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Clutches and power-stop control May archived by USPTO category 05/09

20090133978 - Multi-plate clutch and hydrodynamic torque converter device having said multi-plate clutch: The invention relates to a multi-plate clutch (2) having a first plate carrier (48) and second plate carrier (50) and one or more first plates (52) received by the first plate carrier and one or more second plates (54) received by the second plate carrier. The clutch also comprises a... Agent: Simpson & Simpson, PLLC

20090133979 - Torque converter with lock-up clutch having a split piston: A torque converter including a housing, a lock-up clutch, the lock-up clutch having a split piston having a radial inner portion and a radial outer portion, and a drive plate connecting the housing and the outer portion.... Agent: Davidson, Davidson & Kappel, LLC

20090133980 - Torque-limiting connector: A torque-limiting connector includes an outer clutch having a plurality of biased outer teeth and an inner clutch configured to fit within the outer clutch, the inner clutch having a plurality of cantilevered inner members. Each of the plurality of cantilevered inner members has an inner tooth, wherein upon the... Agent: Agilent Technologies Inc.

20090133981 - Gear shifting point for the establishment of a connection, fixed against rotation, between a gear and a shaft: The invention relates to a gear shifting point (10) for producing a rotationally fixed connection between a toothed wheel (16, 18) and a shaft (12). Said gear shifting point (10) comprises a shaft (12), a sliding sleeve (24) and at least one toothed wheel (16, 18). The toothed wheel (16,... Agent: W Michael Dixon Patent Department

20090133982 - Synchronising ring for a synchronising apparatus, a friction lining blank and also a method for the manufacture of a synchronising ring: The invention relates to a synchronising ring for a synchronising apparatus of a change speed transmission, including a synchronising ring body with a friction lining, the friction lining being provided in a pre-determinable width between a first axial boundary surface of the friction lining and a second axial boundary surface... Agent: Robert S. Green

20090133983 - Cooling structure of clutch apparatus for transmission: A cooling structure of a clutch apparatus for a transmission includes a housing, a partition wall provided inside the housing, first and second chambers respectively formed inside the housing at first and second sides of the partition wall, a clutch mechanism provided inside the first chamber. A cylindrical clutch case... Agent: Buchanan, Ingersoll & Rooney PC

20090127050 - Normally closed three pass multi-function torque converter: A multi-function torque converter, including a pump clutch, and a resilient element arranged to close the pump clutch during operation of the torque converter in a torque converter mode. In one embodiment, the resilient element is arranged to close the pump clutch during operation of the torque converter in lock-up... Agent: Simpson & Simpson, PLLC

20090127049 - Power transmission mechanism: A power transmission mechanism including at least one hydrodynamic component and a device for at least partially bridging over the transmission of power through the hydrodynamic component by means of a control device, having an actuating mechanism that can be charged by way of a chamber that is chargeable with... Agent: Simpson & Simpson, PLLC

20090127051 - Fluid friction clutch: A fluid friction clutch with improved fluid pumping system. A scraping member is provided adjacent the clutch plate and has a duct which communicates with the reservoir chamber.... Agent: John A. Artz

20090127055 - Friction clutch and vehicle equipped with the same: A friction clutch includes clutch housing having a friction plate, a clutch boss having a clutch plate, a pressure plate, a sub clutch, and a power-assist mechanism. The power-assist mechanism receives torque from the pressure plate when the clutch is disengaged and converts the torque into a force for moving... Agent: Jones Day

20090127054 - Motorcycle with centrifugal clutch: A centrifugal clutch of a motorcycle has clutch housing which includes a friction plate, a clutch boss including a clutch plate, a pressure plate that pressure-contacts the friction plate with the clutch plate, a roller weight that receives a centrifugal force and presses the pressure plate toward a plate group... Agent: Jones Day

20090127056 - Multi-plate centrifugal clutch and vehicle equipped with the same: A centrifugal clutch for a vehicle includes a clutch housing having friction plates, a clutch boss having clutch plates, a pressure plate, and roller weights that press the pressure plate in a direction such that the friction plates and the clutch plates are brought into frictional contact with each other... Agent: Jones Day

20090127057 - Friction clutch and vehicle equipped with the same: A friction clutch includes a clutch housing having a friction plate, a clutch boss having a clutch plate, a pressure plate, a sub clutch, and a power-assist mechanism. An elastic member urges the pressure plate in a predetermined direction to press the friction plate and the clutch plate into frictional... Agent: Jones Day

20090127052 - Coupling assembly including one or more springs received within a coupling pack: A coupling assembly includes an annular housing, an inner member and a coupling pack including first and second sets of discs that alternate with each other and respectively have connections to the annular housing and the inner member. An actuator compresses the coupling pack to rotationally couple the annular housing... Agent: Brooks Kushman P.C.

20090127053 - Coupling assembly including retainers for holding coupling components within a housing: A coupling assembly including an annular housing, an inner member and a plurality of coupling components is provided. The coupling components include a coupling pack, an actuator and springs between the actuator and the inner member. A set of retainers in the form of retaining tabs hold the coupling components... Agent: Brooks Kushman P.C.

20090127058 - Multiple clutch assembly in particular for a motor vehicle, and an associated control method: The invention relates to a multiple clutch assembly comprising: first (5, 9) and second (7, 11) friction elements; first (15) and second (17) plates for applying pressure to said respective friction elements; first (21) and second (25) diaphragms for actuating said respective plates, each diaphragm being mobile between a disengaged... Agent: Berenato, White & Stavish, LLC

20090127060 - Power unit for vehicle and vehicle equipped with the same: A compact power unit for a vehicle having a clutch actuator is provided. The power unit includes a clutch actuator and a drive force transmission mechanism for transmitting the drive force of the clutch actuator to the clutch. The clutch actuator and the drive force transmission mechanism are arranged within... Agent: Jones Day

20090127059 - Clutch arrangement for motor vehicle transmission and method for engaging and disengaging a gearspeed: c

20090127061 - Method of feeding a clutch cylinder of a hydraulically actuated clutch system: A method of feeding a clutch cylinder in a hydraulically actuated clutch system in a motor vehicle and a respective hydraulically actuated clutch system are suggested. The clutch system comprises at least one clutch that can be closed by filling the clutch cylinder; and a hydraulic system that provides a... Agent: Alexander R Schlee SchleeIPInternational P.C.

20090127062 - Clutch drive apparatus and vehicle equipped with the same: A clutch drive apparatus includes a clutch actuator and a drive force transmission mechanism that transmits the drive force of the clutch actuator to the clutch. The drive force transmission mechanism includes a case body and a case cover that is closed on the case body and supports the clutch... Agent: Jones Day

20090127063 - Clutch drive device and vehicle equipped with the same: A clutch drive device includes an actuator for generating a drive force for driving a clutch, a first solid of revolution, a mechanism for transmitting the drive force of the actuator to the clutch, and an assist spring unit having one end pivotally supported and another end abutting on the... Agent: Jones Day

20090120754 - Hydrodynamic torque converter device for an automotive drive train: The invention relates to a hydrodynamic torque converter device for an automotive drive train, comprising a torsional vibration damper and a converter torus which is configured by an impeller, a turbine wheel and a stator. The torsional vibration damper has a first energy accumulating device with one ore more first... Agent: Simpson & Simpson, PLLC

20090120758 - Actuator for a vehicle clutch: An actuator for a clutch arranged between an engine and a transmission includes an annular cylinder part located concentrically with an input shaft to the transmission, and has a cylinder chamber and an annular piston connected to a throwout bearing. A part of the hydraulic piston arrangement or a position-sensing... Agent: Wrb-ip LLP

20090120755 - Coupling element in a motor vehicle gearbox and a method of manufacturing such a coupling element: A coupling element, for example a coupling sleeve (1), having coupling teeth (2) which, over a part (2a) of their length, have a gradually diminishing cross-sectional profile, a so-called back rake. Over the part, the coupling teeth have a portion (7b) nearest the tooth root having a first pressure angle,... Agent: Novak Druce + Quigg LLP

20090120756 - Drive mechanism and method: A drive train is used at least including an input shaft and an output shaft. A clutch member is rotatable by a clutch shaft about an axis of rotation. The clutch shaft is supported for lateral movement along the axis of rotation to move the clutch member to cooperate with... Agent: Pritzkau Patent Group, LLC

20090120757 - Fluid transfer tube: A torque-transfer assembly includes a fluid transfer tube located within a bore of a shaft. The fluid transfer tube seals to the shaft and includes at least one fluid groove that communicates between a plurality of fluid ports located in the shaft. The fluid groove is defined by an outer... Agent: General Motors Corporation Legal Staff

20090114496 - Friction coupling: A friction coupling for locking a shaft relative to a hub is disclosed. The friction coupling includes a radially deformable inner sleeve, a radially deformable outer sleeve, an annular piston which is axially movable relative to the inner sleeve and the outer sleeve, the annular piston having a conical surface,... Agent: Harness, Dickey & Pierce, P.L.C

20090114497 - Inflatable tube for coupling component and method for making an inflatable tube: An inflatable coupling component tube for a fluid-operated brake or clutch includes an elongated, generally tubular-shaped structure of predetermined length having two ends and a joint between the two ends that closes the tube to form a generally toroidal-shaped cavity. A coupling component for a fluid-operated brake or clutch that... Agent: Eaton Corporation Eaton Center

20090114498 - Clutch unit including a wet clutch: A clutch unit for use in the drive train of a motor vehicle between a drive unit and a transmission including at least one transmission input shaft. The clutch unit includes at least one wet clutch device that is provided with a plurality of clutch elements, in particular clutch discs,... Agent: Alfred J Mangels

20090114499 - Magnetic clutch pulley: The present invention is a magnetic clutch pulley, in which the welding deformation and the occurrence of beads can be reduced, thereby maintaining rotation balance. The invention includes: a hollowed housing 30 having belt grooves 31 formed on an outer circumferential surface thereof; and a rotor 32 provided with a... Agent: Ipla P.A.

20090114500 - Automatic transmission including clutch devices: An automatic transmission including a first clutch, a second clutch, a first drum in which a first piston of the first clutch is axially slidably received and that cooperates with the first piston to define a first oil chamber, a second drum disposed coaxially with the first drum, so as... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090114501 - Frictional engagement device: A wave washer is interposed on an inner peripheral groove via a snap ring. The wave washer urges a radiation direction outer end of a bottom plate member against a wall surface side of the inner peripheral groove in a direction of an axis.... Agent: Oliff & Berridge, PLC

20090114502 - Locking element for camshaft adjustors: The present invention relates to an insert element (3) for transmitting a force for a camshaft adjustment system. The insert element (3) has a first region (1) with an end surface (4) for receiving the force, and a second region (2) for conducting away the force. The end surface (4)... Agent: Volpe And Koenig, P.C.