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| Number | Title | Issue Date |
| 8172061 | 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... | 05/08/2012 |
| 8167107 | Wet clutch A wet clutch having friction surfaces, where at least one friction surface consists of a porous friction lining with essentially flat surface placed on a supporting part. In order to achieve better cooling of the friction lining and supporting part and of the opposi... | 05/01/2012 |
| 8096396 | Dry-running friction lining The invention relates to a sintered, dry-running friction lining containing no binding agent with a friction lining body comprising a metallic matrix, at least one abrasive material and at least one filler. The friction lining body has a porosity which is greater th... | 01/17/2012 |
| 8083046 | Clutch assembly and friction plate A friction plate is provided including ,a core plate, a core plate first friction facing having a first radius and a first height; and a core plate second friction facing having a second radius differing from the first radius and a second height differing from the f... | 12/27/2011 |
| 8047350 | Friction lining A friction lining, particularly a clutch friction lining for transmitting torque from an engine to a transmission. ... | 11/01/2011 |
| 7980376 | Wet friction plate To control initial shudder in a wet paper friction plate, the frictional sliding surface of a wet paper friction member is preconditioned by frictional sliding contact with a mating plate until its bearing length ratio tp at a cutting depth of 10 μm is in the range... | 07/19/2011 |
| 7870941 | Friction engaging device An outer plate 31, which is used under a lubricated environment of a differential gear oil including a friction adjuster, is made of a SC tempered material which is subjected to nitriding treatment to suppress chemical adsorption of the friction adjuster. An ... | 01/18/2011 |
| 7650976 | Low-friction sliding member in transmission, and transmission oil therefor A low-friction sliding member in a transmission is at least one of sliding members which are in slidable contact with each other in presence of a transmission oil composition. The low-friction sliding member includes a base material having a sliding section. A hard ... | 01/26/2010 |
| 7401687 | Dual clutch engine coupling damper A dual clutch engine coupling damper includes a slipping ECCC clutch in series with a plurality of damper springs, and a bypass clutch in parallel with the damper springs. The ECCC is adapted for use when the vehicle engine is running and the bypass clutch is adapte... | 07/22/2008 |
| 7370738 | One-piece friction body with a support and a friction pad disposed thereon and method of its manufacture There is described a one-piece friction body having a support and at least one friction pad disposed thereon, based on friction materials containing reinforcing fibers, thermoset binders and customary additives, in which the at least one friction pad is joined to th... | 05/13/2008 |
| 7364794 | Oxidation resistant carbon fiber reinforced carbon composite material and process for producing the same An oxidation resistant carbon fiber reinforced carbon composite material comprises a matrix and 20 volume % or more of carbon fibers, and is characterized in that: the matrix contains ceramic powder that includes boron carbide powder having an average particle diame... | 04/29/2008 |
| 7361395 | Synchronizer ring A synchronizer ring 1 has an annular ring body 2; a friction material 4 joined integrally to a cylindrical inner peripheral surface 3 of the ring body 2; a conical surface 5 formed on an inner surface of the friction materia... | 04/22/2008 |
| 7357233 | Torque converter with a lock-up clutch assembly having a floating friction disk The torque converter includes a torque input member and an impeller assembly operatively coupled with the torque input member. A turbine assembly is connected with the impeller and a lock-up clutch is interposed between the turbine assembly and the torque input memb... | 04/15/2008 |
| 7354638 | Porous wet friction material utilizing a compliant epoxide resin binder system A wet friction material is disclosed bonded to a plate for transmission of motion, with the friction material made up of a porous fiber substrate, which is at least partially impregnated with a catalyzed resorcinol diglycidyl ether resin to improve properties. ... | 04/08/2008 |
| 7320391 | Alternative pack designs for multidisk clutches A method and apparatus reduces hot spotting in transmission clutch packs actuated by a piston with axial fingers engaging the clutch pack. The method and apparatus combine an alternative pack arrangement with the fingered actuator, the alternative pack preferably be... | 01/22/2008 |
| 7320386 | High friction brake shoe assembly A vehicle brake shoe assembly (10) having a rigid backing plate (12) incorporating a plurality of extensions (100) which project through the brake friction material matrix (22) to the outer friction surface (24) of the brake shoe a... | 01/22/2008 |
| 7318514 | Low-friction sliding member in transmission, and transmission oil therefor A low-friction sliding member in a transmission is at least one of sliding members which are in slidable contact with each other in presence of a transmission oil composition. The low-friction sliding member includes a base material having a sliding section. A hard ... | 01/15/2008 |
| 7310201 | Composite disk clamp assembly with lower layer fixedly coupled to upper layer of smaller diameter A composite ring for coupling a disk to a spindle includes a upper layer constructed of a material having a hardness at least as hard as a primary material of the disk. A lower layer is fixedly coupled to the upper layer and constructed of a material having similar ... | 12/18/2007 |
| 7294388 | Friction material with nanoparticles of friction modifying layer A friction material which includes a base material, at least one type of resin material, and at least one type of nanoparticle-sized friction modifying particle is disclosed. ... | 11/13/2007 |
| 7294188 | Mixing method for friction material with a pre-mix in a single mixer An improved method of producing a friction material for use in the production of brake pads. A first mixing step blends binder, fiber, and filler materials together in a mixer to create a pre-mix, with one of the materials doubling as a wetting agent promoting the h... | 11/13/2007 |
| 7261192 | Brake disk and method for the production thereof The invention relates to a brake disk having axial friction surfaces, preferably for land vehicles, in particular, an internally ventilated brake disk having two friction rings that are joined via connecting elements, whereby one of the axial outer surfaces of the b... | 08/28/2007 |
| 7255084 | Piston with a skirt having a low coefficient of friction A piston for an internal combustion motor has a skirt with a surface, which is at least partially polished and thereafter coated with a coating having a hardness of greater than 8 GPa and having a coefficient of friction of less than 0.20. The piston has an increase... | 08/14/2007 |
| 7249663 | Wet clutch friction plate and method The present invention provides a friction plate with features to provide additional cooling for use within a wet clutch system. The friction plate has a core plate with a friction facing layer affixed to each face of the core plate. The first friction facing layer h... | 07/31/2007 |
| 7222701 | Backing plate with friction material retention members and method and apparatus for manufacturing same A backing plate for a friction assembly includes a body having a first surface and a second surface and a thickness defined therebetween. One or more retention members are provided on the first surface for engaging a friction material mounted thereon. Each retention... | 05/29/2007 |
| 7219776 | Friction disc and process for producing the same A friction disc, in particular a brake or clutch disc, includes carbon fiber-reinforced ceramic composite material with at least one top surface formed as a friction surface. At least part of the friction surface is formed of a different material, in particular of a... | 05/22/2007 |
| 7216746 | Brake drum and process for manufacturing the same A brake drum has its strength elevated in its disk portion. The brake drum is formed from a composition having ceramics dispersed in a matrix. The disk portion has a high ceramic content and thereby a high strength. The brake drum has a disk portion and a cylindrica... | 05/15/2007 |
| 7191885 | Clutch linings comprising fiber-reinforced ceramic materials In a friction pairing for clutch systems of two materials and processes for producing the pairing, one of the materials is a fiber-reinforced ceramic or metallic material A reinforced by carbon or ceramic fibers or whiskers. Material B acting against the material A ... | 03/20/2007 |
| 7191880 | Over-running clutch pulley with increased surface microhardness The over-running clutch pulley (10) of a preferred embodiment of the invention includes a sheave member (20), a hub member (22) located substantially concentrically within the sheave member, and a clutch member (24), which cooperate to ro... | 03/20/2007 |
| 7175011 | Free-wheel with a free-wheel outer rim covered with fiber-reinforced plastic The invention relates to a free-wheel, in particular a pinch roller free-wheel or a pinch body free-wheel, comprising relatively-rotating elements arranged one within the other on a common axis, which form a gap, in which pinch elements, in particular pinch rollers ... | 02/13/2007 |
| 7163094 | Hydraulically actuatable gearshift system comprising a synchronizing device A transmission shift system comprising a synchronizing device for idler wheels, which comprises one sliding sleeve that can mesh with a selected idler wheel. The sliding sleeve is arranged non-rotatably and axially displaceable on a shaft with hydraulic actuation be... | 01/16/2007 |
| 7143882 | Disk for a force transmitting aggregate Disk (1, 11) for a force transmitting aggregate, in particular for wet disk clutch, with a core plate (2, 12) exhibiting a front side (V) and a backside (R), wherein the front side (V) and/or the backside (R) exhibits a friction lining (3v, | 12/05/2006 |
| 7128194 | Centrifugal clutch A centrifugal clutch for a vehicle for reducing the trouble occuring when the clutch capacity becomes insufficient due a modification to the vehicle, such that of increasing the engine output or the exhaust gas quantity. The clutch weight of the centrifugal clutch i... | 10/31/2006 |
| 7111746 | Shellable child resistant closure container with positive lock mechanism A shellable, positively lockable, child resistant closure and container includes a pair of nested inner and outer caps designed to be purposefully shellable for use in its non-child resistant mode. The inner cap is coaxially positioned and nested within the outer ca... | 09/26/2006 |
| 7108119 | Sintered synchronizing ring The present invention relates to a synchronizing ring comprising a tapered internal bore provided with sharp axial teeth. The synchronizing ring comprises axial grooves distributed on the tapered internal bore, each groove extending over a surface corresponding to a... | 09/19/2006 |
| 7104377 | Clutch for transmission of power The present invention relates to a clutch for transmission power. The clutch for transmission power according to the present invention includes flywheel, clutch cover and clutch disk assembly positioning between the flywheel and the clutch cover; moreover, the clutc... | 09/12/2006 |
| 7069636 | Friction facing method for use in a friction environment A facing material for a power transmission-absorption assembly is shown and described. In one embodiment, the facing material includes a plurality of first channels having a first, deep depth and a plurality of second channels having a second, shallow depth. One or ... | 07/04/2006 |
| 7059459 | Multiple disc clutch apparatus A multiple disc clutch apparatus, comprises a plurality of externally splined annular friction plates, to one side surface only of each externally splined annular friction plate being fixed a friction material, and each externally splined annular friction plate bein... | 06/13/2006 |
| 7056396 | Copper/zinc alloys having low levels of lead and good machinability The free-cutting copper alloy according to the present invention contains a greatly reduced amount of lead in comparison with conventional free-cutting copper alloys, but provides industrially satisfactory machinability. The free-cutting alloys comprise 69 to 79 per... | 06/06/2006 |
| 7051858 | Friction material and its manufacturing method A friction material has a resin amount distribution that is the largest at a portion near a non-friction surface, that becomes lower toward an inside and that is the lowest at a portion near a friction surface. For example, such friction material is manufacture as f... | 05/30/2006 |
| 7047836 | Surface treatment for a locking mechanism An apparatus (10) includes first and second plates (44 and 84) extending parallel to each other and movable relative to each other. A locking mechanism (140) prevents movement between the first and second plates (44 and 84).... | 05/23/2006 |
