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Dana Automotive Systems Group Llc
Dana Automotive Systems Group Llc_20100121

Dana Automotive Systems Group Llc patents


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "D" | Dana Automotive Systems Group Llc-related inventors


Method and system for unlocking an electromagnetic actuator

A method of disengaging an axle disconnect system including providing an actuator having a coil (214) at least partially surrounded by a housing (220), an armature (216) located within the housing and the coil, where the armature is capable of actuating between a first and second position, and at least... Dana Automotive Systems Group Llc

A method to control clutch force in a clutch pack

A method to estimate an amount of force in a clutch pack of a clutch actuation system. The method includes engaging an actuation motor to apply a set point force to the clutch pack and monitoring a position of the actuation motor when the set point force is applied. Additionally,... Dana Automotive Systems Group Llc

Lightweight and narrow differential assembly with powder metal inserts

An axle assembly comprising a differential carrier including an upper portion coupled with a lower portion, the upper portion comprising a planar surface defining a first hollow protrusion and a second hollow protrusion. The first hollow protrusion and the second hollow protrusion each define an arcuate cavity. An input shaft... Dana Automotive Systems Group Llc

Vehicle axle connect and disconnect system

An electronic self-locking connect and disconnect system for vehicles. The system includes a motor which turns a gear that meshes with a ring gear contained within a housing. The ring gear meshes with a lead screw thread on an outer surface of a lead screw. When the motor is activated... Dana Automotive Systems Group Llc

Brushless direct current motor with a ring magnet

Provided herein is a BLDC motor having a control system, a rotor including a motor magnet having a plurality of alternating magnetic poles thereon, a stator and a ring magnet. The ring magnet is mounted on the rotor axially adjacent the motor magnet. The number of poles on the ring... Dana Automotive Systems Group Llc

Method of making a valve stem seal with formable retainer tabs

A method for making a valve stem seal, comprising the steps of providing a metal retainer having a top portion and a body portion. The body portion having a first section and a second section. In a first state, the first section of the body portion is cylindrical and the... Dana Automotive Systems Group Llc

Two-stage corrosion barrier between two work pieces

A method and assembly for preventing corrosion between two work pieces. At least a portion of a neck portion of a second end portion of an end piece is disposed within a hollow portion in a first end portion of a drive shaft tube. The inner surface of the first... Dana Automotive Systems Group Llc

Method for searching for a minimum of a multi-dimensional surface

Provided herein is a method for calibrating a clutch by searching for the minimum of a multi-dimensional surface including determining the error between a spline function and recorded data relating to clutch characteristics, creating a multi-dimensional surface corresponding to the error values, determining the minimum of the multi-dimensional surface using... Dana Automotive Systems Group Llc

Actuator assembly with an integrated sensor and a biasing member

An actuator assembly with a sensor system that is less sensitive to run-out out of moving parts. The sensing system includes a magnet holding plate, a pressure plate, a sensor target and a sensor assembly. The magnet holding plate includes an aperture defining an inner surface, an outer surface, a... Dana Automotive Systems Group Llc

Method and inserting and removing a differential case cutter

A method and apparatus for machining an internal surface of a differential case. A lathe having a turret and a pair of spindles are in electrical communication with a programmable computer. Integrally connected to the turret is a cutter gripper assembly that is selectively grippingly engageable with a cutter. A... Dana Automotive Systems Group Llc

Device for securing balancing weights to a shaft

A shaft balancing device for insertion into a shaft including a generally flat cylindrical band having an outer surface, an inner surface and a set of two crush points thereon. A balancing weight is attached to the outer surface of the band between the set of crush points. The device... Dana Automotive Systems Group Llc

Gasket having upper and lower active layers and a spacer layer

A gasket (20) is provided with a uniform thickness spacer layer (66) between two metal upper active layers (78, 80) and two lower active layers (82,84). Each of the layers has aligned openings. A first tab (158, 140) is formed from one of the upper active layers and is located... Dana Automotive Systems Group Llc

Adjustable camber and caster bushing

An adjustable camber and caster bushing. The bushing comprises a planar portion having a first side, a second side, an aperture and an outer perimeter. The bushing also comprises a tubular portion, which is integrally formed with and unitary with the planar portion. The tubular portion comprises an inner diameter,... Dana Automotive Systems Group Llc

A drive unit with twin side shaft torque coupling

A drive unit with twin side shaft torque coupling has an intermediate shaft with a first end portion and a second end portion and a central portion with a ring gear. A first clutch drum is directly mounted on the first end portion of the intermediate shaft. The first clutch... Dana Automotive Systems Group Llc

Torque vectoring unit

A torque vectoring unit for use with a motor vehicle including a differential unit, a gear arrangement and a clutch system. The gear arrangement is connected to the differential unit and includes a first gear set, a second gear set, a third gear set and a common shaft. The clutch... Dana Automotive Systems Group Llc

Differential carrier temperature sensing method

TINT=TSNS(1+RENC/RPCB)−TPCB(RENC/RPCB).... Dana Automotive Systems Group Llc

Drive unit for shifting a torque balance

A drive unit utilizing a double planetary differential and an overdriven gear to shift torque between output shafts. The drive unit includes a motor, a differential caging housing a planetary differential and in driving engagement with two output shafts, a planetary carrier, a first gear, a second gear, and two... Dana Automotive Systems Group Llc

Dual ramp actuator controlling a two clutch system for a driveline

A ball ramp actuator assembly including a control ring, an activation ring including a first section and a second section, two circumferential plate grooves formed between the control ring and the sections of the activation ring which contain rolling elements, two clutches, a gear and an actuator. The first and... Dana Automotive Systems Group Llc

End reinforced valve stem seal assembly

A valve stem seal assembly comprises an elastomeric seal having first and second radially inwardly directed sealing lips that are in intimate sealing contact with a valve stem. Also, a metal seal retainer has a first metal seal retainer portion disposed on a first top portion of the elastomeric seal.... Dana Automotive Systems Group Llc

Disconnect system for an axle

An axle disconnect system for drive axles that utilizes an engagement spring, an electric motor and a slidable gear. The motor is connected to the slidable gear which moves along threads thereby engaging or disengaging clutch teeth on a first side gear which selectively engages a second side gear. The... Dana Automotive Systems Group Llc

Method and system for latching an actuator

An axle disconnect system including an actuator having an energizable coil in an overmold that is at least partially surrounded by a coil housing. An armature is in sliding engagement with the housing such that the magnetic flux through the magnetic circuit is uninterrupted. Disposed between one of (i) the... Dana Automotive Systems Group Llc

Constant velocity joint boot assembly

The boot has a lower portion engaged with the sleeve.... Dana Automotive Systems Group Llc

Integrated active limited slip differential

A limited slip differential system having a differential housing, a differential case disposed within the differential housing and a differential gear set supported within the differential case. A friction clutch assembly including a clutch pack is positioned within the differential case and axially adjacent the differential gear set. A ball... Dana Automotive Systems Group Llc

Multi-piece driveshaft assembly

A multi-piece driveshaft assembly (10) includes a driveshaft assembly (12). The driveshaft assembly comprises a yoke (32) provided at an end thereof. A universal joint (16) is attached to the yoke. A coupling shaft assembly (14) includes a tube yoke (32) and tube (44). The tube yoke is attached near... Dana Automotive Systems Group Llc

Non-contact sensor for electromagnetic actuator assembly

The present invention relates to sensing engaged/disengaged modes of an electromagnetic actuator assembly, such as can be used in a locking differential or other locking gearset. Described herein is a sensor for sensing such engagement/disengagement and methods of using such a sensor. The sensor has a magnet having a north... Dana Automotive Systems Group Llc

Tube profile machining process

In a first embodiment, at a time of magnetic pulse welding, a stepped tube profile machining process axially bores a walled tube from an end inward to a transition depth to form a section with a reduced wall thickness and then axially bores the walled tube from the transition depth... Dana Automotive Systems Group Llc

Constant velocity joint assembly

A constant velocity joint assembly (20) includes an outer race (22) having a plurality of outer tracks (42) formed in an inner surface thereof and an inner race having a plurality of inner tracks (54) formed in an outer surface thereof. A cage (26) is disposed between the inner race... Dana Automotive Systems Group Llc

Electromagnetic connect/disconnect system for a vehicle

An electromagnetic connect/disconnect system with an electromagnet including a coil and a coil housing. The system also includes a rotatable and axially slideable slide ring located between the coil housing and a sliding collar. The slide ring has a radially outer surface and a radially inner surface. The sliding collar... Dana Automotive Systems Group Llc








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