Clutches and power-stop control inventions 09/08

20080230345 - Clutch failure detection system, straddle-type vehicle, and method for detecting failure: A failure detection system for accurately detecting a failure of a clutch. A clutch actuation mechanism changes the relative positions of drive-side and driven-side members of the clutch. A position detector detects a position of the clutch actuation mechanism as a clutch position. A control unit obtains torque transmitted from... Agent: Hogan & Hartson L.L.P.

20080230341 - Disengageable pulley device: Disengageable pulley device comprising a pulley mounted on a shaft by means of a rolling bearing and of a freewheel, the pulley comprising a rim mounted on the periphery of a one-piece outer race of substantially tubular shape comprising, on an inner surface, at least one raceway for rolling elements... Agent: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.

20080230342 - Torque transmission device: A torque transmitting device in a drive train of a motor vehicle to transmit torque between an internal combustion engine having a drive shaft and a transmission having coaxial input shafts. The transmission input shafts are each non-rotatably connected with a respective clutch disc having friction linings. An intermediate pressure... Agent: Alfred J Mangels

20080230343 - Coupling: A device for controlling the activation of an apparatus by a motor, intended to be inserted between, the operation output of the motor and the operation input of the apparatus whose activation is to be controlled. The device includes: —a blade pump having a rotor, at least one blade carried... Agent: Young & Thompson

20080230344 - Bicycle multi-gear cassette: A bicycle multi-gear cassette mountable to a wheel hub driver mechanism that includes truncated conical shell having a first opening proximate a small shell base and a second opening proximate a large shell base. The openings are coaxial with an axis of the shell. A plurality of toothed sprockets having... Agent: Sram Corporation

20080223680 - Automated shift transmission and automated friction clutch: To improve the controllability and achieve a longer service life while reducing production costs, it is proposed to use as the actuating drive (7, 26) a pneumatic muscle (8, 8.1, 8.2) with a hose body (9) made of a fluidically impermeable and elastic material with a lattice network (10) of... Agent: Davis Bujold & Daniels, P.l.l.c.

20080223681 - Selectable one-way clutch: A controllable selectable one-way clutch is provided for use within a hybrid transmission. The clutch comprises an outer and inner race, and a first and second selector plate. A transmission motor controller synchronizes the speeds of the races to facilitate application and release of the clutch, and a transmission controller... Agent: General Motors Corporation Legal Staff

20080223682 - Clutch assembly with a leg spring: A clutch device comprising a first clutch element, a second clutch element that is disposed in a coaxial manner in relation to the first clutch element, a first engagement means, a second engagement means provided for engaging with the first engagement means in a positively interlocking manner for transmitting a... Agent: Alexander R Schlee SchleeIPInternational P.C.

20080223683 - Hydraulic system for controlling a double-clutch transmission: A hydraulic system for controlling a double-clutch transmission operating with wet clutches. A pump provides a system pressure in a supply line, and a control valve for applying to individual clutch actuators an actuation pressure that is derived from the system pressure and that is modulated in accordance with the... Agent: Alfred J Mangels

20080223688 - Motorcycle clutch: A motorcycle clutch for a drive connection between an engine and a transmission of a motorcycle is provided, and is some embodiments includes a manually operable clutch lever, engaging inner and outer disks, and disengaging means operable by means of the clutch lever for a pressure body which is spring-loaded... Agent: Michael Best & Friedrich LLP

20080223684 - System for generating constant speed output from variable speed input: An input shaft rotates at variable rotation rates and is driven by a variable source of energy or power such as by the propeller of a wind-driven electrical generator. The input shaft is connected to a clutch which is connected to an output shaft and which is operable to rotate... Agent: Holme Roberts & Owen, LLP

20080223685 - Clutch exhaust assembly and method: An assembly and method is provided for reducing clutch wear due to centrifugal apply pressure within a clutch-apply cavity. The assembly comprises a rotatable clutch housing, a clutch-apply piston disposed within a clutch-apply cavity, and a balance piston. The balance and apply pistons define a balance cavity including a liquid... Agent: General Motors Corporation Legal Staff

20080223686 - Wet type friction plate: The present invention provides a wet type friction plate having a friction surface formed by fixing a friction material to a substantially annular core plate in an annular arrangement, in which a plurality of grooves extending through from an inner diameter portion to an outer diameter portion is formed in... Agent: Miles & Stockbridge PC

20080223687 - 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 having at least one first oil groove and at least one second... Agent: Cermak Kenealy & Vaidya, LLP

20080217131 - Dual one-way clutch assembly: A device for transmitting torque between a first component and a second component is provided. The device includes a first race coupled to the first component and a second race coupled to the second component. The second race is disposed concentrically with the first race. A first rocker is pivotally... Agent: General Motors Corporation Legal Staff

20080217132 - Viscous fluid coupling device: A viscous fluid coupling device includes a drive shaft, a housing rotatably supported by the drive shaft, a partition wall dividing an interior space of the housing into an operation chamber and a storage chamber having a circular arc portion, a rotor accommodated in the operation chamber and fixed to... Agent: Buchanan, Ingersoll & Rooney Pc

20080217133 - Wet-type multi-plate friction engaging apparatus: The present invention provides a wet-type multi-plate friction engaging apparatus comprising a clutch portion including internally toothed plates and a piston adapted to apply an urging force for engaging the internally toothed plates and wherein load acting portions acting on the clutch portion are arranged on both sides of the... Agent: Miles & Stockbridge Pc

20080217134 - Process for pressure actuation of a shifting element: The invention concerns a process for pressure actuation of a rotating shifting element of an automatic transmission or automated manual transmission, in which the shifting element is configured with a piston that interacts with a torque transfer element and a pressure medium supply, by way of which the piston can... Agent: Davis Bujold & Daniels, P.l.l.c.

20080210508 - Axle disconnect assembly with directional roller clutch: An axle disconnect assembly comprises a shaft extending axially along a central axis, a universal joint including an outer drive member having a substantially annular axial flange extending axially outwardly from the outer drive member coaxially with the central axis so as to form an annular space between the axial... Agent: Berenato, White & Stavish

20080210509 - Method for determining a driving torque correction factor for compensating cooperating driving torques of different drive devices: A method and device for determining a driving torque correction factor for compensating the driving torques of a drive unit including a first drive device and a second drive device, both of which act with their driving torque on a common drive shaft. The method includes specifying and setting a... Agent: Crowell & Moring LLP Intellectual Property Group

20080210510 - Overload protection device: The invention relates to an overload protection device (10) which has a force-loaded and/or momentum-loaded component (12), a chamber (32) for receiving a fluid which is at a predetermined pressure (p), and at least one transmitting element (22) which is connected to said component (12) in a force-transmitting manner. The... Agent: Wood, Herron & Evans, LLP

20080210511 - Switchable clutch with low control power requirement: The invention relates to a switchable clutch which requires control power merely for switching from one operating state to another. The clutch is particularly suitable for connecting and disconnecting auxiliary units in internal combustion engines and motor vehicles. The clutch according to the invention has a driving element (9), which... Agent: Michael Best & Friedrich LLP

20080210512 - Adjustable hysteresis driver: The invention concerns an adjustable hysteresis driver, with a rotor component (5) on the input side that can be driven and/or a stator component (7′, 7″), with an armature component (8) on the output side in fixed connection with a shaft (4), with a hysteresis component (9) connected to the... Agent: Davis Bujold & Daniels, P.l.l.c.

20080210513 - Smooth engagement element for clutch friction disc: The invention concerns a smooth engagement element of a clutch friction disc, in particular for a motor vehicle, consisting, at least partly in a silicone addition.... Agent: Berenato, White & Stavish, LLC

20080210514 - Synchronizer ring and process: The present invention relates to a process for applying a wear-resistant tribological coating to a sliding region of a synchronizer ring in which a thermally sprayed coating contains a maximum of approximately 40% by weight of solid lubricant, as well as to a synchronizer ring sliding region having a coating... Agent: Crowell & Moring LLP Intellectual Property Group

20080210515 - Clutch release bearing in contact with a disk spring: A clutch release bearing (21) that is in contact with a disk spring is provided. The clutch release bearing (21) includes at least one curved contact surface (12, 28, 30, 33) that is located at a radial distance from the axis of rotation (4) of the clutch release bearing (21)... Agent: Volpe And Koenig, P.C.