Clutches and power-stop control inventions 11/08

20080289926 - Seal assembly for reducing fluid loss from transmission pump: An improved seal assembly is provided that minimizes loss of transmission pump pressure by controlling fluid flow past a torque converter hub bushing to meet bushing lubrication requirements without unnecessarily diminishing pump pressure and while also minimizing frictional losses. The seal assembly includes a rigid carrier adapted to fit between... Agent: Quinn Law Group, PLLC

20080289927 - Bicycle sprocket assembly with chain protector: A bicycle sprocket assembly includes a sprocket element and a chain protector. The sprocket element has a plurality of teeth disposed on an outer periphery about a center rotation axis and at least one first attachment element. The chain protector includes a protecting portion and an attachment portion disposed radially... Agent: GlobalIPCounselors, LLP

20080289928 - Ball screw drive having overload clutch: A ball screw drive has a housing in which a spindle nut is arranged on a ball screw spindle. An overload clutch disengages when a force acting on the ball screw spindle reaches a release force. A preloading device, with at least one adjusting member, can be set to a... Agent: Lerner Greenberg Stemer LLP

20080283351 - Power transfer/transmission apparatus: A power transfer/transmission apparatus includes clutch adjusting mechanisms that are easy to assemble and are stably supported, the power transfer/transmission apparatus has a clutch housing, the clutch housing includes a vertical wall (a flange and a vertical wall) connected to a joint shaft and a peripheral wall connected to the... Agent: Jordan And Hamburg LLP

20080283352 - Electromagnetic actuator: Electromagnetic actuators, components of electromagnetic actuators, clutches that use electromagnetic actuators, and methods associated therewith for improved electromagnetic actuator operation and manufacturing methods. Embodiments of an electromagnetic actuator of the present disclosure includes a configuration of a housing and a flux washer relative a shaft helps to reduce the travel... Agent: Brooks, Cameron & Huebsch , PLLC

20080283355 - Hydraulic system for a vehicle: A hydraulic system for actuating a clutch of a vehicle, in particular a commercial vehicle, having a pressure reducing valve under system pressure for pressuring the clutch with an actuating pressure in normal operation, where at least one additional reserve valve assembly is provided for emergency operation. In addition, a... Agent: Alfred J Mangels

20080283353 - Brass alloy and synchronizing ring: A wear-resistant brass alloy is ideally suited for manufacturing a synchronizing ring for use in couplings, brakes, transmissions, etc. The brass alloy contains 55-68% by weight of copper, 0-6% by weight of aluminium, 2-14% by weight of manganese, 0.5-3% by weight of phosphorus, 0-1% by weight of lead, unavoidable impurities... Agent: Lerner Greenberg Stemer LLP

20080283354 - Device for locking a vehicle transmission and corresponding manufacturing method: A device for locking a vehicle transmission including a toothed wheel connected to the vehicle drive wheels via a transmission element, and a locking pivoting finger capable of being engaged between two consecutive teeth of the toothed parking wheel to immobilize the drive wheels via the toothed parking wheel. The... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080277222 - Torque converter with cooling fluid flow arrangement and arrangement for torque transfer to a damper: A torque converter including: a pump shell; a cover; and a backing plate for a torque converter clutch fixed by contact with the cover and the pump shell. In some aspects, the backing plate is fixed by axial pressure exerted by the cover and the pump against the backing plate.... Agent: Simpson & Simpson, PLLC

20080277223 - Torque converter with cooling fluid flow arrangement and arrangement for torque transfer to a damper: A torque converter including: a membrane forming a portion of a release chamber for the clutch; a friction plate for a torque converter clutch, the plate rotationally connected to a turbine hub and disposed within the release chamber; and a damper element rotationally connected to the turbine hub and to... Agent: Simpson & Simpson, PLLC

20080277224 - Method and apparatus for the setting of the torque transmitted by a friction clutch: A method and apparatus for the setting of the torque transmitted by a friction clutch by means of an actuator chain having an electric motor which effects a displacement of a pressure plate of the friction clutch via a reduction gear and a mechanism for the conversion of the rotary... Agent: Harness, Dickey & Pierce, P.L.C

20080277226 - Stamped pilot welded to a cover: A torque converter including a cover having a central longitudinal axis and an outer surface and a pilot stamped from metal. The pilot includes a disc at least partially radially aligned with the axis for the cover. The pilot and the cover central axis are fixedly secured to each other.... Agent: Simpson & Simpson, PLLC

20080277225 - Three-pass torque converter with sealed piston and forced cooling flow: A torque converter assembly including a cover shell and a piston for a lock-up clutch. The piston is fixedly attached to the cover shell and the piston is flexible to operate the clutch. At least a portion of the piston at the point of attachment to the cover shell is... Agent: Simpson & Simpson, PLLC

20080277227 - Torque converter with anti-rattle and cooling flow arrangement: A torque converter including: a carrier for a torque converter clutch, the carrier rotationally connected to a turbine shell; an apply chamber for the clutch; and a first pressure chamber in fluid communication with a second pressure chamber and a torus. Pressure in the apply chamber is controlled independent of... Agent: Simpson & Simpson, PLLC

20080277235 - Torque transfer mechanism: The present invention discloses and claims a torque transfer mechanism. The torque transfer mechanism connects an input shaft to an output shaft to transmit rotation and torque in either direction from the input shaft to the output shaft. The torque transfer mechanism also inhibits the transmission of rotation and torque... Agent: Dority & Manning, P.A.

20080277238 - Overrunning clutch clamping body: An overrunning clutch damping body (1) for an overrunning clutch comprises a first contact surface (2) and a second contact surface (3) for contacting respective clamping raceways. The curvature of the contact surfaces (2, 3) deviates from zero in each direction. Each of the contact surfaces (2, 3) is configured... Agent: Hedman & Costigan P.C.

20080277228 - Sealing system and wet-running dual-clutch system with a sealing system: A sealing system with at least one sealing device for a pressurizing-agent-operable actuating device, for sealing off a pressure chamber assigned to the latter from the surroundings. The individual sealing element being placed in a groove formed by the actuating device and a thin sheet metal element connected to the... Agent: Davidson, Davidson & Kappel, LLC

20080277229 - Method for controlling a motor vehicle drive train: A method for controlling a motor vehicle drive train including a combustion engine, an electric machine and a transmission, which are coupled by a summation gear system, having two input and one output elements, and a clutch. One input element is coupled to the crankshaft of the combustion engine, the... Agent: Davis Bujold & Daniels, P.l.l.c.

20080277230 - Hydraulic drive system with aggressive clutching: A hydraulic drive system for storing and releasing hydraulic fluid includes a high pressure storage device, a low pressure storage device, and a pump-motor operating at a range of pump-motor speeds for converting between hydraulic energy and mechanical energy. The pump-motor is disposed between the high pressure device and the... Agent: Rader, Fishman & Grauer PLLC

20080277231 - Multi-disk clutch: A multi-disk clutch having a plurality of interengaging disks movable along a longitudinal clutch axis and a resetting device for the mutual release of adjacent disks along a release distance, with the release distance being bounded by an abutment device. The abutment device includes at least one contact section of... Agent: Harness, Dickey & Pierce, P.L.C

20080277232 - Lubrication controlling method for starting clutch: The present invention provides a lubrication controlling method for a starting clutch including a wet type multi-plate clutch disposed between a transmission and an engine of a vehicle and adapted to transmit a power, the method comprising the steps of always supplying lubricant oil during an operation of the wet... Agent: Miles & Stockbridge PC

20080277233 - Clutch for a motor vehicle: In a clutch for a motor vehicle comprising a first (1) and a second shaft (4), a first (2) and a second (11) plate, which are connected in a manner fixed against relative rotation to the first shaft (1) and of which the first plate (8) has a higher thermal... Agent: Ingrassia Fisher & Lorenz, P.C. (gme)

20080277240 - Driving force transmitting device: A driving force transmitting devices is able to engage a main clutch with a small amount of hydraulic pressure. The driving force transmitting device includes an input shaft and an output shaft, and a main clutch. The device is formed of a primary clutch that intermittently transmits the driving force... Agent: Muramatsu & Associates

20080277239 - Motor vehicle hydraulic pump: A motor vehicle hydraulic pump (1) is provided comprising a gerotor rotor set or planetary rotor set and at least two output stages. A first output stage (10) of the hydraulic plump (1) is connected to a lubricant, in particular, a clutch lubricant. A second output stage (11) of the... Agent: Dickinson Wright PLLC

20080277234 - Synchronizer ring: A synchronizer ring (10) having a support body (5), a conical friction surface (9), and a friction layer (14) of a material including carbon fibers applied to the friction surface (9). The material is a compacted carbon fiber reinforced plastic. A synchronizer ring of this type has a longer service... Agent: Scully Scott Murphy & Presser, PC

20080277236 - Parking brake system: A parking lock device for the power train of motor vehicles with automatic transmissions having an actuator and a locking mechanism that is operated by the actuator. A power take-off of the power train locked in a closed condition by the locking mechanism and is free to rotatable in open... Agent: Davis Bujold & Daniels, P.l.l.c.

20080277237 - Actuator device for actuating a locking mechanism: An actuating mechanism (1) for operating a parking-lock mechanism of the drive chain of a vehicle with an automatic drive. The actuating mechanism has a piston unit (4), a detent element and an electromagnetic operating device (6) for operating a release element (7), which is intended for deactivating the detent... Agent: Davis Bujold & Daniels, P.l.l.c.

20080271966 - Using inferred torque converter impeller speed to control an impeller clutch: A method for controlling an impeller clutch of a torque converter includes determining a function relating a K-factor of the torque, determining a current engine torque, determining a desired impeller clutch slip, using the function determine the actual impeller speed and thus actual clutch slip, and adjusting the operating state... Agent: Macmillan, Sobanski & Todd, LLC

20080271970 - Torque arm assembly for a backstopping clutch: A torque arm assembly for a backstopping clutch is provided that enables load sharing among multiple torque arm assemblies, controlled release of load on the torque arm assembly and load sensing. The torque arm assembly includes a head member that is connected to an outer race of a backstopping clutch... Agent: Dykema Gossett PLLC

20080271967 - One-way clutch-containing rotation transmission apparatus: In order to provide a one-way clutch-containing rotation transmission apparatus of a high performance and an excellent durability, which shows a satisfactory lubricating property in a one-way clutch and a rolling bearing over a wide temperature range from a low temperature to a high temperature, in which an antirust agent... Agent: Sughrue-265550

20080271968 - Sealing arrangement and wet-running double-clutch arrangement having a sealing arrangement:

20080271969 - Shaft coupling: A shaft coupling device to couple first (10) and second (12) shafts, said device comprising a fluid coupling (14) having a first portion (14a) attached to the first shaft (10) and a second portion (14b) attached to the second shaft (12) wherein the device further comprises engagement means (44) operable... Agent: Oliff & Berridge, PLC