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Clutches and power-stop control April category listing, related patent applications 04/10

20100101914 - One way clutch: A one way clutch arranged for coupling a transmission having a stator shaft to a torque converter stator including a hub having an outer circumferential edge having a first wall extending perpendicularly therefrom and an inner circumferential edge having a hub spline arranged thereon, the first wall having at least... Agent: Simpson & Simpson, PLLC

20100101909 - Overrunning decoupler with locking mechanism: An overrunning accessory decoupler with a locking mechanism provides the desired overrunning accessory decoupler functionality and also permits torque to be transferred from the accessory to which the decoupler is installed to the drive of the engine when desired. In one embodiment, the decoupler includes a locking mechanism that is... Agent: Magna International, Inc.

20100101910 - One-way clutch of roller type: The present invention provides a one-way clutch of roller type comprising an outer race having a plurality of pockets provided at their inner peripheries with cam surfaces, an inner race coaxially arranged with respect to the outer race, rollers disposed in the respective pockets and adapted to transmit torque between... Agent: Miles & Stockbridge PC

20100101911 - Overrunning clutch having a damping device: A positively locking overrunning clutch, which has a damping device, comprises a drive input element and a drive output element and also at least one blocking element which blocks a rotation of the drive output element relative to the drive input element in a first rotational direction and enables the... Agent: Lucas & Mercanti, LLP

20100101912 - Clutch arrangement, in particular wet-running dual clutch arrangement: The invention relates to a clutch arrangement (1, K1, K2), in particular of disc-type design, comprising two clutch parts (4, 5, 6, 7) which have at least one element (4.1-4.n, 5.1-5.n, 6.1-6.n, 7.1-7.n) which forms a surface of a friction pairing and which bears friction surfaces, which clutch parts (4,... Agent: Lucas & Mercanti, LLP

20100101913 - Clutch system and method for controlling a clutch system: The invention relates to a device and to a method for controlling a coupling system having a coupling provided with a hydraulic actuation system, which includes an adjustable coupling part for connecting and separating a power transmission path between a coupling input side and a coupling output side, a hydraulic... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20100096231 - Wet-running clutch arrangement: A wet clutch arrangement, particularly a wet plate clutch or lockup clutch including a first friction face formation coupled with a housing arrangement for rotation around an axis of rotation and a second friction face formation coupled with an output member for rotation around the axis of rotation, and a... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20100096232 - Hydraulic actuation valve arrangement for dual clutch transmission: A control system is provided for a multiple clutch transmission (10) having at least three synchronizers (74, 76, 78, 80) with opposed acting alpha and beta pressure chambers (106, 104) to selectively synchronize alpha or beta gears with a rotating shaft. The control system includes a pressure source (124), a... Agent: Warn, Hoffmann, Miller & Ozga, P.C.

20100096233 - Multi-gap magnetorheological fluid clutch: A vehicle has a multi-gap magnetorheological fluid (MRF) clutch connecting rotatable input and output members, and includes a drum connected to the output member and a rotor connected to the input member. The drum contains a magnetically-permeable stator and a magnetic core, while the rotor has a magnetically-permeable member extending... Agent: Quinn Law Group, PLLC

20100096235 - One-way clutch of roller type: The present invention provides a one-way clutch comprising an outer race having at least one pocket provided at its inner periphery with a cam surface and having a stepped portion formed on an inner diameter side of an axial one end face of the outer race; an inner race spaced... Agent: Miles & Stockbridge PC

20100096236 - One-way clutch of roller type: The present invention provides a one-way clutch comprising an outer race provided with a pocket, an inner race arranged coaxially with the outer race, a roller adapted to transmit torque between the outer race and the inner race, a cage having a cylindrical portion with a window and a flange... Agent: Miles & Stockbridge PC

20100096234 - Structure of one-way bearing: A one-way bearing includes inner and outer races and balls and springs set between the races. The outer race defines accommodation chambers that respectively receives balls and springs therein in a movable manner and is composed of first and second compartments. The first compartment has a front wall surface from... Agent: Leong C Lei

20100096237 - Damper clutch of torque converter: A damper clutch of a torque converter of the present invention can reduce generation of abnormal vibration and a booming noise in low speed and also, can lower engaging torque and enhance fuel efficiency with multiple elastic damping force. A damper clutch of a torque converter includes a plurality of... Agent: Morgan, Lewis & Bockius LLP (sf)

20100096238 - Impregnating method for the production of wound coupling coatings: The invention relates to a wound friction coating and a method for the production thereof.... Agent: Lucas & Mercanti, LLP

20100089713 - Hydrodynamic torque converter: A hydrodynamic torque converter with a pump, a turbine and a stator, having an increased thickness on the suction side of blade profiles of blades in the stator relative to the pressure side of the blades, in order to reduce the pump torque of the torque converter at low to... Agent: Simpson & Simpson, PLLC

20100089714 - Rotational direction switching clutch unit: The clutch unit includes an input gear 12, an output gear 13 and a reverse input gear 14 which are axially arranged, and a spring clutch 26. The input gear 12 includes an input clutch portion 15, and the output gear 13 includes an output clutch portion 16 that is... Agent: Wenderoth, Lind & Ponack, L.L.P.

20100089715 - Double clutch: A double clutch may include an input shaft, a first output shaft disposed coaxially with the input shaft, a second output shaft enclosing the first output shaft and disposed coaxially with the first output shaft, a first clutch pack disposed between the first output shaft and the input shaft, a... Agent: Morgan, Lewis & Bockius LLP (sf)

20100089716 - Clutch: A clutch of hydraulic-pressure type comprising a linearly controlled piston (300) that is movable in a channel in the clutch and that carries a pivotally mounted support leg (208) that is spring biased into axial alignment with the piston, the side of which facing away from the support leg is... Agent: Dickstein Shapiro LLP

20100089717 - Mechanical slip failsafe system for a heavy duty multi-speed fan clutch: A failsafe system for a heavy-duty multi-speed clutch includes a thermal valve coupled within a clutch pressure tube orifice circuit protecting a clutch pack from heat degradation. When oil temperature of the clutch reaches a level where thermal degradation can occur, the thermal valve allows flow into a clutch piston... Agent: John A. Artz P.C. John A. Artz

20100084237 - Enhanced pressure balancing of an oil pump rotor for an automatic transmission: A transmission includes a torque converter and an oil pump for providing fluid. The transmission has a stator shaft and a torque converter hub mounted on the stator shaft, defining an annular chamber between the stator shaft and the torque converter hub. A pump rotor for the oil pump is... Agent: Quinn Law Group, PLLC

20100084238 - Power transmission device: A power transmission device for power transmission between an engine and a power output, comprising at least an input and an output, a hydrodynamic component with an impeller- and a turbine wheel and a device for partially bypassing at least the hydrodynamic component with a servo unit featuring a piston... Agent: Simpson & Simpson, PLLC

20100084239 - One-way clutch of roller type: The present invention provides a one-way clutch of roller type comprising an outer race having at least one pocket provided at its inner periphery with a cam surface, an inner race spaced apart from the outer race radially inside of the outer race and coaxially arranged for a relative rotational... Agent: Miles & Stockbridge PC

20100084240 - Clutch device with fastening means for fixing the output hub: A clutch device includes an engine-side input hub having a driver disk, a transmission-side output hub adapted to be coupled to the engine-side input hub, and a fastening means for axially fixing the output hub to a transmission shaft and adapted to be actuated even after the coupling of the... Agent: Bliss Mcglynn, P.C.

20100084241 - Friction engagement apparatus: {Problem Solving Means} The friction engagement apparatus comprises a case 11 forming part of a power transmission apparatus, a plurality of friction plates 12 splined to the case 11, a plurality of friction plates 14 splined to a rotation element 13, an annular piston 15 having a cylindrical wall portion... Agent: Gifford, Krass, Sprinkle,anderson & Citkowski, P.c

20100084242 - multi-late clutch and method: A multi-plate clutch includes a plurality of drive plates that are rotationally coupled to a concentric shell wherein keys radially extending from each drive plate are slidably received in axial channels formed in the interior surface of the shell. The enhancement of the wear resistance of the keys of single... Agent: Fulwider Patton LLP

20100084243 - Use of a brake: The invention relates to the use of an electric, hydrodynamic or electromagnetic brake for reducing the rotational speed of a drive-side shaft of a gear mechanism.... Agent: Kusner & Jaffe Highland Place Suite 310

20100078281 - Hybrid drive device: A hybrid drive device, which has a motor generator on a power transmission path between an engine and an automatic transmission apparatus, includes a fluid clutch having a pump impeller, to which a rotational force generated by the engine is inputted, and a turbine impeller being rotated when receiving a... Agent: Buchanan, Ingersoll & Rooney PC

20100078282 - Automatic transmission: An automatic transmission includes first and second clutches disposed adjacent, wherein each of the first and second clutches includes a friction plate; a clutch drum in spline engagement with the friction plate; a piston that with the clutch drum forms a hydraulic oil chamber therebetween; a return spring that biases... Agent: Oliff & Berridge, PLC

20100078283 - Clutch assembly: A clutch assembly for connecting a shaft to a rotary member mounted on said shaft in a rotationally fixed manner comprises: a sliding sleeve which is rotationally fixed to the shaft, is axially slidably mounted on said shaft and is provided with a first gearing, A clutch body which is... Agent: Hayes Soloway P.C.

20100078284 - Torque transferring arrangement: A torque transferring arrangement (10) includes a member defining a first part and a second part and a first element (16) in frictional contact with the first part, the first element (16) defining a first maximum torque transfer limit determined by the frictional contact between the first element (16) and... Agent: Klein, O'neill & Singh, LLP

20100078285 - Multiple disc clutch: A multiple disc clutch includes a pressing member movable in an axial direction and which turns together with an output shaft to compress driving friction plates and driven friction plates, a clutch spring that axially presses the pressing member, a clutch lifter arranged coaxially with the pressing member and a... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20100078286 - Multi-plate clutch: A multi-plate clutch includes a clutch inner member, having a cylindrical portion and a pressure-applying plate portion, and a pressure-receiving plate opposite the pressure-applying plate portion with plural driving and driven friction plates interposed therebetween. The multi-plate clutch also includes a center cam having a disc portion, an assist cam... Agent: Carrier Blackman And Associates

20100078289 - Multiple disc clutch: A multiple disc clutch includes a pressing member that can be axially moved and that is turned together with an output shaft so as to compress driving friction plates and driven friction plates, a ringed set plate is provided on a side of the pressing member so as to receive... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20100078287 - Clutch friction material and method of forming same: A friction material is provided for a friction member of a torque-transmitting mechanism. The friction member has a woven carbon fiber fabric base. A coating is applied to the base to form a portion of a contact surface positioned to contact a reaction member during engagement of the torque-transmitting mechanism.... Agent: Quinn Law Group, PLLC

20100078288 - Transmission switching element: An electromagnetically actuated transmission shifting element of a motor vehicle, in particular an electromagnetically actuated transmission brake (1), having a disk packet (3) and an electromagnetic actuator (7, 8, 9) for adjustable compression, to a greater or lesser extent, of the disk packet (3) and with at least one speed... Agent: Davis & Bujold, P.l.l.c.