Clutches and power-stop control inventions 03/07

20070068759 - Hydrodynamic torque converter: In a hydrodynamic torque converter including a working fluid for the transmission of a torque from an engine to an output shaft, a pump impeller, a stator with guide vanes, a turbine wheel connected to the output shaft via a hub-like support, a converter lock-up clutch for locking the pump... Agent: Klaus J. Bach

20070068760 - Adjustment device for producing a two-sided rotational movement: An adjustment device for producing a two-sided rotational movement for window lifters and seat adjusters in motor vehicles, containing a drive element; an angle-shifting element with a hollow cylindrical bearing surface, driven by actuation of the drive element; a driven element; a coupling arranged in the power flux between the... Agent: Christie, Parker & Hale, LLP

20070068761 - Radially stacked dual dry clutch configuration: A radially stacked dual dry clutch apparatus for a dual clutch transmission is provided. The apparatus includes a housing, an outer clutch mounted to the housing, and an inner clutch mounted to the housing. The outer clutch includes a first plurality of engageable clutch plates, and a hub attached to... Agent: General Motors Corporation Legal Staff

20070068762 - Adaptive control of externally controlled fan drive: An externally controlled fan drive includes a fluid clutch that alters torque delivered to a fan housing to rotate the fan housing at a target fan speed. An adaptive controller measures the actual fan speed and adaptively updates the control logic to compensate for variable physical characteristics of the fan... Agent: Casella & Hespos

20070068763 - Electro-magnetic actuator for torque coupling with variable pressure-control spool valve: A torque-coupling assembly comprises a rotatable torque-coupling case, a friction clutch assembly for selectively engaging the torque-coupling case and an output shaft, a hydraulic pump for generating a hydraulic fluid pressure, a fluid control passage through which a hydraulic fluid is discharged from the torque-coupling case, and a variable pressure-control... Agent: Berenato, White & Stavish, LLC

20070068764 - Adapter for sprag clutch: an adapter assembly for converting a sprag clutch assembly in a recent but discontinued transmission into a sprag clutch assembly found in older transmissions thereby reengineering and upgrading the discontinued transmission for use with an older system.... Agent: The Weintraub Group, P.L.C

20070068765 - One-way clutch and electric parking brake device using the same: In a one-way clutch as used preferably in an electric parking brake device, a sector-shape input cam provided bodily with an input rotational member is inserted into a sector-shape cutout of an output cam provided bodily with an output rotational member, with clearances secured in the circumferential direction between circumferentially... Agent: Buchanan, Ingersoll & Rooney PC

20070062772 - Method for operating a drive train of a motor vehicle: In a method for operating a motor vehicle drive train during a shifting operation of a gearwheel change gearbox, the clutch is triggered for closing before the target gear is fully engaged. A control device determines a triggering moment for the clutch as a function of operational parameters and/or state... Agent: Crowell & Moring LLP Intellectual Property Group

20070062773 - Hydraulic control apparatus for an automatic dual-clutch transmission: The invention relates to a hydraulic control device for an automatic dual-clutch transmission which has a first clutch and a second clutch, having a control valve unit which predefines at least one hydraulic parameter such as pressure and/or one volume flow. Regulating this parameter engages or disengage the clutches. An... Agent: Viering Jentschura & Partners

20070062774 - Drive device for electrically movable vehicles and electric wheelchair having same: A drive device for electric vehicles comprises a casing 30, a motor 40 housed in the casing and having a rotating shaft 42, a housing 50 rotatably fitted around the casing and coupled to the outer end of the rotating shaft of the motor by a reduction gear mechanism 48,... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070062775 - Retention of an actuating spring in a one-way clutch or brake: A device for transmitting torque in one rotary direction includes a cam plate including notches spaced angularly about an axis, a rocker plate including pockets mutually spaced angularly about the axis, rockers, each rocker being located in a respective pocket for movement toward and away from engagement with a notch... Agent: Macmillan, Sobanski & Todd, LLC

20070062776 - Torque-controlling mechanism for transmission shaft: A torque-controlling mechanism for transmission shaft, including: a first shaft; a second shaft coaxially connected with the first shaft, the first and second shafts being synchronously or independently rotatable about the same axis; and a controlling unit arranged between adjacent first ends of the first and second shafts. The controlling... Agent: Troxell Law Office PLLC Suite 1404

20070062777 - Friction plates and reaction plates for friction clutches and brakes with reduced thermal stresses: A torque transfer apparatus including a torque transfer plate with reduced thermal stresses. The apparatus includes a housing and a pack including at least one pair of plates interacting to transfer torque. At least one of the plates includes a plurality of teeth with at least two slots to reduce... Agent: Bose Mckinney & Evans LLP James Coles

20070062778 - Actuating arrangement in a transmission for two pressure medium-actuatable shift elements: An activation assembly in a transmission for two pressure-activated friction shifting elements positioned immediately behind each other axially, basically on the same radial transmission diameter and are constructed as a disc coupling or a disc brake, each of which is associated with its own servo device. To activate the two... Agent: Davis & Bujold, P.l.l.c.

20070062779 - Parking lock mechanism of automatic transmission: A parking lock mechanism of an automatic transmission includes a parking gear provided in a casing, a parking pawl engaged with the parking gear to achieve a parking lock state, a parking rod moving in an axial direction to press the parking pawl against the parking gear, and a guide... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070062780 - Parking lock mechanism of automatic transmission: A parking lock mechanism of an automatic transmission includes a casing, a parking gear provided in the casing, a parking pawl engaged with the parking gear to achieve a parking lock state, and a “parking pawl holding portion” suppressing inclination of the parking pawl in an out-of-plane direction (a direction... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070056821 - Lock-up clutch mechanism for torque converter: The present invention provides a lock-up clutch mechanism for a torque converter, in which a plurality of friction materials are arranged concentrically in a radial direction and adjacent friction materials are integrally connected to each other.... Agent: Miles & Stockbridge PC

20070056820 - Torque transmission device: The present invention relates to a torque transmission device in the drive train of a motor vehicle for torque transmission between a drive unit, in particular an internal combustion engine, a gearbox, and with a hydrodynamic torque converter. The torque converter lockup clutch comprises outer lamellae which work together with... Agent: Simpson & Simpson, PLLC

20070056822 - Hydraulic coupling with disconnect clutch: A power transfer assembly for use in a motor vehicle and having a hydraulic coupling operable to transfer drive torque to a driveline in response to slip. The hydraulic coupling includes a transfer clutch, a clutch operator for engaging the transfer clutch, a fluid actuation system including a fluid pump... Agent: Harness, Dickey & Pierce, P.L.C

20070056824 - Torque coupling with actuator system for adaptive clutch and disconnectable lubrication pump: A torque coupling having an actuation system operable to control actuation of a transfer clutch in coordination with actuation of a pump clutch. The transfer clutch is disposed between a pair of rotary members to transfer drive torque therebetween. The pump clutch is operable for selectively coupling a fluid pump... Agent: Harness, Dickey & Pierce, P.L.C

20070056823 - Torque coupling with disconnectable lubrication pump: A pump system that pressurizes a fluid includes a shaft, a first rotor and a second rotor that is selectively driven by the shaft. Relative rotation between the first rotor and the second rotor generates variable sized pockets therebetween to pressurize the fluid. A clutch regulates a degree of coupling... Agent: Harness, Dickey & Pierce, P.L.C

20070056825 - Overrunning coupling assembly including clustered pawls and method for controlling the engagement of planar members: An overrunning coupling assembly and a method of controlling the engagement of planar first and second members are provided wherein the assembly includes clustered pawls and their respective pawl-holding portions. The planar first and second members have inside surfaces extending generally normal to a first axis. The pawls include a... Agent: Brooks Kushman P.C.

20070056826 - Power transfer devices with on-demand lubrication systems: A vehicle includes an engine that generates drive torque and a power transfer device that selectively transfers the drive torque to a driveline. The power transfer device includes an input shaft, an output shaft and a torque biasing system. The torque biasing system has a clutch pack and an actuator... Agent: Harness, Dickey & Pierce, P.L.C

20070056827 - Clutch device for motorcycle: A clutch device for a motorcycle includes a body, at least two centrifugal weights pivotably mounted on a side of the body, and at least two springs. Each centrifugal weight includes a through-hole extending from an inner side thereof through the outer periphery face thereof. A spring-attaching member is mounted... Agent: Rosenberg, Klein & Lee

20070051577 - Series-parallel multistage torque converter damper: A method and apparatus for damping torque output from a torque converter turbine to input to a transmission. The damper includes: (a) an input device for connection to an engine; (b) a first spring set having drive springs; (c) a second spring set having secondary springs; (d) a third spring... Agent: Simpson & Simpson, Pllc

20070051578 - Damped clutch plate system and method: The invention seeks to minimize the vibration and noise in a clutch plate system, by damping either or both the clutch plate and pressure plate with the use of various engineered viscoelastic materials. A clutch plate assembly is provided, comprising a plate body having a first surface and a second... Agent: Quinn Law Group, Pllc

20070051579 - Differential unit structure: A differential unit structure includes a transmission shaft having a connecting tube. The connecting tube comprises a chamber to accommodate first friction plates for a driven shaft to insert therein. The driven shaft has a connecting rod engaging with second friction plates. An engaging seat is to urge the first... Agent: Rosenberg, Klein & Lee

20070051580 - Clutch control regulator valve with end of fill detection: A torque-transmitting regulating system employs a valve mechanism, which distributes fluid pressure from a pressure source to a torque-transmitting mechanism by control for the engagement and disengagement thereof. The valve mechanism has associated therewith a pressure sensor mechanism, which distributes a control signal to the electronic control module (ECM) to... Agent: General Motors Corporation Legal Staff

20070045074 - Slip clutch cooling configuration: The present invention is one or more torque converter clutch friction pad attached to a friction plate configured to more easily remove heat generated by the friction of a clutch engaging the friction plate. The invention resides in one or more circular grooves set into the friction surface of the... Agent: C. Richard Lohrman Simpson & Simpson, PLLC

20070045075 - Driving force transmitting apparatus: A driving force transmitting apparatus includes: a first torque-transmitting member having a cylindrical portion and provided with a spline tooth; a second torque-transmitting member positioned inside the cylindrical portion and arranged coaxially rotatably relative to the first torque-transmitting member; a main clutch with a spline tooth; an actuator unit for... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070045076 - Axially engaging and disengaging one-way clutch and a stator having an axially engaging and disengaging one-way clutch: The present invention broadly comprises a stator for a torque converter with first and second plates. The first plate is connected to a rim for the stator and includes at least one first opening. The second plate is connected to the a hub for the stator and includes at least... Agent: Simpson & Simpson, PLLC

20070045077 - Clutch of automatic transmission: A first friction member supporting member is provided on an inner circumference of a clutch retainer and a second friction member supporting member is provided on an outer circumference of a hub. A piston is disposed within the clutch retainer and is moved by hydraulic pressure to thereby generate friction.... Agent: Morgan, Lewis & Bockius LLP (sf)

20070045078 - Hydraulic fluid plenum plate assembly: A hydraulic fluid plenum plate assembly in a torque-coupling assembly, non-rotatably mounted to a rotatable coupling case thereof so as to form a plenum chamber between the plenum plate assembly and the coupling case. The coupling case has an inlet port fluidly connecting the plenum chamber with a hydraulic pump... Agent: Berenato, White & Stavish, LLC

20070045079 - Cap member for internally geared bicycle hub: A cap member of an internally geared hub includes a cap body and a first seal member. The cap body has a side wall part and an outer cylindrical part provided with an internally threaded section that meshes with external threads of a cylindrical member of a hub shell. The... Agent: GlobalIPCounselors, LLP

20070045080 - Internally geared hub ball pushing unit: An internally geared hub ball pushing unit is configured to be mounted on a hub axle such that is less likely to experience a decrease in bearing durability resulting from deformation of the ball pushing surface. The ball pushing unit is provided with an inside member and an outside member.... Agent: GlobalIPCounselors, LLP