Planetary gear transmission systems or components inventions 10/07

20070249453 - Electric power steering device for vehicles applying assist power to rotary member surrounding tie rod connecting bar: To construct an electric power steering device in which the assist power decreases only the torque required for rotating the steering wheel, while the control of the steering angle of the steered wheels follows basically the rotation of the steering wheel by the driver, except when the steering angle of... Agent: Oliff & Berridge, PLC

20070249454 - Hydromechanical variable speed transmission: A hydromechanical variable speed transmission (1) including outer and inner differential gear trains each having a carrier carrying planet pinions meshing with two coaxial side gears, the side gears of the outer differential gear train being ring gears one of which is an input ring gear (11) and the other... Agent: Welsh & Katz, Ltd

20070249455 - Working vehicle: In a working vehicle, a variable output HST and a planetary gear unit are connected with an engine, which is supported on a vehicle frame closer to a first side of a fore and aft direction of the vehicle in vibration free manner so as to together constitute a driving-side... Agent: Wood, Phillips, Katz, Clark & Mortimer

20070249456 - Drive device for motor vehicles: The invention concerns a drive device for motor vehicles, comprising a drive assembly which acts via a differential gear on two output shafts, an arrangement being provided at the level of the output shafts, with a superposition gear connected therebetween, by means of which the drive torque from one output... Agent: Stevens Davis Miller & Mosher, LLP

20070249457 - Self-contained rotary actuator: A self-contained rotary actuator provides motive power in automated mechanical systems and includes a cross-roller bearing operating as a structural joint. An outer attachment shell rigidly interfaces the automated mechanical system and contains a motor stator and an internal bull gear. The internal bull gear interfaces the cross-roller bearing and... Agent: HulseyIPIntellectual Property Lawyers, P.C.

20070249458 - Pinion shaft and differential housing assembly: The present invention provides a differential housing assembly having a pinion shaft positioned therein. The differential housing assembly is capable of imparting torque to at least a pair of axle shafts of, for example a vehicle. The pinion shaft has a relief portion for receiving a portion of at least... Agent: Mcdonald Hopkins LLC

20070249459 - Over-center linkage for engaging a locking differential or other mechanism: The present invention includes novel apparatus and methods for engaging and disengaging a locking differential. In an embodiment, an assembly for use with a locking differential is provided. The assembly includes an actuator, a housing, a shaft, a pair of biasing members, a side gear, and a locking pin. The... Agent: Mcdonald Hopkins LLC

20070249460 - Planetary gear train: A planetary gear train having planetary gears (8) which are rotatably mounted on a planet carrier (18) and are in toothed contact with an internally toothed ring gear (14) and a sun gear (4). For a simplified, process-safe and inexpensive backlash of the planetary gears (8) without axial displacement of... Agent: Davis & Bujold, P.l.l.c.

20070243965 - Electro-mechanical transmission: A hybrid electromechanical transmission for a tracked vehicle includes a drive motor and a steer motor with separate propulsion paths to output members of the transmission. A two-speed range package is provided, including an input planetary gear set and first and second clutches. The first and second clutches are selectively... Agent: Christopher Devries General Motors Corporation

20070243966 - Hybrid power transmission: A hybrid powertrain includes a hybrid transmission having an engine input and two motor/generator units, which are interconnected by a planetary gear mechanism and three selectively engageable torque-transmitting mechanisms to establish three modes of transmission operation including an input split mode, a first compound split mode, and a second compound... Agent: Christopher Devries General Motors Corporation

20070243967 - Oscillating internally meshing planetary gear system: An oscillating internally meshing planetary gear system is provided in order to improve basic performance and reduce cost at the same time. The oscillating internally meshing planetary gear system has an internal gear and external gears internally meshing with the internal gear and is configured such that one of the... Agent: Squire, Sanders & Dempsey L.L.P.

20070243968 - Transmission apparatus: A transmission apparatus can perform a shift operation quickly without generating tooth contact and gear noise when shifting to a nonsynchronized gear train. The apparatus includes a first clutch; a first and a second input shaft; an output shaft; a planetary gear mechanism having a first and a second planetary... Agent: Sughrue Mion, PLLC

20070238567 - Power transmitting apparatus: A differential mechanism 3 is contained and supported at inside of a bell housing 7 integrally provided to a transmission case 11 of a transmission 9 to constitute a common lubrication environment. A limited slip differential mechanism 5 for limiting differential movement of the differential mechanism 3 is made to... Agent: Osha Liang L.L.P.

20070238568 - Cam-based infinitely variable transmission: A cam based infinitely variable transmission incorporation a ratcheting drive mechanism with one set of planetary gears and a cam with two followers mounted on a carrier with said gears and adapted to in infinitely variable in output but maintain a uniform output for a given uniform input. The followers... Agent: James W. Hiney, Esq.

20070238569 - Cvt having low holding position and overdrive holding position: A transmission including a primary shaft rotatably supported, a drive pulley mounted on the primary shaft, a secondary shaft rotatably supported, a driven pulley mounted on the secondary shaft, a belt wrapped between the drive pulley and the driven pulley, a first output shaft rotatably supported, a second output shaft... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070238570 - 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 (7, 8) which are coaxially arranged relative to the axis of rotation... Agent: Dickinson Wright PLLC

20070238571 - Gear mechanism, planetary gear device, rotating bearing device, and magical planetary gear speed reducer: A gear mechanism having extremely less backlash, capable of suppressing the rattling noise of gears, having a large loading resistance in the thrust direction, and capable of transmitting high torque by using the gears transmitting a force by the meshing of the gears with each other in place of the... Agent: Kanesaka Berner And Partners LLP

20070238572 - Differential assembly for a work machine: A differential assembly for a work machine includes a ring gear, first and second differential side gears and a plurality of pinions configured to mesh with the first and second side gears, and mounted on at least one pinion support pin. An inner differential housing is rotatably supported by an... Agent: Caterpillar C/o Liell & Mcneil Attorneys PC

20070238573 - Multistage transmission: The multi-speed transmission having rotatable shafts, planetary gearsets (RS1, RS2, RS3, RS4) and shifting elements (A, B, C, D, E). Carrier (ST4) of gearset (RS4) and the input shaft couple as shaft (1). Carriers (ST2, ST3) of respective gearsets (RS2, RS3) and the output shaft (AB) couple as shaft (2).... Agent: Davis & Bujold, P.l.l.c.

20070238574 - Multi-speed transmission: A multi-speed transmission with forward and reverse gears having input and output shafts, planetary gearsets, other shafts and control elements. The input shaft is connected to the sun gear of planetary gearset (P2) and is connected to shaft (3) and to shaft (4). Shaft (3) is connected to the carrier... Agent: Davis & Bujold, P.l.l.c.

20070238575 - Planet carrier assembly: A planet carrier assembly has staking pockets for retention of the pinion pins. The staking pockets are substantially rectangular when viewed from the top view but display a ramp angle when viewed from the side view. The shape of the pocket provides for improved pinion pin retention within the planet... Agent: Christopher Devries General Motors Corporation

20070232432 - Automatic transmission: An automatic transmission includes a planetary gear arrangement, and a plurality of engaging elements each arranged to vary an engagement state among the rotating elements of the planetary gear arrangement in such a manner to establish a normal gear ratio set and an emergency gear ratio set excluded from the... Agent: Foley And Lardner LLP Suite 500

20070232433 - Oscillating internally meshing planetary gear reducer: To provide an oscillating internally meshing planetary gear reducer capable of realizing a low cost and a high speed reduction ratio, the oscillating internally meshing type planetary gear reducer is constituted so as to include: an input shaft provided with an input gear which is circumscribed and meshed with a... Agent: Squire, Sanders & Dempsey L.L.P.

20070232434 - 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 provided between a transmission input shaft connected with an engine... Agent: Crowell & Moring LLP Intellectual Property Group

20070232435 - Two speed transmission and belt drive system: A two speed transmission and belt drive system utilizing the transmission. The two speed transmission comprises a planetary gear train comprising an input pulley connected to an input carrier, and a sun gear and a ring gear. The input carrier also comprises a plurality of planetary gears disposed between the... Agent: Jeffrey Thurnau The Gates Corporation

20070232436 - Multi-speed automatic transmission for private cars or commercial vehicles: A multi-speed automatic transmission for private cars or commercial vehicles includes input and output shafts, two power paths, a double planetary gear train, first and second brakes. The first power path has a first speed ratio and includes first and second clutches. The second power path has a second speed... Agent: Young & Thompson

20070232437 - Multi-speed transmission: An eight-gear transmission comprises an input and output shaft, four planetary gearsets, eight shafts and five shifting elements. A ring gear of the gearset (RS4) and the input shaft are coupled as the first shaft. A ring gear of the gearset (RS2), a carrier of the gearset (RS3), and the... Agent: Davis & Bujold, P.l.l.c.

20070232438 - Multi-speed transmission: An eight gear transmission having drive and output shafts, planetary gearsets, shafts and shifting elements. One carrier of the gearset (RS4) and the drive shaft are coupled to form shaft (1). One ring gear of the gearset (RS2), one carrier of the gearset (RS3) and the output shaft are coupled... Agent: Davis & Bujold, P.l.l.c.

20070232439 - Multi-speed transmission: The transmission has an input and output shaft, planetary gearsets, rotatable shafts, and shifting elements. A carrier of the gearset (RS4) and the input shaft are coupled to form the shaft (1). A ring gear of the gearset (RS2), a carrier of the gearset (RS3), and the output shaft are... Agent: Davis & Bujold, P.l.l.c.