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| Number | Title | Issue Date |
| 8172712 | Compact power transfer unit for transaxle applications The present invention provides a system for providing an improved compact power transfer unit for use in motor vehicles having a front wheel drive transverse based engine and transaxle, and, more particularly, to a power transfer unit for use with a transaxle arrang... | 05/08/2012 |
| 7922615 | Two-speed transfer case with ballramp clutch actuator A transfer case is provided with a range unit, an interaxle differential, a clutch assembly and a power-operated actuation mechanism. The range unit includes a planetary gearset driven by an input shaft, and a synchronized dog clutch assembly for releasably coupling... | 04/12/2011 |
| 7819771 | Asymmetrical, active axle transmission The invention relates to an asymmetrical, active axle transmission with an epicyclic gear system, which is arranged concentrically to a side shaft (7) and has a planet carrier (17). To achieve an active yaw function, the planet carrier (17) or t... | 10/26/2010 |
| 7699740 | Friction coupling with actuator and plate spring A friction coupling assembly includes: a ball ramp assembly (2) with two coaxial discs (6, 7), wherein the faces (8, 9) of the two discs (6, 7) each have ball grooves (12, 13) of increasing depth, wherein pairs of opposed ball groo... | 04/20/2010 |
| 7549940 | Power transmitting device for vehicle A power transmitting device for a vehicle for transmitting a driving force from a driving source to right and left axles. The power transmitting device includes a housing, a planetary gear type speed reducing mechanism connected to the driving source, a differential... | 06/23/2009 |
| 7540820 | Two-speed transfer case with ballramp clutch actuator A transfer case is provided with a range unit, an interaxle differential, a clutch assembly and a power-operated actuation mechanism. The range unit includes a planetary gearset driven by an input shaft, and a synchronized dog clutch assembly for releasably coupling... | 06/02/2009 |
| 7445575 | Positive clutch with staggered teeth height A drive train having an axle assembly with a differential and a multi-speed transmission outputs rotary power to an input pinion of the differential. The multi-speed transmission includes a positive or dog clutch with teeth having staggered heights. The staggered to... | 11/04/2008 |
| 7429227 | Vehicular driving force distribution device In a vehicular driving force distribution system, a left or right torque distribution clutch is selectively engaged to lock a carrier member or a sun gear of a planetary gear mechanism, whereby torque can be distributed between left and right wheels. Also, if a diff... | 09/30/2008 |
| 7425183 | Transfer case for regenerative hydraulic drive A regenerative drive system for heavy duty vehicles such as truck tractors having a conventional internal combustion engine and transmission includes a regenerative hydraulic motor and a transfer case. The transfer case has a chain drive coupling the output of the h... | 09/16/2008 |
| 7416505 | Two-speed all-wheel drive system A drive train for a vehicle having an axle and a multi-speed drive unit. The axle includes a housing and a differential with an input pinion. The drive unit includes a planetary transmission, a drive unit housing and a dog clutch that is employed to selectively oper... | 08/26/2008 |
| 7399251 | Two-speed transfer case A transfer case includes a two-speed range unit, a mode clutch, an actuation mechanism and a control system. The actuation mechanism includes an electric motor, an actuator shaft driven by the motor, a range actuator assembly and a mode actuator assembly. The range ... | 07/15/2008 |
| 7390281 | Gearbox for motor vehicles Method and arrangement for providing a range gearbox with a planetary gear (1) for a motor vehicle that is configured to be connected to the output side of a basic gearbox. The ring gear (18) of the planetary gear is axially displaceable. The ring gear... | 06/24/2008 |
| 7384357 | Speed reduction gear train with planetary differential for electric motor axle drive An electric drive unit for a vehicle includes an electric motor, two output shafts, a first speed reduction planetary gearset driven by the motor, a second speed reduction gearset driven by an output of the first gearset, and a compound planetary differential gearse... | 06/10/2008 |
| 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 |
| 7339300 | Structural support member for stator retention and method of assembling an electromechanical transmission An electromechanical transmission includes a motor/generator having a stator and a rotor and including a structural support member that supports the stator in fixed relation thereto and the rotor in rotational relation thereto. By supporting both the stator and the ... | 03/04/2008 |
| 7326144 | Vehicle transmission systems A vehicle transmission system includes an input shaft connected to a differential mechanism, which has two output shafts. The two output shafts carry first and second coaxially mounted sun wheels, respectively, of an epicyclic gear system which mesh with first and s... | 02/05/2008 |
| 7316156 | Limited slip differential performance simulation procedure A method of simulating a split μ axle test for limited slip differentials for automotive applications. The method includes treating a clutch pack for a limited slip differential in a lubricant composition for a first period of time at a predetermined temperature. T... | 01/08/2008 |
| 7314315 | Gearbox for cold metal cutting machine Improved serviceability of cold metal cutting machines is accomplished in a modified gearbox structure enabling several annular components that are conventionally attached by press-fit to be attached instead by slide-fit for easy removal and replacement, eliminating... | 01/01/2008 |
| 7294085 | Three stages differential assembly and method of operating the same Differential assembly and a method of operating the same. The assembly includes a differential case and a pinion housing including a first pinion gear and a second pinion gear positioned substantially therein. A first side gear and a second side gear are operably co... | 11/13/2007 |
| 7294081 | Drive unit for a vehicle seat In a drive unit (10) for vehicle seat, in particular for a motor vehicle seat, having at least one motor (12) and at least one gear stage (14) provided on the output side of the motor (12), the gear stage (14) is designed as a swit... | 11/13/2007 |
| 7291082 | Automatic gearbox The invention relates to an automatic gearbox, especially for a motor vehicle, comprising a drive shaft (7), a driven shaft which is non-coaxially arranged on the drive shaft (7), a planetary gearbox which is non coaxial in relation to the drive shaft ... | 11/06/2007 |
| 7278949 | Planetary transmission Proposed is a planetary transmission (8) comprising an internal gear (24), a sun gear (52) and a planet carrier (10), upon which at least one planet gear (20) is supported. The planetary transmission (8) possesses a clutch a... | 10/09/2007 |
| 7278946 | Power transfer device with overrunning mode clutch A controllable, multi-mode, bi-directional overrunning mode clutch and a shift system adapted for use in a power transfer assembly for transferring drive torque from a primary driveline to a secondary driveline so as to establish a four-wheel drive mode. The mode cl... | 10/09/2007 |
| 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 |
| 7258213 | Power transmission devices having torque transfer coupling with power-operated clutch actuator A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a second rotary member. The torque transfer mechanism includes a power-op... | 08/21/2007 |
| 7248957 | Control device for an at least partially four-wheel-driven motor vehicle In the case of a control device for an at least temporarily four-wheel-driven motor vehicle, having a control unit which can variably distribute the driving torque of a drive unit as a function of operating conditions to primary driving wheels, which are permanently... | 07/24/2007 |
| 7243564 | Power transmission system of engine The power transmission system of an engine is mounted on the all-terrain vehicle and has a crankshaft driven by the engine and the crankshaft is arranged in a direction of width of a vehicle body. A sub-shaft is arranged parallel to the crankshaft and the rotation o... | 07/17/2007 |
| 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 |
| 7232398 | Method for converting a non-driven tag axle system to a driven axle system A method for converting a non-driven tag axle system to a driven axle system is disclosed where a forward driven axle system is converted to drive an interaxle drive shaft. The interaxle drive shaft is connected to a drive axle head mounted within the tag axle housi... | 06/19/2007 |
| 7229378 | Shift system for transfer case A transfer case having an input shaft driven by a powertrain, a first output shaft adapted for connection to a first driveline and a torque transfer mechanism. The torque transfer mechanism includes a friction clutch assembly operably disposed between the first outp... | 06/12/2007 |
| 7220200 | Electrically variable transmission arrangement with spaced-apart simple planetary gear sets An electrically variable transmission is provided including an input member to receive power from an engine; an output member connected to a transfer gear; first and second motor/generators; and first and second simple planetary gear sets each having first, second a... | 05/22/2007 |
| 7222012 | Axle torque based powertrain braking with range selection for coordinated torque control (CTC) A powertrain braking system for a vehicle includes an powerplant that can be regulated to provide a desired powerplant torque and a transmission that transfers the desired powerplant torque at one of a plurality of gear ratios to provide a desired axle torque. A con... | 05/22/2007 |
| 7211019 | Torque vectoring drive mechanism having a power sharing control system A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a second rotary member. The torque transfer mechanism includes a clutch a... | 05/01/2007 |
| 7207232 | Continuously variable transmission, and a transfer case including a continuously variable transmission A continuously variable transmission including a drive element rotatable about a drive axis, an output element rotatable about an output axis parallel to the drive axis, and an adjusting mechanism with which the drive axis and the output axis can be laterally offset... | 04/24/2007 |
| 7198587 | Transmission with selectable braking one-way clutch A multi-speed transmission is provided with a selectable (reversible) braking one-way clutch operative to brake rotation of a member of a planetary gear set of the transmission when the transmission is in reverse and first speed. First and second rotating input clut... | 04/03/2007 |
| 7191855 | Rotary engine with improved hybrid features A hybrid engine including an electric motor, a rotary internal combustion engine, and an electric generator incorporating a clutch and translator unit to drive the generator at a ratio greater than 1:1 during vehicle slowing and at a 1:1 ratio rate at other times in... | 03/20/2007 |
| 7189179 | On-demand two-speed transfer case with sliding annulus planetary gearset An on-demand two-speed transfer case is equipped with a planetary gearset and a range shift mechanism to provide high-range and low-range drive connections. The range shift mechanism is arranged to concurrently move two components of the planetary gearset and can be... | 03/13/2007 |
| 7175557 | Torque vectoring device having an electric motor/brake actuator and friction clutch A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a second rotary member. The torque transfer mechanism includes a clutch a... | 02/13/2007 |
| 7172528 | Transfer case with overdrive/underdrive shifting A transfer case for a vehicle that includes a planetary gear assembly, a clutch pack assembly, and a band and drum assembly that provide an overdrive or underdrive and direct drive in combination with a vehicle transmission. In one embodiment, an input shaft drives ... | 02/06/2007 |
| 7160221 | Gearbox for motor vehicles Method and arrangement for providing a range gearbox with planetary gear (1) for motor vehicles, intended to be connected to the output side of a basic gearbox. The ring gear (18) of the planetary gear is axially displaceable. The ring gear (18)... | 01/09/2007 |
