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| Number | Title | Issue Date |
| 8167758 | Drive axle assembly with gear mesh lubrication systems for lubricating gear mesh and/or differential bearings An axle assembly having an axle assembly with first and second sumps for holding a lubricant. A rotating ring gear associated with a differential can rotate through the lubricant in the first sump to cause a portion of the lubricant to cling to the ring gear. A port... | 05/01/2012 |
| 8167757 | Limited slip differential and manufacturing method for limited slip differential A plurality of microscopic grooves are created on the surface of the teeth of planetary gears, and thus, irregular unevenness is created. This irregular unevenness includes a plurality of first microscopic grooves which function as lubricant grooves and a plurality ... | 05/01/2012 |
| 8152674 | Auxiliary lubrication pump for carriers A carrier assembly includes an auxiliary lubrication pump that lubricates gear components positioned within an internal cavity of a carrier housing. A differential gear assembly is positioned within the internal cavity to rotate about an axis. The auxiliary lubricat... | 04/10/2012 |
| 8152675 | Device for optimizing the feed function of the ring gear of a differential with regard to the maximum flow rate A device for optimizing the oil delivery function of the ring gear of a differential to maximize the volume of oil flow. The device includes an annular disk (6) which, when viewed in an axially direction, is arranged adjacent the ring gear (1) on the s... | 04/10/2012 |
| 8083628 | Differential carrier assembly for a vehicle A differential carrier assembly for use in an axle of a vehicle includes a differential carrier that extends along a central axis. The differential carrier defines a chamber. A first stub shaft extends along a first rotational axis, transverse to the central axis. T... | 12/27/2011 |
| 8033941 | Lubricating oil feeding device for automatic transmission A lubricating oil feeding device includes a carrier and a carrier cover that are attached to both ends of the pinion shaft of the planetary gear and that are arranged in an axial direction of an input shaft of the automatic transmission; an oil sump groove that open... | 10/11/2011 |
| 8021259 | Differential assembly with oil deflector shield An axle assembly that includes a housing assembly, a lubricant and a differential assembly. The housing assembly defines a differential cavity with a lubricant sump into which the liquid lubricant is received. The differential assembly is mounted in the differential... | 09/20/2011 |
| 8021258 | Axle assembly having mechanism for circulating lubricating fluid to wheel ends An axle assembly with an axle shaft, an annular disc and a pair of change members. The axle shaft includes an unthreaded body portion having a first diameter. The annular disc is mounted on the body portion and has a central aperture through which the unthreaded bod... | 09/20/2011 |
| 8007390 | Vehicle power transmitting device In a planetary gear unit 12 of a power transmitting device 10, a sun gear S1 is connected to an electric motor 20, a carrier CA1 is non-rotatably fixed to a case 40, and a ring gear R1 is connected to an output gear | 08/30/2011 |
| 7985155 | Planetary transmission with a disk clutch or a disk brake A transmission with a planetary gearset including planetary gears supported on a carrier, with a disk clutch or brake including a disk carrier which, via an integral cylindrical portion, is fixed to a shaft that supports the disk carrier, such that the carrier rotat... | 07/26/2011 |
| 7967713 | Planetary transmission A planetary gear set lubricating unit which supplies oil from inside a component adjacent the planetary gear set, via a radial bore and an oil catcher, axially through a bore of a planetary gear bolt to planetary gear bearings. The oil catcher forms a ring-shaped ch... | 06/28/2011 |
| 7963875 | Method and apparatus for lubricating a differential in an axle assembly A power transmitting assembly having a differential case and a differential gearset that is received in an interior chamber in the differential case. The differential case defines a tubular bearing mount and a plurality of oil galleries. The tubular bearing mount te... | 06/21/2011 |
| 7892131 | Method and apparatus for lubricating a differential in an axle assembly A method for lubricating an axle assembly can include: coupling a pair of bearing to opposite ends of a differential housing; placing the differential housing into a carrier housing assembly such that the bearings support the differential housing on the carrier hous... | 02/22/2011 |
| 7867126 | Differential case for vehicle and differential device for vehicle A differential case for a vehicle and a differential device for a vehicle supplying sufficiently lubrication oil to a gear peripheral portion as a supported portion of a pinion gear in order to prevent a bonding of the gear peripheral portion of the pinion gear. The... | 01/11/2011 |
| 7789786 | Differential device An embodiment of a differential device of the present invention comprises a pair of side gears and a pair of pinion gears housed inside a differential case, with the pinion gears supported by a pinion shaft fixed to the differential case at axial end sections thereo... | 09/07/2010 |
| 7785222 | Differential gear set in which lubrication structure is improved A differential gear set includes a pinion gear that at least a groove having a inner planar surface, at least a gear is formed in an exterior circumference thereof and at least a pinion shaft in which an end portion is inserted into the groove such that an end surfa... | 08/31/2010 |
| 7686728 | Mechanical adapter assembly The invention relates to the mechanical adapter assembly of the transmission line for a motor vehicle. The mechanical adapter includes shafts rotatably guided by different bearings and couplings for driving said different shafts. The mechanical adapter also includes... | 03/30/2010 |
| 7625308 | Differential gears The invention provides a differential gear which can effectively prevent a drag noise of a clutch plate by a simple structure. In a differential gear (10) provided with a clutch means (16) having an inner pawl clutch plate (12) integrally rotati... | 12/01/2009 |
| 7611435 | Power transfer assembly with gasket having magnet An axle assembly for a vehicle includes a housing, a differential assembly rotatably supported within the housing, a differential cover and a gasket assembly positioned between the housing and the differential cover. The gasket assembly includes a body and a magnet ... | 11/03/2009 |
| 7597642 | Differential pinion gear having interior circumference for preventing abrasion A differential pinion gear has a curved interior surface, defining a hole for a pinion shaft to be disposed therein. The hole is narrower at the center and wider at the ends. The interior surface may have a radius of curvature at the center of the hole that is large... | 10/06/2009 |
| 7556581 | Transmission having integrated braking device Disclosed is a transmission, which makes it possible to conduct work of repairing or replacing a braking device by disassembling only parts of a reduction gear system after separating a housing, and in which oil is provided around the braking device and circulates a... | 07/07/2009 |
| 7452300 | Rotary-shaft support device A rotary-shaft support device including a casing having an inner circumferential surface defining a shaft hole in which an output shaft is rotatably fitted, the inner circumferential surface having a generally helical lubrication groove having a non-helical inlet en... | 11/18/2008 |
| 7445574 | Drive axle with variable oil flow mechanism An axle assembly including a differential gear set having a ring gear. The axle assembly includes a carrier assembly housing that contains the differential gear set and an arcuate fence disposed adjacent to the ring gear that connects to the carrier assembly housing... | 11/04/2008 |
| 7435199 | Transfer case with forward hydraulic clutch A two-speed segmented transfer case includes an automatic transmission side, and a transfer case side. The transfer case side having a gear reduction set, and a shift sleeve for selecting between the high, or direct drive speed, and the low, or reduced gear speed. T... | 10/14/2008 |
| 7416504 | Lubrication plug In an off-highway vehicle having an electric propulsion system which includes a motorized wheel, a traction motor and a transmission for transmitting power from the traction motor to the motorized wheel, wherein the transmission comprises a reduction stage, a low sp... | 08/26/2008 |
| 7396308 | Vehicular drive system A vehicular drive system including a first electric motor, a differential mechanism operable to distribute an output of a drive power source to the first electric motor and a power transmitting member, a second electric motor disposed in a power transmitting path be... | 07/08/2008 |
| 7364528 | Inverted portal axle configuration for a low floor vehicle An axle system includes an axle shaft offset located within an axle center beam housing. The axle shaft is located in a recess in a top wall of the axle center beam shaped with slopes to maximize clearance to the bottom of the vehicle floor panels. The pneumatic bra... | 04/29/2008 |
| 7353733 | Transmission apparatus for automobile or the like A transmission apparatus for an automobile or the like includes: a transmission gear mechanism including, therein, a speed-reducing small gear at an axial one side of an intermediate shaft; a final driving mechanism including, therein, a speed-reducing large gear at... | 04/08/2008 |
| 7351178 | Directly driven drive axle with a gear train comprising an axially-fixed sun pinion A driving axle for a vehicle driven by an electric motor disposed on a driven motor shaft. Drive shafts are coupled to the motor shaft via the interposition of a reduction transmission stage and a following differential transmission. As part of the transmission stag... | 04/01/2008 |
| 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 |
| 7326142 | Partition structure of power train device A partition structure of a power train device is provided with: a second differential coupled with an external first differential so as to receive a driving force input to the first differential; a case having a first end facing to the first differential, a second e... | 02/05/2008 |
| 7320658 | Rotating shaft support apparatus and differential gear unit In a lubrication groove, which is formed in an insertion hole into which is inserted an output shaft, and which winds around the circumference of the insertion hole while advancing in the axial direction of the insertion hole, there is a portion that is farther to t... | 01/22/2008 |
| 7320659 | Differential assembly with semi-elliptical assembly window A differential case is provided including at least one assembly window formed therein for providing access to a chamber interior of the differential case. The assembly window in the differential case is defined by a semi-elliptical segment having ends interconnected... | 01/22/2008 |
| 7270026 | Differential assembly A differential having a differential case, a pair of side gears disposed in the differential case and a biasing element disposed between the side gears to force the side gears against the differential case, creating a torque bias between the side gears and the diffe... | 09/18/2007 |
| 7270205 | Vehicle drive device, and front-and-rear wheel-driven vehicle formed of the device A vehicle drive device 20 is composed of an electric motor 20a, a differential gear 20d for distributing and transmitting the drive power from the electric motor 20a to right and left drive wheels, and a clutch 20 | 09/18/2007 |
| 7267629 | Differential gear A lockable differential gear having an integral differential gear housing (1). The differential gear housing (1) has a plurality of apertures (8) located opposite one another. A number of the internal parts of the differential gear are mounted, ... | 09/11/2007 |
| 7258641 | Power divider lubrication in tandem drive axles A drive axle assembly is provided that improves lubrication of the bearing surfaces of the inter-axle differential gears, the side gears meshed with the differential gears, and the input and output shafts. Lubricant splashed from the ring gear is collected and is th... | 08/21/2007 |
| 7232397 | Axleshaft retention assembly for differentials and method of assembly A differential assembly includes a differential housing defining a chamber and a pair of aligned openings communicating with the chamber. A pair of output shafts extend through the openings in the differential housing and include end segments located within the cham... | 06/19/2007 |
| 7229376 | Adjustable drain-back baffle A lubrication system of an axle assembly comprising a differential carrier rotatably supporting a differential case therewithin, an axle tube extending outwardly from the differential carrier, a bearing assembly for rotatably supporting the differential case within ... | 06/12/2007 |
| 7229377 | Lubrication system for a transmission output differential mechanism A differential lubrication system includes structure forming a torque converter feed passage in fluid communication with a fluid source and in which fluid is selectively supplied to a torque converter. Structure forming a branch passage for lubricating a differentia... | 06/12/2007 |
