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Zf Friedrichshafen Ag patents (2016 archive)


Recent patent applications related to Zf Friedrichshafen Ag. Zf Friedrichshafen Ag is listed as an Agent/Assignee. Note: Zf Friedrichshafen Ag may have other listings under different names/spellings. We're not affiliated with Zf Friedrichshafen Ag, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "Z" | Zf Friedrichshafen Ag-related inventors


Transmission device and method for transmitting an actuating angle of a selector lever for a shifting actuation for a vehicle transmission

A transmission device may be provided for transmitting an angle of activation of a selector lever for a vehicle transmission, where the selector lever can assume a plurality of angles of activation. The transmission device may include a transmission lever, where the transmission lever may be rotatable about a first axis and may be configured to receive the angle of activation of the selector lever. ... Zf Friedrichshafen Ag

Clutch device with a friction transmission element

A clutch device has a friction transmission element which has a base with at least one friction surface, at least one control element for acting on a damping device, and at least one radial support which cooperates with a stop and has a plurality of lugs which extend at least substantially radially in direction toward the stop and which are at least substantially brought closer to the stop up to a gap before the stop when the friction transmission element is stationary, while, at speed, at least a portion of the lugs comes in contact with the stop. The lugs are connected to the base via a bend which causes an axial offset with respect to the base, the bend allows a displacement of the lugs in direction toward the energy accumulators, and the lugs are completely covered by the stop in an axial extension direction.. ... Zf Friedrichshafen Ag

Cable pull with a guide bushing and length compensation, transmission arrangement with a cable pull, and method for assembling a cable pull

A cable pull for transmitting a tensile and/or pressure force to a pivot point is presented. The cable pull has a counter bearing, a tie rod, an adjustment unit and a locking element. ... Zf Friedrichshafen Ag

Transmission, hybrid drivetrain and drivetrain for an electric vehicle

A transmission includes a main gear set, an auxiliary gear set and an electric motor with a rotor and a stator. A third shaft of the main gear set is connected to the transmission output shaft, and a first shaft of the auxiliary gear set is connected to the rotor. ... Zf Friedrichshafen Ag

Protective cover for printed circuit board

A voltage protection for printed circuit boards is provided, which is slotted on one end, such that it has printed circuit board strips, a mount, which is configured to at least partially receive the printed circuit board, and a voltage protection cover, which is configured to be connected to the mount and the printed circuit board, such that a chamber system is formed, in which each printed circuit board strip is disposed inside a chamber, which is formed by the connection between the mount and the voltage protection cover.. . ... Zf Friedrichshafen Ag

Hydraulic system of an automatic transmission with multiple valve devices

A hydraulic system for an automatic transmission a valve slide longitudinally adjustable in a valve housing between a first axial position and a second axial position such that a plurality of valve seat pockets are selectively brought into operative connection with each other. A control surface of the valve slide, first and second additional control surface of the valve slide and a spring of a parking brake valve are matched to one another such that the total actuating force applied to the slide valve displaces the slide valve to the first axial position when an actuating pressure of the parking brake unit, a pressure signal at the control surface of the valve slide and an additional pressure signal at the second additional control surface of the valve slide are applied.. ... Zf Friedrichshafen Ag

Hydraulic control device for an automatic transmission

A hydraulic control device for an automatic transmission for a motor vehicle includes a shiftable throttle valve allocated to one or more shift elements of a plurality of hydraulically actuated shift elements. The shiftable throttle valve hydraulically connects a respective pressure-adjusting device of the one or more shift elements to a respective clutch cylinder of the one or more shift elements. ... Zf Friedrichshafen Ag

Ball joint assembly having friction coated components and methods of assembling a ball joint assembly having defined gaps

A ball joint assembly includes a housing at least partially defining a cavity. A ball stud includes a head portion positioned within the cavity and a shaft extending from the head portion. ... Zf Friedrichshafen Ag

Transmission, hybrid drivetrain and drivetrain for an electric vehicle

A transmission includes a main gear set, an auxiliary gear set and an electric motor with a rotor and a stator. A third shaft of the main gear set is connected to a transmission output shaft, and a first shaft of the auxiliary gear set is connected to the rotor. ... Zf Friedrichshafen Ag

Method for controlling the transfer of torque of a force-fitting shift element

Method for controlling the transfer of torque of a force-fitting shift element (k0), which can be closed by a closing pressure acting on a piston (k), whereas, in order to control the closing pressure, a control valve (v) is configured, depending on a control signal of a control unit (ecu), through the setting of the valve lift (v_s), to transmit the system pressure (p_sys) of a hydraulic circuit (k1) to the piston (k), or to reduce it as needed, whereas, upon the presence of a closing request at the shift element (k0) and a prevailing system pressure (p_sys) of the hydraulic circuit (k1) above a threshold value for the system pressure (p_sys-t), the closing pressure is controlled at least temporarily in a manner different than when it is controlled upon the presence of a closing request at the shift element (k0) and a prevailing system pressure (p_sys) below the threshold value for the system pressure (p_sys-t).. . ... Zf Friedrichshafen Ag

Method and control unit for operating a drivetrain with an automated transmission

Method for operating a drive-train (1) comprising an automated transmission (4) and a drive aggregate (2), wherein the automated transmission (4) provides at least two starting gears for the forward driving direction, and with a transmission-internal or transmission-external starting clutch (5), namely a method for operating such a drive-train (1) during crawling at a crawling speed in the forward driving direction, such that for crawling in a starting gear engaged in the transmission (4) for a forward driving direction and with the starting clutch (5) closed and not slipping, the drive aggregate (2) is operated in a rotational speed regulated manner so that a crawling speed is obtained, which depends on the rotational speed of the drive aggregate (2) and on the gear ratio of the starting gear engaged in the transmission (4), and depending on an actuation of an operating element (8) of a speed regulating unit, at least one appropriate starting gear for crawling is determined and automatically engaged in the transmission (4).. . ... Zf Friedrichshafen Ag

Automatic transmission and a dog clutch for an automatic transmission

A dog clutch for an automatic transmission includes a shape-memory alloy shifter. The shape-memory alloy shifter is configured for moving a sliding clutch along an axial direction between an engaged configuration and a disengaged configuration. ... Zf Friedrichshafen Ag

Automatic transmission and a dog clutch for an automatic transmission

A dog clutch for an automatic transmission is provided. The dog clutch includes a magnet that is mounted to a sliding clutch. ... Zf Friedrichshafen Ag

Automatic transmission and a dog clutch for an automatic transmission

A dog clutch for an automatic transmission includes a mating clutch that defines a plurality of helical splines and a sliding clutch that defines a plurality of helical splines. The helical splines of the sliding clutch mesh with the helical splines of the mating clutch in an engaged configuration. ... Zf Friedrichshafen Ag

12/08/16 / #20160355065

Component attachment with a transverse force-supporting surface

A component connection for a wheel suspension of a motor vehicle, with a control arm having a mounting, in particular a rubber mounting, at least at one of its ends. An inner sleeve and a connection component, in particular a wheel carrier, are fixed to one another by a fixing element. ... Zf Friedrichshafen Ag

12/01/16 / #20160348762

Device for driving at least one output shaft of a rail vehicle and method for operating such a device

A device (1) to drive at least an output shaft (3) of a rail vehicle with a drive engine (4). The at least one output shaft (3) can be brought into an operational connection with a wheel (2), and a transmission assembly (6) is positioned on the drive side of the at least one output shaft (3). ... Zf Friedrichshafen Ag

11/24/16 / #20160341306

Hydraulic control system

A hydraulic control unit for a transmission includes a lower side housing, an upper side housing and an intermediate plate. The lower side housing and the upper side housing form a hydraulic supply channel section, which is connected in the intermediate plate by an aperture. ... Zf Friedrichshafen Ag

11/24/16 / #20160341287

Positive-locking shifting device of a transmission

A positive-locking shifting device of a transmission connects one element of a first planetary gear set to one element of a second planetary gear set in a first shifting position and connects an additional element of the second planetary gear set to a torque-proof element of the transmission in a second shifting position. A single element of the shifting device is axially displacable between the first and second shifting positions. ... Zf Friedrichshafen Ag

11/24/16 / #20160341258

Frictional shifting element for a vehicle transmission

A frictional shift element for a transmission of a motor vehicle, with at least one first frictional element (1) allocated to a first carrier (2) and with at least one second frictional element (3) allocated to a second carrier (4) as a friction partner with overlapping frictional surfaces, is proposed, which can be brought into contact for the transfer of torque, whereas the first or the second frictional element (1, 3) features a friction surface (7) that is designed to be approximately annular, and whereas the other frictional element (1, 3), as a corresponding frictional surface, features at least one frictional surface (5) protruding radially in the overlap area.. . ... Zf Friedrichshafen Ag

11/24/16 / #20160339753

Steerable wheel suspension

A wheel suspension for a motor vehicle, including a wheel carrier (2) for holding a wheel (3), a wheel-guiding control arm (4) for articulating the wheel carrier (2) to a structure, and steering member (23) for steering the wheel (3). For steering the wheel (3), the wheel carrier (2) and the wheel-guiding control arm (4) are articulated to one another in such manner that the wheel carrier (2) can pivot relative to the wheel-guiding control arm (4) about a steering axis. ... Zf Friedrichshafen Ag

11/17/16 / #20160334007

Planetary gear pin with flange that can be bolted to the planetary carrier

A planetary bolt (103) having a flange (109) and at least one through-bore with two open ends. The flange (109) contains the open ends and the flange (109) can be bolted to a planetary carrier (101).. ... Zf Friedrichshafen Ag

11/17/16 / #20160333985

Transmission for a vehicle

A transmission for a motor vehicle includes a drive shaft, an upstream gear set and a main gear set. A shaft of the upstream gear set is configured to make available reduced rotational speed and is a component of a first power path at a first shaft of the main gear set. ... Zf Friedrichshafen Ag

11/10/16 / #20160325736

Transmission control method

A method for operating a drive train of a motor vehicle is provided, the drive train featuring a first drive assembly formed as an internal combustion engine a second drive assembly formed as an electric motor, a start-up element and a transmission). The start-up element features a converter and a lock-up clutch and is connected between the electric motor and the transmission. ... Zf Friedrichshafen Ag

11/03/16 / #20160319932

Device to actuate shifting elements of a transmission

A device for actuating multiple shift elements of a transmission device is described. Each of the pistons for a change in operating state of the shift elements in the area of active surfaces can be subjected to a fluid pressure acting in a first or second actuating direction. ... Zf Friedrichshafen Ag

11/03/16 / #20160319928

Pin seat with slip

An assembly with a planetary carrier (101) and at least a planet pin (107). The planetary carrier (101) has at least a first pin seat and (103) and a second pin seat, and the planet pin (107) can be fixed in the first pin seat (103) by way of a first interference fit and can be fixed in the second pin seat (105) by way of a second interference fit. ... Zf Friedrichshafen Ag

11/03/16 / #20160319916

Transmission, hybrid drive train, and drive train for an electric vehicle

Transmission (g) with a transmission input shaft (gw1) and a transmission output shaft (gw2), a main gear set (hrs), an auxiliary gear set (zrs), and an electric motor (em) with a rotor (r) and a stator (s), whereas the transmission (g) features at least one power path (l1, l2) between the transmission input shaft (gw1) and the main gear set (hrs), whereas the main gear set (hrs) features a first and a second planetary gear set (p1, p2) with a total of four shafts (w1, w2, w3, w4) designated in the order of rotational speeds as the first, second, third and fourth shafts, whereas the at least one power path (l1, l2) is connectable through at least one shift element (a, b, d, e) to at least one of the four shafts (w1, w2, w3, w4) of the main gear set (hrs), whereas the third shaft (w3) of the main gear set (hrs) is connected to the transmission output shaft (gw2), whereas the auxiliary gear set (zrs) features a planetary gear set (p4) with a first, second and third shaft (w1 p4, w2p4, w3p4), whereas the first shaft (w1 p4) of the auxiliary gear set (zrs) is connected to the rotor (r), whereas the second shaft (w2p4) of the auxiliary gear set (zrs) is connectable through a first auxiliary shift element (u) to the first shaft (w1) of the main gear set (hrs) and through a second auxiliary shift element (v) to the third or fourth shaft (w3, w4) of the main gear set (hrs), whereas the third shaft (w3p4) of the auxiliary gear set (zrs) is constantly connected to the second shaft (w2) of the main gear set (hrs), and whereas either the first auxiliary shift element (u) or the second auxiliary shift element (v) is locked.. . ... Zf Friedrichshafen Ag

10/27/16 / #20160313791

Arm band sensor and method for operating an arm band sensor

The present disclosure provides an arm band sensor comprising an arm band with a hand sensor and a transmitter unit. The hand sensor may be configured to acquire a condition and/or a position of the hand in relation to the arm in order to provide a hand signal. ... Zf Friedrichshafen Ag

10/27/16 / #20160313415

Measuring head, measuring system and method for determining a quality of a magnetic block for an energy converter

The present disclosure provides a measuring head for detecting a magnetic field provided by a magnet block having three pole surfaces. The measuring head may have three magnetic conductors for conducting the magnetic field. ... Zf Friedrichshafen Ag

10/27/16 / #20160312859

Multi-stage planetary transmission

A multi-speed transmission in planetary design with a housing is proposed for a vehicle. A first shaft (1) is provided as a drive (an) and a second shaft (2) is provided as an output (ab) that is axially parallel to the drive. ... Zf Friedrichshafen Ag

10/27/16 / #20160311308

Transmission, hybrid drive train, and drive train for an electric vehicle

Transmission (g) with a transmission input shaft (gw1) and a transmission output shaft (gw2), a main gear set (hrs), an auxiliary gear set (zrs), and an electric motor (em) with a rotor (r) and a stator (s), whereas the transmission (g) features at least one power path (l1, l2, l3) between the transmission input shaft (gw1) and the main gear set (hrs), whereas the main gear set (hrs) features a first and a second planetary gear set (p1, p2) with a total of four shafts (w1, w2, w3, w4) designated in the order of rotational speeds as the first, second, third and fourth shafts, whereas the at least one power path (l1, l2, l3) is connectable through at least one shift element (a, b, c, d, e) to at least one of the four shafts (w1, w2, w3, w4) of the main gear set (hrs), whereas the second or the third shaft (w2, w3) of the main gear set (hrs) is connected to the transmission output shaft (gw2), whereas the auxiliary gear set (zrs) features a planetary gear set (p4) with a first, second and third shafts (w1p4, w2p4, w3p4), and whereas the first shaft (w1p4) of the auxiliary gear set (zrs) is connected to the rotor (r), whereas the second shaft (w2p4) of the auxiliary gear set (zrs) is constantly connected to the first shaft (w1) of the main gear set (hrs), and whereas the third shaft (w3p4) of the auxiliary gear set (zrs) is constantly connected to the second, third or fourth shafts (w2, w3, w4) of the main gear set (hrs).. . ... Zf Friedrichshafen Ag

10/20/16 / #20160305541

Printed circuit board for electronically function control for a vehicle

A printed circuit board for electronic function control for a vehicle is created, comprising at least one actuator connection, of which a first part is attached to the printed circuit board and a second part extends away from the printed circuit board, and a connecting element, of which a first part is attached to the printed circuit board and a second part extends away from the printed circuit board, characterized in that the printed circuit board is coated, such that the printed circuit board and the first parts of the at least one actuator connection and the connecting element are protected, such that a seal against external effects acting on the printed circuit board is obtained. Furthermore, a system having a printed circuit board according to the disclosure is created.. ... Zf Friedrichshafen Ag

10/20/16 / #20160304125

Method and device for determining an angle of rotation and/or a rotational speed of a steering shaft

A method of determining an angle of rotation and/or a rotational speed of a motor shaft (110) of a motor (105) which is designed to produce a translational movement of a control element (115, 115a) relative to the motor (105). The method includes a step of reading in a movement signal via an interface with at least one sensor element (120) arranged outside the motor (105) such that the movement signal represents a translational movement of the control element (115) relative to the motor. ... Zf Friedrichshafen Ag

10/13/16 / #20160298721

Tuned mass damper

A tuned mass vibration damper for damping a vibration component of a rotational movement, has at least one guide component part configured to movably guide the damper masses such that the damper masses are offset along a circumferential direction, and a dimensionally stable spacer component part that is rotatable relative to the guide component part and which has a positive engagement connection with clearance with the damper masses that are configured such that, starting from a center position of the damper masses with respect to the spacer component part, when one of the damper masses executes an oscillation which overcomes a clearance in the connections of two of the damper masses with respect to the spacer component part, the spacer component part is rotated along the circumferential direction such that it drives the other damper mass of the two damper masses along the circumferential direction.. . ... Zf Friedrichshafen Ag

10/13/16 / #20160298509

Electric lubricant pump comprising a connectable drive

A device for the supply of lubricant with a lubricant pump (101), which has a driveshaft (103), and a motor (107). The motor (107) is designed to drive the driveshaft (103). ... Zf Friedrichshafen Ag

10/13/16 / #20160297406

Arrangement and method for actuating at least one windshield wiper and/or windshield cleaning system

The invention proposes an arrangement for controlling a windshield wiper system and/or windshield washer system of a vehicle, having at least one sensor for recording ambient parameters, which sensor is connected via a control unit for purposes of controlling with a drive unit of the windshield wiper system and/or windshield washer system. The control unit is connected with a correction request recording actuating element of the windshield wiper system and/or windshield washer system, for providing adaptive control. ... Zf Friedrichshafen Ag

10/06/16 / #20160290459

Power-split continuously variable transmission apparatus having a summing planetary transmission

A power-split, continuously variable transmission device (1) with a summing planetary transmission (9), with at least one additional planetary gear set (10) and with one variator (8), which are in operative connection with each other in the area of shafts (11, 12, 13, 14) and can be coupled to each other by means of shift elements (s1 bis s3) for the presentation of at least three transmission ratio ranges in the area of additional shafts (15, 16, 11, 18, 14), is described. A transmission ratio is continuously variable within the transmission ratio ranges by means of the variator (8). ... Zf Friedrichshafen Ag

10/06/16 / #20160288704

Device for displaying at least one symbol and method for producing a device for displaying at least one symbol

A device for a vehicle for displaying at least one symbol has a translucent plastic layer with a non-translucent coating, wherein a symbol face for a symbol to be displayed by the device is recessed from the non-translucent coating. Furthermore, the device has a non-translucent intermediate component, which is applied outside the symbol face and surrounding the symbol face on the non-translucent coating and which forms a light shaft adjoining the symbol face. ... Zf Friedrichshafen Ag

09/29/16 / #20160286639

Multi-functional high-current circuit board

A multi-functional high current circuit board comprises a current conduction layer having several strata for conduction of electric current, a switching layer comprising at least one power circuit breaker for switching an electric load, a control layer comprising at least one control element to control the at least one power circuit breaker, at least one shielding element for shielding the current conduction layer from the control layer and from the switching layer.. . ... Zf Friedrichshafen Ag

09/29/16 / #20160281831

Gearing device with secondarily coupled power split

A transmission device (1) with secondarily coupled power splitting in which part of an applied torque can be conducted, in a first power branch (3) at least by way of a hydrostatic system (4), and the other part of the torque can be conducted in a second power branch (5) via mechanical system (6), located between a transmission input (7) and a transmission output (8). The hydrostatic system (4) of the first power branch (3) includes at least one pump (12) and at least one motor (13) that is functionally connected to the pump by way of a hydraulic circuit, and both of the pump and motor are adjustable. ... Zf Friedrichshafen Ag

09/29/16 / #20160281794

Clutch device

A coupling device (k) has a first positive-locking clutch (k0), a second positive-locking clutch (k1), an axially fixed first shaft (w1), an axially fixed second shaft (w2), a connecting shaft (wv) and an actuator (ak). The first shaft (w1), the second shaft (w2) and the connecting shaft (wv) are arranged coaxially to each other. ... Zf Friedrichshafen Ag

09/29/16 / #20160281772

Method for manufacture of a chassis module and chassis module manufactured according to such a method

A method of producing a chassis module (1) with a structural component (3) having a through-going aperture (5) into which a ball joint housing (7) is inserted. An outer periphery of the ball joint housing (7) is connected all round to an edge section (9) of the aperture (5) by a first material-cohesive joining (11) without a filler. ... Zf Friedrichshafen Ag

09/29/16 / #20160280226

Selector lever for an automatic transmission or an automated manual transmission of a motor vehicle

The current embodiments provide a selector lever for an automatic or automated manual transmission that is connected to a drive motor of a motor vehicle. The selector lever may be moveable between different positions for engaging positions of the transmission. ... Zf Friedrichshafen Ag

09/29/16 / #20160280056

Device for a drivetrain of a hybrid vehicle, drivetrain and method for operating the same

A device for a drive train of a hybrid vehicle having a planetary gear set which comprises a carrier element, a sun gear element, and a ring gear element. A first element connects to a first input shaft of a first subtransmission of a transmission, and a second element connects to an electric machine of a hybrid drive. ... Zf Friedrichshafen Ag

09/22/16 / #20160273614

Absorber system

A mass damper system with a damper mass support receives a damper mass. A guide track and damper mass are in operative connection with one another by a coupling element movable in the guide track between a central position in which the coupling element is free from deflection in circumferential direction of the guide tracks and a deflection position out of the central position. ... Zf Friedrichshafen Ag

09/22/16 / #20160272241

Drive device for a tracked vehicle

A drive mechanism (10) for a tracked vehicle. The drive mechanism includes an electric drive motor (1) for supplying drive power and an electric steering motor (3) for supplying steering power. ... Zf Friedrichshafen Ag

09/15/16 / #20160265657

Hydraulic control device for an automatic transmission

In an operating state of the automatic transmission in which a transmission stage is engaged and no gearshift occurs, the stop valve (1) is in a first shifting position, in which at least the torque-transferring shift element (k) is sealed tight against the rest of the hydraulic system by means of the allocated stop valve (1), such that the actuating pressure (p_k) enclosed in the shift element (k) remains essentially constant or does not decrease. It is thereby provided that the stop valve (1) is formed and arranged in the hydraulic system in such a manner that it is held in the first shifting position by the force of a barrier pressure (p_s) generated by the pump (p), and, upon a standstill of the pump (p) or falling below a certain value of the pressure generated by the pump (p), the stop valve (1) is automatically displaceable at least through the action of the trapped shift element pressure (p_k) into a second shifting position, in which the respective shift element (k) is connected to the rest of the hydraulic system and the shift element (k) is open.. ... Zf Friedrichshafen Ag

09/15/16 / #20160265649

Cooler for a marine transmission gearbox

A cooler for cooling a marine transmission gearbox by a cooling fluid. The cooler (1) comprises a cooler housing (2) which is made of plastic and a heat sink element (3) which is arranged at least partially inside a cavity (39) of the cooler housing (2) so that the heat sink element (3) is in contact with the cooling fluid, during operation. ... Zf Friedrichshafen Ag

09/08/16 / #20160262280

Fixing device for a circuit plate to a carrier, circuit arrangement and method for fixing a circuit plate to a carrier

The invention relates to a mounting device for fastening a printed circuit board onto a carrier. The mounting device comprises at least one bolt that can be screwed onto the printed circuit board, having at least one fastening wing, wherein the fastening wing has at least one interlocking component. ... Zf Friedrichshafen Ag

09/08/16 / #20160261066

Electric contacting for a circuit plate to a conductor

Electricity bolt for electrical contact of a printed circuit board with an electric conductor, with a basic body, wherein the basic body can be electrically contacted by a first section with the printed circuit board, and by a second section with the electric conductor, wherein the basic body at least in the area of the first section, by which the basic body is electrically conductively contactable with the printed circuit board, is designed as a hollow component, into which for the electrical contact with the printed circuit board a screw is so screwed that the first section is radially outwardly expandable by the screw.. . ... Zf Friedrichshafen Ag

09/08/16 / #20160258530

Method for operating an automatic transmission

A method for operating an automatic transmission is provided. The method includes synchronizing a positive shifting element of the automatic transmission, braking the automatic transmission with a first non-positive shifting element of the automatic transmission, establishing a position of the positive shifting element, and increasing a pressure of fluid supplied to a second non-positive shifting element of the automatic transmission if the position of the positive shifting element is an intermediate position.. ... Zf Friedrichshafen Ag

09/08/16 / #20160258505

Method for fastening a rebound stop to a piston rod of a vibration damper

A method for fastening a rebound stop to a piston rod of a vibration damper positioned at a piston rod and axially supported with a first tool. A second tool component having a press-in surface that presses the tubular portion of the rebound stop into the circumferential groove of the piston rod. ... Zf Friedrichshafen Ag

09/01/16 / #20160254604

Electronic device with connector arrangement

An electronic unit including a plug assembly having at least one plug element comprising a plug base body having numerous plug pins, an assembly carrier printed circuit board, on which at least one electronic component is disposed, and is in electrical contact with at least one conductor path of the assembly carrier printed circuit board, a plug printed circuit board, onto which the plug assembly is attached, and is in electrical contact with at least one conductor path of the plug printed circuit board, and a cohesive cladding element, which seals the plug printed circuit board and at least one section of the assembly carrier printed circuit board against an external environment.. . ... Zf Friedrichshafen Ag

09/01/16 / #20160251079

Actuator for use in aviation

The present embodiments provide an actuator for a rotor blade adjustment having an electromechanical drive unit connected with an output drive via a gearbox. The drive unit may have at least two partial drives that can be operated independently from one another. ... Zf Friedrichshafen Ag

09/01/16 / #20160251031

Auxiliary frame with crossmember and suspension leg turret

A subframe that can be fitted onto a vehicle body. The subframe comprises an axle support beam (101) and at least one suspension strut turret (105). ... Zf Friedrichshafen Ag

08/25/16 / #20160245402

Shift-by-wire activation device and method for selecting driving positions

The present disclosure relates to a shift-by-wire actuator and a method for selecting drive positions of a motor vehicle transmission. The actuator comprises an actuating field, in which a scrolling surface for selecting one of the drive positions, and a release button, which transmits a release signal based on an actuation, are disposed. ... Zf Friedrichshafen Ag

08/25/16 / #20160245394

Coupling element for a shifting carriage, shifting carriage, and method for mounting a gear selection lever on a shifting carriage

The current embodiments provide a coupling element for a shift lever for a vehicle transmission. The coupling element may include a passage for receiving a section of the shift lever and a ring with a bore configured to receive the section of the shift lever. ... Zf Friedrichshafen Ag

08/25/16 / #20160245370

Multi-speed automatic transmission

An automatic transmission has eight rotatable shafts (1 to 8), four planetary gear sets (rs1 to rs4), and seven shift elements (b1, b2, b3, c1, c2, c3, c4) for shifting several forward gears and one reverse gear. The first shaft (1) is the drive shaft (an) of the transmission. ... Zf Friedrichshafen Ag

08/25/16 / #20160245342

Mounting device for a rolling element bearing having no outer race

A device for introducing at least one roller bearing without any outer race into a gearwheel. The device has a supporting element, a member that is fixed on the supporting element for attaching the supporting element to a crane, at least two fixing elements which are fixed onto the supporting element and can be moved together and apart radially relative to a reference axis. ... Zf Friedrichshafen Ag

08/25/16 / #20160244062

Method and device for anticipatory or predictive economical running of a motor vehicle including a determination of a route and a probable driving time and time of arrival

A method for anticipatory or predictive operation of a motor vehicle having a drive control system by which drive-relevant components of the drive-train are adjusted, and a detection system by which a travel route and anticipated driving time to a specified destination as well as the current position of the vehicle are determined. By way of the detection system and based on topographical information, a driving resistance profile of the route is prepared, to parameterize the drive control system such that the route is driven in a specifiable manner. ... Zf Friedrichshafen Ag

08/25/16 / #20160243911

Method for producing a suspension arm and multi-point suspension arm for a motor vehicle

A multi-point suspension arm for a chassis of a motor vehicle, which has two articulation points (a, b) on the vehicle side and an articulation point (c) on the wheel side for a supporting link (4). The multi-point suspension arm is made as a sheet-metal component. ... Zf Friedrichshafen Ag

08/25/16 / #20160243754

Device and method for hot-rivetting with a plastic rivet and hot-rivetted plastic rivet

The present embodiments are related to a device for hot riveting by using a stud. The device may have a docking surface for the docking against a workpiece and a recess section for the shaping of a sealing head of the plastic stud. ... Zf Friedrichshafen Ag

08/18/16 / #20160238123

Torsional vibration damping arrangement in a powertrain of a vehicle

Torsional vibration damper arrangement in a housing with a drive-side transmission element, an output-side transmission element, and a planetary gear unit arranged there between having a sun gear, an arm supporting a planet gear, and a ring gear with an energy storage and damping element acting at the planetary gear unit. To increase the damping capacity and to accommodate a large energy storage volume and minimize friction effects due to centrifugal accelerations, one of the planetary gear unit members, the sun gear or the arm or the ring gear, can be coupled to the housing via the energy storage and damping element. ... Zf Friedrichshafen Ag

08/18/16 / #20160238064

Ball joint with a loading-optimized ball shell

A ball joint, in particular for a wheel suspension of a motor vehicle, with a housing. A joint ball is arranged inside the housing and a ball shell is arranged therebetween. ... Zf Friedrichshafen Ag

08/11/16 / #20160230880

Hydraulic control device for an automatic transmission

A hydraulic control device (101) for controlling multiple torque-transferring shift elements (k_a, k_b, k_c) of an automatic transmission, whereas each of the shift elements features at least one hydraulic actuator (4a, 4b, 4c), which includes one actuating pressure chamber (7a, 7b, 7c), features at least one stop valve (110) and at least one hydraulic shift device (8) with multiple pressure adjusting devices (23a, 23b, 23c) allocated to the different shift elements. Thereby, the stop valve is formed and arranged in such a manner that the actuators of at least two shift elements are hydraulically connectable to the pressure adjusting devices through a common stop valve, whereas, in a first shifting position of the stop valve, all actuating pressure chambers of the at least two shift elements are tightly sealed by the stop valve. ... Zf Friedrichshafen Ag

08/11/16 / #20160230849

Multi-step automatic gearbox

The invention relates to a multi-speed automatic transmission in planetary design with one drive shaft (an), one output shaft (ab), four planetary gear sets (rs1, rs2, rs3, rs4) and several shift elements (a to f). A first clutch shaft (3) constantly connects the first planetary gear set (rs1) to the fourth planetary gear set (rs4), a second clutch shaft (5) constantly connects the second planetary gear set (rs2) to the third planetary gear set (rs3), a third clutch shaft (6) constantly connects the third planetary gear set (rs3) to the first planetary gear set (rs1). ... Zf Friedrichshafen Ag

08/11/16 / #20160229462

Method for producing a joint connection between a joint housing and a connection component and suspension component and chassis produced according to the method

A method for producing a joining connection between a joint housing and at least one connection component including: providing a blank for the fabrication of the joint housing, and providing a connection component with a joint receptacle inserting the blank into the joint receptacle of the connection component and producing the joint housing through forming by cold extrusion of the inserted blank. An undercut positive-engagement joining connection is generated between the joint housing and the connection component during the cold extrusion process through transverse extrusion and/or upsetting. ... Zf Friedrichshafen Ag

08/04/16 / #20160223359

Sine wave oscillator and inductive sensors

A sine wave oscillator for an inductive sensor system is disclosed. The sine wave oscillator comprises a decoupler and a low-pass filter, wherein the decoupler is configured to provide a pulse width modulated signal as a decoupled signal at one output of the decoupler. ... Zf Friedrichshafen Ag

08/04/16 / #20160223055

Multi-stage automatic transmission

An automatic transmission has eight rotatable shafts, four planetary gear sets and seven shift elements for shifting several forward gears and one reverse gear. A first element of the second planetary gear set forms the first shaft designed as the drive shaft of the transmission. ... Zf Friedrichshafen Ag

07/28/16 / #20160218599

Device for power control for a rotating field machine

A power control for an inductive machine comprises a printed circuit board having an electronic control element for controlling a current through the inductive machine, an electrical connection of the printed circuit board, a cooling element, connected in a thermally conductive manner to the control element, and a choke at the electrical connection for suppressing interference emissions. The choke is connected thereby to the cooling element in a thermally conductive manner.. ... Zf Friedrichshafen Ag

07/28/16 / #20160217897

Magnetic device for locking a gear selector lever of a vehicle in a predetermined position, method for producing a magnetic device, and method for operating a magnetic device

The present disclosure creates a magnetic device for locking a gear shift lever of a vehicle in a predetermined position, wherein the magnetic device has a coil, a tie component, which is or can be movably supported in the coil, and a spring, which is disposed outside the coil, wherein the spring is designed to push the tie component out of the coil.. . ... Zf Friedrichshafen Ag

07/28/16 / #20160215847

Valve for a vibration damper, vibration damper, and motor vehicle

Valve for a vibration damper having a valve housing and a valve slide movable in the valve housing to at least partially close at least one flow path of a fluid flowing through the valve. The valve has an input side and an output side. ... Zf Friedrichshafen Ag

07/28/16 / #20160214615

Method and control unit for a drivetrain

A method provides for operating a drive train having several drive assemblies, a transmission and an output a first drive assembly acts on a first transmission shaft of the transmission, and a second drive assembly acts on a second transmission shaft. The transmission includes several shift elements, whereas an output torque depending on a driver's requested torque is provided at the output. ... Zf Friedrichshafen Ag

07/21/16 / #20160212882

Control electronics

A control electronics having at least one printed circuit board with electronic components is proposed, wherein at least one cooling element is assigned to the printed circuit board. The cooling element and the printed circuit board are coated with a coating material to form a media-tight unit, and the side of the cooling element facing toward the printed circuit board has at least one recess for receiving at least one electronic component of the printed circuit board that is to be protected prior to the coating thereof.. ... Zf Friedrichshafen Ag

07/21/16 / #20160212835

Device for dissipating heat from at least one electronic component

The current embodiments provide an assembly for cooling a printed circuit board with at least one electronic component disposed on a first surface of the printed circuit board. The assembly may have a housing with first and second elastic elements and a cooling element configured to cool the at least one electronic component. ... Zf Friedrichshafen Ag

07/21/16 / #20160211789

Control of a rotating field machine

The current embodiments provide a method for controlling an induction machine with a plurality of phases. Each phase may include a plurality of parallel windings and each phase may be associated with a half-bridge. ... Zf Friedrichshafen Ag

07/21/16 / #20160211727

Motor assembly

A motor assembly is proposed, having a motor disposed in a housing, with an electronics system and a cooling element, wherein the cooling element and the electronics system are coated with a coating material to form a media-tight unit, and wherein the media-tight unit is attached to the housing of the motor at the cooling element side.. . ... Zf Friedrichshafen Ag

07/21/16 / #20160208887

Absorber system

A mass damper system includes a damper mass carrier having movable damper mass and a stop. The damper mass moves within a predetermined movement region during an operating state. ... Zf Friedrichshafen Ag

07/21/16 / #20160208886

Vibration absorber system

A mass damper system is provided with a damper mass carrier with at least one damper mass movable relative to the damper mass carrier and at least one stop. The damper mass moves within a predetermined movement region when a rotational movement of the damper mass carrier exceeds a predetermined limit speed. ... Zf Friedrichshafen Ag

07/21/16 / #20160207370

Bearing mechanism for a transverse leaf spring, mountable in the area of a vehicle axle

A bearing mechanism for a transverse leaf spring can be fitted in the area of a vehicle axle and has a holding device for holding the transverse leaf spring and a connecting device via for connecting the holding device to the vehicle. The holding and connecting devices and the transverse spring are designed such that when the transverse spring is in its installed position a cross-sectional plane of the transverse spring, that extends in the vertical and longitudinal directions of the vehicle, can pivot in the area of the mounting fixture during jouncing and rebound of the transverse spring, about a rotational axis that extends in the longitudinal direction. ... Zf Friedrichshafen Ag

07/14/16 / #20160204958

Multiple device telemetry network

A telemetry network may be a communication network that comprises a plurality of telemetry devices. The plurality of telemetry devices may comprise a parent device and at least one child device. ... Zf Friedrichshafen Ag

07/14/16 / #20160201767

Multi-stage planetary vehicle transmission

A multi-speed transmission in planetary design for a vehicle with a transmission housing (10) is proposed, whereas a first shaft 1 (1) is provided as a drive (an) and a second shaft (2) is provided as an output (ab), whereas at least five planetary gear sets (rs1, rs2, rs3, rs4, rs5) and at least seven additional shafts (3, 4, 5, 6, 7, 8, 9) are provided. In accordance with the invention, it is provided that five shift elements (se1, se2, se3, se4, se5) are provided, through the actuation of which as gear steps, at least nine forward gears (g1, g2, g3, g4, g5, g6, g7, g8, g9) and at least one reverse gear (r) can be realized, whereas, for the realization of each gear step, at least three of the shift elements (se1, se2, se3, se4, se5) are closed.. ... Zf Friedrichshafen Ag

07/14/16 / #20160201764

Multi-stage planetary transmission

A planetary multi-speed transmission for a vehicle with a housing is proposed. A first shaft is provided as a drive (an) and a second shaft is provided as an output (ab) and is arranged axially parallel to the drive. ... Zf Friedrichshafen Ag

07/07/16 / #20160193892

Electromechanical actuating drive

An electric roll control stabilizer for a vehicle, having an outer housing that rotates about a longitudinal axis, a wiring harness has at least one electric supply lead and/or electric control lead is connected at its first end to a first connection terminal provided on the outer housing and at its second end to a second fixed in position connection terminal. In an area of the first terminal, the harness extends tangential to or concentrical with an outer enveloping surface of the outer housing or a cylindrical structural element which is attached rotationally fixed and whose outer diameter is smaller than the diameter of the outer housing. ... Zf Friedrichshafen Ag

07/07/16 / #20160193891

Stabilizer for a motor vehicle and method for producing the same

A method of producing a stabilizer (10) of a motor vehicle, such that the stabilizer includes a torsion bar (11) and longitudinal links (12, 13). The longitudinal links (12, 13) are in each case connected to the torsion bar (11) by welding, and the longitudinal links (12, 13) and the torsion bar (11) are heat-treated before welding. ... Zf Friedrichshafen Ag

06/16/16 / #20160174105

Method and device for transmitting data and method and device for transmitting an identification signal

In a method for transmitting data from a transmitting station by means of a data transmission channels the data are transmitted in response to an identification signal which represents the information about a free data transmission capacity of the data transmission channel.. . ... Zf Friedrichshafen Ag

06/16/16 / #20160172971

Circuitry and method for regulating a current for an electromechanical load

A circuitry for regulating a current for an electromechanical load comprises a first connection and a second connection for the electromechanical load. The first connection can be coupled to a first supply potential thereby, and a potential of the second connection can be modified by means of a pulse width modulation. ... Zf Friedrichshafen Ag

06/16/16 / #20160172267

Circuit device and method of manufacturing a circuit device for controlling a transmission of a vehicle

A circuit device for controlling a transmission of a vehicle comprises an integrated circuit, which is mounted with a first surface on a first support surface of a circuit substrate and on a second surface opposite to the first surface comprises a heat-conducting surface for dissipating heat from the integrated circuit, in particular wherein the heat-conducting surface is designed as a contacting surface for contacting a heat sink.. . ... Zf Friedrichshafen Ag

06/16/16 / #20160169381

Hydraulic actuating device for a positive-locking shifing element of a transmission

A hydraulic actuating device is provided for a positive-locking shifting element of a transmission with a cylinder, in which a piston is arranged in a manner displaceable between a first end position and a second end position. The piston is a stepped piston and, with the cylinder, bounds an additional pressure chamber, which is connected to a first pressure chamber and/or a second pressure chamber through at least one hydraulic line. ... Zf Friedrichshafen Ag

06/16/16 / #20160169379

Method and control device for operating an automatic transmission

A method for operating an automatic transmission includes shifting the automatic transmission to a substitute gear if, after adjusting a first one of at least one positive-locking shift element towards a closed configuration, the first one of the at least one positive-locking shift element occupies an intermediate position. The first one of the at least one positive-locking shift element does not participate in the transmission of power in the substitute gear. ... Zf Friedrichshafen Ag

06/16/16 / #20160169378

Method and control device for operating an automatic transmission

A method for operating an automatic transmission includes determining at least one of an elapsed time from adjusting a first one of at least one positive-locking shift element towards a closed configuration or a differential speed rotation of the first one of the at least one positive-locking shift element and shifting the automatic transmission to a substitute gear if the elapsed time from adjusting the first one of the at least one positive-locking shift element towards the closed configuration reaches or exceeds a time limit and/or the differential speed rotation of the first one of the at least one positive-locking shift element reaches or exceeds a rotational speed limit. A related transmission control device for an automatic transmission is also provided.. ... Zf Friedrichshafen Ag

06/16/16 / #20160169321

Torsional vibration damper assembly with pre-tensioning

A torsional vibration damping arrangement particularly for the drivetrain of a vehicle, having a carrier arrangement which is rotatable around an axis of rotation, a deflection mass which is movable in circumferential direction relative to the carrier arrangement. The carrier arrangement and the deflection mass are coupled so as to be rotatable relative to one another via a plurality of radially extending, flexible restoring elements which are arranged in circumferential direction. ... Zf Friedrichshafen Ag

06/16/16 / #20160167664

Method for operating a motor vehicle with a dual clutch transmission and control unit for carrying out the method

A method for operating a dual-clutch transmission of a vehicle having partial transmissions with respective transmission input shafts. Two friction clutches can couple a corresponding input shaft of the partial transmissions to a drive shaft. ... Zf Friedrichshafen Ag

06/16/16 / #20160167658

Method for operating a motor vehicle with a dual clutch transmission and control unit for carrying out the method

A method of operating a dual-clutch transmission of a vehicle having partial transmissions with respective transmission input shafts. Two friction clutches can couple a corresponding input shaft of the partial transmissions to a drive shaft. ... Zf Friedrichshafen Ag

06/09/16 / #20160164366

Electric machine

Electric machine having a rotor and a stator with stator coils arranged thereon, a wiring arrangement with a conductor support element and with connection conductors arranged at the latter, which connection conductors are connected to winding ends of the stator coils inside a wiring area. The wiring area is filled with an insulating potting material. ... Zf Friedrichshafen Ag

06/09/16 / #20160160957

Rotary vibration damping arrangement for the drivetrain of a motor vehicle

A torsional vibration damping arrangement for the drivetrain of a motor vehicle having an input region driven in rotation around a first rotational axis (a) and an output region; a first torque transmission path proceeding from the input region to the output region; a second torque transmission path proceeding from the input region to the output region; and a coupling arrangement connected to the output region for superposing the torques guided via the torque transmission paths. The coupling arrangement includes a planetary gear set with a planet gear rotatable around a second rotational axis (b). ... Zf Friedrichshafen Ag

06/09/16 / #20160159227

Wireless charging device for charging a battery of a vehicle

The invention relates to a vehicle having a battery and a vehicle coil for wireless receiving a charging current for the battery, wherein the vehicle coil is integrated into the base plate of a transmission oil pan.. . ... Zf Friedrichshafen Ag

06/02/16 / #20160153551

Hydraulic control arrangement for an automatic transmission

A hydraulic control device for an automatic transmission featuring at least one valve device (1), the valve device (1) comprising a switching valve (10), featuring a switching component (11) and a check valve (20), whereas the switching valve (10) is formed in a housing (30) and is hydraulically connected to a first pressure adjusting device (hcu) and a second pressure adjusting device (eds) along with a shift element (k) for transferring a certain torque, whereas the switching valve (10) is formed as a directional seat valve.. . ... Zf Friedrichshafen Ag

05/26/16 / #20160150662

Electrical circuit and method for producing an electrical circuit for activating a load

The current embodiments provide an electrical circuit for controlling an electric motor for a vehicle. The electrical circuit may have a circuit board with a first surface and a second surface opposite the first surface, an intermediate circuit capacitor arranged on the first surface, and a power semiconductor arranged on the second surface and electrically connected with the intermediate circuit capacitor for providing electrical energy to the electric motor. ... Zf Friedrichshafen Ag

05/26/16 / #20160148764

Switching device for a radio pushbutton, radio pushbutton, and method for producing a switching signal of a switching device

The current embodiments provide a switch device for a wireless pushbutton, wherein the switch device comprising an energy conversion mechanism, a signal output mechanism, an actuation device, and a plurality of encoding contacts. The actuation device may be configured to establish contact with at least one of the plurality of encoding contacts when a first quantity of an actuation force is applied for generating an encoded signal. ... Zf Friedrichshafen Ag

05/26/16 / #20160144840

Method and device for generating an emergency braking signal for a vehicle and method for initiating a vehicle emergency braking procedure

A method for generating an emergency braking signal for a vehicle is proposed. The vehicle has a main brake system and a drive system thereby. ... Zf Friedrichshafen Ag

05/19/16 / #20160141775

Plug assembly

A plug assembly having at least one plug element comprising a plug base body having numerous plug pins, wherein the side of the plug base body facing away from the plug pins is oriented toward a sealing space. The plug pins face a surrounding space. ... Zf Friedrichshafen Ag

05/19/16 / #20160139197

Circuit, sensor and method for determining an oscillation behavior

A circuitry comprises at least one oscillating circuit section, wherein the circuit section comprises a circuit component, which can be affected by the external influence such that an oscillation behavior of the circuit section can be altered by the external influence. The circuitry is furthermore designed thereby to determine the oscillation behavior of the circuit section by a sampling at numerous defined frequencies. ... Zf Friedrichshafen Ag

05/19/16 / #20160137063

Actuating device and method for selecting shift stages of a vehicle transmission with shift-by-wire actuation

The present invention relates to an actuating device for selecting shift stages of a vehicle transmission with shift-by-wire actuation. The actuating device has a touch screen having at least one display section for displaying a selectable shift stage and a contact section to select the displayed shift stage. ... Zf Friedrichshafen Ag

05/12/16 / #20160133403

Key tappet for a key module of a key for a keyboard, key module of a key for a keyboard and method for producing it

The invention proposes a key tappet for a key module of a key for a keyboard. The key tappet comprises a coupling section for coupling a key button and a guiding section for guiding the key tappet in a receiving section of the key module upon actuation of the key tappet. ... Zf Friedrichshafen Ag

05/12/16 / #20160131684

Method for determining a reference value of an actuating current

A method is described for determining a reference value of an actuating current that corresponds to a defined operating point of an electro-hydraulically actuated frictional shifting element of a continuously variable power-branched transmission, at which the shifting element transmission capacity is zero, and starting from which an increase of actuating force immediately increases the transmission capacity. The actuating current reference value of the shifting element, when closed with a further shifting element decoupled from the transmission output and when a transmission input rotational speed is higher than a defined threshold, is reduced until a rotational speed difference between the rotational speeds of the shifting element halves exceeds a predefined limit value such that, at the time when the limit value is exceeded, the reference value of the actuating current is the reference value of the actuating current that corresponds to the defined operating point of the shifting element.. ... Zf Friedrichshafen Ag

05/12/16 / #20160131249

Method for determining the drainage control of a hydraulic switching element of a transmission

A method for determining a draining behavior of a hydraulically actuated transmission shifting element. By applying actuating pressure, the shifting element is changed from a completely drained, open operating condition to a completely filled closed operating condition, and the reference filling time, until the closed condition has been reached, is determined. ... Zf Friedrichshafen Ag

05/12/16 / #20160131227

Multi-stage planetary transmission

A planetary multi-speed transmission for a vehicle with a housing is proposed. A first shaft is provided as a drive and a second shaft is provided as an output that is axially parallel to the drive. ... Zf Friedrichshafen Ag

05/12/16 / #20160131226

Multi-stage planetary transmission

A planetary multi-speed transmission for a vehicle with a housing is proposed. A first shaft is provided as a drive (an) and a second shaft is provided as an output (ab) that is axially parallel to the drive. ... Zf Friedrichshafen Ag

05/12/16 / #20160131225

Dual clutch transmission for a motor vehicle

A dual-clutch transmission has first and second coaxial input shafts, the second shaft extending through the first shaft. The input shafts couple respective countershafts via input constants which have drive input and output wheels. ... Zf Friedrichshafen Ag

05/12/16 / #20160131224

Dual clutch transmission for a motor vehicle

A dual-clutch transmission has first and second coaxial input shafts, with the second shaft extending through the first shaft. The input shafts can couple respective countershafts via input constants. ... Zf Friedrichshafen Ag

05/12/16 / #20160131220

Tuned mass damper

A tuned mass vibration damper included at least one damper mass and at least one guide component part to movably guide the at least one damper mass. The damper mass has a retaining component part which is at least partially arranged in a receiving recess of the damper mass. ... Zf Friedrichshafen Ag

05/12/16 / #20160129982

Boat drive

A boat drive including combustion engine located within the hull and a drive unit located outside the hull. The drive has a propeller shaft and an exhaust system with an exhaust duct and an outlet. ... Zf Friedrichshafen Ag

05/05/16 / #20160121708

Hybrid drive assembly

A hybrid drive assembly of a motor vehicle having a main transmission (2) with a transmission input shaft (4) and a transmission housing, an electric machine (5) which has a rotor (5b) and can be operated as a motor and as a generator and which is arranged on the input side relative to the main transmission (2) and a planetary gear system (6) which has a sun gear (7), a carrier (8) and a ring gear (9). The planetary gear system (6) is connected, on the one hand, by way of the sun gear (7) to the rotor (5) and, on the other hand, to the transmission input shaft (4, 24), in a rotationally fixed manner, via the carrier (8). ... Zf Friedrichshafen Ag

04/28/16 / #20160116054

Hybrid driveline for a motor vehicle

A hybrid drive assembly for a motor vehicle, with a main transmission (4) and an electric machine (10) arranged in a hybrid module (6). The electric machine has a rotor (14) that rotates within a rotational space (38). ... Zf Friedrichshafen Ag

04/07/16 / #20160097442

Transmission device with secondarily coupled power split

A transmission device with secondarily coupled power splitting, having hydrostatic and mechanical branches which can be summed by a summing gear system provided in the area of a central transmission shaft. At least two transmission ratio ranges, in the forward and reverse driving directions, can be obtained such that within the transmission ratio ranges the transmission ratio can, in each case, be varied continuously by a hydrostatic variator in the area of the hydrostatic branch. ... Zf Friedrichshafen Ag

04/07/16 / #20160096520

Method and control unit for operating a drive train

Method for operating a drive train, which features several drive units (1, 2), one transmission (3) and one output (4), whereas a first drive unit (1) acts on a first transmission shaft (6) of the transmission (3), whereas a second drive unit (2) acts on a second transmission shaft (7) of the transmission (3), whereas the transmission (3) comprises several shift elements (9), whereas, at the output (4), an output torque that depends on the torque required by the driver is provided, and whereas, for the opening of a shift element (9) of the transmission (3), the shift element (9) to be opened is positioned in a load-free manner. For the load-free positioning of the shift element (9) to be opened, target torques are calculated for the first drive unit (1) and the second drive unit (2), by means of which, while maintaining the torque required by the driver at the output, the shift element (9) to be opened can be positioned in a load-free manner, whereas there is an examination of whether at least one of such target torques violates the torque limit of the respective drive unit (1, 2), whereas, if it is then determined that neither of the target torques violates a torque limit of the respective drive unit (1, 2), the first and second drive unit (1, 2) is guided in a torque-controlled manner to the respective target torque while maintaining the torque required by the driver at the output (4), whereas, if it is then determined that at least one of the target torques violates a torque limit of the respective drive unit (1, 2), the shift element (9) to be opened is positioned in a load-free manner while providing an output torque that deviates from the torque required by the driver.. ... Zf Friedrichshafen Ag

03/31/16 / #20160091030

Clutch for an automatic transmission

A clutch for an automatic transmission for a motor vehicle includes a clutch housing and a retaining ring. In an inner circumferential surface of the clutch housing concentrically at a central axis (m) of the cylinder jacket-shaped inner circumferential surface, a ring groove that is open radially inward is formed, within which the retaining ring is arranged. ... Zf Friedrichshafen Ag

03/31/16 / #20160091001

Method for determining a control force of an actuator

A method for determining an operating force (fp) of a positioning actuator (3), whose adjustment movements are produced by virtue of an appropriate supply of a working medium via actuating at least one valve (4 to 7) associated with the positioning actuator (3). The operating force (fp) is determined by computational determination. ... Zf Friedrichshafen Ag

03/24/16 / #20160084897

Method and circuit for assessing pulse-width-modulated signals

A method of assessing a pulse-width-modulated signal in which the pulse-width-modulated signal to be assessed is applied to a first input of a microcontroller and a signal, that depends on the pulse-width-modulated signal being assessed, is applied to a second input of the microcontroller for assessment. The pulse-width-modulated signal being assessed is applied to a voltage divider to produce the signal that depends on the same. ... Zf Friedrichshafen Ag

03/24/16 / #20160084356

Transmission for a motor vehicle

A multi-speed transmission is provided for a motor vehicle and includes a housing, a drive shaft, an output shaft, at least four planetary gear sets, whereas each of the planetary gear sets comprises one sun gear, at least one planet, one planetary carrier and one ring gear. The transmission includes several shift elements in the form of at least four clutches and at least two brakes. ... Zf Friedrichshafen Ag

03/24/16 / #20160084353

Multi-speed gearbox

The multi-stage transmission comprises four planetary gear sets, eight rotatable shafts and six shift elements. Sun of first set is connected to fifth shaft which is couplable, via third brake, to housing. ... Zf Friedrichshafen Ag

03/24/16 / #20160084352

Powershift reversing gearbox

A powershiftable reversing transmission for a vehicle with a drive engine arranged off-center and a telescopically extendable lifting arm. The reversing transmission has a shaft (4) for forward driving and a shaft (5) for reverse driving, with a clutch (9) for forward driving and a clutch (10) for reverse driving. ... Zf Friedrichshafen Ag

03/24/16 / #20160082835

Drive train for a vehicle

A drive-train which comprises a drive engine that can be fitted in the longitudinal direction of the vehicle, between the driving wheels, with a drive output shaft connected to a drive input shaft of a transfer case. The drive output shaft of the transfer case is connected to a drive input shaft of a gearshift transmission, whose drive output can be brought into connection with vehicle wheels. ... Zf Friedrichshafen Ag

03/10/16 / #20160069709

Magnetic field sensor apparatus, operating apparatus and method for determining a relative position

A magnetic field sensor apparatus (101) has a generator device which comprises at least two parts and which has at least two magnets (106, 108) for generating at least two magnetic fields (332, 334) and a detection device for detecting the magnetic fields (332, 334). The magnets (106, 108) of the generator device are arranged so as to be movable relative to one another and with respect to the detection device. ... Zf Friedrichshafen Ag

03/03/16 / #20160061304

Vehicle gearbox

A vehicle transmission with a drive shaft (aw), two transmission input shafts (ge1, ge2), at least one decoupling element (k2, x1), which is assigned to the second transmission input shaft (ge2), a main shaft (hw), an output shaft (av) and at least three planetary gear sets (pg1, pg2, pg3). A respective subtransmission (tg1, tg2) is assigned to each of the transmission input shafts (ge1, ge2). ... Zf Friedrichshafen Ag

03/03/16 / #20160061298

Transmission for a motor vehicle

A multi-speed transmission for a motor vehicle includes a housing, a drive shaft, an output shaft, at least four planetary gear sets, whereas each of the planetary gear sets comprises one sun gear, at least one planet, one planetary carrier and one ring gear, along with several shift elements in the form of at least four clutches and at least two brakes. The sun gear of the fourth planetary gear set is connected to the housing. ... Zf Friedrichshafen Ag

03/03/16 / #20160061294

Double clutch transmission

A dual-clutch transmission having first and second clutches which selectively engage to couple a drive shaft with a respective first and second input shaft. The input shafts are coaxially aligned with the first input shaft extending through the second input shaft. ... Zf Friedrichshafen Ag

03/03/16 / #20160059651

Control arm and a method for forming the same

A method for forming a control arm is provided. The method includes providing an insert and a mold and also includes overcasting the insert within a metal in the mold. ... Zf Friedrichshafen Ag

02/25/16 / #20160055988

A key module for a key of a keyboard and a method for manufacturing a key module for a key of a keyboard

. . . . The invention proposes a key module for a key of a keyboard. The key module includes a module base, a module cover that can be coupled with the module base and a key tappet for coupling a keycap that is translucent in at least one symbol section. ... Zf Friedrichshafen Ag

02/25/16 / #20160053886

Valve for locking and releasing a hydraulically actuated shifting element

A stop valve assembly is provided for the locking and unlocking of at least one hydraulic chamber of a shift element that is applied with operating pressure and is coaxially arranged at a shaft in a transmission housing of an automatic transmission of a motor vehicle. At least one first stop valve for lowering the operating pressure of the shift element and at least one second stop valve for raising the operating pressure of the shift element are provided.. ... Zf Friedrichshafen Ag

02/25/16 / #20160053869

Transmission for a motor vehicle

Transmission, in particular a multi-speed transmission for a motor vehicle, comprising a housing, a drive shaft, an output shaft, at least four planetary gear sets, whereas each of the planetary gear sets comprises one sun gear, one planet, one planetary carrier and one ring gear, along with several shift elements in the form of at least four clutches and at least two brakes, whereas the drive shaft is connectable through the second clutch to the planetary carrier of the third planetary gear set and to the planetary carrier of the fourth planetary gear set, whereas the first brake is connected to the ring gear of the first planetary gear set and to the planetary carrier of the second planetary gear set, whereas the second brake is connected to the sun gear of the first planetary gear set, and whereas the planetary carrier of the first planetary gear set is connected to the sun gear of the fourth planetary gear set.. . ... Zf Friedrichshafen Ag

02/25/16 / #20160053868

Transmission for a motor vehicle

The invention relates to a transmission, in particular a multi-clutch transmission for a motor vehicle, comprising the elements of drive shaft, several planetary gear sets, whereas one planetary gear set comprises the planetary elements of a sun gear, one or more planetary gears, one bar and one ring gear, n shift elements, comprising several clutches, whereas n is a whole number greater than four, and an output shaft, whereas, by means of at least one of the n shift elements, the drive shaft is connectable to the output shaft for the presentation of various gears by means of at least one of the planetary transmissions, whereas the n shift elements comprise at least m brakes and n−m clutches, whereas m is a whole number greater than or equal to one, and whereas at least (n−m)/2 clutches work together with the drive shaft and/or the output shaft.. . ... Zf Friedrichshafen Ag

02/25/16 / #20160053865

Multi-stage planetary gear mechanism

A multi-speed planetary transmission, in particular an automatic transmission for a motor vehicle, comprising a housing (3) featuring a housing longitudinal axis (2), a drive shaft (10) connectable to a drive train for transferring a drive torque from the drive train to the multi-speed planetary transmission (1), a drive shaft (11) connectable to a drive train for transferring a drive torque from the multi-speed planetary transmission (1) to the drive train, four single planetary transmissions (12, 13, 14, 15) arranged along the housing longitudinal axis (2), the planetary gear (21, 25, 29, 33) featuring, in each case, one sun gear (18, 22, 26, 30), one ring gear (19, 23, 27, 31) and at least one bar (20, 24, 28, 32), sixth shift elements arranged within the housing (3), which are designed as four clutch elements (4, 5, 6, 7) and two brakes (8, 9), and connecting shafts (34, 35, 36, 37, 38, 39, 40, 41, 44) for connections between the single planetary transmissions (12, 13, 14, 15), the drive shaft (10), the output shaft (11), the clutch elements (4, 5, 6, 7) and/or the brakes (8, 9), the single planetary transmissions (12, 13, 14, 15) are shiftable by means of the shift elements (4, 5, 6, 7, 8, 9) in such a manner that different transmission ratios (i) take effect between the drive shaft (10) and the output shaft (11), such that the multi-speed planetary transmission (1) features nine forward gears (g1, g2, g3, g4, g4a, g4b, g4c, g5, g6, g7, g8, g9) and one reverse gear (r), and the shift elements (4, 5, 6, 7, 8, 9) are arranged in a manner easily accessible from outside the housing (3).. . ... Zf Friedrichshafen Ag

02/25/16 / #20160053821

Claw-type coupling with radially displaceable fingers

A coupling with a first coupling half (202) and a second coupling half (102, 302, 402). The first coupling half (202) is designed to be rotationally fixedly connected with a first shaft. ... Zf Friedrichshafen Ag

02/25/16 / #20160052381

Method for operating a drive unit for a hybrid vehicle

Method for operating a drive unit for a hybrid vehicle, whereas the drive unit comprises a drive assembly (3) with an internal combustion engine (1) and an electric motor (2) and a transmission (5) featuring several sub-transmissions (6, 7) shifting between the drive assembly (3) and an output (4), whereas, through a planetary transmission (10), the electric motor (2) is coupled to an input shaft (8) of a first sub-transmission (6) and an input shaft (9) of a second sub-transmission (7) shifted in parallel to the first sub-transmission (6), whereas, through a frictional-locking separating clutch (11), the internal combustion engine (1) is able to be coupled to the input shaft (8) of the first sub-transmission (6) and, if the separating clutch (11) is locked is coupled to the same element (15) of the planetary transmission (10) together with the input shaft (8) of the first sub-transmission (6), whereas a positive-locking or frictional-locking bypass shift element (12) works together with the planetary transmission (10) in such a manner that, with a locked bypass shift element (12), a torque-proof connection between the electric motor (2), the input shaft (8) of the first sub-transmission (6) and the input shaft (9) of the second sub-transmission (7) and thus a mandatory equality of rotational speed between the same, exist, while, with an open bypass shift element (12), this torque-proof connection and thus the mandatory equality of rotational speed do not exist, and whereas, for the execution of a power shift, shortly prior to the engagement of a positive-locking shift element to be locked for the power shift, the frictional-locking separating clutch (11) is brought into slip for the decoupling of the inertial mass of the internal combustion engine (1).. . ... Zf Friedrichshafen Ag

02/18/16 / #20160049264

Key stem for a key module of a key for a keyboard, key module of a key for a keyboard, and method for manufacturing a key module for a key for a keyboard

A key stem for a key module of a key for a keyboard is proposed. The key stem has a coupling section for coupling a key button thereto, and a guidance section for guiding a key stem into a receiving section of the key module when the key stem is actuated between a standby position and an actuation position. ... Zf Friedrichshafen Ag

02/18/16 / #20160047442

Transmission for a motor vehicle

The invention relates to a transmission, in particular a multi-speed transmission for a motor vehicle, comprising a housing, a drive shaft, an output shaft, at least four planetary gear sets, whereas each of the planetary gear sets comprises one sun gear, at least one planet, one planetary carrier and one ring gear, along with several shift elements in the form of at least three clutches and at least three brakes, whereas the drive shaft is connectable through the second clutch to the planetary carrier of the first planetary gear set, and the planetary carrier of the first planetary gear set is connected to the second brake, and the ring gear of the first planetary gear set is connected to the planetary carrier of the fourth planetary gear set, and the planetary carrier of the fourth planetary gear set is connected to the sun gear of the third planetary gear set, and the sun gear of the fourth planetary gear set is connected to the third brake and the planetary carrier of the third planetary gear set is connected to the output shaft, and the ring gear of the third planetary gear set is connected to the ring gear of the fourth planetary gear set, and the third clutch is connected to the first brake, and the third clutch is connected to the sun gear of the first planetary gear set. . ... Zf Friedrichshafen Ag

02/18/16 / #20160046323

Sensor device and method for determining a steering angle of a vehicle and driver assistance system for a vehicle

A sensor device (120) for determining a steering angle (δ) of a vehicle. The sensor device (120) is, or can be, fitted separately and/or retrofitted on a steering wheel (102) of the vehicle. ... Zf Friedrichshafen Ag

02/11/16 / #20160040768

Auxiliary transmission for a vehicle

A motor vehicle group transmission with at least one housing, a main transmission and a range transmission connected downstream from the main transmission. The main transmission comprises at least four planetary gearsets, each of which comprises a sun gear, a carrier, a planetary gearwheel mounted on the carrier and a ring gear, and at least five shifting elements. ... Zf Friedrichshafen Ag

02/11/16 / #20160040757

Transmission for a motor vehicle

The invention relates to a transmission, in particular a multi-speed transmission for a motor vehicle, comprising a housing, a drive shaft, an output shaft, at least four planetary gear sets, whereas each of the planetary gear sets comprises one sun gear, at least one planet, one planetary carrier and one ring gear, along with several shift elements in the form of at least four clutches and at least two brakes, whereas the drive shaft is connectable through the third clutch to the first brake and to the sun gear of the first planetary gear set and to the sun gear of the second planetary gear set, and whereas the ring gear of the first planetary gear set is connected to the planetary carrier of the fourth planetary gear set, and whereas the planetary carrier of the fourth planetary gear set is connectable through the fourth clutch to the drive shaft, and whereas the sun gear of the fourth planetary gear set is connected to the housing, and whereas the second brake is connected to the planetary carrier of the first planetary gear set.. . ... Zf Friedrichshafen Ag

02/11/16 / #20160039457

Display device and method for displaying data and driver assistance system for a vehicle

A display device (120) for the display of data. The display device (120) includes a data display device (124) for displaying data. ... Zf Friedrichshafen Ag

02/04/16 / #20160033013

Multi-stage planetary transmission

A multi-speed transmission in planetary design for a vehicle includes a housing, a first shaft (1) as a drive (an), and a second shaft (2) provided as an output (ab) that is arranged in a manner axially parallel to the drive. Three planetary gear sets, additional shafts, along with six shifting elements are also provided, through which the actuation of several gears are realized. ... Zf Friedrichshafen Ag

02/04/16 / #20160031000

Method and device for producing a cast workpiece

A method and apparatus for producing a cast component with a wall in which at least one hollow chamber is formed. A hollow body for forming the hollow chamber is introduced into a casting tool by means of an apparatus, and liquid material is then supplied to the casting tool so as to surround the hollow body and thereby form the hollow chamber in the cast wall. ... Zf Friedrichshafen Ag

01/28/16 / #20160025189

Vehicle transmission

A vehicle transmission having first and second transmission input shafts (ge1, ge2) and having at least three planetary gear sets (pg1, pg2, pg3). A sub-transmission (tg1, tg2) is allocated to each of first and second transmission input shafts (ge1, ge2) and one of first and second sub-transmissions (tg1, tg2) comprises at least the first planetary gear set (pg1), and the other of first and second sub-transmissions (tg1, tg2) comprises at least the second planetary gear set (pg2). ... Zf Friedrichshafen Ag

01/21/16 / #20160018220

Method and control unit for determining an angle between longitudinal axes of a vehicle combination

A method for determining an angle between a longitudinal axis of a first, leading component vehicle and a longitudinal axis of a second, trailing component vehicle. For at least one wheel axle or wheel axle group of the first, leading component vehicle a travel speed and/or an angular speed of the wheel axle or wheel axle group concerned is determined, and for at least one wheel axle or wheel axle group of the second, trailing component vehicle a travel speed and/or an angular speed of the wheel axle or wheel axle group concerned is determined. ... Zf Friedrichshafen Ag

01/21/16 / #20160017968

Powertrain for a vehicle and method for carrying out load changes

A drive-train for a vehicle with at least one electric drive, which can be coupled via a driveshaft (2) to at least a first transmission ratio stage (i1) and a second transmission ratio stage (i2). At least one shifting mechanism is provided for engaging the transmission ratio stages (i1, i2). ... Zf Friedrichshafen Ag

01/21/16 / #20160017962

Transmission

A transmission (g) is provided having four planetary gear sets (p1, p2, p3, p4), several shafts (w1-w8) and a first, second, third, fourth and fifth shift element (b1, b2, k1, k2, k3), the selective meshing of which brings about different transmission ratio relationships between a transmission input shaft (gw1) and a transmission output shaft (gw2). The transmission (g) includes a sixth shift element (k4), through which the fifth shaft (w5) is connectable to the sun gear (so-p4) of the fourth planetary gear set (p4).. ... Zf Friedrichshafen Ag

01/21/16 / #20160017961

Transmission

A transmission (g) is provided with four planetary gear sets (p1, p2, p3, p4), several shafts (w1-w8) and a first, second, third, fourth and fifth shift element (b1, b2, k1, k2, k3), the selective meshing of which brings about different transmission ratio relationships between a transmission input shaft (gw1) and a transmission output shaft (gw2). The second shift element (b2) and/or the fifth shift element (k3) is arranged, in a series at a sixth shift element (k4), in the power flow between the fifth shaft (w5) and a sun gear (so-p4) of the fourth planetary gear set (p4).. ... Zf Friedrichshafen Ag

01/21/16 / #20160017960

Transmission

A transmission (g) is provided with four planetary gear sets (p1, p2, p3, p4), several shafts (w1-w7) and a first, second, third, fourth and fifth shift element (b1, b2, k1, k2, k3), the selective meshing of which brings about different transmission ratio relationships between a transmission input shaft (gw1) and a transmission output shaft (gw2). The transmission (g) includes a sixth shift element (k4), through which the fifth shaft (w5) is connectable to the sun gear (so-p4) of the fourth planetary gear set (p4), either directly or through the second shift element (b2), and whereas the fourth shaft (w4) is connectable through the fourth shift element (k2) with the sun gear (so-p4) of the fourth planetary gear set (p4), either directly or through the second shift element (b2).. ... Zf Friedrichshafen Ag

01/21/16 / #20160017959

Multi-stage transmission

The multi-stage transmission comprises a drive shaft (1), an output shaft (2), which are arranged parallel to each other, three planetary gear sets, whereas the first planetary gear set (p1) is arranged coaxial to a first axis, which is defined by the drive shaft (1), and the second and third planetary gear sets (p2, p3) are arranged coaxial to a second axis, which is arranged parallel to the first axis and is defined by the output shaft (2), whereas the drive shaft (1) is detachably connectable, through a first clutch (13), to a third shaft (3) connected to the sun gear of the first planetary gear set (p1), which is attachable to the housing (g) of the transmission through a first brake (03), whereas the drive shaft (1) is detachably connectable, through a second clutch (17), to a seventh shaft (7) connected to the ring gear of the first planetary gear set (p1) and a sixth shaft (6) is in operative connection with the bar of the first planetary gear set (p1) and, through a second spur gear stage (s2), with the tenth shaft (10) connected to the ring gear of the third planetary gear set (p3), whereas the output shaft (2) is connected to the bar of the second planetary gear set (p2), and a fourth shaft (4) is connected to the sun gear of the second planetary gear set (p2) and the sun gear of the third planetary gear set (p3) and attachable to the housing g through a second brake (04), whereas the input shaft (1), through an eighth and a ninth shaft (8, 9), a third or a fifth clutch (18, 89) and through a first spur gear stage (s1), can be in operative connection with the ring gear of the second planetary gear set (p2) and the bar of the third planetary gear set (p3) and whereas the third shaft (3), through a fourth or sixth clutch (35, 15), a fifth and tenth shaft (5, 10) and a third spur gear stage (s3), can be in operative connection with the ring gear of the third planetary gear set (p3).. . ... Zf Friedrichshafen Ag

01/21/16 / #20160016586

Method for anticipatory controlling a cruise control of a motor vehicle

A method for predictive control of a cruise control system of a motor vehicle in which a selection is made from a variety of control variants in order to set a target speed with respect to a stretch of road ahead. In so doing, the selection is made as a function of a gradient profile of the stretch of road ahead. ... Zf Friedrichshafen Ag

01/14/16 / #20160010727

Multi-speed transmission in planetary design

A multi-speed transmission in planetary design for a vehicle with a housing (11) includes a first shaft 1 (1) provided as a drive (an) and a second shaft (2) provided as an output (ab) that is arranged axially parallel to the drive. Three planetary gear sets (rs1, rs2, rs3) and additional shafts (3, 4, 5, 6, 7, 8, 9) along with six shifting elements (k1, k2, k3, k4, b1, b2) are provided, through which the actuation of several gears are realized. ... Zf Friedrichshafen Ag

01/14/16 / #20160009158

Rotary damper for a vehicle

A rotary damper, for a vehicle, for damping relative movements between vehicle wheels and the vehicle body. The at least one gear assembly has several gearwheels in functional connection by virtue of rotational movement of which hydraulic medium can be displaced for the purpose of hydraulic damping for the vehicle.. ... Zf Friedrichshafen Ag

01/07/16 / #20160003688

Arrangement for testing a device for protecting an electronic component against overheating and pertaining method

The invention relates to an assembly and a method for testing a device in order to protect an electronic component against overheating, wherein the device comprises a temperature sensor that is in thermal connection with the electronic component, and a first control circuit for the electronic component (6), wherein the temperature sensor is electrically connected to the first control circuit. The assembly has a heating element that is thermally connected to the temperature sensor, which heating element can be activated by means of a second control circuit.. ... Zf Friedrichshafen Ag

01/07/16 / #20160003330

Multi-stage planetary transmission

A multi-speed transmission in planetary design for a vehicle with a housing (11) is proposed, whereas a first shaft (1) is provided as a drive (an) and a second shaft (2) is provided as an output (ab) that is arranged in a manner axially parallel to the drive, whereas three planetary gear sets (rs1, rs2, rs3) and additional shafts (3, 4, 5, 6, 7, 8, 9) along with six shifting elements (k1, k2, k3, k4, b1, b2) are provided, through which the actuation of several gears can be realized, whereas machine elements (st1, st2) are provided for the transfer of torque between the drive (an) and the output (ab), whereas the first shaft (1), as a drive, is connectable to the sun gear (sr3) of the third planetary gear set (rs3), to the sun gear (sr2) of the second planetary gear set (rs2), to the planetary gear carrier (pt3) of the third planetary gear set (rs3) and is connectable or connected to the sun gear (sri) of the first planetary gear set (rs1), and whereas the second shaft (2) is connected or connectable, as a drive (ab), to the first machine element (st1) and to the second machine element (st2).. . ... Zf Friedrichshafen Ag

01/07/16 / #20160003329

Multi-stage planetary transmission

A multi-speed transmission in planetary design with a housing is proposed. A first shaft (1) is provided as a drive (an) and a second shaft (2) is provided as an output (ab) arranged axially parallel to the drive. ... Zf Friedrichshafen Ag

01/07/16 / #20160003328

Multi-stage planetary transmission

A multi-speed transmission in planetary design is proposed for a vehicle. A first shaft is provided as a drive (an) and a second shaft is provided as an output (ab) arranged axially parallel to the drive. ... Zf Friedrichshafen Ag

01/07/16 / #20160001625

Rotary damper for a vehicle

A rotary damper for a vehicle, for damping relative movements between vehicle wheels and the vehicle body. The damper has at least one gear assembly that converts the relative movement into rotation movement and is connected to at least one electric machine (2) in such manner so that actively controllable damping of the relative movement is possible.. ... Zf Friedrichshafen Ag








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