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| Number | Title | Issue Date |
| 8177673 | Compact transmission preventing a vehicle from moving backward on a slope A transmission includes a clutch unit having a subsidiary forward clutch part having friction plates coupled to an inner peripheral surface of an axle housing of the clutch unit; a subsidiary coupling coupled to a backward coupling through a one-way bearing; frictio... | 05/15/2012 |
| 8167763 | Block mounted lock-out mechanism A differential is provided that includes a first and second side gear and a reaction block disposed between the first and second side gear. The differential further includes an engagement mechanism configured to have at least a portion of the engagement mechanism th... | 05/01/2012 |
| 8105197 | Independently mounted electronic limited slip device for vehicle A device for use with a vehicle transmission system includes a housing having a clutch provided therein and a first member extending from the housing and configured for coupling to a vehicle differential. The first member includes a generally hollow tube configured ... | 01/31/2012 |
| 8096913 | Locking differential assembly for a model vehicle A locking differential assembly for use in a toy model vehicle. This is accomplished by mounting a locking clutch assembly on an output shaft of a differential gear carrier having an external face. The locking clutch assembly includes a slider member that may be con... | 01/17/2012 |
| 7980983 | Hydraulically locking limited slip differential An improved hydraulically locking limited slip differential assembly for a drivetrain of a motor vehicle having a fluid pump external to a differential carrier and arranged for preventing slip between the wheels by selectively pressurizing a differential clutch inte... | 07/19/2011 |
| 7951038 | Power transmitting apparatus A power transmitting apparatus for performing switching between 2-wheel and 4-wheel drive modes and locking and unlocking of a differential by an operational shaft can comprise a reversible motor, a driving shaft rotationally driven by the motor and adapted to be en... | 05/31/2011 |
| 7942780 | Electronic locking differential with direct locking state detection system An axle assembly with an electronic locking differential that employs a locking mechanism having components that are fixed to one another along an axis such that they co-translate with one another when the actuator that effects the locking and unlocking of the diffe... | 05/17/2011 |
| 7896771 | Differential lock mechanism A differential lock mechanism is provided for use in an axle assembly having a differential, an input member and first and second axles. A lock sleeve is co-axially disposed about the first axle, with the lock sleeve being rotatable with the first axle and laterally... | 03/01/2011 |
| 7892133 | Over-center linkage for engaging a locking differential or other mechanism The present invention includes novel apparatus and methods for engaging and disengaging a locking differential. In an embodiment, an assembly for use with a locking differential is provided. The assembly includes an actuator, a housing, a shaft, a pair of biasing me... | 02/22/2011 |
| 7871350 | Differential holdout ring arrangement A locking differential includes an annular center cam member freely rotatably supported within an annular central driver member without the use of any keying device, such as a snap ring, thereby to simply the construction and assembly of the differential, and to red... | 01/18/2011 |
| 7862462 | Differential device A differential device is provided with a case being capable of rotation around a rotation axis; a differential gear set housed in and drivingly coupled to the case, which includes first and second output gears and is configured to differentially transmit the rotatio... | 01/04/2011 |
| 7850567 | Differential carrier with an inner plate package A differential drive with a rotatably arranged differential carrier (11) in which a multi-plate coupling (23) is arranged so as to be effective between the differential carrier (11) and a sideshaft gear (29), wherein the differential carr... | 12/14/2010 |
| 7846056 | Drive assembly with intermediate shaft and coupling unit A drive assembly for use between an axle differential and a sideshaft comprises an intermediate shaft that is rotatably supported around a rotation axis and has a first end fixedly connected to an output gear of the axle differential and a second end fixedly connect... | 12/07/2010 |
| 7824296 | Locking differential having a split-center driver A locking differential includes a housing with an interior chamber in which a two-piece split-center driver is located. The split-center driver is positioned on opposite sides of a cross-pin assembly. A pair of axially spaced output shafts extend from the interior c... | 11/02/2010 |
| 7815538 | Independently mounted electronic limited slip device for vehicle A device for use with a vehicle transmission system includes a housing having a clutch provided therein and a first member extending from the housing and configured for coupling to a vehicle differential. The first member includes a generally hollow tube configured ... | 10/19/2010 |
| 7785224 | Annular solenoid with axially overlapping electromagnet and armature An electromagnetic actuator having an annular pole piece and an annular armature with surfaces formed thereon through which a magnetic flux passes. One of the annular pole piece and the annular armature is axially movable relative to the other between a first positi... | 08/31/2010 |
| 7766781 | Differential A differential for a vehicle having a first output shaft and a second output shaft for wheels is provided. The differential includes an input member for inputting a driving force from an outside of the differential, a first face gear and a second face gear, both of ... | 08/03/2010 |
| 7758463 | Power transmitting apparatus A power transmitting apparatus for performing switching between 2-wheel and 4-wheel drive modes and locking and unlocking of differential mechanism by an operational shaft can include a driving device comprising a reversible motor, a rotational member rotationally d... | 07/20/2010 |
| 7758462 | Pin retention and assembly system for locking differential A pin retention and assembly system that is used with vehicles, such as, off-road vehicles is provided. The pin retention and assembly system has modular locking pins engaging a collar positionable about a bearing journal of a differential housing. Channels are form... | 07/20/2010 |
| 7682279 | Electronically actuated apparatus using solenoid actuator with integrated sensor A locking differential assembly with a differential case, a gearset, a first dog, a second dog and a thrust member. The differential case has a mounting hub. The gearset is disposed in the differential case and has a side gear. The first dog is coupled to the side g... | 03/23/2010 |
| 7604562 | Drive axle for a light vehicle A drive axle for a light vehicle includes a chain drive and a differential, which comprises a differential cage (2) with a long neck (6, 7) at both sides, balance pinion gears (13) and two axle pinion gears (16), with the axle pinion gear... | 10/20/2009 |
| 7575531 | Active torque biasing differential using a variable viscosity fluid An active torque biasing differential includes a housing and an outer annulus disposed within the housing. An inner annulus is contained within the outer annulus. The inner annulus includes a plurality of slots. A plurality of vanes are disposed in the slots in the ... | 08/18/2009 |
| 7549941 | Vehicle differential including pump with variable-engagement clutch A vehicle differential assembly is provided that includes a differential adapted to allow differing rotational speed between a pair of outputs. The differential includes a gear assembly connected to the outputs and one or more hydraulically-actuated clutches for sel... | 06/23/2009 |
| 7534187 | Locking differential assembly An axle assembly with an electric locking differential that can include a one-piece differential case and a locking device. The locking device includes a dog that is nonrotatably but axially slidably received into a pocket that is formed in an end of the differentia... | 05/19/2009 |
| 7527575 | Lockable differential A lockable differential has one positive-fit clutch (12) actuatable in the opening and closing directions by displacement of a sliding sleeve (4), the sliding sleeve (4) being actuatable by a co-axially disposed piston (15). ... | 05/05/2009 |
| 7452301 | Externally actuated torque coupling for drivetrain A torque-coupling device comprising a hydraulically actuated friction clutch pack and a gerotor pump provided for generating hydraulic pressure actuating the friction clutch pack. The gerotor pump is selectively actuated by a device external to the gerotor pump and ... | 11/18/2008 |
| 7438661 | Mechanical locking differential lockout mechanism An improved differential gear mechanism is characterized by a lockout mechanism (129) operably associated with a latch member (119) that cooperates with a flyweight mechanism (53) to retard differentiating action in the differential gear mechani... | 10/21/2008 |
| 7425185 | Axle assembly with electronic locking differential An axle assembly with an electric locking differential that can include a one-piece differential case and a locking device. The locking device includes a dog that is nonrotatably but axially slidably received into a pocket that is formed in an end of the differentia... | 09/16/2008 |
| 7390278 | Torque-coupling device for front-wheel-drive transaxle unit A front-wheel-drive transaxle unit for a motor vehicle comprises a differential assembly having a differential mechanism disposed in a differential case and two opposite output shafts outwardly extending from the differential case and a torque-coupling device for se... | 06/24/2008 |
| 7374508 | Electronic connector assembly for power transmitting devices A power transmitting device, such as a differential, having a housing, input and output shafts, which are rotatably disposed in the housing, a gear set, one or more actuators and/or one or more sensors disposed within the housing, and a connector having a fitting, a... | 05/20/2008 |
| 7367913 | Wet brake system for vehicles A brake system (20) includes a differential carrier (22, 121) and output gear (26) operatively connected. At least one carrier rotary friction surface (43) is operatively connected to the differential carrier (22, 121). At least on... | 05/06/2008 |
| 7361115 | Differential gear mechanism and improved axle retention arrangement therefor A differential gear mechanism (11) and improved axle shaft (53) retention arrangement for the axle shaft. The mechanism includes a side gear (27) defining first internal splines, a coupling (35) defining second internal splines (35... | 04/22/2008 |
| 7361114 | Vehicle differential including pump with variable-engagement clutch A vehicle differential assembly is provided that includes a differential driven by an input and adapted to allow differing rotational speed between a pair of outputs. The differential includes a gear assembly connected to the outputs and a hydraulically-actuated clu... | 04/22/2008 |
| 7361117 | Differential limiter A differential limiter, including: differential mechanism, including: input member, first output member, second output member, and differential gear connecting the above three members so that the above three members differentially rotate; shaft member connected to t... | 04/22/2008 |
| 7357748 | Limited slip differential A limited slip differential comprises a housing having an input, a first output, and a second output rotatably mounted in the housing. A friction clutch in the housing limits slip between the first output and the second output, and a mechanism in the housing applies... | 04/15/2008 |
| 7357749 | Limited slip differential and engagement sensing mechanism therefor A differential having means (35) operable to limit rotation of an output gear (23) relative to a gear case (11), and actuation means (55) for actuating the rotation limiting means, from an unactuated (FIG. 1) to an actuated conditi... | 04/15/2008 |
| 7357236 | Pressure relief valve actuator for hydraulic torque coupling actuator A hydraulically actuated torque coupling assembly that has an actuator plate mechanism integrated within the pressure relief valve assembly. The actuator plate includes a valve closure member and two alignment pins. The valve closure member is disposed adjacent to a... | 04/15/2008 |
| 7354374 | Differential unit A differential unit which can be arranged in compact as a whole, while a differential limit and a differential lock are appropriately executed. The differential unit is provided with a differential mechanism transmitting from a differential case (45) to a pai... | 04/08/2008 |
| 7344469 | Torque distributing drive mechanism with ravigneaux gearset A drive axle assembly includes first and second axleshafts and a drive mechanism coupling a driven input shaft to the axleshafts. The drive mechanism includes a differential assembly, a planetary gear assembly operably disposed between the differential assembly and ... | 03/18/2008 |
| 7341536 | Light weight differential case half A vehicle differential case is disclosed, the case having an interior and an exterior configuration which provides an increased internal volume for, among other things, lubricant for components of the differential mechanism, while at the same time providing excellen... | 03/11/2008 |
