Planetary gear transmission systems or components inventions 03/09

20090082151 - Drive device for vehicle and method of assembling the same: A vehicular drive system including a first electric motor, a power distributing mechanism, and a second electric motor disposed on a first axis, and an automatic transmission portion disposed on a second axis parallel to the first axis, and a power transmitting member at an end of the first axis... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090082150 - Electro-mechanical transmission control system: A system for robust fault detection in an electrically variable, hydraulically controlled transmission includes independently monitoring hydraulic pressure within a hydraulic control circuit and electric machine rotation for detecting clutch state faults.... Agent: Cichosz & Cichosz, PLLC

20090082152 - Vehicular driving power distribution device: A driving power distribution device includes a propeller shaft that transmits the driving power generated by an engine, a differential device having a planetary gear device that is provided concentrically with the axial center of rotation of the propeller shaft, and a hydraulic motor fixed to the propeller shaft. The... Agent: Kenyon & Kenyon LLP

20090082153 - Driving device: In a driving device that includes a mechanical oil pump operated by power of an engine and a motor oil pump EOP operated by power of a motor, provided in parallel with each other, and check valves on discharge sides of the pumps, and pumps oil from any of the... Agent: Oliff & Berridge, PLC

20090082154 - Control apparatus for vehicular drive system: A control apparatus for a vehicular drive system including (a) an electrically controlled differential portion having a differential mechanism and operable to control a differential state between its input and output speeds by controlling an operating state of an electric motor connected to a rotary element of the differential mechanism,... Agent: Oliff & Berridge, PLC

20090082156 - Transmission apparatus: A transmission apparatus includes a wet rotary clutch configured to transmit power from an input to an output when in an engaged position, a clutch lubricator to supply a lubricating oil to the wet rotary clutch, a synchromesh configured to perform a meshing operation while the wet rotary clutch is... Agent: Osha Liang L.L.P.

20090082155 - Vehicular automatic transmission: A vehicular automatic transmission including first and second shafts coaxially splined to each other at their adjacent axial end portions, and a lubrication system including: first and second lubrication passages formed through the respective first and second shafts in their axial direction, in communication with each other through the adjacent... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090082157 - Multi-speed transmission with external drive gearsets: A transmission is provided having an input member, an output member, three planetary gear sets, four external 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. Each of the external gear sets includes... Agent: Vivacqua Law, PLLC

20090082158 - Multi-speed transmission with external drive gearsets: A transmission is provided having an input member, an output member, three planetary gear sets, four external 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. Each of the external gear sets includes... Agent: Vivacqua Law, PLLC

20090082159 - Multi-speed transmission with external drive gearsets: A transmission is provided having an input member, an output member, three planetary gear sets, four external 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. Each of the external gear sets includes... Agent: Vivacqua Law, PLLC

20090082160 - Multi-speed transmission with external drive gearsets: A transmission is provided having an input member, an output member, three planetary gear sets, four external 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. Each of the external gear sets includes... Agent: Vivacqua Law, PLLC

20090082162 - Differential and bearing arrangement: An axle assembly with an axle housing with a pair of bearing journals, a differential assembly disposed between the bearing journals, a pair of differential bearings and a pair of hollow adjusters that can be threaded into the bearing journals to preload the differential bearings and control gear lash between... Agent: Harness, Dickey & Pierce, P.L.C

20090082161 - Differential assembly with welded differential carrier: A differential assembly includes a differential carrier (5) with a first carrier part (6) with a free first annular face (13) and a second carrier part (7) connectable to the first carrier part (6) and having a free second annular face (15), and a plurality of circumferentially distributed recesses (9)... Agent: Dickinson Wright PLLC

20090082163 - 8-speed transmission: The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, five torque-transmitting devices, one fixed interconnection, three external gear sets and a final drive gear set. The powertrain includes... Agent: Quinn Law Group, PLLC

20090082164 - 8-speed transmission: The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, five torque-transmitting devices, two fixed interconnections, three external gear sets and a final drive gear set. The powertrain includes... Agent: Quinn Law Group, PLLC

20090082165 - 8-speed transmission: The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, five torque-transmitting devices, one fixed interconnection, three external gear sets and a final drive gear set. The powertrain includes... Agent: Quinn Law Group, PLLC

20090082166 - 8-speed transmission: The transmission has a plurality of members that can be utilized in powertrains to provide eight forward speed ratios and one reverse speed ratio. The transmission includes three planetary gear sets, five torque-transmitting devices, one fixed interconnection, three external gear sets and a final drive gear set. The powertrain includes... Agent: Quinn Law Group, PLLC

20090082167 - Multi-speed transmission with external drive gearsets: A transmission is provided having an input member, an output member, three planetary gear sets, four external 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. Each of the external gear sets includes... Agent: Vivacqua Law, PLLC

20090082168 - Speed change gear mechanism for hand-driven power generator: A cylindrical, high speed change ratio type peed change gear mechanism is disclosed to include a driving wheel rotatable by a crank handle, a first rotating wheel coupled to the driving wheel for synchronous rotation at the same speed and having pivoted small gears spaced around the border and meshed... Agent: Rosenberg, Klein & Lee

20090075771 - Self-contained rotary actuator: A method for providing a compact rotary action torque within a larger system comprising a cross-roller bearing, generating a controllable electromagnetic field using a motor stator while interfacing the cross-roller bearing using a bull gear. The bull gear interfaces the cross-roller bearing and includes gear-teeth. An output plate includes a... Agent: HulseyIPIntellectual Property Lawyers, P.C.

20090075772 - Electro-hydraulic control system for transmission with dual-area piston for torque-transmitting mechanism: An electro-hydraulic control system is provided for a transmission with a torque-transmitting mechanism that has a dual area piston. When pressurized fluid is provided to a first of the two piston areas, the position of a spring-biased shift valve controls whether pressurized fluid communicates with the second piston area. A... Agent: Quinn Law Group, PLLC

20090075773 - Method and apparatus to detect a mode-gear mismatch during operation of an electro-mechanical transmission: A method for operating the powertrain includes monitoring operator inputs, monitoring a transmission output, and terminating an engine operating mode when a time-rate change in the transmission output exceeds a threshold absent a change in the monitored operator inputs.... Agent: General Motors Corporation Legal Staff

20090075774 - Vehicular drive system: A power distributing mechanism 16, which is provided with a differential-state switching device in the form of a switching clutch C0 and a switching brake B0, is switchable by the switching device between a differential state (continuously-variable shifting state) in which the mechanism is operable as an electrically controlled continuously... Agent: Kenyon & Kenyon LLP

20090075775 - Torque transmission structure, traction drive transmission device, and steering device for vehicle: There is provided a compact and highly durable variable-speed traction drive transmission device. A traction drive transmission device which uses the traction of rolling bodies K arranged between an input shaft Si and an output shaft So to change the number of revolutions of the input shaft Si into a... Agent: Lowe Hauptman Ham & Berner, LLP

20090075776 - Drive train for a motor vehicle and power divider therefor: A drive train for a motor vehicle, which has a front axle and a rear axle, of which one is driven constantly and the other is driven as required, with a drive unit which is installed in the motor vehicle transversely at the front and provides drive torque via an... Agent: Knobbe Martens Olson & Bear LLP

20090075777 - Support structure for differential: A support structure for a differential assembly comprising: a support ring having a peripheral wall extending between a first face and a second face, the support ring having a non-hollow center; a bore in the peripheral wall sized and shaped to receive a pinion shaft; and an aperture in the... Agent: Mcdonald Hopkins LLC

20090075778 - Connection of a planetary gear drive with the spur gear and/or central gear in an automatic transmission: A connection of a planetary gear drive with a spur gear in an automatic transmission is designed in such a manner that an axial force of the spur gear is counteracted by the axial force from the planetary gear drive, so that an axial equilibrium of forces can be achieved.... Agent: Davis & Bujold, P.l.l.c.

20090069139 - Limited slip differential with end teeth: The invention relates to a limited slip differential, more particularly for being used in the driveline of a motor vehicle. The limited slip differential 2 comprises a carrier element 3 which is rotatingly drivable around an axis of rotation A; a plurality of planetary gears 4 which rotate around the... Agent: Rader, Fishman & Grauer PLLC

20090069140 - Arrangement of a planetary gearset in a transmission: An arrangement is proposed for a planetary gearset (2) with an axially adjacent shift element in a housing (1) of a transmission of a vehicle, such that the planetary gearset (2) is connected to the shift element for torque transfer, and such that a non-destructively detachable connection is provided between... Agent: Davis & Bujold, P.l.l.c.

20090069141 - Arrangement of a planetary gearset with an axially adjacent shift element in a transmission: An arrangement of a planetary gearset (2) with an axially adjacent shift element in a housing (1) of a transmission of a vehicle. The planetary gearset (2) is connected to the shift element in a detachable manner.... Agent: Davis & Bujold, P.l.l.c.

20090069143 - 8-speed automatic transmission for vehicle: An eight-speed automatic transmission for a vehicle may include a single pinion planetary gear set, a double pinion planetary gear set, a compound planetary gear set, a first clutch, a second clutch, a third clutch, a fourth clutch, a first brake, a second brake, and a one-way clutch. The first... Agent: Morgan, Lewis & Bockius LLP (sf)

20090069142 - Method and system for controlling power inverters in electric drives of vehicles with two-mode transmissions: Methods and systems for driving an automobile are provided. The system includes a prime mover power source and a two-mode, compound-split, electromechanical transmission, including first and second motors, coupled to the prime mover power source, a power inverter coupled to the first and second motors, and a processor coupled to... Agent: General Motors Corporation Legal Staff

20090069144 - Automatic transmission arrangement for a motorcycle: A powertrain for a motorcycle includes a torque converter having an input and an output with a fluid coupling between the input and output, a gear train between the torque converter output and the rear wheel of the motorcycle, and an intermediate gear assembly that reverses the rotational direction of... Agent: The Law Office Of Randall T. Erickson, P.C.

20090069145 - Planet gear speed reducer: A planet gear speed reducer includes a casing having a receiving space defined therein for receiving an output shaft and an input shaft. The output shaft and the input shaft are longitudinally connected to each other. The output shaft includes a planet gear arm and a drive axle concentrically and... Agent: Sam Chen

20090062052 - Power transmission device for hybrid vehicle: For this, the preset invention provides a power transmission device for a hybrid vehicle, in which an automatic transmission having an input shaft, a motor, an engine clutch, a flywheel, and an engine having an output shaft connected to a crank shaft of the engine are directly connected to the... Agent: Edwards Angell Palmer & Dodge LLP

20090062053 - Rotation output device: A reduction gear transmission is provided with an input shaft having an eccentric rotation member, an external gear that has a through hole at its center and revolves orbitally while engaging with the eccentric rotation member, and an internal gear that surrounds the external gear while meshing with the external... Agent: Oliff & Berridge, PLC

20090062054 - Multiple speed power transfer unit: A power transfer unit for directing power to the front wheels and rear wheels of a motor vehicle includes an input, a rear drive shaft driveably connected to the rear wheels, a first gear unit having an output for producing first and second ratios of a speed of the input... Agent: Butzel LongIPDocketing Dept

20090062055 - Locking differential: The present invention relates to a differential gear equipped with a selectively controllable locking device. Said locking device is self energizing, i.e. it utilizes the differentiation energy (i.e. the possible torque imbalance) to self-lock on its own accord. The control signal is therefore not needed to lock the locking device... Agent: Albihns Stockholm Ab

20090062056 - Automatic transmission: An automatic transmission which can establish properly separated gear ratios of forward ten gears or eleven gears and reverse two gears, which is simple and compact and can comfortably change gears. A fourth sun gear of a speed-changing dual planetary gear is connected to a speed-reducing common ring gear of... Agent: Sughrue Mion, PLLC

20090062057 - Bicycle transmission: The bicycle transmission includes a rotary member 1 fitted around a main shaft 51, as many main gears 2, 3, 4 and 5 as the number of reduction steps which are arranged in a row around the rotary member 1, a plurality of counter gears 7, 8, 9 and 10... Agent: Wenderoth, Lind & Ponack, L.L.P.

20090062058 - Plantary transmission having double helical teeth: A planetary gear set includes a sun gear including a first set of gear teeth having a helix angle and second set of gear teeth formed as a single unit with the first set of gear teeth and having a second helix angle of opposite hand relative to the first... Agent: Macmillan, Sobanski & Todd, LLC