Clutches and power-stop control inventions 08/09

20090211862 - Clutch with dual area piston and independent pressure control: The present invention provides a clutch having two pistons, a first piston defining a first, smaller area and a second piston, defining a second, larger area. The separate pistons are independently provided with flows of pressurized hydraulic fluid from first and second independent modulatable control valves. Engagement of the clutch... Agent: General Motors Corporation Legal Staff

20090211871 - Locking device for a start-stop operation of a starter generator: A torque-transmission system with a decoupler (1) between a shaft (2) and a belt pulley (3) of a starter generator is provided. The belt pulley can rotate relative to the shaft (2). For reducing rotary oscillations, the decoupler (1) includes a damping device arranged between the belt pulley (3) and... Agent: Volpe And Koenig, P.c.

20090211863 - Controllable overrunning coupling assembly: A controllable overrunning coupling assembly includes a control member mounted for controlled shifting movement between a first pair of coupling faces of first and second coupling members relative to reverse pockets formed in one of the coupling faces. The first pair of coupling faces oppose each other and are oriented... Agent: Brooks Kushman P.c.

20090211864 - Friction clutch: A friction clutch has a clutch housing including a friction plate, a clutch boss including a clutch plate, and a pressure plate causing the friction plate and the clutch plate to contact each other by moving in a predetermined direction. A clutch spring applies a biasing force in a direction... Agent: Jones Day

20090211865 - Dual clutch mechanism for a transmission: A dual clutch mechanism includes an input shaft (40) , a first output shaft (16) and a second output shaft (18). The mechanism includes a pair of clutch arrangements (20, 30) each having a set of intermeshed annular driving and driven discs frictionally compressible to selectively drive either the first... Agent: Borgwarner Inc. C/o Fitch, Even, Tabin & Flannery

20090211866 - Hydraulic control for a dual clutch transmission: A double clutch gearbox which has a first volume flow valve for actuating a first clutch, which is arranged downstream, a second volume flow valve for actuating a second clutch which is arranged downstream, and a first hydraulic power source for supplying the volume flow valves and the clutches with... Agent: Lucas & Mercanti, LLP

20090211867 - Wet clutch friction plate and multiple disc friction clutch apparatus: A wet clutch friction plate comprises a metal plate connected to a driving side, friction material layer(s) fixed to one or both side surface(s) thereof. A discharge groove is formed on one of the friction material layers and has an inclination against the direction of rotation from the inner peripheral... Agent: Miles & Stockbridge Pc

20090211868 - Motorcycle including centrifugal clutch: A centrifugal clutch for an engine includes a pressure plate that presses a friction plate into a clutch plate is provided. The clutch may include a plurality of roller weights that move on respective cam surfaces in a radially outward direction relative to the pressure plate in accordance with the... Agent: Jones Day

20090211869 - Power transmission device with friction clutch and power-operated clutch actuator: A torque transfer mechanism is provided for controlling the magnitude of a clutch engagement force exerted on a multi-plate clutch assembly that is operably disposed between a first rotary and a second rotary member. The torque transfer mechanism includes a power-operated face gear clutch actuator for generating and applying a... Agent: Harness, Dickey & Pierce, P.L.C

20090211870 - Clutch actuator device: A clutch actuator device of a saddle-ride-type vehicle includes: a first master cylinder which is generating an oil pressure; a first release cylinder which is performing an engagement/disengagement operation of a clutch upon reception of the oil pressure transmitted from the first master cylinder by way of a first hydraulic... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090211872 - Apparatus and system for a torque responsive clutch: An improved apparatus for varying the pressure applied to a clutch system that can be used to couple a rotational input with a rotational output. Depending on the load and direction of torque in the clutch system, the improved apparatus will engage a spring with more force or less force... Agent: Kunzler & Mckenzie

20090205916 - Torque converter rurbine side bearing centering and retention on the stator: A torque converter, including: a washer for a thrust bearing, the washer including a first circumferential surface facing radially outward; a stator hub with a second circumferential surface facing radially inward and free of an interlocking engagement with the first circumferential surface; and a shell for a turbine, the shell... Agent: Simpson & Simpson, PLLC

20090205917 - Magnetorheological clutch: The inventive magnetorheological clutch comprises a fixed part (1), a primary rotatable part provided with primary discs (4) and a secondary part (6) provided with secondary discs (14), wherein a magnetorheological fluid-containing space (19) is formed and a magnetic field acts on said magnetorheological fluid. The aim of said invention... Agent: Harness, Dickey & Pierce, P.L.C

20090205918 - Rotary-type selectable one-way clutch: A transmission includes a selectable one-way clutch (SOWC) assembly. The SOWC assembly includes a rotatable pocket plate, a rotatable slide plate, and an annular piston having a ramped surface feature. The piston, which can be hydraulically actuated, moves axially toward the pocket plate when applied, and axially away from the... Agent: Quinn Law Group, PLLC

20090205919 - Vehicle provided with torque damper: A torque shock or vibrations caused by the rotary inertia of a hydrostatic continuously variable transmission is reduced to improve ride quality of a vehicle when excessive torque occurs in a torque transmission path between a crankshaft and a drive wheel. A motorcycle includes a hydrostatic continuously variable transmission rotatably... Agent: Birch Stewart Kolasch & Birch

20090205920 - Vehicle provided with torque damper: A torque damper for a power unit includes a rotating shaft on which the torque damper is mounted to reduce the axial size and weight. A torque damper for absorbing excessive torque occurring in a torque transmission path between an output shaft of a running clutch and an intermediate shaft... Agent: Birch Stewart Kolasch & Birch

20090205921 - Torque limiting shaft flange assembly: A vehicle driveline that includes a first driveline component, which has a housing and a first power transmitting member, a second driveline component, which has a second power transmitting member, and a torque-limiting coupling that has a first clutch portion and a second clutch portion. The first clutch portion includes... Agent: Magna International, Inc.

20090205922 - Synchronizer ring with a fiber-reinforced, organic friction lining, and method for the production thereof: In a synchronizer ring including a fiber-reinforced, organic friction lining adhesively bonded to a conical surface area thereof, the friction lining is cut out of a flat sheet of organic friction material in the form of a number of strips which are curved in accordance with the shape of a... Agent: Klaus J. Bach & Associates Patents And Trademarks

20090205923 - Clutch unit: A clutch unit including a torsional vibration damper and having at least friction clutch, but can have two friction clutches combined into a twin clutch. The torsional vibration damper includes an input component that extends axially over the at least one friction clutch at the outer circumference of the friction... Agent: Alfred J Mangels

20090205925 - Clutch for torque transmission between a shaft and a roller which is arranged coaxially around the shaft: The present invention relates to a clutch (20) for torque transmission between a shaft (2) and a roller (30) which is arranged coaxially around the shaft (2), comprising pneumatically actuable means for selectively interrupting and/or producing a force flow between the shaft (2) and roller (30), wherein the clutch (20)... Agent: K&l Gates LLP

20090205924 - Double clutch system: A double clutch system for a drive train that includes a drive unit and a double clutch transmission. The double clutch system includes two wet-running, multi-plate clutches that include inner plate carrier components, each of which is non-rotatably connected to a respective transmission input shaft, and between which cooling oil... Agent: Alfred J Mangels

20090200135 - Freewheel clutch: The invention relates to a freewheel clutch having rags which are located between an inner locking track and an outer locking track and two sliding discs which each feature one inner axis adjacent to the inner locking tack, one outer axis adjacent to the outer locking track as well as... Agent: Lucas & Mercanti, LLP

20090200129 - Multi-position clutch: A multi-position clutch allows selectively coupling at least two of at least three rotatable shafts is described herein. The clutch comprises at least three cooperation elements respectively associated to one of the at least three rotatable shafts for selective engagement therebetween; the at least three cooperation elements are mounted to... Agent: Fulbright & Jaworski L.L.P.

20090200130 - Friction control element having a stroked state: A control element for opening and closing a drive connection between a first member and a second member includes a first ring engaged with the first member, displaceable among a disengaged position, a stroked position and an engaged position and formed with first serrations, a second ring engaged with the... Agent: Macmillan, Sobanski & Todd, LLC

20090200131 - Outer housing geometry for aligning clutch plates: An outer housing for a clutch assembly that allows for the housing to be placed over an already assembled multi-disc clutch pack. The outer housing incorporates a plurality of internally splined grooves, a lead-in chamfer to assist in the alignment of the center line between the housing and the center... Agent: Borgwarner/bhgl

20090200132 - Friction clutch: A pull-type friction clutch having an annular part that is axially clamped to a disk spring and is axially fixedly connectable to an actuation sleeve of an actuation system. The annular part has axially raised lugs on its face bearing against the disk spring, and the lugs engage in slots... Agent: Alfred J Mangels

20090200133 - Torsional vibration damper hub for a vehicle clutch: A torsional vibration damper hub for a vehicle clutch includes a first row of springs extending substantially in the clutch rotating direction and disposed in openings formed in first inner annular plate and first pair of outer annular plates; second row of springs extending substantially in the clutch rotating direction... Agent: Wrb-ip LLP

20090200134 - Vehicular transmission: A vehicular transmission, includes: an input shaft; a drive gear, fixed to the input shaft; an output shaft; a driven gear, brought in mesh with the drive gear, and provided at the output shaft; a hub configured to rotate along with the output shaft; a sleeve configured to rotate integrally... Agent: Birch Stewart Kolasch & Birch

20090200135 - Freewheel clutch: The invention relates to a freewheel clutch having rags which are located between an inner locking track and an outer locking track and two sliding discs which each feature one inner axis adjacent to the inner locking tack, one outer axis adjacent to the outer locking track as well as... Agent: Lucas & Mercanti, LLP

20090200129 - Multi-position clutch: A multi-position clutch allows selectively coupling at least two of at least three rotatable shafts is described herein. The clutch comprises at least three cooperation elements respectively associated to one of the at least three rotatable shafts for selective engagement therebetween; the at least three cooperation elements are mounted to... Agent: Fulbright & Jaworski L.L.P.

20090200130 - Friction control element having a stroked state: A control element for opening and closing a drive connection between a first member and a second member includes a first ring engaged with the first member, displaceable among a disengaged position, a stroked position and an engaged position and formed with first serrations, a second ring engaged with the... Agent: Macmillan, Sobanski & Todd, LLC

20090200131 - Outer housing geometry for aligning clutch plates: An outer housing for a clutch assembly that allows for the housing to be placed over an already assembled multi-disc clutch pack. The outer housing incorporates a plurality of internally splined grooves, a lead-in chamfer to assist in the alignment of the center line between the housing and the center... Agent: Borgwarner/bhgl

20090200132 - Friction clutch: A pull-type friction clutch having an annular part that is axially clamped to a disk spring and is axially fixedly connectable to an actuation sleeve of an actuation system. The annular part has axially raised lugs on its face bearing against the disk spring, and the lugs engage in slots... Agent: Alfred J Mangels

20090200133 - Torsional vibration damper hub for a vehicle clutch: A torsional vibration damper hub for a vehicle clutch includes a first row of springs extending substantially in the clutch rotating direction and disposed in openings formed in first inner annular plate and first pair of outer annular plates; second row of springs extending substantially in the clutch rotating direction... Agent: Wrb-ip LLP

20090200134 - Vehicular transmission: A vehicular transmission, includes: an input shaft; a drive gear, fixed to the input shaft; an output shaft; a driven gear, brought in mesh with the drive gear, and provided at the output shaft; a hub configured to rotate along with the output shaft; a sleeve configured to rotate integrally... Agent: Birch Stewart Kolasch & Birch

20090194385 - Positive-fit freewheel mechanism that can be electromechanically actuated, electromechanical brake with a freewheel mechanism of this type for a motor vehicle and method for adjusting the play in a brake of this type: The invention relates to an electromechanically switchable form-locking freewheel mechanism for preventing an electromechanical brake from releasing. According to the invention, the freewheel mechanism is embodied in the form of an electric motor in which a pivot angle of the armature is limited, the armature is counterbalanced and has a... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20090194381 - Method and apparatus for controlling a selectable one-way clutch in an electro-mechanical transmission: A selectable one-way clutch includes a strut plate co-annular to a slide plate and a notch plate. The selectable one-way clutch is configured to transfer torque between a strut plate and a notch plate in a first direction when a displacement actuator moves a pin and a slide plate to... Agent: Cichosz & Cichosz, PLLC

20090194382 - Clutch: The invention relates to a clutch for connecting a component at the driving end and a component at the driven end. Said clutch comprises at least one first and a second clutch part (2, 55; 1, 53). The aim of the invention is to create a clutch which can be... Agent: Connolly Bove Lodge & Hutz LLP

20090194383 - Dual clutch arrangement: A dual clutch arrangement for a dual clutch transmission for motor vehicles has a first and a second friction clutch. The friction clutches have a common input member and in each case one output member. The output member of the first friction clutch is connected to a first shaft. The... Agent: Knobbe Martens Olson & Bear LLP

20090194384 - Wet multi-plate clutch: A wet multi-plate clutch supplies lubricating oil via a lubricating gallery from an inner circumferential surface of a cylindrical member of a clutch hub to a plurality of plates. The lubricating oil is appropriately supplied to a space between adjacent plates even under an idle neutral control. In the wet... Agent: Westerman, Hattori, Daniels & Adrian, LLP