Planetary gear transmission systems or components inventions 09/08

20080234087 - Power transmission device and process implementing such device: The present invention concerns essentially a power transmission device (1) between a shaft (2) of a thermal engine (3) and a shaft (4) of wheels (5). This transmission device (1) comprises a first and a second electric machine (6, 7), as well as a mechanical assembly (9). In a first... Agent: Nicolas E. Seckel Patent Attorney

20080234088 - Step automatic transmission: An automatic transmission of a motor vehicle, comprising a plurality of planetary gear units; a plurality of frictional elements, the frictional elements assuming engaged/disengaged condition upon receiving a ratio change instruction thereby to establish a desired speed of the transmission with the aid of the planetary gear units; a deceleration... Agent: Foley And Lardner LLP Suite 500

20080234089 - Drive unit for continuously variable rotational speed control and its use: A drive unit (1) for continuously, variably controlling rotational speed and reversing the rotational direction of at least one output shaft. The drive unit (1) having two identical transmission modules (2, 3) with a common input (4) and a way for power splitting a continuously variable rotational speed and reversing... Agent: Davis Bujold & Daniels, P.l.l.c.

20080234090 - Multiple gear transmission with magnetic control: A multiple gear transmission with magnetic control for vehicles or for use in drive technology includes an input shaft supported on a frame and an output shaft. The input shaft protrudes from the frame at least one end and the output shaft protrudes from the frame at one end. Transmission... Agent: Greenblum & Bernstein, P.L.C

20080234091 - Transfer case with overdrive mode: A transfer case includes an input shaft and first and second output shafts. An overdrive unit is driven at an increased speed relative to the input shaft. A clutch is operable in a first position to establish a drive connection between the input shaft and the first output shaft. The... Agent: Harness, Dickey & Pierce, P.L.C

20080234092 - Gear transmission: A gear transmission comprises a traveling load detection means including an upstream detection member, a downstream detection member and a biasing member. One of the upstream and downstream detection members is an axially slidable detection member which is axially slidable along an output shaft. One of the upstream and downstream... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080234093 - Multi-speed gearbox: The eight-gear transmission comprises an input shaft (AN), an output shaft (AB), four planetary gearsets (RS1, RS2, RS3, RS4) and five gearshifting elements (A, B, C, D, E). The carrier (ST4) of the fourth gearset (RS4) and input shaft (AN) are connected. The carrier (ST3) of the third gearset (RS3)... Agent: Davis Bujold & Daniels, P.l.l.c.

20080234094 - Transistor-type universal driving: The present invention relates to the transistor type universal driving which has three shafts as transistor, i.e. driving shaft, driven shaft and control shaft and can provide non-step speed reduction, non-step speed increase, overloading adaptation control, automatic and remote control. The structural character of the transistor type universal driving is... Agent: Fulwider Patton LLP

20080234095 - Planetary gear: When, according to the invention, a one-stage planetary gear is constructed with radially resilient planet wheels and sun shaft (1), and where the centre axes are parallel with the sun axis and positioned closer to it than the axes of the planet wheels (2), a good engagement between the contact-bearing... Agent: William J. Sapone Coleman Sudol Sapone P.C.

20080227576 - Device for power transmission between a heat engine output and an axle shaft and related power transmission method: The present invention concerns a device (1) for power transmission between an output (2) of a heat engine (3) and an axle (5) shaft (4) and a related power transmission method. Said device comprises an input shaft (10) connected to the output (2), an output shaft (14) connected to the... Agent: Nicolas E. Seckel Patent Attorney

20080227577 - Hybrid transmission: In a hybrid transmission for a hybrid motor vehicle, with split power driving ranges, discrete gear steps and two electric drive motors (33, 34), a transmission arrangement is provided which results in low rotational speeds of the transmission elements, in particular of the planets while at the same time, the... Agent: Klaus J. Bach & Associates Patents And Trademarks

20080227578 - Internal combustion engine and vehicle having the internal combustion engine: An engine (internal combustion engine), in accordance with an embodiment, includes: a crankcase; a crankshaft accommodated in the crankcase; a first crank gear and a second crank gear disposed inside the crankcase to rotate about the crankshaft; a balancer gear meshed with the first crank gear to rotate as the... Agent: Macpherson Kwok Chen & Heid LLP

20080227579 - Automatic stepless transmission: An automatic stepless transmission includes a driving shaft, a driving disk rotatable by the driving shaft, and a clutch assembly rotatable by the driving disk. Two parallel guiding slots are provided on the driving shaft. An eccentric plate with a notch is sleeved onto the driving shaft. A compressible resilient... Agent: Byip, Ltd.

20080227580 - Automatic transmission and method of preventing over-revolution of the same: An automatic transmission comprising a plurality of planetary gears disposed between an input shaft and an output shaft and having a plurality of rotational elements, a plurality of frictional elements selectively engaged and released for controlling rotations and connections of the plurality of rotational elements in accordance with instructions so... Agent: Foley And Lardner LLP Suite 500

20080227581 - Axle housing with differential bearing support: An axle assembly for a motor vehicle comprises an axle housing having a central axis and first and second openings formed through the axle housing opposite to each other, a carrier with a differential bearing support supporting a differential thereon for rotation about the central axis, and an abutment member... Agent: Berenato, White & Stavish

20080227582 - Two-stage two-speed front differential: A variable speed front differential assembly for a vehicle is provided including a first side shaft, a second side shaft, and an input shaft. An offset differential case houses a differential mechanism engaging the first side shaft and the second side shaft. A speed selection assembly is movable from a... Agent: Dickinson Wright PLLC

20080227583 - Differential case for vehicle and differential device for vehicle including differential case: The differential case or the differential device for the vehicle comprises a case body 50 accommodating a pair of side gears 5R, 5L and a pinion gear 3 or 4 engaging in mesh with the side gears 5R, 5L, and a pinion gear supporter 53 accommodated in said case body... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080227585 - Outboard motor: A power transmission mechanism transferring a power output from an engine to a propeller includes a transmission planetary gear train that transforms the output power of the engine before it is transferred to the propeller. The transmission planetary gear train includes a transmission sun gear, a transmission double planetary gear... Agent: Yamaha Marine Kabushiki Kaisha C/o Keating & Bennett, LLP

20080227584 - Transmission assembly: The present invention provides a transmission assembly having a clutch housing, a gear arrangement disposed within the clutch housing, and a fixed component coupled to the clutch housing. A brake having a housing and a hub is also included. The housing is coupled to the fixed component and the hub... Agent: General Motors Corporation Legal Staff

20080227586 - Wide ratio transmissions with four planetary gear sets and three fixed interconnections: The transmission has a plurality of members that can be utilized in powertrains to provide at least eight forward speed ratios and one reverse speed ratio. The transmission includes four planetary gear sets having seven torque-transmitting mechanisms and tree fixed interconnections. The powertrain includes an engine and torque converter that... Agent: General Motors Corporation Legal Staff

20080227587 - Multi-speed transmission: A 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. The torque transmitting... Agent: General Motors Corporation Legal Staff

20080227588 - Bicycle hub transmission: A bicycle hub transmission basically includes a hub axle, a driver, a hub shell, a planetary gear mechanism and a clutch. The driver is rotatably supported relative to the hub axle. The hub shell is rotatably supported relative to the driver. The planetary gear mechanism is disposed between the driver... Agent: GlobalIPCounselors, LLP

20080220922 - Index table: There is provided a built-in type index table in which a power transmitting means scarcely has backlash and, at the same time, the space and cost can be saved. The index table includes a rotary table for setting a workpiece for a machine tool; a rotary table shaft fixedly provided... Agent: Birch Stewart Kolasch & Birch

20080220923 - Control system for a differential in a transmission: A control system for controlling an axle clutch between two half-axles in a motor vehicle is provided. The control system includes two solenoids and a pressure sensor in communication with a controller and a valve assembly. One of the solenoids provides a flow of fluid to engage the axle clutch.... Agent: General Motors Corporation Legal Staff

20080220924 - Vehicle planetary gear device: A vehicle planetary gear device includes a ring gear, a sun gear, and a carrier, and pinions housed in the carrier. A penetration hole formed in a hollow cylindrical portion of the carrier has two inner wall surfaces that face an outer peripheral surface of a pinion. One of the... Agent: Oliff & Berridge, Plc

20080220925 - Heavy duty transmission for bowl-mill roller crushers: A heavy-duty transmission for the drive of a bowl-mill roller crushers is disclosed, comprising a bevel gear stage (6; 7), a horizontal input drive shaft (5) and a vertical output drive shaft (8) and a multi stage planetary gearbox arrangement which is connected to the vertical output drive shaft (8)... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080220926 - Differential for vehicles: The differential for vehicles comprises a rotatable carcass (1) inside which are housed a pair of planetary gears (2) rotatably integral with the axle shafts of two of the wheels of the vehicle, and at least a pair of satellite gears (5) linked to each other and movable to each... Agent: Wolf, Block, Shorr And Solis-cohen LLP

20080220927 - Automatic transmission with dry clutches, multi-purpose actuators, or damper: An automatic transmission including a first number of dry clutches; a second number of brakes; a third number of actuators; and transfer elements. The transfer elements are connected to respective clutches and brakes by respective uninterruptible mechanical paths. The actuators are arranged to displace respective transfer elements to operate the... Agent: Simpson & Simpson, Pllc

20080220928 - Automatic transmission: In an automatic transmission 1, a clutch C-1, a clutch C-3, and a clutch C-4 are disposed in an axial direction more toward the planetary gear DP side than the planetary gear unit PU. The friction plates 21 of the clutch C-1 and the friction plates 31 of the clutch... Agent: Oliff & Berridge, Plc

20080220929 - Engine-driven vehicle having a gear mechanism for an auxiliary unit, in particular as a planetary gear set for integration into the drive of the auxiliary unit, and corresponding gear mechanism: The present invention relates to a gear mechanism, in particular to a planetary gear set, which can be used in a motor vehicle in order to make it possible, in an advantageous way in terms of energy, to drive auxiliary units of the motor vehicle from the main drive device... Agent: Steinfl & Bruno

20080214347 - Drive unit comprising nested electric motors: A drive unit (1) with a steering motor and a propulsion motor, a first (2) of the two motors having a hollow drive shaft (5) through which a drive shaft (14) of a second motor (10) passes. Winding heads (7) of the first motor are positioned radially inside winding heads... Agent: Davis Bujold & Daniels, P.l.l.c.

20080214348 - Working vehicle transmission system: A working vehicle transmission system comprises a PTO device for driving an external working device by power of a prime mover, and a multistage transmission for transmitting power from the prime mover to an axle. The multistage transmission includes a main speed-change mechanism and a sub speed-change mechanism. The main... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20080214349 - Power-branched transmission and method for the operation of such a transmission: Disclosed is a power-branched transmission, particularly for agricultural vehicles such as tractors or similar, having a stepped planetary gear which is disposed between an input shaft and an output shaft and is used for dividing the power supplied at the input shaft onto a mechanical power branch and a hydraulic... Agent: The Webb Law Firm, P.C.

20080214350 - Pressure assisted park servo: A pressure assisted park servo assembly for an automatic transmission includes a servo or spool valve which receives pressurized hydraulic fluid from various sources including two solenoid valves and transmission ports. The servo valve controls two flows of pressurized hydraulic fluid to a servo assembly to place the transmission in... Agent: Vivacqua Law, PLLC

20080214351 - Speed-change transmission apparatus: A speed-change transmission apparatus for effecting a speed-changing on an engine drive force with utilizing a continuously variable speed-change device, a plurality of planetary transmission mechanisms and a plurality of clutches is constructed to be capable of effecting the speed-changing operation smoothly, regardless of a centrifugal force generated in the... Agent: The Webb Law Firm, P.C.