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| Number | Title | Issue Date |
| 8152679 | Rotary units, rotary mechanisms, and related applications The invention relates to rotary units and rotary mechanisms that are suitable for use in numerous applications. Rotary units typically include rotational components that are configured to rotate. In some embodiments, for example, multiple rotary units are assembled ... | 04/10/2012 |
| 8152678 | Hybrid differential gear device, differential case therefor and assembling method of differential case It is an object of the present invention to provide a hybrid differential gear device achieving the small and light devices as a whole and easy assembling of a differential case. A hybrid differential gear device has a first differential gear mechanism 2 | 04/10/2012 |
| 7993234 | Transmission and transport device including train using the transmission A transmission and a motor or non-motor type transport device including a cross-coupling power train using the transmission, such as chainless bicycle or wagon with two or four wheels are disclosed. The transmission includes a coarse adjustment gearshift of internal... | 08/09/2011 |
| 7828686 | Yaw assembly for a rotatable system and method of assembling the same A yaw drive assembly for a rotatable system includes an input shaft configured to receive a torque from a yaw drive motor coupled within a body of the rotatable system, wherein the torque facilitates rotating the rotatable system about a yaw axis. The yaw drive asse... | 11/09/2010 |
| 7749124 | Vehicle differential gear device, vehicle combined differential gear device and vehicle differential case A vehicle differential gear device has: a differential case having a plurality of pinion gear insertion holes and a side gear passage hole; a plurality of shaftless type pinion gears that are rotatably supported in the plurality of pinion gear insertion holes formed... | 07/06/2010 |
| 7658692 | Double differential assembly for a motor vehicle driven by a plurality of axles A double differential assembly having a first differential drive (3) with a differential carrier (5) drivable around an axis of rotation (A), a plurality of first differential gears (6) rotatably supported therein, as well as two output gears ( | 02/09/2010 |
| 7601089 | Power transfer unit with torque vectoring drive mechanism 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... | 10/13/2009 |
| 7568992 | Self-adjusting positive engagement continuous variable transmission A two-stage, continuously variable transmission used to power a machine, incorporates self-adjusting features while ensuring a positive engagement. Power from an engine is transferred via a rotatable shaft of a first stage, which engages with a first stage different... | 08/04/2009 |
| 7553251 | Power divider A power divider for a motor vehicle with a first and a second driven axle, with an input member which is connectable to the output of a drive unit, with a transverse differential for the first driven axle and an output member which is connectable to the second drive... | 06/30/2009 |
| 7503866 | Axle assembly with torque vectoring drive mechanism A drive axle assembly includes a pair of axelshafts connected to a pair of wheels and a drive mechanism for selectively coupling a driven input shaft to one or both of the axelshafts. The drive mechanism includes first and second drive units that can be selectively ... | 03/17/2009 |
| 7500934 | Drive system and method of assembly thereof A drive system comprises a one-piece differential carrier housing an input assembly, a power divider, a hollow pinion gear and a wheel differential. A through shaft is concentric with, but rotates independently of, the hollow pinion gear. The input assembly, the pow... | 03/10/2009 |
| 7491146 | Torque distributing drive assembly for motor vehicles A drive axle assembly includes first and second axleshafts and a drive mechanism coupling a driven input shaft to the axleshafts. The drive mechanism includes a differential assembly, a planetary gear assembly operably disposed between the differential assembly and ... | 02/17/2009 |
| 7442143 | Drive module for a variable torque distribution A drive module (5, 6) for a variable torque distribution in the driveline of a motor vehicle. The drive module (5, 6) has a first shaft (19) rotatably supported relative to a stationary housing (18); a second shaft (22) which is dr... | 10/28/2008 |
| 7410440 | 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... | 08/12/2008 |
| 7407458 | In-line drivetrain and four wheel drive work machine using same A four wheel drive articulated mine loader is powered by a fuel cell and propelled by a single electric motor. The drivetrain has the first axle, second axle, and motor arranged in series on the work machine chassis. Torque is carried from the electric motor to the ... | 08/05/2008 |
| 7384362 | Gear-type continuously variable transmission All power generating member for generating a torque needs a transmission for randomly controlling the torque. Most of current transmission utilizes the engagement of gears having different gear rates or frictions as a medium. The transmission according to the engage... | 06/10/2008 |
| 7381145 | Apparatus for opening and closing cover An activating device for a cover has: a shaft unit having a rotary shaft; an arm unit which is coupled to the cover and the rotary shaft; and an actuator which drives the rotary shaft. The actuator has: a motor having a first output portion; a first reducer having a... | 06/03/2008 |
| 7367917 | Shift change control system and automatic transmission system of automobile An automotive shift change control system and automatic transmission system is provided to give passengers a comfortable feeling of shift changing or of driving. A transmission connects a vehicle-driving engine, an electrical rotary machine, and axles via a differen... | 05/06/2008 |
| 7361113 | Torque distributing drive unit for motor vehicles A drive axle assembly includes a pair of axleshafts connected to a pair of wheels and a drive mechanism for selectively coupling a driven input shaft to one or both of the axleshafts. The drive mechanism includes first and second drive units that can be selectively ... | 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 |
| 7357401 | Steering system for automotive vehicles A steering system for a vehicle having a body supported on at least two sets of steerable wheels, generally consisting of a steering shaft provided with a wheel, supported on such body; a torque transmitting main shaft supported longitudinally on the body; means ope... | 04/15/2008 |
| 7357747 | Apparatus for differential power distribution A steering drive mechanism utilizes a pair of planetary gear arrangements between the input (or engine drive shaft) and the output shafts driving each wheel of a vehicle. The input is supplied to each sun gear in equal magnitude but opposite direction to account for... | 04/15/2008 |
| 7354373 | Vehicle drive unit, and four-wheel-drive vehicle drive unit A vehicle drive unit including (a) a transversely-mounted engine, (b) a transmission receiving an output of the engine and having an output shaft, and (c) a differential gear device including a ring gear and arranged to transmit an output of the transmission to a pa... | 04/08/2008 |
| 7350501 | Planetary rotary internal combustion engine An apparatus for a rotary internal combustion engine. The engine has three rotating members that orbit about the center of a three-armed rotor as the rotor rotates within a housing with three lobes. The tips of the rotating members engage the lobes and a circular cu... | 04/01/2008 |
| 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 |
| 7344469 | Torque distributing drive mechanism with ravigneaux gearset A drive axle assembly includes first and second axleshafts and a drive mechanism coupling a driven input shaft to the axleshafts. The drive mechanism includes a differential assembly, a planetary gear assembly operably disposed between the differential assembly and ... | 03/18/2008 |
| 7338404 | Drive assembly for variable torque distribution A drive assembly (1) includes a differential (3) with a differential carrier (7) and two output shafts (19) connected to the differential carrier (7) via a differential gear set (10). The assembly includes at least one trans... | 03/04/2008 |
| 7337869 | Hydraulic hybrid vehicle with integrated hydraulic drive module and four-wheel-drive, and method of operation thereof A vehicle includes an integrated drive module coupled to an axle thereof. The module includes a hydraulic motor configured to provide motive power at an output shaft, and a differential for distributing the motive power to right and left portions of the axle. The hy... | 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 |
| 7331897 | Active shift transmission, transmission control unit and automobile The object of the invention is to provide a less expensive active transmission control system for an automobile, capable of disconnecting an engine, without increasing the number of dog clutches. In an active shift transmission, a second intermediate shaft is... | 02/19/2008 |
| 7331896 | Torque control system for all-wheel drive drivetrain A drivetrain of an all-wheel drive motor vehicle provided for selective actuation and control of the torque distribution between first and second drive axle assemblies to match various vehicle operating conditions. The drivetrain comprises a power drive unit includi... | 02/19/2008 |
| 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 |
| 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 |
| 7311631 | Differential device and drive power transmission unit using the same The number of the teeth of a second sun gear is slightly different from that of a first sun gear. A first planetary gears mesh with both the first sun gear and the second sun gear. A first carrier supports the first planetary. The number of the teeth of a third sun ... | 12/25/2007 |
| 7311633 | Vehicular four-wheel drive unit A vehicular drive unit comprises a central differential mechanism and a front-wheel side axle differential mechanism. The central differential mechanism comprises a first planetary gear train 10, which includes an output gear body 50, a first carrier | 12/25/2007 |
| 7309301 | Transaxle having a differential mechanism and on-demand transfer clutch A powertrain for transmitting power to the drive wheels of a vehicle includes a transaxle case containing a transaxle drive mechanism for producing variable ratios of a speed of its output and a speed of its input, a differential mechanism for transmitting power bet... | 12/18/2007 |
| 7306536 | Tandem axle system A tandem axle system for vehicle having an optimized inter-axle driveline is depicted and described. The system has a forward drive axle system having a forward pinion gear drivingly connected to a drive side of a forward portion of a forward ring gear. The system a... | 12/11/2007 |
| 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 |
| 7294082 | Powertrain arrangement for a skid-steer vehicle A powertrain arrangement for selectively operating a vehicle in a skid-steer configuration is provided. The arrangement includes an engine coupled to a differential. A first torque transfer mechanism is coupled to a coupling mechanism and arranged to drive a first s... | 11/13/2007 |
| 7291083 | Inter-axle differential assembly An inter-axle differential assembly includes a forward side gear and a rear side gear that are supported by an input shaft. The forward and rear side gears are in meshing engagement with a plurality of inter-axle differential pinion gears that are supported on a spi... | 11/06/2007 |
