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Clutches and power-stop control May archived by USPTO category 05/10

20100126816 - Hydraulic control device for torque converter with lock-up clutch: A control section determines a driving state of a vehicle and controls first and second solenoid valves on the basis of the determined driving state. An oil passage length of a second oil discharge passage is shorter than that of a first oil discharge passage and a discharge end of... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20100126817 - Bi-directional clutch without roller elements: Example aspects of the present invention broadly comprise at least two concentric rings with complementary ramped surfaces, at least one of the rings being rotatable relative to another one of the rings so that contact is made at the ramped surfaces. The complementary ramped surfaces form respective circumferences of the... Agent: Fitzpatrick Cella Harper & Scinto

20100126818 - Bi-directional coupling with axial disengagement: Example aspects of the present invention comprise two concentric rings, the rings movable relative to each other and defining a clearance between them for receiving at least one ball. The first ring is a coupling member, the second ring is a tubular slipper with a friction surface on the far... Agent: Fitzpatrick Cella Harper & Scinto

20100126819 - Wave spring holding structure and frictional engagement apparatus: A wave spring holding structure includes a wave spring that includes crest portions and recessed portions that are alternately formed in a circumferential direction thereof, and a first gap; a circular member provided to be rotatable around an axis; and an arc-shaped snap ring that includes a second gap, and... Agent: Sughrue Mion, PLLC

20100126820 - Friction clutch, vehicle equipped with the same, and assembly method of friction clutch: A clutch 44 has a clutch boss 441, a clutch housing 442, a friction plate 64, a clutch plate 65, and a pressure plate 450. The clutch boss 441 is attached to the main shaft 41 so as to be integrally rotated therewith. The clutch housing 442 encloses the periphery... Agent: Watchstone P+d, PLLC

20100126821 - Axially compliant clutch departure control sleeve: A torque transmitting apparatus includes a cover portion generally defined by a first axis. The cover portion includes a plurality of adjustment apertures. The apparatus also includes a flywheel coupled to the cover portion for rotation therewith, wherein the flywheel is restrained from axial movement relative to the cover portion.... Agent: Rader, Fishman & Grauer PLLC

20100126822 - Reverse clutch for rotatable inputs: An electromagnetic clutch includes an electromagnetic coil positioned within a coil housing. A pulley rotates relative to the housing and the coil. A shaft is rotatably supported by the housing. A hub plate is fixed for rotation with the shaft. A floating element is positioned between the pulley and the... Agent: Magna International, Inc.

20100122882 - Driven accessory with low-power clutch for activating or de-activating same: A driven accessory having a clutch that permits selective operation of an accessory portion. The clutch employs rotational inertia to control driving engagement of a wrap spring to an interior clutch surface on a drive member and/or driving disengagement of the wrap spring from the interior clutch surface.... Agent: Magna International, Inc.

20100122888 - Hydraulic one-way disc clutch assembly: A hydraulic one-way clutch assembly (HOWC) is configured for use in a vehicle transmission. The HOWC assembly includes a non-rotatable disc and a rotatable disc. The non-rotatable disc extends about an axis and defines at least one exhaust port extending therethrough. The rotatable disc extends about the axis and is... Agent: Quinn Law Group, PLLC

20100122883 - Selectable one-way clutch with radial integrated forward/reverse rockers: A selectable one-way clutch assembly (SOWC) includes a first race, a second race, a plurality of rockers, and a selector ring. The first race and the second race each surround the first axis. Each of the rockers selectively hold torque in a rotational direction to establish a clutch operating mode.... Agent: Quinn Law Group, PLLC

20100122884 - Spiral cam clutch actuation system: A power transmission device for a motor vehicle includes a clutch for transferring torque between first and second shafts. A clutch actuation system includes a drive member and a cam member in cooperation with one another. The drive member is driven by an electric motor and includes first and second... Agent: Magna International, Inc.

20100122885 - Od wiper: A viscous fan drive having improved pumping efficiency from removing fluid from a fluid operating chamber to a fluid reservoir chamber is achieved by providing a wiper element that is located within the radial clearance between the clutch and the housing that effectively seals leakage paths leading (upstream) and trailing... Agent: Borgwarner Inc. Patent Department

20100122886 - Bicycle hub that will not drive the pedal and will not produce noise when the hub is rotated in the backward direction: A hub for a bicycle includes a shaft, a hub body, a ratchet wheel, a damper, a drive seat, a plurality of pawl members, and a plurality of elastic plates. The ratchet wheel has a plurality of oneway ratchet teeth. The drive seat has a support base which has a... Agent: Kamrath & Associates P.A.

20100122887 - Hydraulic clutch assembly for a motor vehicle driveline: In at least one embodiment, a hydraulic clutch assembly for a motor vehicle driveline is provided. The clutch assembly comprises an input member, and output member and a friction clutch pack operably disposed therebetween for controlling torque transfer. A first fluid circuit contains hydraulic based fluid at a first pressure... Agent: Borgwarner/bhgl

20100116617 - Isolator with one-way clutch: An isolator comprising a one-way clutch engaged with a hub structure, a belt engaging member, a resilient member operationally engaged between the one-way clutch and the belt engaging member, the belt engaging member engaged with the hub structure through a first and second ball bearing where by a radial load... Agent: The Gates Corporation

20100116610 - One-way clutch of roller type: The present invention provides a one-way clutch comprising an outer race provided with a pocket and having a groove portion formed at an inner diameter side of an axial one end face of the outer race, an inner race arranged coaxially with the outer race, a roller disposed in the... Agent: Miles & Stockbridge PC

20100116611 - One-way clutch of roller type: The present invention provides a one-way clutch comprising an outer race, an inner race, a roller adapted to transmit torque between the outer race and the inner race, a cage having a window for holding the roller, a spring disposed in the pocket between the outer race and the roller... Agent: Miles & Stockbridge PC

20100116612 - Production method for disc spring and clutch apparatus provided with coned disc spring: A clutch apparatus is equipped with two clutch structures having a clutch drum therein. A driven plate and a piston are provided in the clutch drum of each clutch structure, and a primary coned disc spring and a secondary coned disc spring, which are ring-shaped, are provided between the driven... Agent: Oliff & Berridge, PLC

20100116613 - Force transmission device: A force transmission device including at least one input and one output, a hydrodynamic component disposed there between, and a vibration damper disposed subsequent thereto in the force flow, which vibration damper comprises at least one damper input connected torque proof to the hydrodynamic component and at least one axial... Agent: Simpson & Simpson, PLLC

20100116614 - Ratcheting one-way clutch: The present invention is a ratcheting one-way clutch for an automotive component such as, for example, a stator for a torque converter. A plurality of ramp plates is provided that are positioned on either side of the catch plate. Each ramp plate includes a series of locking fingers directed at... Agent: Simpson & Simpson, PLLC

20100116615 - Power transmitting apparatus: A transmission includes a transmission case, an oil pan that is defined in a lower portion within the transmission case and stores a lubricating medium capable at least of lubricating components of the transmission, movable engagement members capable of engaging with two elements that respectively correspond thereto, and electromagnetic actuators... Agent: Kenyon & Kenyon LLP

20100116616 - Rotational coupling device with wear compensation structure: A rotational coupling device for use as a clutch and/or brake is provided having structure to compensate for wear on braking surfaces. The device includes an armature coupled to an output member and movable between positions of engagement with a rotor and a brake plate. The brake plate is coupled... Agent: Dykema Gossett PLLC

20100108453 - Power transmission apparatus: A power transmission apparatus includes a drive roller and a driven roller made of magnetic material, which are rotatable about different axes, and which are provided with a gap therebetween, a case enclosing the rollers, an input shaft and an output shaft connected coaxially with the rollers through the case,... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, L.L.P.

20100108461 - Method and arrangement for determining the wear condition of a shifting clutch: A method of determining the wear condition of a shifting clutch (1) of a motor vehicle which is provided either for interrupting the force flow or equalizing the rotation speed between a drive output shaft (2) of an internal combustion engine (3) and a drivetrain (4). The wear condition of... Agent: Davis & Bujold, P.l.l.c.

20100108454 - Switching device for switching driving force between forward and reverse directions: The switching device includes an input gear 14, an output gear 15, and a switching mechanism 10 for switching the rotational direction disposed between the input and output gears. The switching mechanism 10 includes an intermediate bevel gears 22 supported on an intermediate shaft 12 and meshing with an input... Agent: Wenderoth, Lind & Ponack, L.L.P.

20100108455 - One-way clutch of roller type: The present invention provides a one-way clutch comprising an outer race, an inner race, a roller adapted to transmit torque between the outer race and the inner race, a cage having a window for holding the roller, a spring disposed in the pocket and adapted to bias the roller toward... Agent: Miles & Stockbridge PC

20100108456 - Dual clutch for a dual clutch transmission: The invention relates to a dual clutch for a dual clutch transmission for transmitting a torque from a drive shaft to at least one drive shaft, which comprises a first clutch, a second clutch, and an electrical actuating device. The actuating device comprises a coupling slide, wherein a first slide... Agent: Merchant & Gould PC

20100108457 - Transmission device having overload protection subassembly: A transmission device includes a first transmission mechanism and a second transmission mechanism. The first transmission mechanism includes a first rotating portion and an engaging portion fixed on the first rotating portion. The second transmission mechanism includes a second rotating portion and at least one overload protection subassembly. The at... Agent: PCe Industry, Inc. Att. Steven Reiss

20100108458 - Releasable drive arrangement: A drive arrangement comprising a drive shaft, a clutch arrangement operable, upon axial movement of the drive shaft occurring, to interrupt drive to the drive shaft, an axially movable interrupt shaft, a gear arrangement whereby the interrupt shaft is driven for rotation by the drive shaft at a speed slower... Agent: Andrus, Sceales, Starke & Sawall, LLP

20100108459 - Multiple disc clutch apparatus: A multiple disc clutch apparatus can comprise a plurality of driving clutch plates spline-fitted axially slidably on an input member rotated by a driving source, a plurality of driven clutch plates arranged alternately with the driving clutch plates and spline-fitted axially slidably on an output member, a clutch piston having... Agent: Knobbe Martens Olson & Bear LLP

20100108460 - Parking mechanism of automatic transmission: A fulcrum cam (24) for moving the fulcrum of a parking lock pole 22 is configured to move the fulcrum of a parking lock pole (22) such that the widthwise center of a protrusion (22a) of the parking lock pole (22) is moved along a radial line L extending from... Agent: Sughrue Mion, PLLC