Clutches and power-stop control inventions 07/08

20080179155 - Drive system for a motor vehicle: A drive system for a motor vehicle comprises a drive unit with a drive shaft and a torque-transmitting assembly, which is to be connected on the drive side to the drive shaft for rotation in common around an axis of rotation (A) and which is to be connected on the... Agent: Cohen, Pontani, Lieberman & Pavane LLP

20080179156 - Reverse input prevent clutch bearing assembly: This invention presents a reverse input prevention clutch bearing assembly in which a forward and a reverse torque inputted from an input side is transmitted to a output side, while locks the transmission of the forward or the reverse torque inputted from the output side to the input side by... Agent: Ipla P.A.

20080179157 - Clutch unit: A clutch unit including at least two sub-units, one of which is pre-assembled on the engine side of a motor vehicle drive train, namely on the output shaft of the engine, and the other sub-unit is pre-assembled on the transmission side of the drive train. The pre-assembled sub-units each include... Agent: Alfred J Mangels

20080179158 - Hydraulic double clutch: A double clutch of a double clutch transmission of an engine is shown and described, and can comprise two clutch packs associated to two coaxial shafts, two clutch pistons each activating one of the clutch packs, and a hydraulic control device including a low pressure pump for lubrication and cooling... Agent: Michael Best & Friedrich LLP

20080179159 - Self-actuating clutch: A hydromechanical transmission having a self actuating clutch assembly. The self-actuating clutch assembly comprises a first and second gear clutching elements and a shaft clutching element that engages a shaft. The shaft clutching element is a cone clutch that is actuated by a ball element that is biased towards the... Agent: Zarley Law Firm P.L.C

20080179160 - Bump stop with controlled torque and suspension strut for vehicle steering wheel: A bump stop device comprises a bearing 20 provided with two bottom 22 and top 24 metal washers between which rolling bodies 26 are arranged. A friction ring 34 is fixed to the first of the bottom and top metal washers and rubs against the other metal washer in order... Agent: Arent Fox LLP

20080179161 - Friction plate for wet-type multiplate clutch: A friction plate for a wet-type multiplate clutch is provided with plural segment pieces of a friction lining, which are bonded at angular intervals on the friction plate. Each of the segment pieces has at least one first oil groove and at least one second oil groove. The first oil... Agent: Cermak Kenealy & Vaidya, LLP

20080179162 - Friction plate for wet-type multiplate clutch: A friction plate for a wet-type multiplate clutch is provided with a core plate and friction linings bonded on opposite sides of the core plate, respectively. Each of the friction linings is composed of plural segment pieces bonded at angular intervals on the corresponding one of said opposite side. The... Agent: Crowell & Moring LLP Intellectual Property Group

20080179163 - Coupling system: A coupling system including at least two sub-units, one of which is pre-assembled on the engine side of a motor vehicle drive train, namely on the output shaft of the engine, and the other sub-unit is pre-assembled on the transmission side of the drive train. The pre-assembled sub-units each include... Agent: Alfred J Mangels

20080173509 - Outer plate with arc spring drive tab for a torque converter damper: In a torque converter, a piston mounted on a turbine hub, sealed on the turbine hub, having a first friction surface at a radially outer portion of the piston, a first drive ring having a second friction surface and a third friction surface, the second friction surface arranged to engage... Agent: Simpson & Simpson, Pllc

20080173511 - Supporting structure for a one-way clutch: A supporting structure for a one-way clutch supports the one-way clutch arranged between a stator of a torque converter for transmitting a torque from an engine to a transmission side via a fluid and a shaft at the transmission side. The supporting structure includes a first protrusion and a first... Agent: Global Ip Counselors, LLP

20080173510 - Torque converter: Disclosed is a torque converter, which comprises at least two thrust bearings disposed on respective axially-opposite sides of a radially-inward portion of a stator. The stator includes a non-rotatable member, a rotatable member and a one-way clutch. The rotatable member has a cylindrical portion having an inner peripheral surface interlocked... Agent: Brooks Kushman P.c.

20080173512 - Fluid transmission device: A fluid transmission device comprises: a cover member coupled to a drive shaft; a converter mechanism constituted by a pump impeller coupled to the cover member, a turbine runner connected to a driven shaft, and a stator disposed between the pump impeller and the turbine runner, a converter chamber through... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080173508 - Hydraulic control system for a hydrodynamic torque converter comprising a controlled torque converter lockup clutch: Description of a hydraulic control system (1A) for a hydrodynamic torque converter (1) with a controlled torque converter lockup clutch (2) of an automatic transmission for controlling a supply pressure (p_WD_zu) of the torque converter (2) and a supply pressure (p_WK_zu) of the torque converter lockup clutch (2). The torque... Agent: Davis Bujold & Daniels, P.l.l.c.

20080173515 - Disk spring hydraulic release brake: A selectively engageable friction mechanism such as a brake assembly including hard anodized brake disks having a single cross section and a bias assembly including a single spring, in the preferred embodiment such spring being a belleville spring... Agent: Fay Sharpe LLP

20080173513 - Electronically controlled fluid coupling device with fluid scavenge control and enhanced cooling: A viscous fan drive with a front-mounted fan and electrical actuation without a tethered harness. The mechanical package includes an inverted viscous clutch, a drive pulley, a split electromagnetic actuator with the electrical portion mounted to a stationary mounting member. Enhanced cooling can be provided with breather openings in the... Agent: John A. Artz John A. Artz P.c.

20080173514 - External control type fan-coupling device: An external-control-type fan coupling device is provided and has no restriction on the layout or positional relationship of an electromagnetic coil and a valve element of the device. As a result, the casing and the valve structure of the device can be simplified. Additionally, the design prevents leaking of oil... Agent: Casella & Hespos

20080173516 - Friction plate for wet multi-plate clutch: In a friction plate 40, segment pieces 42 of a friction material are bonded onto a core plate 40 at intervals in a circumferential direction. 43 denotes a spline tooth. On each segment piece, there are formed a first oil groove which is made to open to an inside-diameter side... Agent: Sughrue-265550

20080173517 - Friction plate for wet multi-plate clutch: Segment pieces 42 of a friction material are bonded onto a core plate 41 of a friction plate 40 for a wet multi-plate clutch at intervals. A porosity of a perimetric portion 43 of the segment piece 42 which is shaded with oblique lines is made smaller by pressing or... Agent: Sughrue-265550

20080173518 - Method for operating a brake system for motor vehicles: g

20080169165 - Selectable one-way clutch with symmetrical struts: A selectable one-way clutch (SOWC) is provided for use with a vehicle transmission, and has a first race with a plurality of strut pockets, a moveable selector plate, symmetrical torque-holding elements or struts, and a second race that is rotatably engageable with a torque input device. The selector plate has... Agent: Quinn Law Group, PLLC

20080169166 - Rocker clutch assembly: A clutch assembly includes a first race and a second race that is selectively rotatable with respect to the first race about an axis of rotation. A plurality of rockers is operatively connected to the first race and spring biased into engagement with the second race to transmit torque between... Agent: General Motors Corporation Legal Staff

20080169167 - Pulling type drive shaft-fitting jig assembly: According to the present invention, a drive shaft DS is fitted into an axle hub AH with the drive shaft DS and a jig assembly arranged on an axis. Accordingly, a separate working place is not required because the fitting is performed in an assembly line where the components of... Agent: Greenblum & Bernstein, P.L.C

20080169168 - Parking lock device for automatic transmission: A parking lock device for an automatic transmission includes: a parking gear externally fixed to the output shaft; a parking lock pole displaced between a lock position, where the parking lock pole latches onto the parking gear to disable rotation of the parking gear, and an unlock position, where the... Agent: Sughrue Mion, PLLC

20080164115 - Hydraulic circuit for controlling a hybrid clutch and an automatic transmission of a motor vehicle: A hydraulic circuit for controlling a hybrid clutch and an automatic transmission of a motor vehicle. The circuit includes an electrically-powered hydraulic pump to supply the hybrid clutch and the automatic transmission with a hydraulic medium. A pressure booster is connected downstream of the hydraulic pump and includes a pressure... Agent: Alfred J Mangels

20080156607 - Torque transfer device: A torque transfer device, in particular in the power train of a motor vehicle, for transferring torque between a drive unit and a shaft that is rotatable around an axis of rotation, in particular a transmission input shaft, having a hydrodynamic torque converter, which includes a converter cover that is... Agent: Robert P. Simpson Simpson & Simpson, Pllc

20080156608 - Piston assembly and a force transfer device, particularly a force transfer device with a piston assembly: The invention relates to a piston assembly for arrangement in a pressure cavity in a force transfer device for operating a first and a second actuatable clutch device, comprising a piston element associated respectively with an actuatable clutch device. The invention is characterized in that the piston element of the... Agent: Simpson & Simpson, Pllc

20080156609 - Tunable centrifugal clutch: A centrifugal clutch is disclosed including a driver adapted to engage and to be rotated by an input shaft, a drum adapted to engage a driven component, a plurality of shoes located between the driver and the drum, and a plurality of springs, each spring engaged with adjacent shoes for... Agent: Drinker Biddle & Reath Attn: Intellectual Property Group

20080156611 - Friction plate for wet-type multiplate clutch: A friction plate for a wet-type multiplate clutch is provided with a core plate and friction linings bonded on opposite sides of the core plate, respectively. Each of the friction linings is composed of plural segment pieces each have at least one first oil groove and at least one second... Agent: Cermak Kenealy & Vaidya, LLP

20080156610 - Spur toothing on a coupling element for transmitting torques: The invention relates to a spur toothing on at least one coupling element for transmitting torques about a rotational axis, said spur toothing axially engaging with a corresponding mating cutting. The face cutting is provided with teeth from a material of the coupling element that has been plastically shaped in... Agent: Lucas & Mercanti, LLP