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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


Apparatus for sensing the position of an actuator assembly of a locking gearset

An apparatus for sensing the position of an actuator assembly having electromagnetic coil, a pressure plate with a rim on one end thereof, and a sensor assembly attached to the actuator assembly. The sensor assembly includes a follower having a magnet disposed therein and a recess for receiving the rim of the pressure plate, a sensor housing having a slot for receiving the follower, and a sensor fixed within the sensor housing between the sensor housing and the follower.. ... Dana Automotive Systems Group Llc

Open composite shaft

A composite shaft assembly including a core structure formed by weaving fibre(s) into an open composite structure. The assembly further includes a first end piece and a second end piece having helically shaped groove(s) and/or axially groove(s) on an outer surface of an end portion of the first and second end piece. ... Dana Automotive Systems Group Llc

Method for synchronization control of rapid connect awd systems

A method of controlling an all-wheel-drive system connect event including providing a power transmission apparatus having a clutch, a propeller shaft, and a rear drive unit with a clutch pack assembly. The rear drive unit clutch pack is actuated by creating a model of the propeller shaft rotational speed, adapting the model parameters to compensate for temperature and vehicle wheel speed, storing the model, adapting the model utilizing information collected during a previous all-wheel-drive system connect event, and developing a set point for the clutch driving element utilizing the model and a multi-loop control architecture. ... Dana Automotive Systems Group Llc

Reciprocating cylinder liner seal assembly

A reciprocating cylinder seal assembly has an elastomeric seal with a radially inwardly directed oil sealing lip and a radially inwardly directed gas sealing lip, wherein both lips are in elastomeric-to-metal sealing contact with a reciprocating engine liner. The assembly further has a u-shaped seal retainer that is attached to the elastomeric seal, where the u-shaped seal retainer is placed in direct intimate contact with a cylindrical engine housing. ... Dana Automotive Systems Group Llc

Induction based position sensing in an electromagnetic actuator

The present invention relates to a method and system for determining the position of the armature of a solenoid using a controller to determine the temperature of the solenoid and to indirectly determine the position of the armature without the need of an additional sensor using current sensing pulses and a solenoid capable of staying engaged due to residual magnetism after the coil has been de-energized.. . ... Dana Automotive Systems Group Llc

Ball retaining ball and ramp assembly

A ball and ramp assembly including a first plate, a second plate and one or more rolling elements between the first and second plates. The first plate includes a shoulder portion that extends from a first side of the first plate. ... Dana Automotive Systems Group Llc

Laser welding of balance weights to driveshafts

Described herein are driveshafts with balance weights welded thereon and methods of manufacturing the same. The paint is removed from the driveshaft before the balance weight is welded thereon. ... Dana Automotive Systems Group Llc

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 one of the housing and the armature is part of a magnetic circuit. Applying a current to the coil and actuating the armature from the first position to the second position. ... 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. ... 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. ... 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. ... 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. ... 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 the steps of performing a steepest gradient & direction determination step and conducting a golden section search and switch direction step to find a minimum that meets a predetermined closing condition. Additionally, provided herein is a computer-implemented system for calibrating the clutch.. ... 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. ... Dana Automotive Systems Group Llc

09/28/17 / #20170276224

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. ... Dana Automotive Systems Group Llc

09/21/17 / #20170266731

Method and apparatus for 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. ... Dana Automotive Systems Group Llc

09/14/17 / #20170261066

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. ... Dana Automotive Systems Group Llc

08/31/17 / #20170248232

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. ... Dana Automotive Systems Group Llc

08/03/17 / #20170217493

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. ... Dana Automotive Systems Group Llc

07/27/17 / #20170211676

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. ... Dana Automotive Systems Group Llc

07/27/17 / #20170211675

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. ... Dana Automotive Systems Group Llc

07/13/17 / #20170198797

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 variably engageable clutches. ... Dana Automotive Systems Group Llc

06/22/17 / #20170175823

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 second sections are splined together allowing for axial movement. ... Dana Automotive Systems Group Llc

06/15/17 / #20170167544

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. ... Dana Automotive Systems Group Llc

06/15/17 / #20170167316

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

06/08/17 / #20170159726

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. ... Dana Automotive Systems Group Llc

04/20/17 / #20170108103

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. ... Dana Automotive Systems Group Llc

02/23/17 / #20170051793

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. ... Dana Automotive Systems Group Llc

02/16/17 / #20170045379

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. ... Dana Automotive Systems Group Llc

02/02/17 / #20170030415

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 and the outer race. ... Dana Automotive Systems Group Llc

02/02/17 / #20170028503

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 to a fall off depth, thereby forming a section with a maximized welding wall section. In a second embodiment, also at a time of magnetic pulse welding, a surface angle tube profile machining process axially bores at a surface angle a walled tube from an end to a bore length to form an angular welding wall thickness inward to a maximized wall section. ... Dana Automotive Systems Group Llc

01/05/17 / #20170002875

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. ... Dana Automotive Systems Group Llc








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