Clutches and power-stop control inventions 05/08

20080121484 - Torque transfer device: A torque transfer device for transferring torque between a drive unit and a shaft that is rotatable around an axis of rotation, in particular a transmission input shaft, having a hydrodynamic torque converter, which comprises a converter cover that is connectable to or connected to the drive unit, which converter... Agent: Simpson & Simpson, PLLC

20080121485 - Torque transfer device: A torque transfer device for transferring torque between a drive unit and a shaft that is rotatable around an axis of rotation, in particular a transmission input shaft, having a hydrodynamic torque converter, which includes a converter cover that is connectable to the drive unit, which converter cover may be... Agent: Robert P. Simpson Simpson & Simpson, PLLC

20080121483 - Hydrodynamic torque converter: A hydrodynamic torque converter includes a housing with an interior space and a pump wheel; a turbine wheel installed in the interior space and rotatable about an axis with respect to the housing; and a bridging clutch including a first friction surface formation connected essentially nonrotatably to the converter housing,... Agent: Cohen, Pontani, Lieberman & Pavane

20080121486 - Continuously variable transmission: A continuously variable transmission is disclosed for use in rotationally or linearly powered machines and vehicles. The transmission provides a simple manual shifting method for the user. Further, the practical commercialization of traction roller transmissions requires improvements in the reliability, ease of shifting, function and simplicity of the transmission. The... Agent: Knobbe Martens Olson & Bear LLP

20080121487 - Continuously variable transmission: A variable speed transmission having a plurality of tilting balls and opposing input and output discs is illustrated and described that provides an infinite number of speed combinations over its transmission ratio range. The use of a planetary gear set allows minimum speeds to be in reverse and the unique... Agent: Knobbe Martens Olson & Bear LLP

20080121490 - Actuating device with a least one actuating arm: The invention relates to an actuating device for moving a flap of a piece of furniture, comprising, at least one actuating arm for moving said flap, a base member on which said actuating arm is pivotally arranged, a spring device being able to act upon said actuating arm, wherein an... Agent: Wenderoth, Lind & Ponack, L.L.P.

20080121488 - Starting clutch: The present invention provides a starting clutch disposed between a transmission and an engine and having a wet type multi-plate clutch for transmitting a power, in which the wet type multi-plate clutch includes a plurality of friction plates housed for an axial sliding movement, and a clutch drum for housing... Agent: Miles & Stockbridge PC

20080121491 - Operation mechanism of working machine: Operation mechanism of a working machine includes a main clutch lever pivotably provided on an operating handle, and a pivot member operable in interlocked relation to pivoting operation of the main clutch lever. The pivot member pivots about a pivot point differing in position from a pivot point of the... Agent: Arent Fox LLP

20080121489 - Centrifugal clutch and actuator: A centrifugal clutch for coupling a drive shaft to a driven member at rotary speeds above a predetermined threshold, comprising: a centrifugal slider (302) with a massive enlargement (320) at one end and a first coupling formation; a frame (301) formed to carry the centrifugal slider on formations to constrain... Agent: Dickstein Shapiro LLP

20080116031 - Slave cylinder: A slave cylinder, especially for a hydraulic system of a motor vehicle, the slave cylinder including a housing with an outer tube and a fixing ring, and a guiding sleeve including an inner tube. The outer tube and the inner tube define a pressure chamber wherein a ring piston can... Agent: Davidson, Davidson & Kappel, Llc

20080116029 - Cushion plate: A cushion plate is provided, for example, between a piston of a hydraulic servo and an adjacent friction plate in a frictional engagement element of an automatic transmission. The cushion plate is deflected by a pressing force of the piston to absorb an engagement shock. The cushion plate includes a... Agent: George A. Loud

20080116030 - Gear brake device for a multi-speed manual transmission: The invention relates to a gear brake device for a multi-speed manual transmission (6), comprising a gear brake (14) assigned to an input gear shaft arrangement that can be controlled by a transmission control providing a synchronization function when upshifting the manual transmission (6). In order to expand the functions... Agent: Davis Bujold & Daniels, P.l.l.c.

20080110714 - Dual input clutch transmission with torque converter pump drive: A dual-input clutch transmission is provided having a torque converter with a rotatable hub, the transmission comprising a transmission pump having internal fluid channels and a rotor set which is drivingly connected to the hub, and a dual-input clutch in fluid communication with the transmission pump through the fluid channels.... Agent: General Motors Corporation Legal Staff

20080110715 - Fluid actuated overrunning coupling assembly: A coupling assembly includes a first coupling member having a pocket and a fluid passage that extends toward the pocket, and a second coupling member having a locking formation. The assembly further includes an engaging member that is received in the pocket and that is engageable with the locking formation.... Agent: Brooks Kushman P.c.

20080110716 - Clutch damper for a crankshaft: A clutch damper includes a one-way clutch in combination with a tuned torsional damper incorporated into an accessory belt pulley assembly configured for mounting to the outboard end of the crankshaft of an internal combustion engine. The clutch damper is advantageously applicable for use with electric hybrid vehicles having automatic... Agent: General Motors Corporation Legal Staff

20080110717 - Electromagnetic clutch apparatus: An electromagnetic clutch apparatus includes: a rotational shaft rotatable for an input and output of a rotational driving force; a rotor integrally rotated with the rotational shaft about an axis and provided with a plurality of magnetic poles each having a first polarity and a second polarity being different from... Agent: Buchanan, Ingersoll & Rooney Pc

20080110718 - Sintered clutch ring: A sintered clutch ring (1) is described, comprising a rim of clutch teeth (2) which comprise wedge-like face surfaces (3, 4) intersecting in an axial plane and flanks (5) sloping downwardly under an angle of inclination from the tooth back (6) against the tooth root, with the flanks (5) being... Agent: Collard & Roe, P.c.

20080110719 - Torque fluctuation absorbing apparatus: A torque fluctuation absorbing apparatus includes a hub member with a flange portion, first and second side-plates provided at both axial sides of the flange portion, respectively, a damper mechanism absorbing a fluctuation of a relative torque generated between the flange portion of the hub member and the first and... Agent: Buchanan, Ingersoll & Rooney Pc

20080105510 - Clutch mechanism: A clutch mechanism includes clutch members having an engaged position, in which torque generated by a drive is transmitted to an output, and a disengaged position, in which torque is not transmitted to the output. The clutch members are capable of slipping with respect to each other in order to... Agent: Morrison & Foerster LLP

20080105511 - Sleeve connector for electromagnetic clutch: The present invention relates to a sleeve connector for an electromagnetic clutch with a diode and a resistor for removing surge voltage and induced magnetic field generated from an electromagnetic clutch field coil assembly. According to the sleeve connector for an electromagnetic clutch of the present invention, an epoxy molding... Agent: Lowe Hauptman Ham & Berner, LLP

20080105512 - Torque fluctuation absorbing apparatus: A torque fluctuation absorbing apparatus including a limiter mechanism includes: a disc member connected to one of the driving-side member and the driven-side member, a first plate and a second plate connected to the other one of the driving-side member and the driven-side member; a frictional member fixed to the... Agent: Buchanan, Ingersoll & Rooney PC

20080105513 - Starting clutch: The present invention provides a starting clutch disposed between an engine and a transmission, comprising a clutch drum to which a rotation driving force is inputted from the engine and which holds a plurality of outer plates for an axial sliding movement, a hub member which is disposed in an... Agent: Miles & Stockbridge PC

20080099291 - Torque converter with fluid and viscous couplings: In one embodiment, a torque converter is provided with a fluid coupling and a viscous coupling. The viscous coupling includes a plurality of closely-spaced surfaces, wherein facing ones of the closely-spaced surfaces are alternately splined to rotate with driving or driven elements of the torque converter, and wherein the closely-spaced... Agent: Holland & Hart, LLP

20080099303 - Clutch-brake assembly: A clutch-brake assembly transmits force to rotate a shaft and to retain the shaft against rotation. The assembly includes a plurality of force transmitting members which transmit force between a piston and a base member. A plurality of springs urge the piston to move relative to the base member. A... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P.

20080099304 - Fluidly actuated sprag: A sprag is disclosed. The sprag is configured to operate in a first mode allowing substantially mutual rotation of inner and outer races about an axis and a second mode allowing relative rotation between the inner and outer races. The sprag includes at least one actuator configured to selectively extend... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20080099293 - Overrunning bi-directional clutch with controlled locking: The overrunning bi-directional clutch with controlled locking provides an actuator pin with either a reduced profile or an enlarged profile that is moved in a controlled manner so as to provide an extended period of time between the freewheel mode and the lock mode for the clutch.... Agent: Lucas & Mercanti, LLP

20080099292 - Overrunning bi-directional clutch with sprag elements: The overrunning bi-directional clutch uses sprags to increased torque and decreased size of the clutch.... Agent: Lucas & Mercanti, LLP

20080099295 - Overrunning bi-directional clutch as gear synchronizer and coupler: The over-running bi-directional clutch is used to synchronize gears in a transmission to allow for locking and unlocking the gears in an efficient manner.... Agent: Lucas & Mercanti, LLP

20080099294 - Three-mode overrunning bi-directional clutch: The three mode overrunning bi-directional clutch has a first mode where the slipper race and fixed race are coupled and power is not transmitted between the inner input shaft and the outer shaft. A second mode where the slipper race is uncoupled from the fixed race and the slipper race... Agent: Lucas & Mercanti, LLP

20080099296 - Torque limiter and separating roller and sheet separating mechanism using the same: A torque limiter includes a shaft assembly, a torque limiting element and two friction rollers. The shaft assembly has a middle section and two ends on two sides of the middle section. The torque limiting element coils around the middle section of the shaft assembly and contacts with the shaft... Agent: Birch Stewart Kolasch & Birch

20080099297 - Clutch-manipulation assist device: In a clutch manipulation assist device which includes a clutch assist actuator, the actuator is arranged at a position where it is possible to suppress the influence of heat from an engine on the actuator without requiring the heat insulation structure or the like. In a clutch manipulation assist device... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080099298 - Multi-plate clutch system: A multi-plate clutch system includes an outer clutch member having a plurality of first clutch plates thereon, a central spool having a plurality of second clutch plates thereon interspaced with the first clutch plates. The clutch system also includes a cam mechanism including a protruding cam and a recessed cam.... Agent: Carrier Blackman And Associates

20080099299 - Overrunning bi-directional clutch assembly: The overrunning bi-directional clutch assembly has two coaxial slipper rings and use one actuator to simultaneously uncouple the slipper rings and lock the clutch. Also, the actuator uses a pair of cam surfaces, and corresponding cam following surfaces to actively control freewheel and lock mode of the clutch. A tab... Agent: Lucas & Mercanti, LLP

20080099305 - Power unit for vehicle: A power unit for a vehicle can avoid an increase in the longitudinal size of an engine body and a vehicle body due to the provision of a clutch actuator. Clutches for switching between the connection and disconnection of the transmission of power are provided in a power transmission path... Agent: Birch Stewart Kolasch & Birch

20080099306 - Power unit for vehicle: A power unit for a vehicle including a clutch capable of making and breaking the transmission of power to a drive wheel. The clutch is interposed in the course of a power transmission path, along which rotational power of a crankshaft is transmitted to the drive wheel. The clutch is... Agent: Birch Stewart Kolasch & Birch

20080099300 - Apparatus and system for automatic centrifugal engagement of a pressure plate: An apparatus and system are disclosed for automatic centrifugal engagement of a pressure plate. The apparatus includes a clutch basket, a clutch pack capable of coupling the clutch basket with a center clutch, a pressure plate axially moveable toward the clutch pack, and a top plate coupled to a rotating... Agent: Kunzler & Mckenzie

20080099301 - Clutch for a transmission: The disclosed clutch includes a reaction plate, a friction plate, a friction layer, at least one non-compressible member and a fluid lubricant. The friction layer has a coefficient of friction that is sufficient to prevent relative rotation of the reaction and friction plates when the friction layer is compressed by... Agent: General Motors Corporation Legal Staff

20080099302 - Manipulation lever connection structure of vehicle: A manipulation lever connection structure for a vehicle eliminates a striking sound without losing an adjusting function of an adjustment nut. The manipulation lever connection structure for a vehicle includes an arm for operating a driving changeover device and for connecting a wire which extends from a manipulation lever to... Agent: Birch Stewart Kolasch & Birch