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| Number | Title | Issue Date |
| 7458911 | Drive system for motor vehicle A drive system designed to use a vehicle's existing hydraulic system to operate a controllable limited slip differential assembly. The limited slip differential assembly may be associated with the front axle, the rear axle, or the driveline between the front and rea... | 12/02/2008 |
| 7370550 | Power take-off unit A power take-off unit includes an input shaft for operative connection to a source of motive power and a first drive gear operatively mounted to the input shaft and having a first set of drive teeth. The power take-off unit also includes a second drive gear having a... | 05/13/2008 |
| 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 |
| 7337886 | Torque transfer mechanisms with power-operated clutch actuator A torque coupling for use in a power transfer device. The torque coupling includes a friction clutch and a clutch actuator. The clutch actuator controls engagement of the friction clutch and has a first actuator plate rotatable about an axis, a second actuator plate... | 03/04/2008 |
| 7334670 | Torque vectoring differential for controlling vehicle stability A magnetorheological (MR) fluid coupling for vectoring torque with respect to a shaft capable of rotary motion is disclosed. The coupling includes a stator, a rotor having a rotational degree of freedom with respect to the stator and configured for physical communic... | 02/26/2008 |
| 7337053 | Stability-enhanced traction control with electrically controlled center coupler A control system for a vehicle having first and second axles is provided that includes a coupling apparatus adapted to distribute torque between the first and second axles and a traction controller for controlling operation of the differential apparatus from vehicle... | 02/26/2008 |
| 7326145 | Differential for motor vehicles with device for locking thereof A differential for motor vehicles installed between two half-shafts on which two drive wheels are keyed includes a box driven by the engine by a connecting element which causes it to rotate about axes of the half-shafts, on free ends of the latter there being keyed ... | 02/05/2008 |
| 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 |
| 7278947 | Power transfer unit for four-wheel drive vehicle A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts. The drive mechanism includes a differential, first and speed changing... | 10/09/2007 |
| 7278943 | Power transmission device with electrohydraulic clutch actuator A torque transfer mechanism having a multi-plate friction clutch connecting a pair of rotary members and an electrohydraulic clutch actuator for controlling engagement of the friction clutch. The clutch actuator includes a hydraulic pump, a hydraulically-actuated ro... | 10/09/2007 |
| 7252184 | Transfer gearbox A transfer case (12) for distributing a driving torque of an input shaft (19) between two drivable output shafts (22, 29) is described. The transfer case (12) is realized with two controllable and adjustable frictionally engaged clutches ... | 08/07/2007 |
| 7238134 | Torque vectoring drive axle assembly A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts. The drive mechanism includes a differential, a speed changing unit op... | 07/03/2007 |
| 7211017 | Inter-axle differential lock shift mechanism An improved inter-axle differential locking clutch is provided that aligns the actuator and the clutch member thereby reducing space and material requirements in the axle assembly housing. The clutch also eliminates the need for a pushrod and shift fork thereby redu... | 05/01/2007 |
| 7205760 | Beam axle with integral sensor mount and target A vehicle axle assembly having an axle housing, an axle shaft and a sensor. The axle housing has a tubular portion. A flat is formed on an annular wall of the tubular portion proximate a distal end of the tubular portion. A hole, which intersects the flat, is formed... | 04/17/2007 |
| 7192376 | Axle driving apparatus An axle driving apparatus comprises a housing. The housing contains a hydrostatic transmission, a differential unit driven by the hydrostatic transmission, a pair of axles mutually differentially connected through the differential unit, and a restricting mechanism f... | 03/20/2007 |
| 7152720 | Automated inter-axle differential lock actuation sensing method The present invention relates to an automatic inter-axle differential lock actuation sensing method for a vehicle having a tandem drive axle. The inter-axle differential lock actuation sensing method comprises providing a clutch locking mechanism of an inter-axle di... | 12/26/2006 |
| 7134980 | Integrated torque and roll control system An integrated control system for a motor vehicle including at least one drive axle having left and right axle shafts each provided with a wheel mounted thereon. The integrated control system comprises a vehicle torque control system, a vehicle body roll control syst... | 11/14/2006 |
| 7104912 | 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... | 09/12/2006 |
| 7101304 | Electric shift transfer case The present invention provides a shift mechanism disposed in a housing for providing operable communication between a shift actuator and a shift sleeve. The shift mechanism generally includes a shift rail, a shift fork, a first biasing member, and a second biasing m... | 09/05/2006 |
| 7086978 | Power transmission system and operation method therefor Between a speed reducing mechanism (15, 17, 19) for speed-reducing drive power of an electric motor and a differential apparatus (7) for distributing speed-reduced drive power to axle ends is disposed a clutch (5) configured for interruptive tra... | 08/08/2006 |
| 7086984 | Differential lock mechanism A differential lock mechanism for use in a vehicle and having a cam mechanism that may be actuated by the vehicle user. The cam mechanism transfers rotational movement to linear movement along the axis of the vehicle axles to move an engagement mechanism into or out... | 08/08/2006 |
| 7086980 | Combination of drive power transmission device and differential gear and manufacturing method therefor Disclosed are a combination of a drive power transmission device and a differential gear, which combination is decreased in the number of parts, increased in rigidity and reduced in weight as well as in manufacturing cost, and a method of manufacturing the combinati... | 08/08/2006 |
| 7059990 | Torque vectoring drive axle assembly A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts. The drive mechanism includes a differential, a speed changing unit op... | 06/13/2006 |
| 7059991 | Torque vectoring limited slip differential assembly A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts. The drive mechanism includes a differential, first and speed changing... | 06/13/2006 |
| 7031819 | Device and method for influencing the operating mode of at least one vehicle stabilizing device arranged in a vehicle A plurality of vehicle stabilizing devices which operate according to different strategies and which actuate, independently of the driver, brake actuators which are assigned to the vehicle wheels, in order to stabilize the vehicle are arranged in the vehicle. The ve... | 04/18/2006 |
| 7017702 | Transport engine and drive arrangement A parallel engine and transmission drive arrangement with application to both land and marine vehicles reduces the large moment arm and moment about the rear axle in the case of land vehicles, and provides trim and stability and compact arrangement of the drive arra... | 03/28/2006 |
| 7008345 | Planetary differential A planetary differential including a differential case rotatable about an axis and a method of manufacturing thereof. The differential case includes a cover, a housing, an annulus gear, and a ring gear. The differential case defines a differential cavity having a cl... | 03/07/2006 |
| 7004870 | Integrated torque and roll control system An integrated control system for a motor vehicle including at least one drive axle having left and right axle shafts each provided with a wheel mounted thereon. The integrated control system comprises a vehicle torque control system, a vehicle body roll control syst... | 02/28/2006 |
| 7004876 | Torque vectoring limited slip differential assembly A drive axle assembly includes first and second axleshafts connected to a pair of wheels and a drive mechanism operable to selectively couple a driven input shaft to one or both of the axleshafts. The drive mechanism includes a differential, first and speed changing... | 02/28/2006 |
| 6997841 | Lubrication pump for inter-axle differential An inter-axle differential assembly comprises an input shaft, an output shaft arranged coaxially with respect to each other, differential gearing and a dedicated reversible lubrication pump disposed between the input and output shafts. The reversible gerotor type lu... | 02/14/2006 |
| 6991572 | Differential locking mechanism for a drive axle assembly A drive axle assembly (10) includes a carrier (24) for supporting a differential case (22) with axle shafts (14, 16) extending therethrough and rotatable with the differential case (22) relative to the carrier (24). A plural... | 01/31/2006 |
| 6978746 | Method and apparatus to control a variable valve control device The present invention provides an improvement over conventional engine control systems for variable valve control devices for the valvetrain in that it provides a substantially closed-circuit hydrostatic fluid control system and accompanying method to improve respon... | 12/27/2005 |
| 6969333 | Motor power train and method of assembling the same A motor power train which includes a reducer for amplifying motor drive torque, a differential device with a clutch mechanism and a differential gear unit to allocate the drive torque to wheels, and a casing for housing them. The reducer includes a first shaft as an... | 11/29/2005 |
| 6966396 | Electronically-controlled rear drive module for all-wheel drive system A drive axle assembly for an all-wheel drive vehicle includes an adaptively controlled first hydraulic coupling for providing front-to-rear torque transfer control to a first wheel and an adaptively controlled second hydraulic coupling for providing front-to-rear to... | 11/22/2005 |
| 6942055 | Electronically-controlled rear module for all-wheel drive system A drive axle assembly for an all-wheel drive vehicle includes an adaptively controlled first hydraulic coupling for providing front-to-rear torque transfer control to a first wheel and an adaptively controlled second hydraulic coupling for providing front-to-rear to... | 09/13/2005 |
| 6923083 | Shift manipulating device for an automatic transmission A shift manipulating device for an automatic transmission includes a shift lever of an automatic transmission device and a path formed on an upper cover of a control switch device. The path includes manipulating positions arranged in at least P range, R range, N ran... | 08/02/2005 |
| 6905008 | Electromagnetic clutch assembly having solenoid type operator An electromagnetic clutch assembly having a solenoid activated ball ramp operator provides reduced power consumption and improved control. The electromagnetic clutch assembly includes a primary or pilot friction clutch pack and a secondary or main friction clutch pa... | 06/14/2005 |
| 6902506 | Limited slip differential with integrated solenoid valve and plenum An apparatus and method for controlling a limited slip differential uses a solenoid operated valve having an armature attached a differential case of the differential for rotation therewith, and an actuating coil operatively attached to a non-rotating differential h... | 06/07/2005 |
| 6830122 | Vehicle yaw management system with driveline torque control A yaw management system for a vehicle with driveline torque control is comprised of sensors to determine the rate of change of yaw in the vehicle, a controller for receiving information from the sensors, and a means for using that information to selectively transfer... | 12/14/2004 |
| 6692396 | Solenoid actuated variable pressure relief valve assembly for limited slip differential assembly A differential assembly for a motor vehicle comprises a differential case rotatably supported in an axle housing, opposite output shafts drivingly connected to the differential case, a friction clutch pack for controlling the differential action, and a hy... | 02/17/2004 |
