Planetary gear transmission systems or components inventions 12/07

20070298924 - Electrically variable transmission having at least three planetary gear sets and one fixed interconnection: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first, second and third (and possibly fourth) differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, five, six or seven selectable torque-transfer devices and possibly a dog clutch.... Agent: General Motors Corporation Legal Staff

20070298923 - Electrically variable transmission having three planetary gear sets and clutched motor/generators: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first, second and third differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, up to five selectable torque-transfer devices and possibly a dog clutch. The selectable torque transmitting... Agent: General Motors Corporation Legal Staff

20070298925 - Fluid passage structure: A fluid passage structure includes a piston defining a piston chamber, a return spring to urge the piston in a direction decreasing a volume of the piston chamber, and a casing. The casing is formed with a fluid supply passage to supply a fluid pressure into the piston chamber. The... Agent: Foley And Lardner LLP Suite 500

20070298926 - Multi-speed transmissions with three interconnected gearsets: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least six forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having five torque-transmitting mechanisms and three interconnecting members. The powertrain includes an engine... Agent: General Motors Corporation Legal Staff

20070298927 - Power tool with planet type reduction gearing: A power tool having a rotation motor coupled to an output shaft (11) via a reduction gearing (13,14), wherein the reduction gearing (13,14) comprises at least one planetary gearing (14) with a sun gear (30), a ring gear (22), a planet wheel carrier (32) supporting two or more planet wheel... Agent: Frishauf, Holtz, Goodman & Chick, PC

20070293362 - Control device for vehicle drive apparatus: A control device is provided for a vehicle drive apparatus, which includes a differential mechanism distributing an output of an engine to a first electric motor and an output shaft, and an electric motor provided on the output shaft, for miniaturizing the drive apparatus and/or providing improved fuel economy while... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070293363 - Multi-stage automatic transmission: A multi-stage automatic transmission comprising a drive shaft (AN), a double planetary front mounted gear set (VS), a main gear set (HS) which is embodied as a coupled planetary gear set comprising at least three non-coupled input elements and an output element, in addition to six switch elements (A to... Agent: Davis & Bujold, P.l.l.c.

20070293364 - Drive axle with internal air shift mechanism: An air actuated shift mechanism is housed within a drive axle housing and can be used to actuate a two-speed shifter, or it can be used to actuate a differential locking mechanism. The air actuated shift mechanism includes a lock member and an engageable member that is selectively engaged by... Agent: Carlson, Gaskey & Olds, P.C.

20070293365 - Planetary gear with radial through-bore: A revolving gear arrangement has at least two toothed wheels, which are lubricated with oil or grease and which mesh together in a rolling gap, wherein at least one of them is a revolving gear which is rotatably mounted by means a slip fit joint on a bolt. The bolt-mounted... Agent: Maginot, Moore & Beck Chase Tower

20070287564 - Power train for hybrid electric vehicles and method of controlling the same: A power train for hybrid vehicles increases the range of the transmission gear ratio within which the efficiency of the power train is superior. The method of operating the power train varies depending on the transmission gear ratio, and thus the power train can be operated with superior efficiency.... Agent: Morgan, Lewis & Bockius LLP (sf)

20070287565 - Power train for hybrid electric vehicles and method of controlling the same: A power train for hybrid vehicles increases the range of the transmission gear ratio within which the efficiency of the power train is superior. Furthermore, the method of operating the power train varies depending on the transmission gear ratio, and thus the power train can be operated with superior efficiency.... Agent: Morgan, Lewis & Bockius LLP (sf)

20070287566 - Driving device and scanner: The driving device is provided with a motor, a pinion, a first gear, a second gear, and a frame. The frame has a motor side surface and a gear side surface, and includes a first portion and a second portion. A motor housing of the motor is fixed to and... Agent: Baker Botts LLP C/o Intellectual Property Department

20070287567 - Transmission: The present invention includes an input side transmission unit that transforms the rotation of the input shaft that rotates by receiving input rotation into N steps, and transmits the transformed rotation to the counter shaft; and an output side transmission unit that includes a first planet gear train and a... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070287568 - Axle having dual planetary reduction: An axle assembly for a motor vehicle includes a pair of axle half-shafts that are adapted to transfer rotational motion to a pair of spaced apart wheels. A differential is positioned between the axle half-shafts and a dual planetary gear set is positioned between and interconnects each axle half-shaft to... Agent: Deere & Company

20070287569 - Resiliently loaded side gears in a differential mechanism: A differential mechanism includes annular wave springs, each spring located between the back of a side gear and the inner surface of a differential casing. The spring is formed with waves that extend around the spring's circumference and radially across its width, each wave having an amplitude formed of angularly... Agent: Macmillan, Sobanski & Todd, LLC

20070287571 - Driving mechanism for garden machine: A driving mechanism for a garden machine includes a ring gear having a plurality of peripheral teeth on an inner periphery thereof. An input shaft includes a first end fixed to the ring gear to turn therewith and a second end coupled with a gear train in a gearbox of... Agent: Kamrath & Associates P.A.

20070287570 - Differential for a vehicle axle: A differential gear device (1) for a vehicle axle, having a differential carrier (2) and a differential lid (5), which are connected to a crown wheel. The differential carrier (2) is connected to the differential lid (5) and crown wheel (6) by a radial weld seam (7, 7′).... Agent: Davis & Bujold, P.l.l.c.

20070287572 - Automatic transmission: An automatic transmission having first and second groups of successive forward-drive positions for outputting a rotary motion a speed of which is higher than the speed of a rotary motion received from an input member, the first group being established by an engaging action of a first input clutch while... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20070287573 - Multi-speed transmission: The ring gear of the second gearset (RS2) and the input shaft couple to form a first shaft (1). The carrier of third gearset (RS3) and the output shaft form a second shaft (2). The sun gears of first and fourth gearsets (RS1, RS4) form a third shaft (3). The... Agent: Davis & Bujold, P.l.l.c.

20070287574 - Bicyce hub speed-change assembly: The present invention discloses a bicycle hub speed-change assembly having a planetary gear set disposed therein, a speed-change gear wheel separately disposed on both left and right sides of the planetary gear set, and a first ratchet jacket and a second ratchet jacket respectively disposed on the external side of... Agent: Birch Stewart Kolasch & Birch

20070287575 - Two speed gearbox: A universal two speed gearbox for driving high speed vehicles under high temperature operating conditions, and other devices which require variable operating two speed bearing thrust.... Agent: Marcus G Theodore, PC

20070287576 - Device for power transmission in a vehicle between a heat engine shaft and a wheel shaft: The invention concerns a device for power transmission, in a vehicle, between a heat engine shaft and a wheel shaft (5). The invention concerns essentially a device (1) for power transmission between a shaft (2) of a heat engine (3) and a shaft (4) of wheels (5). A mechanical assembly... Agent: Nicolas E. Seckel Patent Attorney

20070281815 - Hydrostatic mechanical gearbox: The invention relates to a hydrostatic mechanical traction gearbox having a continuously variable hydrostatic drive in which the hydrostatic drive has a hydrostatic pump driven by an internal combustion engine and a hydraulic motor driven by the pump, the pump and the hydraulic motor are positively coupled in an adjustable... Agent: Zarley Law Firm P.L.C

20070281817 - Automatic transmission of motor vehicle: A first data section is provided that has a given data actually used when a frictional element is operated under a manual shift mode for providing an engine brake, and a second data section is provided that is actually used when an automatic shift is carried out. A control unit... Agent: Foley And Lardner LLP Suite 500

20070281816 - Electro-hydraulic control system with interlock protection: An electro-hydraulic control system for a transmission is provided having first, second, and third selectively engageable torque transmitting mechanisms. The control system includes a main source of fluid pressure and first, second, and third trim valves operable to effect the engagement of respective first, second, and third torque transmitting mechanisms.... Agent: General Motors Corporation Legal Staff

20070281818 - Hypocycloidal gear train for varying the speed between two shafts and a bicycle having such a hypocycloidal gear train: a slider part (8), inserted between the plurality of gears (6) and the driven shaft (2) and able to move along the longitudinal direction of the driven shaft (2) between a plurality of positions, in each of which it on each occasion rigidly connects one of the gears (6) and... Agent: Pearne & Gordon LLP

20070281819 - Continuously variable planetary gear set: A continuously variable planetary gear set is described having a generally tubular idler, a plurality of balls distributed radially about the idler, each ball having a tiltable axis about which it rotates, a rotatable input disc positioned adjacent to the balls and in contact with each of the balls, a... Agent: Knobbe Martens Olson & Bear LLP

20070281820 - Multi-step transmission: A transmission includes planetary gearsets, shafts and shifting elements. A carrier of gearset (RS4) and the input shaft couple forming shaft (1). A carrier of gearset (RS3) and the output shaft couple forming shaft (2). A sun gear of gearsets (RS1, RS4) couple forming shaft (3). The carriers of gearsets... Agent: Davis & Bujold, P.l.l.c.

20070281822 - Electric hand tool device: The invention concerns an electric hand tool device comprising a drive motor and a driven shaft (36) for driving an electric tool, wherein a switchable planetary gear comprising two gear stages (12, 14) is provided between the drive motor and the driven shaft (36), wherein each gear stage (12, 14)... Agent: Dreiss, Fuhlendorf, Steimle & Becker

20070281821 - Multi-speed transmissions with a long pinion: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least six forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having up to seven torque-transmitting mechanisms and two interconnecting members. The powertrain includes... Agent: General Motors Corporation Legal Staff

20070281823 - Manual transmission and shift lug structure thereof: The present invention relates to a manual transmission and a shift lug structure thereof where a direct shifting from a first speed to a reverse speed can be is possible. In preferred aspects, a manual transmission of the invention may comprise: a transmission case; a main shaft; a hub coupled... Agent: Edwards Angell Palmer & Dodge LLP

20070281824 - Reduction gear unit with rotational position sensor: A gear-equipped motor (1) is configured from a motor unit (2) and a reduction gear unit (4). The reduction gear unit (4) comprises a wave gear device (7) as a reduction gear, an output shaft (8) integrally formed on a cup-shaped flexible outer gear (72) as a reduced-rotation output element,... Agent: Buchanan, Ingersoll & Rooney PC