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| Number | Title | Issue Date |
| 8187136 | Differential gear In a differential gear, a differential case includes: a first differential case on a side ranging from a pinion-shaft installation part on which a pinion shaft is installed, to a ring gear; and a second differential case on a side opposite to the side ranging from a... | 05/29/2012 |
| 8167761 | Differential assembly provided with an adjustment device, in particular for motor vehicles A differential assembly, in particular for motor vehicles, transmits the motion from an input shaft to a pair of reciprocally counterposed coaxial output shafts and is provided with a ring gear rotably fed in use by the input shaft about a rotation shaft; the assemb... | 05/01/2012 |
| 8167762 | Drive axle assembly with wheel speed measurement system A wheel speed measurement system for a drive axle is provided within a differential assembly. The system includes a differential side bearing adjustment ring configured for adjusting the position of a differential carrier bearing assembly. A tone ring is provided ha... | 05/01/2012 |
| 8157692 | Differential assembly with bearing discs in openings for mounting purposes The invention relates to a differential assembly in the form of a crown gear differential, more particularly for being used in the driveline of a motor vehicle. The differential assembly comprises a differential carrier (3) which is produced in one piece, whi... | 04/17/2012 |
| 8152680 | Differential assembly with assembly openings A differential assembly is described, in the form of a crown differential for use in a driveline of a motor vehicle. The differential assembly comprises a one-piece differential carrier which is rotatably drivable around an axis of rotation and, in a casing portion,... | 04/10/2012 |
| 8113979 | Four pinion differential with cross pin retention unit and related method A differential having four pinions supported for rotation on cross pins within a differential case. The differential employs a retainer system for securing the cross pins relative to the differential case. The retainer system can include a collar and a plurality of ... | 02/14/2012 |
| 8092335 | Differential for vehicle A differential (1) for a vehicle includes a differential case (2), side gears (5L, 5R) rotatably accommodated in the differential case (2), pinion gears (3, 4) engaged with the side gears (5L, 5R), and pinion g... | 01/10/2012 |
| 8079929 | Differential for model car A differential for a model car includes a housing having a chamber, four notches recessed in a periphery of the chamber and each having a trapezoid section, four blocks received in the notches respectively, a spider having four ends connected with the blocks respect... | 12/20/2011 |
| 8070640 | Fluctuating gear ratio limited slip differential A fluctuating gear ratio limited slip differential assembly is provided that includes a differential case and a pair of side gears disposed within the differential case. Each of the side gears may have a tooth with a first tooth flank. The differential assembly may ... | 12/06/2011 |
| 8052564 | Differential gear unit A differential gear unit has a pinion gear that can spin as well as revolve, a differential case that has a pinion retaining portion that supports the pinion gear, and a pair of side gears that mesh with the pinion gear. Frictional force generated at a portion where... | 11/08/2011 |
| 8047946 | Differential case for vehicle and differential device for vehicle including differential case It is an object of the present invention to provide a differential case for a vehicle and a differential device for a vehicle restricting change and movement of an intermeshing of a pair of side gears and a pair of pinion gears to achieve stable differential restric... | 11/01/2011 |
| 8043188 | Spider-less vehicle differential A ring gear has a plurality of spaced apart recess on an internal surface for receiving a plurality of side pinions within the recesses. The side pinions are driven directly by the ring gear without a differential spider or differential pin. ... | 10/25/2011 |
| 7976422 | Differential with cross pin retention system and method for assembly A differential assembly includes a retainer for a cross pin having a bore aligned with a bore formed in a differential housing. The cross pin retainer is positionable at partially-inserted and fully-inserted positions within the cross pin and differential bores. At ... | 07/12/2011 |
| 7976421 | Differential gear for vehicle and assembling method of the same A differential gear 1 for a vehicle comprises a differential case 2 having a pair of holes 9R, 9L for drive shafts, a pair of pinion gears 3, 4 supported by pinion gear supporters 10, 11 and a pair of side gears 5R, | 07/12/2011 |
| 7955212 | Damper device Mass portions of torsional dampers are annular surrounding corresponding elastic portions. The mass portion of the torsional damper has a first inclined face formed such that the elastic portion deforms in a sheared manner as the mass portion rotates in a rotational... | 06/07/2011 |
| 7955211 | Axle assembly A drive axle assembly has at least one axle arm portion extending from a differential housing to a shoulder structure that is unitary with the outboard end of the axle arm portion. The shoulder structure houses a first bevel bear and a second bevel gear. Openings ad... | 06/07/2011 |
| 7951037 | Four pinion differential with cross pin retention unit and related method A differential having four pinions supported for rotation on cross pins within a differential case. The differential employs a retainer system for securing the cross pins relative to the differential case. The retainer system can include a retainer, such as a clip o... | 05/31/2011 |
| 7946946 | Preloaded differentials A preloaded differential includes may take the form of a hold-out ring type locking differential having a preloaded thrust assembly that may be insertable in the differential as a one-piece unit. The preloaded thrust assembly includes a pair of thrust members each h... | 05/24/2011 |
| 7901318 | Four pinion differential with cross pin retention unit and related method A differential having four pinions supported for rotation on cross pins within a differential case. The differential employs a retainer system for securing the cross pins relative to the differential case. The retainer system can include a collar and a plurality of ... | 03/08/2011 |
| 7878937 | Dual-pilot axle assembly for an automotive vehicle driveline A differential and axle assembly for an automotive vehicle driveline is disclosed. The assembly includes a differential drive pinion and a drive pinion shaft, the drive pinion shaft being splined to a drive pinion shaft flange. Axial and radial dimensional runout is... | 02/01/2011 |
| 7780565 | Differential device A differential device for differentially distributing a driving force to axles along an axis is disclosed. The differential device has a case being capable of rotation about the axis, which includes a flange configured to receive the driving force and a shaft crossi... | 08/24/2010 |
| 7775928 | Differential and bearing arrangement An axle assembly with an axle housing with a pair of bearing journals, a differential assembly disposed between the bearing journals, a pair of differential bearings and a pair of hollow adjusters that can be threaded into the bearing journals to preload the differe... | 08/17/2010 |
| 7736257 | Differential gear apparatus for vehicle Pinion gears are rotatably carried within pinion gear receiving openings formed in a differential case. The inner pinion gear holding surfaces of the receiving openings are enlarged inwardly to form extensions to hold not only portions of the pinion gears that are l... | 06/15/2010 |
| 7695392 | Differential mechanism assembly A differential assembly includes a first case portion, a second case portion secured to the first case portion, the first case portion and the second case portions enclosing a cavity and supported for rotation about a first axis, a spider pin located within and exte... | 04/13/2010 |
| 7648438 | Differential with cross pin retention system and method for assembly A differential assembly includes a retainer for a cross pin having a bore aligned with a bore formed in a differential housing. The cross pin retainer is positionable at partially-inserted and fully-inserted positions within the cross pin and differential bores. At ... | 01/19/2010 |
| 7591751 | Four pinion differential with cross pin retention unit and related method A differential having four pinions supported for rotation on cross pins within a differential case. The differential employs a retainer system for securing the cross pins relative to the differential case. The retainer system can include a retainer, such as a clip o... | 09/22/2009 |
| 7588512 | Drive axle for a light vehicle A drive axle for a light vehicle having a chain drive and a differential is provided, wherein the axle pinion gears (11, 12) are connected to their half-axles (6, 7) in one piece and to the vehicle via fixed bearings (8, 8′). One of the half-a... | 09/15/2009 |
| 7563190 | Differential cross member for a differential drive A differential carrier (11) for a differential drive, which differential carrier (11) is supported so as to be rotatable around its longitudinal axis (A) and which is rotatingly drivable, having two output gears (18, 19) supported in the differe... | 07/21/2009 |
| 7503867 | Bearing arrangement for the input shaft of a forward axle in a tandem axle drive An axle center for the forward axle in a vehicle having tandem drive axles includes a housing containing input, output and through shafts that rotate in the housing about a common axis on front, rear and through shaft antifriction bearings. The front and rear bearin... | 03/17/2009 |
| 7485065 | Producing and maintaining a desired bearing preload in a differential mechanism An apparatus for producing a preload in a differential mechanism includes a housing formed with a first screw thread, a component located in the housing and for supported in revolution about a first axis on the housing by a bearing. A nut includes a second screw thr... | 02/03/2009 |
| 7485064 | Releasable enclosure for differential housing The present invention includes a differential housing and a method for forming the differential housing. The method includes the step of cold-working a first housing preform by one of a group consisting of spin-forming or flow-forming the inner surface of the prefor... | 02/03/2009 |
| 7479087 | Pinion shaft and differential housing assembly The present invention provides a differential housing assembly having a pinion shaft positioned therein. The differential housing assembly is capable of imparting torque to at least a pair of axle shafts of, for example a vehicle. The pinion shaft has a relief porti... | 01/20/2009 |
| 7479086 | Structure of differential housing The present invention provides a differential housing having guide slots formed therein. The guide slots permit movement of pinion shaft axially therethrough. A plurality of apertures are provided in the housing for properly positioning a pinion shaft within the hou... | 01/20/2009 |
| 7470207 | Differential assembly for a machine A differential assembly for a machine includes a ring gear, first and second differential side gears and a plurality of pinions configured to mesh with the first and second side gears, and mounted on at least one pinion support pin. An inner differential housing is ... | 12/30/2008 |
| 7465246 | Axle assembly A drive axle assembly having at least one drive shaft tube and at least one substantially horizontal drive shaft located within the tube. The drive shaft is connected at an inboard end to a differential and an outboard end of the drive shaft has a first bevel gear. ... | 12/16/2008 |
| 7465247 | Differential for a vehicle axle A differential gear device (1) for a vehicle axle, having a differential carrier (2) and a differential lid (5), which are connected to a crown wheel. The differential carrier (2) is connected to the differential lid (5) and crown ... | 12/16/2008 |
| 7448978 | Differential for an electrically powered driving axle To brake a drive output shafts (5) of an electrically powered driving axle, the differential comprises a brake (6) which, when actuated, connects a differential cage (2) and the drive output shaft (5) with a flange (23). ... | 11/11/2008 |
| 7396310 | Hydrostatic transaxle A differential assembly for driving a pair of axle shafts includes a drive gear located in a housing and having at least one pair of symmetrically disposed slots formed therein. A pair of differential bushings are located in the housing on opposite sides of the driv... | 07/08/2008 |
| 7374507 | Lubrication system for differential mechanism A differential assembly includes a housing defining a space containing a volume of hydraulic fluid, the housing including interior surfaces. A gear that rotates in the housing includes surfaces that pass through the fluid as the gear rotates and on which the fluid i... | 05/20/2008 |
| 7367914 | Differential housing support member The present invention discloses a differential housing and a method operable to form the differential housing. The method includes the step of disposing a member having an outer surface on a mandrel. The member in the exemplary embodiment of the invention is a ring ... | 05/06/2008 |
