Clutches and power-stop control inventions 06/09

20090159388 - Clutch arrangement with a clutch drive: A clutch arrangement includes a clutch device for transmitting torque between a clutch housing and a takeoff, wherein a pressure element and an opposing pressure element cooperate to establish and release a working connection between at least one drive-side clutch element and at least one takeoff side clutch element. The... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090159387 - Ratchet one way clutch with hardened blocking plate: A one-way clutch, including: a first annular element; a second annular element arranged to lockingly engage with the first element for relative rotation of the second element, with respect to the first annular element, in a first rotational direction; a third annular element at least partly rotatable about the axis... Agent: Simpson & Simpson, PLLC

20090159389 - Clutch end-of-fill detection strategy: A system and method for controlling a hydraulic transmission uses a solenoid valve having a pressure sensor linked to the valve body operable to sense a hydraulic fluid pressure within a cavity of the valve body and to transmit an electrical signal based on the sensed pressure. The transmitted signal... Agent: Leydig, Voit & Mayer, Ltd

20090159390 - Friction one-way clutch: The present invention is a friction one-way clutch that may be used with automotive components such as a stator in a torque converter. The clutch includes a circular outer race attached to the stator, a flat wedge ring having at least one wedge and fit into an inner perimeter of... Agent: Simpson & Simpson, PLLC

20090159391 - Overrunning coupling assembly: An overrunning coupling assembly includes a control element mounted for controlled shifting movement between coupling faces of annular coupling members relative to a first set of pockets in the first member. The control element is operable for controlling position of only reverse struts in the first set of pockets without... Agent: Brooks Kushman P.C.

20090159392 - Independent variable drive assemblies for wheels on a snowblower and related methods: Drive assemblies and related methods are provided particularly suited for a snowblower. The drive assemblies include a transmission wheel disposed about a shaft and rotatably movable for rotating at least one wheel. The transmission wheel has a contact surface. The drive assemblies also include a drive pulley having a drive... Agent: Jenkins, Wilson, Taylor & Hunt, P. A.

20090152068 - Anti-rotation mechanism for a closed piston torque converter: A piston plate anti-rotate mechanism in a closed piston, three passage torque converter including a cover having an inner radial surface, a drive plate comprising an annular plate, a piston plate having an axial inner crown, a front annular edge, an axial skirt, and a back annular edge, wherein the... Agent: Simpson & Simpson, PLLC

20090152067 - Double overlap backing plate attachment: A torque converter having a transverse axis of rotation, a cover having an inner diameter and an inner annular surface, an impeller shell having an inner diameter and an inner annular surface, and an annular backing plate having an outer diameter and an outer annular surface, wherein the cover, impeller... Agent: Simpson & Simpson, PLLC

20090152066 - Torsional vibration damper and hydrodynamic torque converter device for an automotive drive train: The invention relates to a torsional vibration damper (10) and a hydrodynamic torque converter device (1). Said device has a converter torus (18) which is configured by an impeller (12), a turbine wheel (14) and a stator (16), and a converter lockup clutch (20). The torsional vibration damper (10) has... Agent: Simpson & Simpson, PLLC

20090152072 - Immersed wrap spring device: A wrap spring device includes a first hub and a second hub located axially to the first hub. A wrap spring is located externally and concentrically about the first and second hubs and glycol-based solution surrounds the spring. The spring is engaged and disengaged thereby causing the first and second... Agent: Dicke, Billig & Czaja

20090152069 - Pressure plate assembly: A pressure plate assembly for a friction clutch with automatic wear compensation, including a housing which can be attached to a flywheel for rotation in common; a pressure plate installed in the housing and movable axially with respect to the housing; and an energy storage device supported against the housing... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20090152070 - Controller for automatic transmission: During a period wherein a manual shift valve moves to a P gear range position after issuance of a D-to-P instruction instructing that a vehicle be stopped, an interior of an automatic transmission is interlocked. Specifically, the interior of the automatic transmission is interlocked by, in addition to engagement of... Agent: Sughrue Mion, PLLC

20090152071 - Deceleration device for vehicle, electronic parking brake and electronic motor brake using reduction device: The present invention provides a deceleration device for a vehicle comprising a planetary gear set having three parts of a sun gear, a carrier, and a ring gear; a driving motor connected and supplying a rotational force to one of the three parts of the planetary gear set; a speed... Agent: Morgan, Lewis & Bockius LLP (sf)

20090145712 - Power transmission mechanism: A power transmission mechanism for transmitting power between a driving engine and an output drive, including: an input and an output; a hydrodynamic component with a pump wheel and a turbine wheel; an apparatus for at least partially bridging over the hydrodynamic component, the apparatus including a control device with... Agent: Simpson & Simpson, PLLC

20090145713 - Magnetorheological fan coupling: A magnetorheological fan coupling (10) having a fan-drive subassembly (12), an electromagnet subassembly (14), and a magnetic medium (16). The fan-drive subassembly (12) includes an output member (22) and an input member (20) rotatably mounted around the output member (22) with the magnetic medium (16) therebetween. The magnetic medium (16)... Agent: Borgwarner Inc. Attention: Patent Docket Administrator

20090145719 - One-way clutch of sprag type: The present invention provides a one-way clutch of sprag type comprising an outer race having an inner peripheral track surface, an inner race disposed within the outer race and having an annular outer peripheral track surface, the outer and inner races being disposed concentrically to be rotated relative to each... Agent: Miles & Stockbridge PC

20090145718 - Overrunning clutch: An overrunning clutch has a first race, a second race, a set of pawls between the first race and the second race and a set of springs between the first race and the second race, one spring for each pawl and each corresponding spring biasing the corresponding pawl into a... Agent: Quarles & Brady LLP

20090145714 - Load-torque lock: The invention relates to a load-torque lock (10) for automatic locking of load-side torques in the event of a drop or discontinuation of a drive-side torque, comprising a housing (11) which is fixed to a chassis and axially oriented means of attack (19), an output shaft (34) and axially oriented... Agent: Michael J. Striker

20090145715 - Actuation subsystem of variable compression ratio control system for internal combustion engine: The VCR actuation system includes a drive means, a connecting means, and an actuator means. The drive means includes generally identical first and second clutch assemblies. The clutch assembly includes a clutch driver plate assembly mounted on the power shaft of an engine, and a clutch driven plate assembly rotatably... Agent: Masami Sakita

20090145716 - Device for double friction cone coupling for gearbox: A device for coupling between a gearbox shaft and an idle pinion borne thereby including a hub fixed on the shaft, and a coupling mechanism equalizing by friction speeds of the shaft and the idle pinion and for transforming rotational movement received from the hub into an axial thrust on... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090145717 - Holder for a sensor body for a position sensor: A holder for a sensor body for a position sensor. The holder has a holder housing. A circular cylindrical recess with a bottom in the holder housing. A head is connected to one end of the sensor body and the head is adapted, concentrically and by being to a limited... Agent: Ostrolenk Faber Gerb & Soffen

20090139815 - Control of fluid pressure in a torque converter of an automatic transmission: A system for controlling hydraulic fluid supplied to a torque converter of an transmission includes a torque converter including a chamber containing an impeller and a turbine, and a bypass clutch having a variable torque capacity, a source of variable control pressure, a latch valve changes in response to the... Agent: Macmillan, Sobanski & Todd, LLC

20090139821 - Hydrodynamic torque converter and method for producing the same: In a hydrodynamic torque converter having a turbine shell and a torsion damper spring carrier jointly mounted to a carrier part by way of rivets extending through aligned openings in the turbine shell and the spring carrier, rivets with rivet shanks and a rivet heads are inserted through the aligned... Agent: Klaus J. Bach

20090139816 - 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, a converter torus which is configured by an impeller, a turbine wheel and a stator, and a converter lockup clutch. The torsional vibration damper has a first energy accumulating device with... Agent: Simpson & Simpson, PLLC

20090139820 - Power transmission device and method of assembly of a damper configuration in a power transmission device: e

20090139818 - Torque converter: In sliding engagement of a clutch plate of a lock-up clutch with a front cover of a converter housing, with a difference in rotational speed therebetween, the sum of the urging force of a coil spring and the force of a lock-up discharge hydraulic pressure in a front side chamber... Agent: Bacon & Thomas, PLLC

20090139817 - Torque converter having an integrated cover with bearing support: A torque converter including a cover, the cover having an axis and having an axially extending flange about the axis, the flange defining an aperture, a pilot fitted within the aperture, and a turbine hub connected to the flange.... Agent: Davidson, Davidson & Kappel, LLC

20090139819 - Torque converter with connector plate for a clutch plate and arc spring: A torque converter including a lock up clutch, the lock up clutch including a piston and a clutch plate, a spring, and a connector plate, the connector plate connecting to the clutch plate at a connection and drivingly engaged with the spring at a spring engagement, the connection to the... Agent: Davidson, Davidson & Kappel, LLC

20090139822 - Torque-controlling actuator clutch and tool system having the same: A torque-controlling actuator clutch is used in a tool system with a motor for rotating a bit. The actuator clutch includes a driving shaft rotatingly driven by the motor, a driven shaft operatively connected to and rotated by the driving shaft, the bit removably attached to the driven shaft, a... Agent: Blakely Sokoloff Taylor & Zafman LLP

20090139827 - Clutch control device: A clutch control device for controlling the operation of a hydraulically operated clutch with a flow control valve. The control device includes a volume flow regulating valve that enables both volume flow regulated filling and volume flow regulated emptying of a hydraulic clutch positioning element, to provide rapid and precise... Agent: Alfred J Mangels

20090139826 - Motorcycle-use power unit: In a motorcycle-use power unit in which a clutch device arranged in a power transmission path between a crankshaft and a drive wheel is housed in a clutch chamber which is defined between a crankcase and a clutch cover joined to a side surface of the crankcase, the maintenance of... Agent: Birch Stewart Kolasch & Birch

20090139823 - Handlebar clutch-lever assist: Clutch lever assist for capturing and holding a motorcycle clutch lever in its clutch-disengaged position. The assist mounts on the handlebar and has a catch that pivots between a capture position and a release position. The motorcycle operator pulls the clutch lever in toward the clutch-disengaged position and uses a... Agent: Bohan Mathers

20090139824 - Friction clutch, particularly for a motor vehicle, comprising differentiated friction means: A clutch comprises at least one damper (22) having rotating input (24) and output (26) elements, elastic elements having a circumferential effect carried by the first (28) and second (30) guide washers connected in rotationally fixed manner to one of the input (24) and output (26) elements and via a... Agent: Berenato, White & Stavich

20090139825 - Toroue fluctuation absorber: A torque fluctuation absorber, including: an output plate that is rotatably disposed; a first rotating plate disposed for movement in the direction of rotation of the output plate relatively from the output plate; a first elastic member engaged with the output plate and the first rotating plate and capable of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.