Planetary gear transmission systems or components inventions 01/07

20070021258 - Dual mode evt with input split reverse mode: A transmission is provided with a reverse input split mode and, preferably, a reverse low fixed speed ratio which provides sufficient reverse grade performance while allowing motor size and planetary and transmission ratios to be optimized for fuel economy or other design criteria. Engine-on reverse performance is improved, reducing dependence... Agent: General Motors Corporation Legal Staff

20070021259 - Power-branched transmission having a plurality of transmission ratio ranges with continuously variable transmission ratio: A power-branched transmission having a plurality of transmission ratio ranges and having a continuously variable transmission ratio. The transmission includes at least one drive shaft operatively connected to an engine with a rotationally fixed connection, a power divider, a variable speed drive, and an output shaft. The power divider is... Agent: Alfred J Mangels

20070021257 - Two mode electrically variable transmission with equal forward and reverse input-split modal and fixed ratio performance: An electrically variable transmission includes a power source, three differential gear sets, first and second motor/generators each connected to at least one of the gear sets, and torque-transmitting mechanisms. An input member transfers power from the power source through the differential gear sets to an output member. The torque-transmitting mechanisms... Agent: General Motors Corporation Legal Staff

20070021256 - Two mode electrically variable transmission with equal forward and reverse input-split modal performance: An electrically variable transmission includes a power source, three differential gear sets, first and second motor/generators each connected to at least one of the gear sets, and torque-transmitting mechanisms. An input member transfers power from the power source through the differential gear sets to an output member. The torque-transmitting mechanisms... Agent: General Motors Corporation Legal Staff

20070021260 - Control apparatus of vehicular automatic transmission: At the time of a failure in the second group of engagement devices, the manner of input of oil pressures to a fail-safe valve group is changed via a priority degree switching valve on the basis of the state of engagement of engagement devices of the first group in such... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070021261 - Hydraulic control apparatus and hydraulic control method of vehicular automatic transmission: A hydraulic control apparatus of a vehicular automatic transmission has a plurality of hydraulic friction engagement devices that are selectively engaged and released to establish a plurality of forward speed change stages of different speed change ratios. The forward speed change stages are achieved through engagement of predetermined friction engagement... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070021262 - Vehicular driving force distribution system: In a vehicular driving force distribution system, an oil pump which produces a hydraulic pressure for operating a torque distribution mechanism is driven, via gears and a rotating shaft, by the rotation of a differential case of a differential device. Therefore, regardless of the rotational condition of right and left... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070021263 - Methods and systems for planarizing workpieces, e.g., microelectronic workpieces: This disclosure provides methods and apparatus for predictably changing the thickness of a microfeature workpiece. One implementation provides a planarizing method in which a first workpiece is planarized in first and second planarizing processes and a total change in thickness is determined. This thickness change is modified by a thickness... Agent: Perkins Coie LLP Patent-sea

20070021264 - 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 differential limitation clutch is engaged to... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070015618 - Transmission and drive train for a vehicle: A transmission for distributing a drive torque to two drive output shafts, with two planetary gearsets each having at least three shafts. A respective shaft of a planetary gearset is connected to a drive input shaft. Furthermore, one shaft of each planetary gearset constitutes one of the output shafts and... Agent: Davis & Bujold, P.l.l.c.

20070015619 - Wheel motor device: There is provided a wheel motor device including a variable-rotation output unit for outputting rotational power of a variable-rotation output body accommodated in a variable-rotation output body housing via a variable-rotation output shaft rotating about a reference axis line; and a reduction unit including a reduction gear mechanism for reducing... Agent: Sterne, Kessler, Goldstein & Fox PLLC

20070015620 - Transmission of working vehicle: An oil supply system for a transmission includes a transmission casing; a transmission shaft disposed in the transmission casing; a plurality of gears relatively rotatably fitted on the transmission shaft; an oil passage axially formed in the transmission shaft; a trough portion formed on an inside wall of the transmission... Agent: Sterne, Kessler, Goldstein & Fox PLLC

20070015621 - Axle assembly with side gears having dual shaft retention features: The drivetrain with multiple differentials includes a common side gear. The side gear has a cylindrical body with a central bore. Receiving members are on the bore to receive a shaft. An annular member is on the body with the bore extending through the annular member. A plurality of teeth... Agent: Harness, Dickey & Pierce, P.L.C

20070015622 - Planetary roll system, in particular for a device for extending bones: A planetary roll system, in particular for a device for extending bones. The system comprises two elements that can be displaced in opposition to one another and that are interconnected by at least one drive element. A hosing is designed to receive at least one planetary roll which comprises at... Agent: Bachman & Lapointe, P.C.

20070010364 - Electrically variable transmission having two planetary gear sets with one stationary fixed interconnection: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first and second differential gear sets, a battery, two electric machines serving interchangeably as motors or generators, and two or three selectable torque-transfer devices. The selectable torque transfer devices are engaged singly or... Agent: General Motors Corporation Legal Staff

20070010365 - Planet carrier for a planetary drive: A planet carrier (1) for a planetary drive is provided, especially for a motor vehicle transmission, which has a disk-shaped section (2), over whose periphery a number of planet gears (3) are supported, wherein means (4) are present in order to supply the area of the planet gears (3) and/or... Agent: Volpe And Koenig, P.C.

20070010366 - Transmission mechanism for equalized management of the traction force provided for traction wheels of automotive vehicles: “TRANSMISSION MECHANISM FOR EQUALIZED MANAGEMENT OF THE TRACTION FORCE PROVIDED FOR TRACTION WHEELS OF AUTOMOTIVE VEHICLES”, which comprises a outermost tubular framework (1), which is provided with a face wheel (2) assembled on the periphery of one of its lateral ends; internally, the framework (1) receives an assembly of a... Agent: Connolly Bove Lodge & Hutz, LLP

20070010369 - Multi-speed planetary transmissions having a stationary member and seven torque-transmitting devices: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting mechanisms and three interconnecting members. The powertrain includes an engine... Agent: General Motors Corporation Legal Staff

20070010368 - Multi-speed planetary transmissions having seven torque transmitting devices engaged in combinations of five: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting mechanisms and one interconnecting member. The powertrain includes an engine... Agent: General Motors Corporation Legal Staff

20070010367 - Multi-speed planetary transmissions having seven torque-transmitting devices engaged in combinations of two: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting mechanisms and three interconnecting members. The powertrain includes an engine... Agent: General Motors Corporation Legal Staff

20070010370 - Multi-speed planetary transmissions having seven torque-transmitting devices and two fixed interconnections: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting mechanisms and two interconnecting members. The powertrain includes an engine... Agent: General Motors Corporation Legal Staff

20070010371 - Automatic transmission: An automatic transmission comprises a planetary gear train PG, a countershaft 5, which is disposed in parallel with the rotational axis of the planetary gear train PG, a first brake B1, a first gear train G1, a first clutch C1, a third gear train G3, a third clutch C3 and... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070010372 - Multi-speed planetary transmissions having clutched input members and providing at least eight speed ratios: The family of transmissions has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission family members include three planetary gear sets having seven torque-transmitting mechanisms and three interconnecting members. The powertrain includes an engine... Agent: General Motors Corporation Legal Staff

20070004546 - Power transmission: A power transmission, for a vehicle, provides seven forward speeds and a reverse speed. The transmission has three planetary gearsets and has one sun gear member, which is held stationary for six of forward speeds and the reverse speed. The sun gear member is connected through a shaft to a... Agent: General Motors Corporation Legal Staff

20070004547 - Hydromechanical transmission for agricultural tractors: The transmission comprises: an input shaft t (IS) which can be coupled to a prime mover of the tractor and extends along a first direction (x1) aligned with the shaft of the prime mover and with a shaft (S1) of the power take-off of the tractor; an output shaft (OS);... Agent: Cook, Alex, Mcfarron, Manzo, Cummings & Mehler Ltd

20070004548 - Compliance-on-demand for vehicle transmission clutch: The present invention relates to a selectively actuable compliance system for a vehicle transmission clutch. The compliance system includes a disconnect valve or control that may selectively disconnect an accumulator or compliance element from the clutch feed path. While utilizing the compliance element during power-on up-shift may be desirable, the... Agent: General Motors Corporation Legal Staff

20070004549 - Transmission system: An improved transmission system comprising a body substantially cylindrical in shape and having a plurality of chambers about the center of the body; configured and dimensioned to be cooperatively connected between a steering column and a steering wheel; a group of paddle assemblies cooperatively connected to the body within a... Agent: Lillie Law, LLC

20070004550 - Rotary recliner: A rotary recliner includes an outer rotary member having a first series of gear teeth on an inner circumferential surface thereof and an inner rotary member having a second series of gear teeth on an outer surface thereof. An eccentric is mounted to the inner rotary member and biases the... Agent: Harness, Dickey & Pierce, P.L.C

20070004551 - Multi-speed planetary power transmission: A power transmission for use in a powertrain has an input shaft, an output shaft, an input planetary gearset, and an output planetary gearset. The planetary gearsets are controlled through the selective engagement of seven torque-transmitting mechanisms, three of which are rotating-type torque-transmitting mechanisms and four of which are stationary-type... Agent: General Motors Corporation Legal Staff