Planetary gear transmission systems or components inventions

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

20090258745 - Accumulator orifice plate for automatic transmission: A modified automatic transmission includes a simple and inexpensive accumulator orifice plate residing between a valve control body and a second gear accumulator. The accumulator is in parallel fluid communication with a second gear servo and moderates changes to pressure of transmission fluid flowing to the second gear servo to... Agent: Averill & Varn

20090258746 - Manual valve control for multi-speed planetary transmission: A manual valve control for a multi-speed vehicle transmission is provided. Electronic and hydraulic components are provided, including trim valve systems that are multiplexed by a shift valve and a manual valve. The trim valves and shift valve are self-diagnosing via a plurality of multiplexed pressure switches. The control enables... Agent: Allison Transmission, Inc.

20090258747 - Control apparatus for vehicular drive system: A vehicular power transmitting system including a transmission portion constituting a part of a power transmitting path, an electric motor connected to the power transmitting path, an electrically controlled differential portion connected to the electric motor and having a differential state controllable according to a change of an operating speed... Agent: Oliff & Berridge, PLC

20090258748 - Speed reduction device: A low-noise speed reduction device that is simple in structure, small-sized, and little in energy loss is provided. Two-stage gears, i.e., a large-diameter gear 65 and a small-diameter gear 66 of a third external gear 63 are supported by a supporting shaft 59, and one-stage second external gear 58 that... Agent: Panitch Schwarze Belisario & Nadel LLP

20090258749 - Vibration damping device and power transmission device: A vibration damping device is equipped with a mass body disposed spaced apart from a rotational center axis of a rotary shaft by a certain distance, and a rolling bearing that rotatably supports the mass body with respect to the rotary shaft and holds a support posture of the mass... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20090258750 - Vehicle differential: A differential assembly has a cross-pin connecting a ring gear to at least one section of a differential case half. The cross-pin may be secured in place by threading it into a part of the differential case or by a locking pin. Torque is transferred directly from the ring gear... Agent: Marshall & Melhorn, LLC

20090258751 - Hydraulic coupling with disconnect pump clutch: A power transfer assembly for use in a motor vehicle and having a hydraulic coupling operable to transfer drive torque to a driveline in response to slip. The hydraulic coupling includes a transfer clutch, a clutch operator for engaging the transfer clutch, a fluid actuation system including a fluid pump... Agent: Harness, Dickey & Pierce, P.L.C

20090258752 - Operating and mounting system for a window covering: An operating unit (5) for operating a window covering. The operating unit (5) includes a housing (11), a rotatable drive pulley (13) having an axis of rotation and first and second mounting positions in the housing, with respect to the axis of rotation, an engagement device (15), rotatable about the... Agent: Dorsey & Whitney, LLP Intellectual Property Department

20090258753 - Automatic transmission and gear train: The present invention relates to automatic transmissions and gear trains. In particular, the instant invention relates to an automatic transmission gear train with improved resistance to deterioration with an increased effective life. The gear train of the instant invention comprises eight pinion gears assembled into one carrier utilizing a forward... Agent: Sullivan & Worcester LLP

20090253543 - Hydraulic clutch control system: A transmission includes two blocking valves that control fluid pressure to a plurality of clutches. The blocking valves are characterized by a plurality of states that result in at least three transmission operating conditions. Each of the three operating conditions is characterized by fluid pressure being unavailable to at least... Agent: Quinn Law Group, PLLC

20090253544 - Hydraulic clutch control system: A transmission includes two blocking valves that control fluid pressure to a plurality of clutches. The blocking valves are characterized by a plurality of states that result in at least three transmission operating conditions. Each of the three operating conditions is characterized by fluid pressure being unavailable to a respective... Agent: Quinn Law Group, PLLC

20090253545 - Planetary gearset: A planetary gearset (2) consisting of a planetary gear carrier (4) that holds planetary gears (5) with a first and a second carrier plate (4b, 7), each having respective bores (4d, 7a) to receive planetary gear bolts (6) that can be fixed axially. It is proposed that the planetary gear... Agent: Davis & Bujold, P.l.l.c.

20090253546 - Integrated motor cooling/clutch backfill system for use in a hybrid transmission: A fluid is supplied to a housing of a hybrid transmission. An overall system line pressure is elevated to induce leakage of the fluid through a control system. The leaked fluid is flowed through at least one backfill passage to the housing of the hybrid transmission. The leaked fluid is... Agent: Quinn Law Group, PLLC

20090253547 - Driveline on truck: A device and a method for engaging and disengaging a longitudinal differential (10) disposed between a forward wheelshaft (4) and a rear wheelshaft (5) of an articulated vehicle (1) which has a front element (2) and a rear element (3) pivotable about a steering linkage (6) disposed between them and... Agent: Mark P. Stone

20090253548 - Torque vectoring axle assembly: In at least one embodiment of the present invention, a torque vectoring axle assembly for a non-driven axle of a motor vehicle is provided. The assembly comprises a first torque vectoring system (12) and a non-driven differential (16) that includes a differential carrier (24). The first torque vectoring system (12)... Agent: Borgwarner/bhgl

20090253549 - Automatic transmission: A structure is given where the automatic transmission includes a planetary gear unit, a plurality of engagement elements to disconnect or fix elements of the planetary gear unit, a variable speed control that selects a low-speed forward gear as the vehicle first starts to move, a high-speed forward gear when... Agent: Young Basile