Planetary gear transmission systems or components inventions 04/08

20080096711 - Variable speed accessory drive system: The present invention provides an accessory drive system for a vehicle. The accessory drive system includes a planetary gear set having a first, second, and third planetary member. A torque transfer device operatively connects an engine with the first planetary member. A motor/generator is operatively connected to the second planetary... Agent: General Motors Corporation Legal Staff

20080096712 - Transmission: To provide a transmission capable of using pump/motors or generator/motors of smaller maximum torque and of small size. The transmission includes input shaft (4), output shaft (16), a mechanical transmission part interposed between input shaft (4) and output shaft (16) including planetary gear mechanisms (5), (6), and a hydrostatic transmission... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080096713 - Overdrive and underdrive power converting modulators, and methods: Power converting modulators used with internal combustion engines in driving loads. Such modulator includes an overdrive and/or underdrive mechanism based on a planetary gear assembly. The planetary gear assembly is modulated such that the overdrive or underdrive ratio varies continuously and smoothly with respect to speed of the engine, and... Agent: Wilhelm Law Service, S.c.

20080096714 - Lubrication of windmilling journal bearings: A support shaft provides lubrication to a journal bearing during windmilling operation of a gear set. A primary oil pump provides oil from an oil supply during driven operation of the fan, and a secondary oil pump provides oil from an internal sump during windmilling operation of the fan. During... Agent: Carlson, Gaskey & Olds/pratt & Whitney

20080096715 - Tapered roller bearing and differential gear apparatus: An outer peripheral surface of an inner ring extends straight along outer peripheral surfaces of tapered rollers, and is open at a front side of a tapered roller bearing which is a lubricating oil supply side. A smaller-diameter end portion of a cage is cut in a radial direction to... Agent: Mcginn Intellectual Property Law Group, PLLC

20080096716 - Continuously variable transmission: A mechanism that transmits torque and speed of rotation from an input axle to an output axle in a continuously variable way, includes two planetary gear sets arranged along parallel axes, the planetary gears having teeth on the external perimeters of their ring gears (4, 13) that mesh one with... Agent: Young & Thompson

20080090688 - Locker clutch control for a differential mechanism: A motor vehicle driveline that can transmits power in a 4×4 mode includes two front wheels, a rear drive shaft, a differential mechanism for transmitting power to two rear axle shafts connected driveably through the differential to the rear driveshaft, and a clutch for engaging and disengaging a drive connection... Agent: Macmillan, Sobanski & Todd, LLC

20080090689 - Clutch assembly: A clutch consists of transmission gears, pistons, a switch on each piston, and a passive gear; the transmission gears are fitted on a fly wheel; each piston is pivoted to an inner side of a clutch cover at a fixed end, and pivoted to a respective transmission gear at a... Agent: Rosenberg, Klein & Lee

20080090691 - Drive for a vehicle, in particular a lorry: A drive has a drive source with an outgoing drive shaft, which can be connected via a clutch to a first input of a gear, which is formed by an input shaft. The gear also has an output, which is formed by an output shaft. The gear also has a... Agent: Law Offices Of Eric Karich

20080090690 - Variable speed transmission with rotating and orbiting drive gears: The present invention relates to transmission systems and changing gear ratios within power transmission systems. In particular, the present invention relates to a positive displacement variable speed transmission. The transmission includes one or more drive gears which orbit, rotate, and which translate radially to change the size of the orbital... Agent: Workman Nydegger

20080090692 - Transfer case center differential: A torque transfer assembly for use in a motor vehicle having a power source, a first set of wheels and a second set of wheels. The torque transfer assembly includes a first shaft adapted to be driven by the power source, a second shaft adapted to transmit torque to the... Agent: Harness, Dickey & Pierce, P.L.C

20080090693 - Planetary transmission having a continuously variable transmission ratio: A planetary transmission having a continuously variable transmission ratio. Two sun wheels with sun wheel outer circumferential surfaces are rotatable coaxially at different rotational speeds and coaxially spaced from each other. A ring wheel is coaxial with the sun wheels and has a radially inner circumferential surface. Planet wheels having... Agent: Alfred J Mangels

20080085801 - Cvt hydromechanical drive: A CVT hydromechanical drive having: an engine (12) rotating a propeller shaft (11); a hydrostatic unit (13), in turn having a hydraulic pump (14) and a hydraulic motor (15) connected hydraulically to each other; an epicyclic transmission (16); a number of clutches (CH1, CH2, CH3); a differential; and an assembly... Agent: Cnh America Llc

20080085802 - Drive assembly for an operating unit of an agricultural implement or an agricultural machine: A drive assembly for an operating unit (9) of an agricultural implement or an agricultural machine has a clutch (4) with an input (34). The input (34) is mechanically and drivingly connected to a drive engine (1). A summarizing gear unit (8) has a first input (20), a second input... Agent: Harness, Dickey & Pierce, P.L.C

20080085803 - Automated inter-axle differential lock sensor configuration and calibration method: The present invention relates to an automatic inter-axle differential sensor configuration (i.e., location) and calibration method for a vehicle having a tandem drive axle. The method involves determining the speed of the vehicle, determining pulses per minute from each inter-axle differential sensor via the vehicle electronic control unit (ECU), where... Agent: Marshall & Melhorn, Llc

20080085804 - Limited slip differential with crown gears: A limited slip differential (2) includes a differential carrier (3) which is rotatingly drivable around an axis of rotation (A), two sideshaft gears (13, 14) which are arranged coaxially relative to the axis of rotation A and which are axially floatingly held in the differential carrier 3, as well as... Agent: Dickinson Wright Pllc

20080085805 - Multi-speed transmission: A transmission is provided having an input member, an output member, three 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. The torque transmitting... Agent: General Motors Corporation Legal Staff

20080085806 - Multi-speed transmission: A transmission is provided having an input member, an output member, three 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. The torque transmitting... Agent: General Motors Corporation Legal Staff

20080085807 - Multi-speed transmission: A transmission is provided having an input member, an output member, three 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. The torque transmitting... Agent: General Motors Corporation Legal Staff

20080085808 - Multi-speed transmission: A transmission is provided having an input member, an output member, three 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. The torque transmitting... Agent: General Motors Corporation Legal Staff

20080085809 - Multi-speed transmission: A transmission is provided having an input member, an output member, three 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. The torque transmitting... Agent: General Motors Corporation Legal Staff

20080085810 - Multi-speed transmission: A transmission is provided having an input member, an output member, three 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. The torque transmitting... Agent: General Motors Corporation Legal Staff

20080085811 - Multi-speed transmission: A transmission is provided having an input member, an output member, three 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. The torque transmitting... Agent: General Motors Corporation Legal Staff

20080085812 - Multi-speed transmission: A transmission is provided having an input member, an output member, three 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. The torque transmitting... Agent: General Motors Corporation Legal Staff

20080085813 - Multi-speed transmission: A transmission is provided having an input member, an output member, three 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. The torque transmitting... Agent: General Motors Corporation Legal Staff

20080081723 - Multi-mode electrically variable transmissions with at least one brake and three clutches: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including three differential gear sets, a battery, two electric machines serving interchangeably as motors or generators and four or five selectable torque-transfer devices. The selectable torque transmitting devices are engaged to yield an EVT... Agent: General Motors Corporation Legal Staff

20080081722 - Multi-mode electrically variable transmissions with interconnected gearsets: The electrically variable transmission family of the present invention provides low-content, low-cost electrically variable transmission mechanisms including first, second and third differential gear sets, a battery, two electric machines serving interchangeably as motors or generators and four selectable torque-transfer devices. The selectable torque transmitting devices are engaged to yield an... Agent: General Motors Corporation Legal Staff

20080081724 - Power split transmission with energy recovery: Power split drive (PSD) transmissions capable of energy recovery and suitable for use in automotive applications. Each PSD transmission includes a mechanical transmission system for mechanically transmitting mechanical power between a rotatable input shaft and a rotatable output shaft, and a hydraulic transmission system containing a fluid for hydraulically transmitting... Agent: Hartman & Hartman, P.C.

20080081725 - Vehicular transmission: A vehicular transmission includes a shift drum center with a plurality of gear train establishment notches disposed, equally spaced apart from each other, on the outer periphery thereof. The gear train establishment notches establish a specific gear train selected from among a plurality of gear trains by selectively engaging a... Agent: Birch Stewart Kolasch & Birch

20080081726 - Transfer device having planetary gear-type speed change mechanism: A transfer device having a planetary gear-type speed change mechanism includes a transfer case, a planetary gear mechanism having a sun gear, a carrier, a plurality of pinion shafts, a plurality of pinion gears and a ring gear, an input shaft, an output shaft, a clutch hub, a shift sleeve... Agent: Buchanan, Ingersoll & Rooney PC