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| Number | Title | Issue Date |
| 7641581 | Differential device A differential device is provided with a case rotatable about an axis; an input member configured to receive the torque from the input shaft, the input member being housed in the case and including an engaging outer periphery drivingly engaged with the case; first a... | 01/05/2010 |
| 7611437 | Spacer pin arrangement for helical gear differential An axle assembly that includes a differential case which is rotatable about an axis, a pair of side gears that are disposed within the differential case, a spacer ring and a cross pin. The spacer ring is disposed between the side gears. The cross pin is fixed to one... | 11/03/2009 |
| 7582038 | Differential gear train for wheeled vehicle A differential gear train for a wheeled vehicle includes a first housing, a first cover, a second housing, a second cover, a plurality of pinions, a first sun gear, and a second sun gear. Thus, the first sun gear drives the second sun gear by provision of the pinion... | 09/01/2009 |
| 7404780 | Torque distribution-controlling apparatus A torque distribution-controlling apparatus, by which a torque from a driving power source is distributed to vehicle right and left wheels via right and left axles, includes a differential having a first torque transmitting system and a second torque transmitting sy... | 07/29/2008 |
| 7361118 | Gear mechanism and reduction planetary gear In a gear mechanism, inner gear teeth and outer gear teeth are formed of high-tooth. An engagement ratio of the inner and outer gear teeth is configured so as to be 2.0 or more, whereby a load can be transferred between the inner and outer teeth via a continuous gea... | 04/22/2008 |
| 7357750 | Differential assembly and transaxle including it A transaxle comprising a transmission, a pair of coaxial axles, a deceleration assembly for decreasing output rotational speed of the transmission, a differential assembly for transmitting power from the deceleration assembly to the pair of axles, and a common housi... | 04/15/2008 |
| 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 |
| 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 |
| 7232399 | Differential assembly An axle assembly that includes a differential casing, which is rotatable about an axis, a pair of side gears that are disposed within the differential casing, a spacer and a cross pin. The spacer is disposed between the side gears. The cross pin is fixed to the diff... | 06/19/2007 |
| 7195578 | Automatic transmission and gear train The present invention relates to automatic transmissions. In particular, the instant invention relates to an automatic transmission with improved resistance to deterioration with an increased effective life. The transmission of the instant invention comprises eight ... | 03/27/2007 |
| 7147585 | Helical gear differential An axle assembly that includes a differential casing, which is rotatable about an axis, a pair of side gears that are disposed within the differential casing, a spacer and a cross pin. The spacer is disposed between the side gears. The cross pin is fixed to the diff... | 12/12/2006 |
| 7137922 | Differential device A differential device includes a main flywheel, a main shaft integrated with the main central gear, prime train of planet gears, secondary train of planet gears, secondary shaft integrated with the secondary central gear, and a fixing plate. This improved device can... | 11/21/2006 |
| 7121971 | Automatic transmission A drive unit for driving at least two axles of an all-wheel drive vehicle, having a housing (3), an input gear (5) meshing with an output gear (4) of a gear-shift transmission (2), a center differential (6) coaxially disposed relat... | 10/17/2006 |
| 7104913 | Differential gear device for vehicle A carrier is formed with a circular cylindrical supporting part 4a. This supporting part 4a is formed with a receiving hole 4b. A planetary gear 5 is rotatably received in the receiving hole 4. One side part in... | 09/12/2006 |
| 7056256 | Differential apparatus A differential locking section is provided between a pair of output members that respectively mesh with a pair of gears. Since, at least one of the output members is composed of a first output shaft member that meshes with the gear, and a second output shaft member ... | 06/06/2006 |
| 7056255 | Differential cage for a differential gear In a differential cage for a differential gear, a cage member is provided with a cavity machined on an inside and having an installation opening for compensating gears and driving gears. An axle drive gear and a parking lock gear form a one-piece forging together wi... | 06/06/2006 |
| 7029415 | Differential apparatus A differential apparatus having a limited slip differential mechanism which comprises a differential case, a pair of side gears housed in the differential case and connected to driving shafts, and pinion gears meshing with the pair of side gears. One of the tooth su... | 04/18/2006 |
| 7022041 | Helical gear differential A differential assembly that includes a differential casing, which is rotatable about an axis, and a pair of side gears that are disposed within the differential casing. First, second, third and fourth pairs of pinion bores are formed in the differential casing and ... | 04/04/2006 |
| 6964155 | Turbofan engine comprising an spicyclic transmission having bearing journals A planet gear journal for an epicyclic gear system is asymmetrically formed to compensate for carrier twist. The asymmetry may be between a pair of opposed outwardly open annular channels inboard of a bearing surface of the journal. A particular application is the p... | 11/15/2005 |
| 6918851 | Concentric shift system for engaging an interaxle differential lock An interaxle differential is provided which includes a side gear, a clutch gear torsionally locked on a first input shaft and axially slidably mounted thereon and an annular piston mounted in a differential casing for urging the clutch gear into engagement with a si... | 07/19/2005 |
| 6634979 | Gear system with adjustable resistance to differential action A differential gear system for a vehicle includes a casing having two sun gears connected to half shafts for the vehicle's wheels, and two sets of planetary differential pinions surrounding the sun gears. Each set of differential pinions is in meshing eng... | 10/21/2003 |
| 6599217 | Limited slip differential A limited slip differential having a carrier with a plurality of recesses disposed symmetrically relative to a gear opening. The gear opening having a gear diameter, and each of the plurality of recesses having a recess diameter. The gear diameter interse... | 07/29/2003 |
| 6513615 | Full-time all-wheel drive power take-off unit for motor vehicle A full-time all-wheel drive system for a motor vehicle equipped with a transversely mounted engine and transaxle includes a power take-off unit. The power take-off unit includes an interaxle differential which drives a first power path connected to the fr... | 02/04/2003 |
| 6402656 | Limited slip differential A limited slip differential comprising a casing containing a fluid medium, the casing rotatably driven along an axis by an input member; a plurality of opposing pinions therein the casing that are immersed in the casing fluid medium, having substantially ... | 06/11/2002 |
| 6325737 | Helical gear differential with geared lube pump A differential casing is provided which is rotatable about an axis. The differential casing is generally cylindrically shaped and defines a first end surface and a second end surface. A pair of side gears is disposed within the differential casing and is ... | 12/04/2001 |
| 6325738 | Limited slip differential A limited slip differential having a carrier with a plurality of recesses disposed therein about a rotation axis thereof, each recess having an open side portion with generally opposite first and second edges substantially parallel to the rotation axis, a... | 12/04/2001 |
| 6066064 | Parallel-axis combination differential gear unit Paired planetary gears 3A, 3B are each provided on one end thereof with a long gear portion 31, on the other end with a short gear portion 32, and a neck portion 33 between the long gear portion 31 and the short gear portion 32. The long gear portion 31 o... | 05/23/2000 |
| 6059683 | Differential apparatus A differential apparatus (7) comprises: a differential casting (21) rotated by an engine power; a plurality of pinion gears (65, 66) slidably housed in accommodation holes (63, 64) formed in the differential casing; a pair of side gears (35, 37) geared wi... | 05/09/2000 |
| 6053838 | Helical differential assembly A one-piece differential casing for a parallel-axis differential assembly is provided. The integral casing includes a drum segment defining an internal chamber and a flange segment extending radially from the outer periphery of the drum segment. The casin... | 04/25/2000 |
| 6019695 | Automobile driving system Principal components of an automobile driving system for a two-wheel drive vehicle including a torque converter, a belt-type variable-speed transmission, a front differential gear, a transmission case containing these components, a front drive shaft inclu... | 02/01/2000 |
| 6013004 | Parallel-axis gear differential with pinion mounted brake shoes Parallel-axis gear differentials include a housing rotatable about a common axis of a pair of output shafts, and a planetary gearset mounted in the housing for interconnecting the output shafts. The gearset includes a pair of side gears positioned within ... | 01/11/2000 |
| 5984823 | Differential with shaft locking mechanism A shaft retention and spacer mechanism, referred to as a button lock assembly, is installed between the ends of the axle shafts within the differential housing of a differential assembly. The end of each axle shaft includes a button-like end pad formed by... | 11/16/1999 |
| 5983754 | Split spacer for a differential assembly A differential assembly which has a split spacer assembly. The spacer assembly aligns a drive member with a coupler member. The coupler member may be attached to a drive wheel axle. The drive member may be coupled to a case which has an outer ring gear. T... | 11/16/1999 |
| 5976051 | Differential drive with inner supporting means for the differential gears A differential drive having a drivable differential carrier rotatably supported in a drive housing, said differential carrier comprising a carrier portion and two cover parts. Two axle shaft gears are coaxially rotatably supported in the differential carr... | 11/02/1999 |
| 5971882 | Parallel-axis gear differential At least one pair of first pockets (12A, 12D) are formed in the inner peripheral surface of a housing (1). The first pockets (12A, 12D) are arranged away from each other in a circumferential direction of the housing (1). Planetary gears (3A, 3B) meshed wi... | 10/26/1999 |
| 5879262 | Power transmitting device wherein power is distributed to two side gears through partition wall interposed between the gears and rotated with differential case Power transmitting device wherein power received from drive source (22) through an input member (44) is distributed to two side gears (12, 14) engaging respective pinions (16, 18), so as to permit differential rotation of the side gears, through different... | 03/09/1999 |
| 5868643 | Differential apparatus A differential apparatus includes a differential casing, a pair of side gears and plural pairs of pinion gears. The pinion gears are accommodated in bores formed in the differential casing, respectively. Each pinion gear has an outer diameter smaller than... | 02/09/1999 |
| 5848950 | Differential gear capable of deriving differential restriction force by frictional resistance with rotations of pinion and side gears A differential gear transmitting force from an engine to a pair of wheels, includes a differential gear case receiving driving force of an engine and rotatably driven having a casing body and an end cover, a pair of side gears connected with the wheels re... | 12/15/1998 |
| 5842946 | Parallel-axis differential In a parallel-axis differential, at least three pairs of planetary gears are rotatably receiving in a housing. At least three pairs of the planetary gears are arranged in a circumferential direction at intervals. The intervals are different from one anoth... | 12/01/1998 |
| 5839985 | Differential apparatus having a thrust washer A differential apparatus comprises: a casing (1) rotated by an external power; a first shaft (9) rotatably supported by the casing: a second shaft (11) rotatably supported by the casing; a first side gear (17) formed integral with the first shaft: a secon... | 11/24/1998 |
