Planetary gear transmission systems or components inventions

20090275436 - Electric variable transmission for hybrid electric vehicles with four forward modes and six fixed gears: The present disclosure provides a power split transmission with four Electric Variable Transmission (EVT) modes and six fixed gears for use in hybrid electrical vehicles (HEV). The present disclosure utilizes two electric motors (“E-motors”), an engine, three planetary gear sets, and five selectively engageable clutches. The clutches are engaged in... Agent: Daimlerchrysler Intellectual Capital Corporation Cims 483-02-19

20090275438 - Electric variable transmission for hybrid electric vehicles with three forward modes, one reverse mode, and five fixed gears: The present disclosure provides a power split transmission with three forward Electric Variable Transmission (EVT) modes, one reverse EVT mode, and five fixed gears for use in hybrid electrical vehicles (HEV). The present disclosure utilizes two electric motors (“E-motors”), an engine, three planetary gear sets, three selectively engageable clutches, and... Agent: Daimlerchrysler Intellectual Capital Corporation Cims 483-02-19

20090275437 - Electric variable transmission for hybrid electric vehicles with two forward modes and four fixed gears: The present disclosure provides a power split transmission with two Electric Variable Transmission (EVT) modes and four fixed gears for use in hybrid electrical vehicles (HEV). The present disclosure utilizes two electric motors (“E-motors”), an engine, three planetary gear sets, and four selectively engageable clutches. The clutches are engaged in... Agent: Daimlerchrysler Intellectual Capital Corporation Cims 483-02-19

20090275439 - Semi-power split hybrid transmission with multiple modes and fixed gears: The present disclosure provides a semi-power split transmission with multiple Electric Variable Transmission (EVT) modes and fixed gears for use in hybrid electrical vehicles (HEV). The present disclosure utilizes two electric motors (“E-motors”), an engine, and two planetary gear sets. The planetary gear sets can include a dual-sun. Ravigneaux-type gear... Agent: Daimlerchrysler Intellectual Capital Corporation Cims 483-02-19

20090270212 - Speed change transmission apparatus: The apparatus includes a hydrostatic stepless speed change section 20 receiving an output of an engine 1, a planetary transmission section 3a having a plurality of planetary transmission mechanisms PF, PR and a plurality of output members 41, 42, the planetary transmission section being configured to combine a drive force... Agent: The Webb Law Firm, P.C.

20090270213 - Power transmitting apparatus of hybrid vehicles: A power transmitting apparatus of hybrid vehicles that transmits torque from an engine and first and second motor/generators to an output shaft is provided. The apparatus may include: a first planetary gear set having a first operating member fixedly connected to the second motor/generator, a second operating member selectively connected... Agent: Edwards Angell Palmer & Dodge LLP

20090270214 - Device for phase-shifting the rotational angle of a drive wheel relative to an output shaft: A device for phase-shifting a rotational angle of a drive wheel relative to an output shaft. The device includes a planetary gear including a sun wheel, a hollow wheel and at least one planet wheel, wherein the sun wheel and the hollow wheel mesh with the at least one planet... Agent: Darby & Darby P.C.

20090270215 - Transmission: Described is a transmission, having a hollow cylindrical base body, which has an internal toothing and a rotational axis, with end sides in which are rotatably mounted a driven input element and an output element, wherein the output element comprises two rotary bodies which can be or are connected to... Agent: John Alumit

20090270216 - Apparatus and method for improving radial stresses in a gear transmission mounting: There is provided a pin and mounting assembly for supporting a gear of an epicyclic or parallel shaft transmission. The pin and mounting assembly comprises: a mounting (4) which has a first interference surface; and a pin (2) which has a second interference surface. The second interference surface is adapted... Agent: Harrington & Smith, PC

20090270217 - Differential gear unit for motor vehicles having controllable driving power distribution: A differential gear unit for motor vehicles for the controllable distribution of the driving power comprises a housing and a differential gear (4) disposed therein, the gear having two speed-changing transmissions (5) drivingly connected to the output shafts (7,8) and to the input member (14) of the differential gear, and... Agent: Bachman & Lapointe, P.C.

20090270218 - Differential assembly with bearing discs in openings for mounting purposes: The invention relates to a differential assembly in the form of a crown gear differential, more particularly for being used in the driveline of a motor vehicle. The differential assembly comprises a differential carrier (3) which is produced in one piece, which is rotatingly drivable around an axis of rotation... Agent: Gkn Driveline/ttg

20090270219 - Gear train of automatic transmission for vehicles: A gear train of an automatic transmission for a vehicle includes two simple planetary gear sets and one compound planetary gear set, four clutches, and three brakes and realizes ten forward speeds and one reverse speed so that power delivery performance may be improved and fuel consumption may be reduced.... Agent: Morgan, Lewis & Bockius LLP (sf)

20090270220 - Automatic speed reduction ratio switching apparatus: An automatic speed reduction ratio switching apparatus is equipped with a sun gear connected to an input shaft, first and second carriers connected to a feed screw shaft, planetary gears meshed with the sun gear and which are mounted rotatably in the first and second carriers, and an internal gear... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20090264237 - Automatic transmission: A first element of a duplex planetary gear set is selectively coupled to an input shaft via a third clutch, or is selectively fixed via a first brake. A second element is selectively coupled, via a second clutch, to an intermediate shaft that is directly coupled to a speed-increasing element... Agent: Bacon & Thomas, PLLC

20090264238 - Multi-speed transaxle for a front wheel drive vehicle: A front wheel drive transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring gear member.... Agent: Vivacqua Law, PLLC

20090264239 - Multi-speed transaxle: A front wheel drive transmission is provided having a transmission input member, a transmission output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring... Agent: Vivacqua Law, PLLC

20090264240 - Multi-speed transaxle: A front wheel drive transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring gear member.... Agent: Vivacqua Law, PLLC

20090264241 - Multi-group transmission of a motor vehicle: The invention relates to a multi-group transmission of a motor vehicle with at least two transmission groups (2, 3) arranged in a drive train, in which the means for switching an intermediate gear are provided, in order to diminish or avoid interruptions in tractive force during gear changes. A planetary... Agent: Davis & Bujold, P.l.l.c.

20090264242 - Multi-speed transaxle: A front wheel drive transmission is provided having a transmission input member, a transmission output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring... Agent: Vivacqua Law, PLLC

20090264243 - Annular actuator having plunger configured to translate through a viscous liquid: An actuator having a linear motor and a plunger that is movable by the linear motor along an axis. The plunger includes an annular flange and a rim that is coupled to an outer periphery of the flange. The annular flange is oriented generally perpendicular to the axis. A plurality... Agent: Harness, Dickey & Pierce, P.L.C

20090264244 - Eight speed automatic transmission: A transmission is disclosed having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes first, second and third members. The torque transmitting devices may include clutches and brakes.... Agent: Vivacqua Law, PLLC

20090264245 - Multi-speed transaxle: A front wheel drive transmission is provided having a transmission input member, a transmission output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring... Agent: Vivacqua Law, PLLC

20090264246 - Multi-speed transaxle: A front wheel drive transmission is provided having a transmission input member, a transmission output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring... Agent: Vivacqua Law, PLLC

20090264247 - Multi-speed transaxle: A front wheel drive transmission is provided having a transmission input member, a transmission output member, four planetary gear sets, a plurality of coupling members and a plurality of torque transmitting devices. Each of the planetary gear sets includes a sun gear member, a planet carrier member, and a ring... Agent: Vivacqua Law, PLLC