Planetary gear transmission systems or components inventions 05/08

20080125265 - Highly configurable hybrid powertrain and control system therefor: A hybrid powertrain system for a vehicle includes an engine and a transmission. The transmission includes a transmission input member, first and second electric machines, first and second planetary gear sets, and a plurality of selectively engageable torque transfer devices enabling configuring the powertrain in variously to operate in electric... Agent: Cichosz & Cichosz, PLLC

20080125264 - Input brake providing electric only fixed gear: A vehicle powertrain for a hybrid vehicle includes an electronically variable transmission (EVT) with an input member to receive mechanical rotary power from the engine, an output member to provide mechanical rotary power to a vehicle powertrain to propel the vehicle, and an EVT gear train configured to selectively and... Agent: General Motors Corporation Legal Staff

20080125266 - Gear mechanism for a heald shaft drive: The present invention relates to a gear mechanism for the drive assembly of a heald shaft (1), wherein the gear mechanism (6, 6a, 6b, 6c) comprises an input shaft (7, 7b, 7c) and an output shaft (5, 5b, 5c). The gear mechanism (6, 6a, 6b, 6c) generates a differential angle... Agent: Fitch, Even, Tabin & Flannery

20080125267 - Swap shift control scheme for an automatic transmission: A transmission for a vehicle includes a first gear set and a second gear set. A first plurality of elements are operable in an applied state and a released state and a second plurality of elements are operable in an applied state and a released state. A controller toggles the... Agent: Daimlerchrysler Intellectual Capital Corporation Cims 483-02-19

20080125268 - Drive unit connected to a transmission output for producing forward and reverse drive: A drive unit located in a power path between a transmission output and the wheels of a vehicle for reversing the direction of the transmission output includes a gear set including an input driveably connected to the transmission output, and a gearset output alternately rotating in a forward rotary direction... Agent: Macmillan, Sobanski & Todd, LLC

20080125269 - Multi-speed transmission: A multi-speed transmission with nine forward gears and one reverse gear, four planetary gear sets, seven shafts and six shifting elements. The input shaft is coupled to gear sets (P2, P3); shaft (3) is coupled to the carrier of gear set (P2) and the ring of gear set (P1) and... Agent: Davis Bujold & Daniels, P.l.l.c.

20080125270 - Multi-speed transmission: A multi-speed transmission has three planetary gear sets and six torque-transmitting mechanism packaged in various ones of five zones within a transmission cavity. Each planetary gear set has a ring gear member, a sun gear member and a carrier member that rotatably supports a plurality of pinion gears that intermesh... Agent: Quinn Law Group, PLLC

20080125271 - Multi-speed transmission: A multi-speed transmission has three planetary gear sets and six torque-transmitting mechanism packaged in various ones of five zones within a transmission cavity. Each planetary gear set has a ring gear member, a sun gear member and a carrier member that rotatably supports a plurality of pinion gears that intermesh... Agent: Quinn Law Group, PLLC

20080125272 - Multi-speed transmission: A multi-speed transmission has three planetary gear sets and six torque-transmitting mechanism packaged in various ones of five zones within a transmission cavity. Each planetary gear set has a ring gear member, a sun gear member and a carrier member that rotatably supports a plurality of pinion gears that intermesh... Agent: Quinn Law Group, PLLC

20080125273 - Multi-speed transmission: A multi-speed transmission has three planetary gear sets and six torque-transmitting mechanism packaged in various ones of five zones within a transmission cavity. Each planetary gear set has a ring gear member, a sun gear member and a carrier member that rotatably supports a plurality of pinion gears that intermesh... Agent: Quinn Law Group, PLLC

20080125274 - Multi-speed transmission: A multi-speed transmission has three planetary gear sets and six torque-transmitting mechanism packaged in various ones of five zones within a transmission cavity. Each planetary gear set has a ring gear member, a sun gear member and a carrier member that rotatably supports a plurality of pinion gears that intermesh... Agent: Quinn Law Group, PLLC

20080125275 - Multi-speed transmission: A multi-speed transmission has three planetary gear sets and six torque-transmitting mechanism packaged in various ones of five zones within a transmission cavity. Each planetary gear set has a ring gear member, a sun gear member and a carrier member that rotatably supports a plurality of pinion gears that intermesh... Agent: Quinn Law Group, PLLC

20080125276 - Multi-speed transmission: A multi-speed transmission has three planetary gear sets and six torque-transmitting mechanism packaged in various ones of five zones within a transmission cavity. Each planetary gear set has a ring gear member, a sun gear member and a carrier member that rotatably supports a plurality of pinion gears that intermesh... Agent: Quinn Law Group, PLLC

20080125277 - Multi-speed transmission: A multi-speed transmission has three planetary gear sets and six torque-transmitting mechanism packaged in various ones of five zones within a transmission cavity. Each planetary gear set has a ring gear member, a sun gear member and a carrier member that rotatably supports a plurality of pinion gears that intermesh... Agent: Quinn Law Group, PLLC

20080125278 - Multi-speed transmission: A multi-speed transmission has three planetary gear sets and six torque-transmitting mechanism packaged in various ones of five zones within a transmission cavity. Each planetary gear set has a ring gear member, a sun gear member and a carrier member that rotatably supports a plurality of pinion gears that intermesh... Agent: Quinn Law Group, PLLC

20080125279 - Multi-speed transmission: A multi-speed transmission has three planetary gear sets and six torque-transmitting mechanism packaged in various ones of five zones within a transmission cavity. Each planetary gear set has a ring gear member, a sun gear member and a carrier member that rotatably supports a plurality of pinion gears that intermesh... Agent: Quinn Law Group, PLLC

20080125280 - Automatic transmission for a vehicle: An output side transfer member 103 of a second clutch C-2 extends around the outer circumferences of the output side transfer members 101, 102 of the third and first clutches C-3, C-1, the output side transfer member 104 (or 13, 101) of a fourth clutch C-4 and the output side... Agent: Bacon & Thomas, PLLC

20080119313 - Hybrid powertrain having three interconnecting members and brakes: The electrically variable transmission family of the present invention provides low-content, electrically variable transmission mechanisms including first, second and third differential gear sets, a battery, three electric machines serving interchangeably as motors or generators and at least one brake. The three motor/generators are operable in a coordinated fashion to yield... Agent: General Motors Corporation Legal Staff

20080119314 - Hybrid powertrain having three planetary gearsets and brakes: The electrically variable transmission (EVT) family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first, second and third differential gear sets, a battery, three electric machines serving interchangeably as motors or generators and at least one brake. The three motor/generators are operable in a coordinated fashion... Agent: General Motors Corporation Legal Staff

20080119315 - Transmission: A motor vehicle transmission includes a power splitter connected with the vehicle engine and two differential clutches connected with the outputs of the splitter. Separate gearboxes including alternating sequential gear mechanisms are arranged in each gearbox. The clutches are independently operated under control of an electronic control unit to provide... Agent: Laubscher & Laubscher, P.c.

20080119316 - Apparatus for expanding gear speed ratio coverage of an automatic transmission: The present invention provides an apparatus configured to selectively increase the gear speed ratio coverage of an automatic transmission. The apparatus includes a torque converter operatively connected to and driven by an engine. A planetary gearset is operatively connected to the torque converter and the automatic transmission. Output from the... Agent: General Motors Corporation Legal Staff

20080119317 - Transmission apparatus for a working vehicle: A working vehicle comprises: a power source having an output shaft; axles; a cargo deck; and a transmission apparatus for driving axles disposed below the cargo deck. The transmission apparatus includes an input shaft drivingly connected to the output shaft of the power source, a hydro-mechanical stepless transmission driven by... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080119318 - Multi-speed transmission: A transmission is disclosed having an input member, an output member, first, second and third planetary gear sets, a first interconnecting member, a second interconnecting member and six torque-transmitting mechanisms. The torque-transmitting mechanisms are selectively engageable in combinations of at least three to establish at least eight forward speed ratios... Agent: General Motors Corporation Legal Staff

20080113838 - Multiple gear motor drive: A hydraulic drive comprising multiple gear motors each having a gear motor output shaft, and a common gear engaged by the output shafts of the multiple gear motors. Each hydraulic motor has a characteristic sinusoidal torque ripple out of phase with the characteristic sinusoidal torque ripple of at least one... Agent: Don W. Bulson (park) Renner, Otto, Boisselle & Sklar, LLP

20080113839 - Hydraulic control system for use in a motor vehicle and method for controlling the hydraulic control system: A hydraulic control system that includes a solenoid valve for supplying a prescribed fluid pressure; and a relay valve for selectively switching a destination of the prescribed fluid pressure between a first destination part and a second destination part. The relay valve has an input port supplied with a normally... Agent: Oliff & Berridge, Plc

20080113840 - Electrically driven propulsion system: An electrically driven power system includes a carrier structure rotatably supporting a power output. A plurality of individually electrically powered primary drive units are also mounted in the carrier structure. Each of the power units are in driving engagement with the power output for driving said power output in a... Agent: Ruden, Mcclosky, Smith, Schuster & Russell, P.a.

20080113841 - Transmission ratio varying mechanism: A transmission ratio varying mechanism is configured such that transmission of rotation between a first steering shaft and an eccentric rotary plate is performed via a first rotation transmitting ball group that engages with a third cycloidal groove and a first cycloidal groove and such that transmission of rotation between... Agent: Sughrue Mion, Pllc

20080113842 - Torque distributing apparatus: A torque distributing apparatus 8 comprises a differential gear unit 14, a planetary gear set 31 arranged between first and second output shafts 12L and 12R, a motor 32 driving the planetary gear set 31, and a speed change gear set 51 compensating a speed change ratio of the planetary... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080113843 - Power transmission apparatus: In order to avoid competition with other components for a space, to thereby improve the degree of designing freedom, the power transmission apparatus includes a transfer case housing and supporting a ring gear and a pinion gear that orthogonally mesh with each other and form an orthogonal gear set, the... Agent: Jordan And Hamburg LLP

20080113844 - Multiple speed automatic transmission: A multiple speed transmission includes an input and output; a first, second, third and fourth planetary gear sets, each gear set including a sun gear, a ring gear, a carrier, and pinions supported on the carrier and meshing with the sun gear and the ring gear; a first epicyclic gearing... Agent: Macmillan, Sobanski & Todd, Llc

20080113845 - Automatic transmission: On an input shaft are provided in order from a side of an engine a torque converter with a lock-up clutch, a first planetary gear set as a multiplying mechanism, a counter drive gear outputting a rotational drive force to a countershaft, a second planetary gear set as a speed-change... Agent: Nixon Peabody, LLP

20080108468 - Automatic transmission: Each of first and second multi-plate clutches comprises a clutch outer cylinder portion provided to be coaxial with the input shaft and connected with a first or second rotational element, a clutch inner cylinder portion provided to be coaxial with an input shaft, plural clutch plates provided between these cylinder... Agent: Nixon Peabody, LLP

20080108469 - Transmission pump drive: A pump drive for a vehicle transmission pump. A transmission input torque member is operable to carry prime mover torque. A source of pump torque includes a pump input torque member circumscribing the transmission input torque member to apply torque to the transmission pump. An overrunning clutch is interposed between... Agent: Daimlerchrysler Intellectual Capital Corporation Cims 483-02-19

20080108467 - Speed-changing device: A transmission is provided which has a very compact system configuration and is capable of exerting high energy efficiency over all speed regions from a low speed region to a high speed region, while providing improved operability free from a torque shortage. To this end, the transmission has an input... Agent: Frishauf, Holtz, Goodman & Chick, Pc

20080108470 - Superfinishing large planetary gear systems: Disclosed herein is a new improved large planetary gear system used on the input stage of wind turbine power generators. This improved planetary gear system reduces or eliminates lubricant debris traditionally generated from the gear teeth, thereby eliminating an initiating source for bearing failure. To achieve these results, some and... Agent: Howrey LLP

20080108471 - Lubrication ports for a differential housing: Apparatus for transmitting torque in a vehicular differential assembly includes a ring gear surrounding a first axis about which the housing rotates; and a differential housing secured to the ring gear, including a wall surrounding the first axis and formed with a port spaced mutually about the first axis and... Agent: Macmillan, Sobanski & Todd, Llc

20080108472 - Eight-speed powertrain of automatic transmission for vehicle: A eight-speed powertrain of an automatic transmission for a vehicle combining four simple planetary gear set with a plurality of clutches and brakes to realize seventh forward speed or eighth forward speed and two reverse speeds can improve power delivery performance and reduce fuel consumption.... Agent: Morgan, Lewis & Bockius LLP (sf)

20080108473 - Power train of automatic transmission: A power train for an automatic transmission provides seven forward speeds and three reverse speeds. The powertrain includes an input shaft; an output gear; a transmission case; a speed shift unit; an output unit and a series of brakes and clutches for sequentially stopping and connecting input and output members... Agent: Morgan, Lewis & Bockius LLP (sf)

20080108474 - Eight speed powertrain of automatic transmission for vehicle: An eight speed powertrain of an automatic transmission can realize eight forward speed and one reverse speed by combining four planetary gear sets combined by a plurality of clutches and brakes and power delivery performance can be improved and fuel consumption can be reduced.... Agent: Morgan, Lewis & Bockius LLP (sf)

20080103002 - Hybrid electrically variable transmission with dual power paths and selective motor connection: An electrically variable transmission having two motor/generators provides power-split, electrically variable power flow along dual power paths and provides multiple operating modes, including an electrically variable input-split mode. The transmission also includes a differential gear set having five gear elements. A first of the motor/generators is continuously connected to one... Agent: General Motors Corporation Legal Staff

20080103003 - Method and apparatus to control operation of a hydraulic control circuit for an electro-mechanical transmission: A method and an apparatus for controlling an electro-mechanical transmission selectively operative in a plurality of fixed gear modes and continuously variable modes is provided. The exemplary transmission comprises first and second electrical machines and a hydraulic circuit comprising a plurality of pressure control devices and flow management valves. The... Agent: General Motors Corporation Legal Staff

20080103004 - Constant direction pointer device: This device consists of a car body, which further consists of a first wheel and a second wheel; a first angular compensation mechanism which further consists of a first transmission set for transmitting a first torque generated by the first wheel, a second transmission set for transmitting a second torque... Agent: Birch Stewart Kolasch & Birch

20080103006 - Hydromechanical transmission with input summer: A hydromechanical transmission that has first and second planetaries each having first, second and third elements. The first element of the first planetary is connected to a first hydrostatic unit while the second element of the first planetary is connected to a second hydrostatic unit with the third element of... Agent: Zarley Law Firm P.L.C

20080103005 - Steer drive for tracked vehicles: The differential steering drive for a tracked vehicle includes a drive differential interconnecting the drive shafts for the tracks and a steering differential for superimposing additive and subtractive rotations to the tracks for steering and pivot turning. In the preferred embodiment for high speed tracked vehicles, the drive differential is... Agent: Morton A. Polster Brown & Michaels, P.C.

20080103007 - Gyro precessional automatic transmission: An automatic transmission consisting of a planetary gear unit comprising in combination an input shaft (1), an input gear (2), a key planet gear (3), an output gear (4), an output shaft (5), a bearing planet gear (6), a rotating frame (7), a rotor (8), wherein the planet shaft is... Agent: Baker & Daniels LLP

20080103008 - Full traction differential with hybrid gearing: The compact, all-gear full-traction differential includes meshing pairs of side-gear worms and worm-wheel balance gears having a “hybrid” design. Preferably, the teeth of each side-gear worm have an involute profile but are cut with only plunge feed, while the teeth of the worm-wheel portions of the balance gears are helicoid... Agent: Morton A. Polster Brown & Michaels, P.C.

20080103009 - Self-contained torque-coupling assembly: A torque-coupling assembly comprises a shaft member, a fluidly sealed hollow coupling case containing an amount of a hydraulic fluid therewithin and rotatably mounted about the shaft member a friction clutch assembly disposed within the coupling case for selectively engaging and disengaging the coupling case and the shaft member, and... Agent: Berenato, White & Stavish

20080103010 - Electronic differential lock assembly: An electronic differential lock assembly includes a shift collar that is movable in response to an electronic signal from an unlocked position where axle shaft speed differentiation under predetermined conditions is permitted to a locked position where a pair of axle shafts is fixed for rotation together. Speed differentiation is... Agent: Carlson, Gaskey & Olds, P.C.

20080103011 - Steer drive for tracked vehicles: The differential steering drive for a vehicle includes a drive differential and a steering differential. The vehicle includes respective left and right driving traction elements, a propulsion engine with an engine crankshaft, and a steering wheel rotatable by an operator to indicate an intended direction of travel. At least one... Agent: Morton A. Polster Brown & Michaels, P.C.

20080103012 - Gear train of an automatic transmission for a vehicle: An eight speed gear train of an automatic transmission includes first and second planetary gear sets as simple planetary gear sets, a third planetary gear set as a compound planetary gear set, and a plurality of friction members. The first planetary gear set reduces engine speed from an input shaft... Agent: Morgan, Lewis & Bockius LLP (sf)

20080103013 - Multi-step automatic gearbox: A multi-step automatic gearbox comprising a drive shaft (AN), a driven shaft (AB), a double planetary front mounted gearset (VS), a main gearset (HS) which is embodied as a coupled planetary gearset comprising at least three non-coupled input elements and an output element, in addition to six shift elements (A... Agent: Davis Bujold & Daniels, P.l.l.c.

20080103014 - Multi-speed transmission: A multi-speed transmission with reverse and forward gears has input and output shafts, planetary gearsets, six shafts and six shifting elements. The input shaft couples the sun gear of gearset (P2) and detachably couples, via clutches (13, 14), respective shafts (3, 4). Shaft (3) couples the carrier of gearset (P1),... Agent: Davis Bujold & Daniels, P.l.l.c.

20080103015 - Gear train of an automatic transmission for a vehicle: A gear train of an automatic transmission for a vehicle includes first and second shifting sections and a plurality of friction members, wherein: the first shifting section includes first and second simple planetary gear sets forming a first input path for directly receiving an input shaft rotation speed and an... Agent: Morgan, Lewis & Bockius LLP (sf)

20080103016 - Modular planetary gear assembly and drive: An apparatus and method for a planetary gear assembly and drive is provided. The planetary gear assembly and drive has a space index of 60 and includes at least one planet gear with 15 teeth. The gear assembly and drive is capable of employing 1, 2, 3, 4, or 5... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080103017 - Vehicle transmission: A vehicle transmission includes a crankshaft extending through a seal cover and into an oil-storing end portion of a driven shaft. The oil-storing end portion of the driven shaft defines a lubricating space filled with lubricating oil, and extends into the seal cover. A unidirectional clutch is disposed in the... Agent: Christensen, O'connor, Johnson, Kindness, PLLC