Clutches and power-stop control inventions 12/06

20060289262 - One-way clutch: According to the present invention, in a one-way clutch used under an environment where lubricating oil including organic molybdenum exists, at least a part of at least one of a plurality of engaging members constituting the one-way clutch is subjected to surface treatment mainly including an element having no affinity... Agent: Miles & Stockbridge PC

20060289263 - Torque transmission device: The invention concerns a torque transmission device in the drive train of a motor vehicle to transmit torque between a drive unit, especially an internal combustion engine, with a drive shaft, especially a crankshaft, and a transmission with at least two transmission input shafts that are tightly connected to a... Agent: Alfred J Mangels

20060289264 - Clutch mechanism for use in power tools: The present invention discloses a clutch mechanism to adjust eccentricity in a power tool. The clutch mechanism comprises an outer race mounted radially on an annular main body which is mounted on an eccentric shaft. At least one first connecting member is disposed between the outer race and the annular... Agent: Pate Pierce & Baird

20060289265 - Electromagnetic clutch: An electromagnetic clutch 1 is disclosed having first and second relative rotary members 3, 5, an electromagnet 11 having a coil 7 and a yoke 9, a rotor 13 placed in close proximity to the electromagnet 11 and permeating magnetic field lines through the yoke 9, a friction clutch 15... Agent: Morrison & Foerster, LLP

20060289266 - Device for the control at least of a hydraulically operable switching element of an automatic transmission: A device for controlling a hydraulically operable switching element (2) of an automatic transmission of a vehicle with a position valve mechanism (3) having a main switch piston (6) which is spring biased into a first switch position and a second switch position with a pilot pressure (P_MV) which is... Agent: Davis & Bujold, P.l.l.c.

20060289267 - Hydraulic pressure control valve: A hydraulic pressure control valve for an oil chamber in a hydraulic multiplate clutch assembly is disclosed. The hydraulic pressure control valve is to be mounted on a pressing piston in the hydraulic multiplate clutch assembly. The hydraulic pressure control valve includes a valve plate composed of a leaf spring... Agent: Crowell & Moring LLP Intellectual Property Group

20060289268 - Coupling device independent of differential speed: A coupling device (11;111) including a rotatable housing (13,15;113) defining a clutch cavity and a clutch assembly (29;129) disposed therein. The housing defines an apply chamber (37;137) and a clutch apply member (39) disposed therein to bias the clutch assembly into engagement. A source of pressurized fluid for the clutch... Agent: Eaton Corporation

20060289269 - Clutch arrangement in an automatic transmission having an installation space-saving coolant supply: A clutch arrangement in an automatic transmission, comprising two axially adjacent multi-disk clutches (B, E) to each is assigned a piston/cylinder arrangement for axially actuating the clutch, a pressure compensation space for a dynamic clutch actuation pressure compensation and a mechanism for supplying lubricant or cooling medium. The aim is... Agent: Davis & Bujold, P.l.l.c.

20060289270 - Hub and clutch disk arrangement for a friction clutch, especially a multi-disk clutch: A hub for a clutch disk arrangement having a friction lining unit with a radially inner set of teeth, the hub including a hub element which can be connected non-rotatably to a shaft; a torque-transmitting arrangement connected to the hub element and having a radially outer set of teeth; and... Agent: Cohen, Pontani, Lieberman & Pavane

20060283682 - Bi-directional release mechanism for a torque fuse device: A torque fuse device having a bi-directional release mechanism that releases the torque carrying capability of the shafts upon torque overload is provided. The torque fuse device includes a sleeve, a hub positioned within the sleeve, and a hydraulic torque coupler. The sleeve and the hub are adapted to be... Agent: Jaeckle Fleischmann & Mugel, LLP

20060283683 - Clutch actuator: A clutch actuator is provided for operating a clutch between a drive motor and a gearbox on a motor vehicle, in particular a commercial vehicle, including a linearly operating pin, acting on a release mechanism which is coaxial to a mid-axis of the clutch. The pin is arranged in a... Agent: Crowell & Moring LLP Intellectual Property Group

20060283684 - Centrifugal drum clutch assembly and method of manufacture: A clutch drum assembly comprising a clutch drum (21) and a drive means. The clutch drum (21) has an axis of rotation and includes an end wall (22). The drive means specifically a drive spline (1) or a fixed drive sprocket axially to one end of drive means, is a... Agent: Tony Crisafi

20060278486 - Overrunning coupling assembly and method for controlling the engagement of planar members: An overrunning coupling assembly and a method of controlling the engagement of planar first and second members are provided wherein two sets of opposed engaging struts are applied with one motion of a single control plate or member. The planar first and second members have inside surfaces extending generally normal... Agent: Brooks Kushman P.C.

20060278487 - Overrunning radial coupling assembly and method for controlling the engagement of inner and outer members of the assembly: The overrunning radial coupling assembly or clutch and a method of controlling the engagement of inner and outer plates or members of the assembly are provided wherein adjacent engaging radial locking pawls are selectively controlled by a single, rotatable control plate or element to obtain full lock, one-way lock and... Agent: Brooks Kushman P.C.

20060278488 - Overrunning coupling assembly having improved shift feel and/or noise reduction: An overrunning coupling assembly having improved shift feel and/or noise reduction is provided. The assembly includes planar first and second members rotatable about a first axis. In a locked position, torque transfer is permitted between the first and second members in a first direction about the first axis. In a... Agent: Brooks Kushman P.C.

20060278489 - Torque transfer mechanism with power-operated clutch actuator: A clutch actuator for controlling engagement of a friction clutch and having a first actuator plate rotatable about an axis, a second actuator plate adjacent to the first actuator plate, and a ballramp unit disposed between the first and second actuator plates. A piston assembly acts to induce rotation of... Agent: Harness, Dickey & Pierce, P.L.C

20060278491 - Rotational coupling device: A rotational coupling device for use as a clutch and/or brake is provided having improved magnetic efficiency and structural integrity. An electrical conduction assembly is disposed within a field shell between radially spaced inner and outer poles of the field shell. The assembly includes a conductor disposed within a shell... Agent: Dykema Gossett PLLC Suite 300

20060278490 - Four-wheel drive center disconnect electric actuator: A four-wheel drive center disconnect electric actuator is provided. The actuator includes a one-way motor that actuation of a cam mechanism for causing engagement and disengagement of the center disconnect. The actuator achieves improved reliability and efficiency through a less expensive construction than conventional actuators.... Agent: Harness, Dickey & Pierce, P.L.C

20060278492 - Clutch control system for power transmission devices: A power transmission device includes a rotary input member receiving drive torque from a source of torque, a rotary output member for providing drive torque to an output device and a torque transfer mechanism for transferring drive torque between the input member and the output member. The torque transfer mechanism... Agent: Harness, Dickey & Pierce, P.L.C

20060278493 - Power transmission device with clutch control system: A power transmission device includes a rotary input member receiving drive torque from a source of torque, a rotary output member for providing drive torque to an output device and a torque transfer mechanism for transferring drive torque between the input member and the output member. The torque transfer mechanism... Agent: Harness, Dickey & Pierce, P.L.C

20060278494 - Anti-reverse input clutch: An anti-reverse input clutch is provided which includes an output member including an output shaft held so as to be rotatable about the axis of an input member, and a cam member which is a separate member from the output shaft and on which cam surfaces are formed. The cam... Agent: Wenderoth, Lind & Ponack, L.L.P.

20060272914 - Control apparatus for vehicle: When a traveling state is in an engagement range of a lock-up clutch, an ECU executes a program including a step of executing slip control if preconditions are satisfied and learning start conditions are satisfied, a step of updating a learning value if an output value is not greater than... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20060272915 - Actuator, particularly for a friction clutch with dispalcement by magnetorheological fluid: A friction coupling for coupling and uncoupling two parts which are rotatable relative to one another, having a coupling carrier (11) which carries outer plates (31) of a plate package (29) and a coupling hub (12) which carries inner plates (32) of the plate package (29), as well as an... Agent: Artz & Artz, P.C.

20060272916 - Magnetorheological fan coupling: A magnetorheological fan coupling (10) having an inverted construction with an input member (18) rotatably mounted to an output member (20). The input member (18) defines a fluid chamber (50) with the output member (20) rotating therein and a magnetic medium (52) between the output member (20) and the input... Agent: Borgwarner Inc.

20060272917 - 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.

20060272918 - 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

20060272919 - Hydraulic clutch control system and method: A hydraulic clutch control system includes a clutch, a hydraulic circuit that supplies a hydraulic pressure to a piston of the clutch so as to cause a stroke of the piston for engagement of the clutch, a primary hydraulic pressure signal generation unit that generates a primary hydraulic pressure signal... Agent: Foley And Lardner LLP Suite 500

20060272920 - Multi-position stop mechanism: A multi-stop mechanism for providing multiple stop positions between first and second objects that are movable into and out of contact with one another. The multi-stop mechanism of the present invention includes a housing which secures the multi stop mechanism to the first object and/or the second object, a rotatble... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.