| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 192107000 |
Material
| 46 |
| 192108000 |
Positive
| 14 |
| 192107000 |
Clutch plate axially compressible
| 12 |
| 192107000 |
Transversely engaging | 1 |
| 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 the friction surface and at least one of both side portions of the friction material defining the groove is formed as an arc configuration and the groove has a radial intermediate portion having a width greater than those of the inner diameter portion and the outer diameter portion. | 09-18-2008 |
| 20080236985 | WET TYPE FRICTION PLATE - The present invention provides a wet type friction plate having a friction surface formed by securing a plurality of friction material segments to a substantially annular core plate, in which a groove extending through from an inner diameter side to an outer diameter side is formed between the friction material segments, and a recessed portion facing toward the core plate is formed in a side surface of the friction material segment defining the groove. | 10-02-2008 |
| 20080296119 | Clutch Outer Member For Multi-Plate Clutch - A clutch outer member ( | 12-04-2008 |
| 20080302625 | WET TYPE FRICTION PLATE - The present invention provides a wet type friction plate having a friction surface formed by securing a friction material to a substantially annular core plate in an annular fashion, in which the friction surface is provided with a plurality of first recessed portion each including an opening portion opened to an inner diameter side and an end portion closed between inner and outer diameter sides of the friction material and a plurality of second recessed portions each including an opening portion opened to the outer diameter side and an end portion closed between the inner and outer diameter sides of the friction material, and the first recessed portions and the second recessed portions are arranged alternately along a circumferential direction, wherein each of said first recessed portions and said second recessed portions has a maximum circumferential width at said opening portion. | 12-11-2008 |
| 20080314713 | Segmented and Laminated Core Steel Plate for Single and/or Double Sided Wet Clutch Friction Plates or Separator Plates - Segmented and laminated steel core plates ( | 12-25-2008 |
| 20100193317 | SEGMENTED SUPPORT PLATE FOR A LAMELLA, AND LAMELLA HAVING A SEGMENTED SUPPORT PLATE OF SAID TYPE - The present invention relates to a segmented support plate ( | 08-05-2010 |
| 20100193318 | CLUTCH LINK FOR A DRIVING CLUTCH AND PRODUCTION METHOD - The invention provides for a clutch link for a driving clutch and has a receptacle chamber for receiving another clutch link of the driving clutch, the receptacle chamber comprising a contact surface and a counter surface, which points toward the contact surface. A hole is implemented behind the counter surface, is connected via a gap to the receptacle chamber, and extends parallel to the longitudinal axis of the driving clutch. A spring element is situated in the hole and has a contact area for contact on the other clutch link, and protrudes through the gap into the receptacle chamber. The invention further provides for a method for producing a sintered component having connection apparatus, in particular a clutch link for a driving clutch, having the following steps: forming a green body having a receptacle chamber, contact surface, counter surface, hole, and gap; sintering the green body; inserting at least one spring element into each hole so that it has a contact area for contact on the other component and protrudes through the gap into the receptacle chamber. | 08-05-2010 |
| 20100200356 | WET FRICTION PLATE - A wet friction plate includes a disc-shaped core plate; and a plurality of friction members arranged in a circle at intervals, on a surface of the core plate. A first oil groove is formed on a friction surface of at least one of the friction members, and the first oil groove communicates with only an inner peripheral side surface of the at least one friction member, which is closest to an inner periphery of the core plate among side surfaces of the at least one friction member. The first oil groove includes a circumferential groove that extends in a circumferential direction of the core plate, and at least one radial groove that extends in a radial direction of the core plate, and is connected to the circumferential groove, and that communicates with the inner peripheral side surface of the at least one friction member. | 08-12-2010 |
| 20100270118 | BRAZED SUPPORT RING - A support ring for a torque converter including first and second laminations, wherein each of the first and second laminations includes first and second opposite surfaces, wherein the first surfaces of the first and second laminations are matingly engaged and affixed together, and the second surfaces of the first and second laminations form a pair of external, opposite surfaces of the support ring, wherein the first surfaces of the first and second laminations each further comprise at least one hole, at least one protrusion, and wherein the at least one protrusion of the first lamination is engaged in the at least one hole of the second lamination, and wherein the at least one protrusion of the second lamination is engaged in the at least one hole of the first lamination. | 10-28-2010 |
| 20110048889 | Clutch Plate Having Reinforced Spline Teeth - A clutch plate for transmitting torque from a driving member to a driven member may include an annular body disposed around an axis and defining inner and outer edges, the annular body having a thickness “t”. A plurality of spline teeth may project radially from the annular body. Each spline tooth may include a tab extending from the annular body and a flap superposed over the tab. Each spline tooth may further have a thickness “T” approximately twice the body thickness “t”. The flap may be formed integrally with the tab, in which case the flap may be folded over a fold line to superpose the flap and tab. The fold line may extend substantially circumferentially about the axis. | 03-03-2011 |
| 20110180366 | CLUTCH ASSEMBLY - A disc component of a clutch assembly includes, but is not limited to, one or more mounting structures. One of the mounting structures opens in a longitudinal direction of the disc component. The mounting structure is configured to receive a pre-mounted fastener on a second disc component of the clutch assembly from the longitudinal direction. The pre-mounted fastener is configured to fasten the disc component to the second component of from a lateral side of the disc component. | 07-28-2011 |
| 20120118696 | FRICTIONAL PART WITH A ZIG-ZAG OR UNDULATING CIRCUMFERENTIAL GROOVE IN THE FRICTIONAL SURFACE - A friction part for a frictionally acting device comprising an annular friction surface which has an inner edge and an outer edge, with the friction surface having provided in it an encircling first groove which extends in zig-zag or undulating form between radially inner and radially outer deflection points, a plurality of second grooves which extend from the inner edge to the outer deflection points and a plurality of third grooves which extend from the outer edge into the encircling first groove and which open into the encircling first groove at opening-in points between the deflection points. | 05-17-2012 |
| 20120175216 | SEGMENT-TYPE FRICTION MATERIAL - A segment-type friction material comprises segment pieces each having a supply passage formed thereon to supply lubricating oil to a surface of each of the segment pieces. The segment-type friction material further comprises oil grooves each having an outer peripheral opening portion extended in a curved shape or a linear shape. Thereby, lubricating oil is sufficiently supplied to the surface of each of the segment pieces from an outer peripheral side thereof or an inner peripheral side thereof and a clearance between the segment-type friction material and its associated separator plate is assured. Moreover, a space for the lubricating oil to flow through an outer periphery is sufficiently assured and a drag torque is reduced. | 07-12-2012 |
| 20130092499 | FRICTION PLATE WITH PRESSED CORE PLATES - A friction plate, including: a ring-shaped piece of friction material with an inner circumference, and first and second surfaces facing in first and second opposite axial directions, respectively; a first core plate with a first ring-shaped body, a first plurality of protrusions extending radially outward from the first ring-shaped body and imbedded in the first surface, and a second plurality of protrusions extending radially inward from the first ring-shaped body; and a second core plate with a second ring-shaped body, a third plurality of protrusions extending radially outward from the second ring-shaped body and embedded in the second surface, and a fourth plurality of protrusions extending radially inward from the second ring-shaped body. The first and second bodies are at least partially disposed radially inward of the inner circumference. The second and fourth pluralities of protrusions are for engagement with a rotatable element. | 04-18-2013 |
| 20130186727 | CLUTCH PLATE AND METHOD OF PRODUCING SAME - A clutch plate in an annular shape, the clutch plate includes: a plurality of lubricating grooves on one end face and the other end face of the clutch plate in an axial direction; and a plurality of windows passing through the clutch plate in the axial direction. The lubricating grooves are formed with plastic deformation, in a same phase on both the end faces, and extended up to outer peripheral edges and inner peripheral edges of both the end faces. A plurality of intersection points where the lubricating grooves intersect with each other are positioned in other areas than at least one of the outer peripheral edges, radially outer edges of the windows, radially inner edges of the windows, and the inner peripheral edges, of both the end faces. | 07-25-2013 |
| 20130299301 | CLUTCH BACKER PLATE WITH RECESSED RIVETS - A driven disc assembly is provided wherein a clutch disc has enlarged holes for connection of opposing backing plates. The backing plates have semi-pierced sections that are insertable within mounting holes of the clutch disc. The thickness of the backing plates are enlarged from their normal thickness causing a top surface of the backing plates to axially clear heads of conventional rivets. The thickness of the friction buttons on the backing plates can then be reduced to their minimal effective use thickness. | 11-14-2013 |
| 20130299302 | CLUTCH BACKER PLATE WITH RECESSED RIVETS - A driven disc assembly is provided. The backing plates have right angle depression sections that surround mounting holes of a clutch disc. The thickness of the backing plates are enlarged from their normal thickness causing a top surface of the backing plates to axially clear heads of conventional rivets. The thickness of the friction buttons on the backing plates can then be reduced to their minimal effective use thickness. | 11-14-2013 |
| 20140001006 | Friction Ring | 01-02-2014 |
| 20140014460 | DRY CLUTCH FRICTION PLATE ASSEMBLY - A friction plate assembly for use in a dry clutch, the friction plate assembly includes a hub and support member, a first friction disc, a second friction disc, and a plurality of silicone-based adhesive beads disposed between each of the first friction disc and the second friction disc. The adhesive beads are disposed in a pattern designed to create a cooling air pathway from the interior of the friction plate assembly to the exterior. | 01-16-2014 |
| 20140014461 | FRICTION MEMBER, CLUTCH PLATE, CLUTCH DEVICE AND TORQUE CONVERTER - A friction member to be used for a lock-up clutch device includes a plurality of friction portions and a plurality of grooves. The plural friction portions are disposed in alignment in a circumferential direction. The plural grooves are formed between or among the plural friction portions and penetrate therebetween or thereamong from the inner peripheral side to the outer peripheral side. Further, each of the plural grooves includes an inner peripheral groove and an outer peripheral groove. The inner peripheral groove is formed in a V-shape, and includes a first groove that is disposed on the inner peripheral side and has an opening, and a second groove that is disposed on the outer peripheral side and continues to the first groove. The outer peripheral groove continuers to the outer peripheral end of the second groove of the inner peripheral groove, and radially extends in the outer peripheral direction. | 01-16-2014 |
| 20140144747 | FRICTION PLATE HAVING MECHANICALLY CONNECTED FRICTION MATERIAL - A method of forming a friction plate is provided. The method includes force fitting a friction material onto a base to form a mechanical connection between the friction material and the base. A friction plate is also provided. The friction plate includes a base and a friction material force fit onto the base such that a mechanical connection is formed by a shape of the friction material and a shape of the base. | 05-29-2014 |
| 20140182995 | CLUTCH PLATE - In a clutch plate of an annular shape and a wet type, a plurality of lubrication grooves each taking a U-shape in cross-section are formed on a friction engaging surface on at least one end side. The groove is provided with a groove forming portion crossing the circumferential direction and blunt portions extending along both sides of the groove forming portion and connecting the friction engaging surface with the groove forming portion. Where a straight line passing across one side end of the groove and extending in a radial direction is assumed as a virtual straight line, in a section of the groove taken along a plane that is orthogonal to the virtual straight line and that includes the one side end, the width of the blunt portion on one side is in a range of 0.12 to 0.35 mm, and the depth of the blunt portion is in a range of 25 to 50 μm. | 07-03-2014 |
| 20140197003 | SLIDING MEMBER, CLUTCH PLATE, AND PRODUCTION METHODS THEREOF - A sliding member includes a base material portion formed of steel; a nitrogen diffusion layer with a thickness of 10 μm to 50 μm; and a nitrogen compound layer with a thickness of 10 μm to 50 μm. The nitrogen compound layer and the nitrogen diffusion layer are formed by performing a first heating process of performing heat treatment on a material formed of steel in an ammonia atmosphere at a temperature of 570° C. to 660° C., a second heating process of performing heat treatment on the material in a non-oxidizing and non-ammonia atmosphere at a temperature of 660° C. to 690° C., the temperature in the second heating process being higher than the temperature in the first heating process, and an oil cooling process of performing oil cooling treatment at an oil temperature of 60° C. to 80° C. subsequently to the second heating process. | 07-17-2014 |
| 20140251749 | Quick Change Friction Linings for Constricting Clutch Brake Element - A constricting clutch brake element ( | 09-11-2014 |
| 20140291107 | CLUTCH PLATE - A clutch plate for a clutch assembly is provided. The clutch plate includes a body defining an outer circumference. A plurality of extensions projects radially from the outer circumference of the body. A first separating member is formed by bending a portion of at least one of the plurality of extensions along a first direction. The first separating member is configured to resiliently separate the clutch plate from an adjoining clutch plate of the clutch assembly along the first direction in a disengaged condition of the clutch assembly. A second separating member is formed by bending a portion of at least another of the plurality of extensions along a second direction. The second separating member is configured to resiliently separate the clutch plate from another adjoining clutch plate of the clutch assembly along the second direction in the disengaged condition of the clutch assembly. | 10-02-2014 |
| 20150008090 | FRICTION DEVICE FOR A CLUTCH - A friction device ( | 01-08-2015 |
| 20150292568 | CLUTCH BACKER PLATE WITH RECESSED RIVETS - A driven disc assembly is provided wherein a clutch disc has enlarged holes for connection of opposing backing plates. The backing plates have semi-pierced sections that are insertable within mounting holes of the clutch disc. The thickness of the backing plates are enlarged from their normal thickness causing a top surface of the backing plates to axially clear heads of conventional rivets. The thickness of the friction buttons on the backing plates can then be reduced to their minimal effective use thickness. | 10-15-2015 |
| 20150292569 | CLUTCH PACK WITH WEAR LINERS - An improved clutch pack is disclosed. The clutch pack incorporates liners, improved driving friction disks and driven disks where the thickness of the improved driving friction disks and driven disks are selected in order to allow more driving friction disks and more driven disks to be used within the improved clutch pack while maintaining approximately the same overall height as compared to the standard clutch pack the vehicles clutch system was designed for. | 10-15-2015 |
| 20150354638 | SYNCHRONIZER RING FOR A SYNCHRONIZATION UNIT OF A MANUAL TRANSMISSION AND METHOD FOR MANUFACTURING SUCH SYNCHRONIZER RING - A synchronizer ring for a synchronization unit of a manual transmission has a ring axis and is formed of a ring-shaped sheet-metal cone with a substantially constant sheet thickness. The ring-shaped sheet-metal cone has a cone-shaped radial outer side and an opposite radial inner side with a cone-shaped friction surface, wherein on its radial outer side the sheet-metal cone includes an integrally molded centering collar for radially centering the synchronizer ring relative to a synchronizer hub of the synchronization unit. The sheet-metal cone is deformed in the region of the centering collar and includes a first sheet portion with a residual thickness reduced as compared to the sheet thickness and axially adjacent a second sheet portion with a collar thickness which at least corresponds to the sheet thickness. The residual thickness of the sheet-metal cone is substantially constant in the first sheet portion. | 12-10-2015 |
| 20160195143 | FRICTION ELEMENT | 07-07-2016 |
| 20160201735 | CLUTCH DISC | 07-14-2016 |
| 20180023632 | LINING CARRIER FOR A WET RUNNIN FRICTION LINING | 01-25-2018 |
| 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. | 09-04-2008 |
| 20090008209 | Production Method for Coned Disk Spring and Clutch Unit - A production method for coned disk springs includes: preparing a plate member; punching plural annular blanks from the plate member by pressing; and forming the blanks into coned disk springs. In the pressing, plural slits are formed at one of a peripheral portion and an inner peripheral portion of at least one of the blanks, and a smaller outer diameter blank among the blanks is punched from an inner region of a larger outer diameter blank among the blanks. | 01-08-2009 |
| 20090078527 | CLUTCH FOR A TRANSMISSION - The clutch of the present invention has a reaction plate, a friction plate, a friction layer, and at least one non-compressible member. The friction plate is disposed adjacent the reaction plate for frictionally engaging the reaction plate to transfer a driving torque between the reaction plate and the friction plate when the compression force is applied. The friction layer has at least one groove. The at least one non-compressible member is disposed in the at least one groove for preventing further compression of the friction layer by the reaction plate. The at least one non-compressible member is adhered to the friction plate or press fit within the friction layer. | 03-26-2009 |
| 20090194384 | WET MULTI-PLATE CLUTCH - A wet multi-plate clutch supplies lubricating oil via a lubricating gallery from an inner circumferential surface of a cylindrical member of a clutch hub to a plurality of plates. The lubricating oil is appropriately supplied to a space between adjacent plates even under an idle neutral control. In the wet multi-plate clutch, a cylindrical member is divided into a plurality of areas having identical length in the circumferential direction, each area is provided with a group of lubricating gallery set consisting of a plurality of lubricating galleries formed at mutually different positions in the axial direction by shifting the positions of the plurality of lubricating galleries which constitute the group of lubricating gallery set in the circumferential direction. An open end portion of the cylindrical member is provided with a circular dam portion protruding inward in a radial direction, an inner radius of the dam portion is configured to be not greater than a radius of a concentric circle which is concentric with the cylindrical member and is tangent to a line joining two ends of each area of the cylindrical member in the circumferential direction. | 08-06-2009 |
| 20100059326 | Friction lamella - The invention relates to a friction lamella ( | 03-11-2010 |
| 20100175964 | CLUTCH REACTION PLATE - A torque-transfer clutch includes a clutch reaction plate including an annular-shaped reaction element fixedly attached to a rigid plate element. The annular-shaped reaction element includes a preformed spring steel element and a plurality of undulations projecting orthogonal to a planar surface of the rigid plate element. | 07-15-2010 |
| 20110056792 | Cushioned Ceramic Driven Disc Assembly with Ceramic Friction Pads Fixed to Slotted Backer Plates - A clutch disc assembly for a friction torque device has a clutch damper assembly which includes a hub defining an axis of rotation and a concentric steel disc. The damper assembly includes a plurality of cushion elements fixed to the steel disc. First and second friction rings are disposed on opposite sides of the cushion elements and are rotatively fixed to the steel disc. First and second friction rings have an equal number of inner circumference and outer circumference keyhole slots defining an equal number of mounting areas. A friction pad is fixed to each mounting area, with friction pads on the first friction ring being in substantial alignment with the friction pads on the second friction ring. | 03-10-2011 |
| 20110147158 | PLATE FOR A FRICTIONALLY ACTING DEVICE AND FRICTIONALLY ACTING DEVICE HAVING A PLATE OF SAID TYPE - The present invention relates to a plate for a frictionally acting device, which plate can be rotationally fixedly connected, preferably in a positively locking manner, to a plate carrier. According to the invention, the plate is designed so as to be elastically deformable or resilient in the axial direction. The present invention also relates to a frictionally acting device having a plate of said type. | 06-23-2011 |
| 20130192950 | Raised bearing surface clutch friction plate machine - A Clutch Friction Plate Machine which has a friction plate with elevated plates or annular rings bonded to the clutch friction plate bearing surface. The elevated plates or annular rings may be of different materials, and some of the elevated plates or annular rings may be raised by spring means so that the one or more spring means raised elevated plates or annular rings engage with the opposing bearing surface first and then pressure causes the one or more spring means raised elevated plates or annular ring surfaces to lower allowing subsequent bearing surface engagement with the one or more nonspring means raised elevated plates or annular ring surfaces. | 08-01-2013 |
| 20140124325 | CLUTCH DISK - The invention relates to a clutch disk ( | 05-08-2014 |
| 20160003307 | CLUTCH DISC - A clutch disc ( | 01-07-2016 |
| 20160025155 | FRICTION PLATE PROVIDED WITH CORE PLATE AND MANUFACTURING METHOD THEREFOR - A method for manufacturing a friction plate provided with a core plate includes subjecting a spline portion formed at an outer periphery or an inner periphery of the core plate to a hardening process by laser. | 01-28-2016 |
| 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 applied by such a process. | 09-04-2008 |
| 20080236984 | 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 carbon thin film is coated at a sliding surface of the sliding section of the base material. The hard carbon thin film contains hydrogen in an amount not more than 20 atomic %. The transmission oil composition contains at least one of organic oxygen-containing compound and aliphatic amine compound. | 10-02-2008 |
| 20080277234 | SYNCHRONIZER RING - A synchronizer ring ( | 11-13-2008 |
| 20080283353 | Brass Alloy and Synchronizing Ring - A wear-resistant brass alloy is ideally suited for manufacturing a synchronizing ring for use in couplings, brakes, transmissions, etc. The brass alloy contains 55-68% by weight of copper, 0-6% by weight of aluminium, 2-14% by weight of manganese, 0.5-3% by weight of phosphorus, 0-1% by weight of lead, unavoidable impurities and the rest zinc. | 11-20-2008 |
| 20090008210 | 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 than 10%. The proportion of the at least one abrasive material in the friction lining body is at most 5% by weight. | 01-08-2009 |
| 20090008211 | Clutch Member and Process for Manufacturing the Same - A clutch member and a process for manufacturing the same. In the clutch member, a steel sheet has an initial composition of 0.32 to 0.38% of C, 0.15% or less of Si, 0.3 to 0.5% of Mn, and 0.16 to 0.60% of Cr, by mass; and has an initial uniformly dispersed structure of carbide with an average particle diameter of 0.1 to 1.2 μm; and is subjected to punch and subsequent heat treatment for the main body to have a tensile strength of 1307 to 1633 MPa, hardness of 400 to 500 HV, impact value of 70 J/cm | 01-08-2009 |
| 20090032361 | 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 from 70 to 85%. The preconditioning is optionally preceded by grinding, preferably before the wet paper friction member is attached to a base plate. | 02-05-2009 |
| 20090107795 | Material wear indication system - A material wear indication system is provided that includes a friction plate capable of engaging a moving surface and a wear indicator. The friction plate includes a wearable portion and a non-wearable portion. In one embodiment the wear indicator is embedded in the non-wearable portion and is prevented from contacting the moving surface until the wearable surface has been sufficiently eroded. When the wear indicator contacts the moving surface it emits a particulate matter that can be detected by a sensor. The sensor is operable to generate an electrical signal that is transmitted to a control unit when the wearable surface has eroded thereby exposing the wear indicator to the moving surface. | 04-30-2009 |
| 20090166144 | Friction system - A friction system, including a plurality of friction elements which interact by way of contact surfaces for clutches of gearboxes or wheel brakes of motor vehicles. At least one friction element from the plurality of friction elements includes wholly or in part a composite material with high wear resistance and high heat resistance. The at least one friction element includes a carbonized plastics matrix mixed with frictionally active substances and strengthening fibers and a high-temperature-resistant friction matrix with stable friction properties and high wear resistance. | 07-02-2009 |
| 20100078287 | 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 engagement of the torque-transmitting mechanism. The coating is a mixture of a resin binder and a friction modifier. A method of forming a friction material is also provided. | 04-01-2010 |
| 20100096238 | IMPREGNATING METHOD FOR THE PRODUCTION OF WOUND COUPLING COATINGS - The invention relates to a wound friction coating and a method for the production thereof. | 04-22-2010 |
| 20100206683 | WET TYPE FRICTION PLATE - A wet friction plate is constructed such that a carbon based friction material is placed on a outer peripheral side of a friction plate and a paper based friction material is placed on an inside of a carbon based friction material. A transmission torque occupied by the paper based friction material is smaller than that occupied by the carbon based friction material. The wet friction plate can prevent a sudden unexpected slip at low temperature. | 08-19-2010 |
| 20100206684 | METHOD FOR PRODUCING FIBRIL-EXHIBITING HIGH-PERFORMANCE CHOPPED FIBERS, FIBRIL-EXHIBITING HIGH-PERFORMANCE CHOPPED FIBERS, AND ARTICLES CONTAINING THE SAME - A method for producing fibril-exhibiting high-performance fibers comprising the steps
| 08-19-2010 |
| 20100282565 | FRICTION LAYER CARRIER DEVICE AND METHOD FOR MANUFACTURING THE FRICTION LAYER CARRIER DEVICE - A friction layer carrier device has a basic element with a basic element contact surface and a friction layer lining body with a lining contact surface. The friction layer lining body is fastened to the basic element in such a way that the basic element contact surface and the lining contact surface are joined together in adhesive regions via an adhesive. At least one depression region, which allows degassing of the adhesive, is introduced into the basic element contact surface and/or into the lining contact surface. | 11-11-2010 |
| 20100294615 | FRICTION LINING - A friction lining, which has a friction part and a backing part. As a preform, wound from a strand material and treated with a binder, the friction part is subjected to hot pressing. It is suggested that the backing part is subjected to hot pressing together with the preform, so that a bond is created between the friction part and the backing part by the polymerization of the hinder. | 11-25-2010 |
| 20110024257 | FRICTION LINING FOR A FRICTION CLUTCH - A friction lining for a clutch disk for a frictional clutch which is manufactured from a preform article wound from strand material and subjected to a hot pressing process. Glass fibers of the friction lining are at least partially replaced by mineral fibers for minimizing abrasive behavior. The short glass fibers and other components such as aramide fibers, polyacryl nitrile fibers as well as artificial mineral fibers are processed into a non-woven fabric in a carding step and strips of the fabric, with the inclusion of at least one metal wire, are twisted to form the strand material. The strand material manufactured in this manner is impregnated with binding agent and filling agents and is processed into a preform. | 02-03-2011 |
| 20110100778 | PRESSURE PLATE - A pressure plate for use in a friction clutch assembly comprises a substantially flat annular coupling face for frictional engagement with a coupling face of a clutch plate and one or more discontinuities formed in the coupling face of the pressure plate. The discontinuity(ies) decrease a greater relative proportion of the surface area closer to an inner radius of the coupling face of the pressure plate than an outer radius of the coupling face of the pressure plate to increase a mean effective radius of the surface area. The discontinuity(ies) include a generally circumferential groove around an inner portion of the coupling face of the pressure plate and, at each end of the generally circumferential groove, a wiper portion of the coupling face of the pressure plate extending inwardly toward an axis of rotation of the pressure plate(s). | 05-05-2011 |
| 20110226580 | THIXOMOLDED CORE PLATES - One embodiment includes a friction plate and method of manufacture thereof wherein the friction plate is fabricated from a thixomolded magnesium or titanium material or alloy thereof, which is lighter than comparable steel friction plates. | 09-22-2011 |
| 20110272238 | COMPOSITE COMPONENTS HAVING VARIABLE SURFACE PROPERTIES - One exemplary embodiment comprises a load transfer device that includes a composite component having a variable and controllable surface roughness. The component may comprise a base substrate, a compliant layer over the base substrate, and a top layer over the compliant layer. The complaint layer and the top layer may act cooperatively to reversibly generate wrinkles in response to changes in temperature of the composite component. | 11-10-2011 |
| 20120061203 | CAST-IN SPLINE SLEEVE FOR CLUTCH HUB - A composite, i.e., two element, two material clutch hub includes an inner sleeve of a heavy, high strength material to and about which is cast an outer element of a lighter, lower strength material. The sleeve typically includes a splined opening that is received on one or two complementarily splined shafts and a plurality of radially oriented pins or lugs or a discontinuous flange about which the outer element is cast. The outer element is splined to the friction plate of a clutch or other component. The high strength material is preferably, though not necessarily, steel and the lighter material is preferably, though not necessarily, an aluminum alloy. Alternatively, the sleeve may be a high strength aluminum alloy such as a metal matrix composite (MMC) and the outer element may be a lower strength, different aluminum alloy. | 03-15-2012 |
| 20120067691 | SLIDING FRICTION MATERIAL - For reduction in size and weight, friction materials aiming at a high coefficient of kinetic friction have been developed. However, friction materials with a high coefficient of kinetic friction may cause sticking to a sliding partner material and deteriorated feeling in operation in particular in the initial running-in period during the initial stage of use. Therefore, the use of friction materials with a high coefficient of kinetic friction has been restricted. Since such sticking to the sliding partner material is less likely to occur after experiencing an initial running-in period, developed was a friction material in a form that is effective in prevention of sticking during the initial running-in period. Among sliding surfaces | 03-22-2012 |
| 20120186935 | PERFORATED CLUTCH DISC AND HEAT MANAGEMENT METHOD - A clutch disc for use in an automobile engine in communication with a flywheel is provided. The clutch disc includes a cylindrical disc comprising a central aperture. One or both sides of the cylindrical disc includes a clutch lining having a high coefficient of friction. The clutch lining is configured to interact with the flywheel during normal operation of an engine. The clutch disc further includes a plurality of perforations through the clutch disc, including the clutch lining and cylindrical disc. The perforations through the clutch disc provide a means for heat removal from within an engine and aid in extending the life of the clutch disc and clutch assembly. | 07-26-2012 |
| 20130032445 | WET FRICTION MEMBER AND ITS MANUFACTURING METHOD - A wet friction member contains a pulverized cork heated to 150-200° C. if necessary. The pulverized cork is mixed with other papermaking materials and formed into a paper-made substrate. The paper-made substrate is impregnated with a synthetic resin to be a binder and heated and cured. The cork itself has a high friction coefficient μ. Moreover, a powder thereof increases surface area and area in contact with a separator plate of a counter member, thereby improving a friction coefficient of a friction surface of the wet friction member. The friction coefficient of the cork itself and capacities for absorbing and discharging oil are improved by heating the cork. Thus, there is provided a wet friction member that has a higher friction coefficient μ. An increase in the friction coefficient μ, weight reduction by reducing the number of friction members, and high efficiency are achieved when used as a wet friction member. | 02-07-2013 |
| 20130037373 | WET FRICTION MATERIAL - A wet friction material for use in a wet clutch includes a friction interfacing surface for experiencing frictional engagement with an opposed surface in the presence of a lubricant. At least a portion of the friction interfacing surface comprises fibrillated nanofibers, which define a nanofibrous web, and friction adjusting particles held by the nanofibrous web. A cured resin may adhere the fibrillated nanofibers and the friction adjusting particles to provide structural support for the friction material. | 02-14-2013 |
| 20130118858 | FRICTION PLATE FOR A FRICTION CLUTCH PACK - A clutch is configured to transfer torque between a first element and a second element. The first element is coupled to a reaction plate and the second element is coupled to a friction plate disposed opposite the reaction plate. The friction plate includes a plate element, a friction layer, and a plurality of compressible members. The friction layer is fixedly attached to the plate element and defines a plurality of grooved voids. The compressible members are disposed in the grooved voids of the friction layer and fixedly attached to the plate element. | 05-16-2013 |
| 20130168198 | WEAR LINER AND IMPROVED FRICTION DISKS FOR USE IN A STANDARD CLUTCH BASKET - An improved liner and friction disk for a clutch basket is disclosed. The improved liner is easily retrofitted into a typical clutch basket and is held in place without fasteners or adhesives or special changes to the clutch basket. The improved liner is held in place without consideration to the outer diameter of the basket allowing the liner to work with a wider range of clutch basket designs and sizes. The liner provides an improved wear surface for the clutch basket's engagement surface with the driving friction surface. A friction disk with tabs adapted to fit inside the narrowed space provided by the improved liner is also disclosed. | 07-04-2013 |
| 20130168199 | WET FRICTION MATERIAL - To be able to promote discharge of lubricating oil in a disengaged state while maintaining a large lining area to such an extent that it does not affect torque transmission capacity, heat resistance, and peeling resistance thereby to obtain an excellent effect to reduce a drag torque in a wide range of relative rotation speeds. | 07-04-2013 |
| 20130264166 | METHOD FOR PRODUCING A FRICTION ELEMENT - A method for producing a friction element, in particular a wet running friction disk in a motor vehicle, wherein during operation the friction element rotates about an axis of rotation. The friction element has a friction area and a connection area, and the friction element is connected to a friction element carrier in the connection area. The invention also relates to a friction element. | 10-10-2013 |
| 20130270059 | METHOD FOR PRODUCING A FRICTION BODY - A method for producing a friction body, in particular a wet friction disk in a motor vehicle, the friction body turning about a rotational axis during operation. The friction body has a friction area and a connection area and the connection area of the friction body is connected to a friction body carrier. A friction body, in particular a wet friction disc in a motor vehicle, is also provided. | 10-17-2013 |
| 20130284558 | FRICTION DISCS HAVING A STRUCTURED CERAMIC FRICTION LAYER AND METHOD OF MANUFACTURING THE FRICTION DISCS - A cylindrical ring-shaped friction disc contains a support body, at least one friction layer, and in each case an intermediate layer arranged between the support body and the friction layer. The intermediate layer has mutually adjoining flat regions with different coefficients of thermal expansion. A method teaches how to produce such a friction disc, and to the use the friction disc as parts of brake and clutch systems, in particular for motor vehicles. | 10-31-2013 |
| 20130334006 | Polymeric Bearing Articles for Use in Ultra-high Pressure and Velocity Environments - A polymeric thrust bearing is provided for an ultra-high PV environment. The polymeric thrust bearing includes an annular bearing body having an inner perimeter and an outer perimeter, and a plurality of lubricant channels extending across the annular bearing body from the inner perimeter to the outer perimeter. The annular bearing body comprises a polymer composition comprising a polymer having typically a glass transition temperature of at least about 140° C., such as an aromatic polyimide or a poly(aryl ether ketone), and at least one friction and wear additive. The polymeric thrust bearing is configured to withstand a velocity and a pressure in a lubricated environment in which the product of the velocity and the pressure is about 1,100,000 psi-fpm (23540 kg/cm | 12-19-2013 |
| 20140124326 | FRICTION CLUTCH AND PLATE WITH PARTIALLY RAISED SEGMENT JOINTS - A friction material segment includes a first end and a second end, the first end including an edge having a first section having a reduced thickness and a second section having a second thickness greater than the reduced thickness section. A friction plate with a plurality of friction material segments and a wet-type friction clutch are also provided, as is a method for manufacturing the friction material segment. | 05-08-2014 |
| 20140144746 | FRICTION PLATE WITH COMPRESSED OVERLAPPING SECTIONS - A friction material part is provided. The friction material part includes a first segment and a second segment, an end of the first segment overlapping an end of the second segment to form a joint that is compressed more than intermediate portions of the first and second segments. A method for manufacturing a friction material part is also provided. The method includes overlapping an end of a first friction material segment and an end of a second friction material segment; and compressing the overlapped ends to form a compressed joint. | 05-29-2014 |
| 20140190783 | METHOD FOR PRODUCING A FRICTION ELEMENT - The invention relates to a method for producing a friction element ( | 07-10-2014 |
| 20140299440 | SMOOTH ENGAGEMENT ELEMENT FOR CLUTCH FRICTION DEVICE - A friction device has a center axis (A) and a mid plane (P) perpendicular to the center axis (A). The friction device comprises first and second shields coaxial to the center axis (A) and pieced together to form a radially emerging peripheral slot between internal faces thereof, first and second friction linings fixed to external faces of the first and second shields, first connecting torques made in one piece with the first shield and having a circumferential orientation, second connecting torques made in one piece with the second shield and having a circumferential orientation, and a progressiveness element disposed in the peripheral slot and pressed between the internal faces of the first and second shields. The second connecting torques are inclined with respect to a plane of the second shield towards the mid plane (P) of the friction disc. The progressiveness element at least partly comprises an addition silicone. | 10-09-2014 |
| 20140326573 | FRICTION PLATE INCLUDING CONNECTED CORE PLATES - A friction plate for a clutch is provided. The friction plate includes a first core plate including at least one first radial extension, a second core plate including at least one second radial extension and friction material held axially between the at least one first radial extension and the at least one second radial extension. The at least one first radial extension and the at least one second radial extension are imbedded axially into opposite sides of the friction material and joined together. A method of forming a friction plate for a clutch is also provided. | 11-06-2014 |
| 20140339045 | REDUCED DRAG CLUTCH PLATE - A clutch plate includes an annular body and an integral resilient portion connected to the annular body by a first circumferentially extending tab. The annular body has inner and outer diameters and first and second parallel surfaces extending therebetween. The resilient portion has third and fourth parallel surfaces extending at respective acute angles to the first and second parallel surfaces. In some example embodiments, the clutch plate includes a wet friction material affixed to the first and third surfaces. In an example embodiment, the clutch plate has a wet friction material affixed to the second and fourth surfaces. In an example embodiment, the clutch plate has first and second circumferential slots respectively disposed radially inside and outside of the first circumferentially extending tab. | 11-20-2014 |
| 20140346003 | WET FRICTION MATERIAL - In a wet friction material, a plurality of segment pieces is disposed at both sides of inter-segment grooves. The segment pieces are composed of first segment pieces and second segment pieces. The first segment piece has at least two inner peripheral recesses formed on an inner periphery thereof and at least two outer peripheral recesses formed on an outer periphery thereof. The outer periphery of the first segment piece has a short dimension. The second segment piece has at least two inner peripheral recesses formed on an inner periphery thereof and at least two outer peripheral recesses formed on an outer periphery thereof. The outer periphery of the second segment piece has a long dimension. | 11-27-2014 |
| 20150060227 | MATING SURFACE OF A FRICTION PAIRING - A mating surface of a friction pairing is provided which includes a friction surface that can be connected and/or is connected to the mating surface in a friction-fit manner in the operation of the friction pairing for torque transmission. The invention is characterized in that the mating surface is provided with a heat dissipation coating which has a significantly higher level of heat conductivity than a carrier material on which the heat dissipation coating is applied. | 03-05-2015 |
| 20160053823 | FRICTION ASSEMBLY - The invention relates to an friction assembly ( | 02-25-2016 |
| 20160053824 | FRICTION ASSEMBLY - The invention relates to a friction assembly ( | 02-25-2016 |
| 20160091040 | MULTI-LAYER FRICTION LINING - A multi-layer friction lining is provided, in particular a clutch friction lining including a friction part and a reinforcement part. The invention is characterized in that the reinforcement part comprises a woven fabric. | 03-31-2016 |
| 20160195150 | Friction Material for Clutch | 07-07-2016 |
| 20160377125 | ASSEMBLY FOR A SYNCHRONIZATION UNIT OF A GEAR-CHANGING TRANSMISSION - Assembly for synchronization unit of gear-changing transmission includes a friction ring and synchronizer ring. Friction ring has a conical friction ring body with friction surface and an installation surface that respectively bound friction ring body in a radial peripheral direction extending perpendicular to an axial friction ring axis. Friction surface extends at a predefinable friction angle and installation surface extends at a predefinable installation angle, in each case conically. Synchronizer ring has a contact surface corresponding to installation surface of friction ring. Synchronizer ring and friction ring are adapted so that contact surface of synchronizer ring contacts installation surface of friction ring, and friction surface of friction ring is in rubbing contact with a gear wheel during a synchronization process where synchronizer ring is displaced in a direction of a gear wheel to be synchronized. Installation surface of friction ring and/or contact surface of synchronizer ring has/have adhesion-reducing surface structure. | 12-29-2016 |
| 20170234370 | Clutch friction member for a friction clutch and method of manufacturing the same | 08-17-2017 |
| 20190145478 | WET FRICTION MATERIAL WITH CHEMICALLY-ATTACHED FRICTION MODIFIER | 05-16-2019 |
| 20120152689 | SLIDE ASSEMBLY WITH CURVED SLOPE SURFACE - A slide assembly includes a slide block received in a clutching channel of a driven member. The slide block forms at least one notch, which forms a curved slope surface and movably receives a roll therein. The curved slope surface has a curvature substantially identical to a curvature of a curved surface of the clutching channel. The curved slope surface forms an included angle with respect to the curved surface and defines an obtuse corner portion. The roll is biased by an elastic basing member toward the obtuse corner portion. The slide block has a side surface to which a bar is mounted, and the bar carries a roller, which is movably received in a slot defined in a driving disc. The curved slope surface allows the roll to maintain a constant friction pressure angle with respect to the curved surface and the curved slope surface. | 06-21-2012 |
| Entries |
| Document | Title | Date |
|---|
| 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 the friction surface and at least one of both side portions of the friction material defining the groove is formed as an arc configuration and the groove has a radial intermediate portion having a width greater than those of the inner diameter portion and the outer diameter portion. | 09-18-2008 |
| 20080236985 | WET TYPE FRICTION PLATE - The present invention provides a wet type friction plate having a friction surface formed by securing a plurality of friction material segments to a substantially annular core plate, in which a groove extending through from an inner diameter side to an outer diameter side is formed between the friction material segments, and a recessed portion facing toward the core plate is formed in a side surface of the friction material segment defining the groove. | 10-02-2008 |
| 20080296119 | Clutch Outer Member For Multi-Plate Clutch - A clutch outer member ( | 12-04-2008 |
| 20080302625 | WET TYPE FRICTION PLATE - The present invention provides a wet type friction plate having a friction surface formed by securing a friction material to a substantially annular core plate in an annular fashion, in which the friction surface is provided with a plurality of first recessed portion each including an opening portion opened to an inner diameter side and an end portion closed between inner and outer diameter sides of the friction material and a plurality of second recessed portions each including an opening portion opened to the outer diameter side and an end portion closed between the inner and outer diameter sides of the friction material, and the first recessed portions and the second recessed portions are arranged alternately along a circumferential direction, wherein each of said first recessed portions and said second recessed portions has a maximum circumferential width at said opening portion. | 12-11-2008 |
| 20080314713 | Segmented and Laminated Core Steel Plate for Single and/or Double Sided Wet Clutch Friction Plates or Separator Plates - Segmented and laminated steel core plates ( | 12-25-2008 |
| 20100193317 | SEGMENTED SUPPORT PLATE FOR A LAMELLA, AND LAMELLA HAVING A SEGMENTED SUPPORT PLATE OF SAID TYPE - The present invention relates to a segmented support plate ( | 08-05-2010 |
| 20100193318 | CLUTCH LINK FOR A DRIVING CLUTCH AND PRODUCTION METHOD - The invention provides for a clutch link for a driving clutch and has a receptacle chamber for receiving another clutch link of the driving clutch, the receptacle chamber comprising a contact surface and a counter surface, which points toward the contact surface. A hole is implemented behind the counter surface, is connected via a gap to the receptacle chamber, and extends parallel to the longitudinal axis of the driving clutch. A spring element is situated in the hole and has a contact area for contact on the other clutch link, and protrudes through the gap into the receptacle chamber. The invention further provides for a method for producing a sintered component having connection apparatus, in particular a clutch link for a driving clutch, having the following steps: forming a green body having a receptacle chamber, contact surface, counter surface, hole, and gap; sintering the green body; inserting at least one spring element into each hole so that it has a contact area for contact on the other component and protrudes through the gap into the receptacle chamber. | 08-05-2010 |
| 20100200356 | WET FRICTION PLATE - A wet friction plate includes a disc-shaped core plate; and a plurality of friction members arranged in a circle at intervals, on a surface of the core plate. A first oil groove is formed on a friction surface of at least one of the friction members, and the first oil groove communicates with only an inner peripheral side surface of the at least one friction member, which is closest to an inner periphery of the core plate among side surfaces of the at least one friction member. The first oil groove includes a circumferential groove that extends in a circumferential direction of the core plate, and at least one radial groove that extends in a radial direction of the core plate, and is connected to the circumferential groove, and that communicates with the inner peripheral side surface of the at least one friction member. | 08-12-2010 |
| 20100270118 | BRAZED SUPPORT RING - A support ring for a torque converter including first and second laminations, wherein each of the first and second laminations includes first and second opposite surfaces, wherein the first surfaces of the first and second laminations are matingly engaged and affixed together, and the second surfaces of the first and second laminations form a pair of external, opposite surfaces of the support ring, wherein the first surfaces of the first and second laminations each further comprise at least one hole, at least one protrusion, and wherein the at least one protrusion of the first lamination is engaged in the at least one hole of the second lamination, and wherein the at least one protrusion of the second lamination is engaged in the at least one hole of the first lamination. | 10-28-2010 |
| 20110048889 | Clutch Plate Having Reinforced Spline Teeth - A clutch plate for transmitting torque from a driving member to a driven member may include an annular body disposed around an axis and defining inner and outer edges, the annular body having a thickness “t”. A plurality of spline teeth may project radially from the annular body. Each spline tooth may include a tab extending from the annular body and a flap superposed over the tab. Each spline tooth may further have a thickness “T” approximately twice the body thickness “t”. The flap may be formed integrally with the tab, in which case the flap may be folded over a fold line to superpose the flap and tab. The fold line may extend substantially circumferentially about the axis. | 03-03-2011 |
| 20110180366 | CLUTCH ASSEMBLY - A disc component of a clutch assembly includes, but is not limited to, one or more mounting structures. One of the mounting structures opens in a longitudinal direction of the disc component. The mounting structure is configured to receive a pre-mounted fastener on a second disc component of the clutch assembly from the longitudinal direction. The pre-mounted fastener is configured to fasten the disc component to the second component of from a lateral side of the disc component. | 07-28-2011 |
| 20120118696 | FRICTIONAL PART WITH A ZIG-ZAG OR UNDULATING CIRCUMFERENTIAL GROOVE IN THE FRICTIONAL SURFACE - A friction part for a frictionally acting device comprising an annular friction surface which has an inner edge and an outer edge, with the friction surface having provided in it an encircling first groove which extends in zig-zag or undulating form between radially inner and radially outer deflection points, a plurality of second grooves which extend from the inner edge to the outer deflection points and a plurality of third grooves which extend from the outer edge into the encircling first groove and which open into the encircling first groove at opening-in points between the deflection points. | 05-17-2012 |
| 20120175216 | SEGMENT-TYPE FRICTION MATERIAL - A segment-type friction material comprises segment pieces each having a supply passage formed thereon to supply lubricating oil to a surface of each of the segment pieces. The segment-type friction material further comprises oil grooves each having an outer peripheral opening portion extended in a curved shape or a linear shape. Thereby, lubricating oil is sufficiently supplied to the surface of each of the segment pieces from an outer peripheral side thereof or an inner peripheral side thereof and a clearance between the segment-type friction material and its associated separator plate is assured. Moreover, a space for the lubricating oil to flow through an outer periphery is sufficiently assured and a drag torque is reduced. | 07-12-2012 |
| 20130092499 | FRICTION PLATE WITH PRESSED CORE PLATES - A friction plate, including: a ring-shaped piece of friction material with an inner circumference, and first and second surfaces facing in first and second opposite axial directions, respectively; a first core plate with a first ring-shaped body, a first plurality of protrusions extending radially outward from the first ring-shaped body and imbedded in the first surface, and a second plurality of protrusions extending radially inward from the first ring-shaped body; and a second core plate with a second ring-shaped body, a third plurality of protrusions extending radially outward from the second ring-shaped body and embedded in the second surface, and a fourth plurality of protrusions extending radially inward from the second ring-shaped body. The first and second bodies are at least partially disposed radially inward of the inner circumference. The second and fourth pluralities of protrusions are for engagement with a rotatable element. | 04-18-2013 |
| 20130186727 | CLUTCH PLATE AND METHOD OF PRODUCING SAME - A clutch plate in an annular shape, the clutch plate includes: a plurality of lubricating grooves on one end face and the other end face of the clutch plate in an axial direction; and a plurality of windows passing through the clutch plate in the axial direction. The lubricating grooves are formed with plastic deformation, in a same phase on both the end faces, and extended up to outer peripheral edges and inner peripheral edges of both the end faces. A plurality of intersection points where the lubricating grooves intersect with each other are positioned in other areas than at least one of the outer peripheral edges, radially outer edges of the windows, radially inner edges of the windows, and the inner peripheral edges, of both the end faces. | 07-25-2013 |
| 20130299301 | CLUTCH BACKER PLATE WITH RECESSED RIVETS - A driven disc assembly is provided wherein a clutch disc has enlarged holes for connection of opposing backing plates. The backing plates have semi-pierced sections that are insertable within mounting holes of the clutch disc. The thickness of the backing plates are enlarged from their normal thickness causing a top surface of the backing plates to axially clear heads of conventional rivets. The thickness of the friction buttons on the backing plates can then be reduced to their minimal effective use thickness. | 11-14-2013 |
| 20130299302 | CLUTCH BACKER PLATE WITH RECESSED RIVETS - A driven disc assembly is provided. The backing plates have right angle depression sections that surround mounting holes of a clutch disc. The thickness of the backing plates are enlarged from their normal thickness causing a top surface of the backing plates to axially clear heads of conventional rivets. The thickness of the friction buttons on the backing plates can then be reduced to their minimal effective use thickness. | 11-14-2013 |
| 20140001006 | Friction Ring | 01-02-2014 |
| 20140014460 | DRY CLUTCH FRICTION PLATE ASSEMBLY - A friction plate assembly for use in a dry clutch, the friction plate assembly includes a hub and support member, a first friction disc, a second friction disc, and a plurality of silicone-based adhesive beads disposed between each of the first friction disc and the second friction disc. The adhesive beads are disposed in a pattern designed to create a cooling air pathway from the interior of the friction plate assembly to the exterior. | 01-16-2014 |
| 20140014461 | FRICTION MEMBER, CLUTCH PLATE, CLUTCH DEVICE AND TORQUE CONVERTER - A friction member to be used for a lock-up clutch device includes a plurality of friction portions and a plurality of grooves. The plural friction portions are disposed in alignment in a circumferential direction. The plural grooves are formed between or among the plural friction portions and penetrate therebetween or thereamong from the inner peripheral side to the outer peripheral side. Further, each of the plural grooves includes an inner peripheral groove and an outer peripheral groove. The inner peripheral groove is formed in a V-shape, and includes a first groove that is disposed on the inner peripheral side and has an opening, and a second groove that is disposed on the outer peripheral side and continues to the first groove. The outer peripheral groove continuers to the outer peripheral end of the second groove of the inner peripheral groove, and radially extends in the outer peripheral direction. | 01-16-2014 |
| 20140144747 | FRICTION PLATE HAVING MECHANICALLY CONNECTED FRICTION MATERIAL - A method of forming a friction plate is provided. The method includes force fitting a friction material onto a base to form a mechanical connection between the friction material and the base. A friction plate is also provided. The friction plate includes a base and a friction material force fit onto the base such that a mechanical connection is formed by a shape of the friction material and a shape of the base. | 05-29-2014 |
| 20140182995 | CLUTCH PLATE - In a clutch plate of an annular shape and a wet type, a plurality of lubrication grooves each taking a U-shape in cross-section are formed on a friction engaging surface on at least one end side. The groove is provided with a groove forming portion crossing the circumferential direction and blunt portions extending along both sides of the groove forming portion and connecting the friction engaging surface with the groove forming portion. Where a straight line passing across one side end of the groove and extending in a radial direction is assumed as a virtual straight line, in a section of the groove taken along a plane that is orthogonal to the virtual straight line and that includes the one side end, the width of the blunt portion on one side is in a range of 0.12 to 0.35 mm, and the depth of the blunt portion is in a range of 25 to 50 μm. | 07-03-2014 |
| 20140197003 | SLIDING MEMBER, CLUTCH PLATE, AND PRODUCTION METHODS THEREOF - A sliding member includes a base material portion formed of steel; a nitrogen diffusion layer with a thickness of 10 μm to 50 μm; and a nitrogen compound layer with a thickness of 10 μm to 50 μm. The nitrogen compound layer and the nitrogen diffusion layer are formed by performing a first heating process of performing heat treatment on a material formed of steel in an ammonia atmosphere at a temperature of 570° C. to 660° C., a second heating process of performing heat treatment on the material in a non-oxidizing and non-ammonia atmosphere at a temperature of 660° C. to 690° C., the temperature in the second heating process being higher than the temperature in the first heating process, and an oil cooling process of performing oil cooling treatment at an oil temperature of 60° C. to 80° C. subsequently to the second heating process. | 07-17-2014 |
| 20140251749 | Quick Change Friction Linings for Constricting Clutch Brake Element - A constricting clutch brake element ( | 09-11-2014 |
| 20140291107 | CLUTCH PLATE - A clutch plate for a clutch assembly is provided. The clutch plate includes a body defining an outer circumference. A plurality of extensions projects radially from the outer circumference of the body. A first separating member is formed by bending a portion of at least one of the plurality of extensions along a first direction. The first separating member is configured to resiliently separate the clutch plate from an adjoining clutch plate of the clutch assembly along the first direction in a disengaged condition of the clutch assembly. A second separating member is formed by bending a portion of at least another of the plurality of extensions along a second direction. The second separating member is configured to resiliently separate the clutch plate from another adjoining clutch plate of the clutch assembly along the second direction in the disengaged condition of the clutch assembly. | 10-02-2014 |
| 20150008090 | FRICTION DEVICE FOR A CLUTCH - A friction device ( | 01-08-2015 |
| 20150292568 | CLUTCH BACKER PLATE WITH RECESSED RIVETS - A driven disc assembly is provided wherein a clutch disc has enlarged holes for connection of opposing backing plates. The backing plates have semi-pierced sections that are insertable within mounting holes of the clutch disc. The thickness of the backing plates are enlarged from their normal thickness causing a top surface of the backing plates to axially clear heads of conventional rivets. The thickness of the friction buttons on the backing plates can then be reduced to their minimal effective use thickness. | 10-15-2015 |
| 20150292569 | CLUTCH PACK WITH WEAR LINERS - An improved clutch pack is disclosed. The clutch pack incorporates liners, improved driving friction disks and driven disks where the thickness of the improved driving friction disks and driven disks are selected in order to allow more driving friction disks and more driven disks to be used within the improved clutch pack while maintaining approximately the same overall height as compared to the standard clutch pack the vehicles clutch system was designed for. | 10-15-2015 |
| 20150354638 | SYNCHRONIZER RING FOR A SYNCHRONIZATION UNIT OF A MANUAL TRANSMISSION AND METHOD FOR MANUFACTURING SUCH SYNCHRONIZER RING - A synchronizer ring for a synchronization unit of a manual transmission has a ring axis and is formed of a ring-shaped sheet-metal cone with a substantially constant sheet thickness. The ring-shaped sheet-metal cone has a cone-shaped radial outer side and an opposite radial inner side with a cone-shaped friction surface, wherein on its radial outer side the sheet-metal cone includes an integrally molded centering collar for radially centering the synchronizer ring relative to a synchronizer hub of the synchronization unit. The sheet-metal cone is deformed in the region of the centering collar and includes a first sheet portion with a residual thickness reduced as compared to the sheet thickness and axially adjacent a second sheet portion with a collar thickness which at least corresponds to the sheet thickness. The residual thickness of the sheet-metal cone is substantially constant in the first sheet portion. | 12-10-2015 |
| 20160195143 | FRICTION ELEMENT | 07-07-2016 |
| 20160201735 | CLUTCH DISC | 07-14-2016 |
| 20180023632 | LINING CARRIER FOR A WET RUNNIN FRICTION LINING | 01-25-2018 |
| 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. | 09-04-2008 |
| 20090008209 | Production Method for Coned Disk Spring and Clutch Unit - A production method for coned disk springs includes: preparing a plate member; punching plural annular blanks from the plate member by pressing; and forming the blanks into coned disk springs. In the pressing, plural slits are formed at one of a peripheral portion and an inner peripheral portion of at least one of the blanks, and a smaller outer diameter blank among the blanks is punched from an inner region of a larger outer diameter blank among the blanks. | 01-08-2009 |
| 20090078527 | CLUTCH FOR A TRANSMISSION - The clutch of the present invention has a reaction plate, a friction plate, a friction layer, and at least one non-compressible member. The friction plate is disposed adjacent the reaction plate for frictionally engaging the reaction plate to transfer a driving torque between the reaction plate and the friction plate when the compression force is applied. The friction layer has at least one groove. The at least one non-compressible member is disposed in the at least one groove for preventing further compression of the friction layer by the reaction plate. The at least one non-compressible member is adhered to the friction plate or press fit within the friction layer. | 03-26-2009 |
| 20090194384 | WET MULTI-PLATE CLUTCH - A wet multi-plate clutch supplies lubricating oil via a lubricating gallery from an inner circumferential surface of a cylindrical member of a clutch hub to a plurality of plates. The lubricating oil is appropriately supplied to a space between adjacent plates even under an idle neutral control. In the wet multi-plate clutch, a cylindrical member is divided into a plurality of areas having identical length in the circumferential direction, each area is provided with a group of lubricating gallery set consisting of a plurality of lubricating galleries formed at mutually different positions in the axial direction by shifting the positions of the plurality of lubricating galleries which constitute the group of lubricating gallery set in the circumferential direction. An open end portion of the cylindrical member is provided with a circular dam portion protruding inward in a radial direction, an inner radius of the dam portion is configured to be not greater than a radius of a concentric circle which is concentric with the cylindrical member and is tangent to a line joining two ends of each area of the cylindrical member in the circumferential direction. | 08-06-2009 |
| 20100059326 | Friction lamella - The invention relates to a friction lamella ( | 03-11-2010 |
| 20100175964 | CLUTCH REACTION PLATE - A torque-transfer clutch includes a clutch reaction plate including an annular-shaped reaction element fixedly attached to a rigid plate element. The annular-shaped reaction element includes a preformed spring steel element and a plurality of undulations projecting orthogonal to a planar surface of the rigid plate element. | 07-15-2010 |
| 20110056792 | Cushioned Ceramic Driven Disc Assembly with Ceramic Friction Pads Fixed to Slotted Backer Plates - A clutch disc assembly for a friction torque device has a clutch damper assembly which includes a hub defining an axis of rotation and a concentric steel disc. The damper assembly includes a plurality of cushion elements fixed to the steel disc. First and second friction rings are disposed on opposite sides of the cushion elements and are rotatively fixed to the steel disc. First and second friction rings have an equal number of inner circumference and outer circumference keyhole slots defining an equal number of mounting areas. A friction pad is fixed to each mounting area, with friction pads on the first friction ring being in substantial alignment with the friction pads on the second friction ring. | 03-10-2011 |
| 20110147158 | PLATE FOR A FRICTIONALLY ACTING DEVICE AND FRICTIONALLY ACTING DEVICE HAVING A PLATE OF SAID TYPE - The present invention relates to a plate for a frictionally acting device, which plate can be rotationally fixedly connected, preferably in a positively locking manner, to a plate carrier. According to the invention, the plate is designed so as to be elastically deformable or resilient in the axial direction. The present invention also relates to a frictionally acting device having a plate of said type. | 06-23-2011 |
| 20130192950 | Raised bearing surface clutch friction plate machine - A Clutch Friction Plate Machine which has a friction plate with elevated plates or annular rings bonded to the clutch friction plate bearing surface. The elevated plates or annular rings may be of different materials, and some of the elevated plates or annular rings may be raised by spring means so that the one or more spring means raised elevated plates or annular rings engage with the opposing bearing surface first and then pressure causes the one or more spring means raised elevated plates or annular ring surfaces to lower allowing subsequent bearing surface engagement with the one or more nonspring means raised elevated plates or annular ring surfaces. | 08-01-2013 |
| 20140124325 | CLUTCH DISK - The invention relates to a clutch disk ( | 05-08-2014 |
| 20160003307 | CLUTCH DISC - A clutch disc ( | 01-07-2016 |
| 20160025155 | FRICTION PLATE PROVIDED WITH CORE PLATE AND MANUFACTURING METHOD THEREFOR - A method for manufacturing a friction plate provided with a core plate includes subjecting a spline portion formed at an outer periphery or an inner periphery of the core plate to a hardening process by laser. | 01-28-2016 |
| 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 applied by such a process. | 09-04-2008 |
| 20080236984 | 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 carbon thin film is coated at a sliding surface of the sliding section of the base material. The hard carbon thin film contains hydrogen in an amount not more than 20 atomic %. The transmission oil composition contains at least one of organic oxygen-containing compound and aliphatic amine compound. | 10-02-2008 |
| 20080277234 | SYNCHRONIZER RING - A synchronizer ring ( | 11-13-2008 |
| 20080283353 | Brass Alloy and Synchronizing Ring - A wear-resistant brass alloy is ideally suited for manufacturing a synchronizing ring for use in couplings, brakes, transmissions, etc. The brass alloy contains 55-68% by weight of copper, 0-6% by weight of aluminium, 2-14% by weight of manganese, 0.5-3% by weight of phosphorus, 0-1% by weight of lead, unavoidable impurities and the rest zinc. | 11-20-2008 |
| 20090008210 | 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 than 10%. The proportion of the at least one abrasive material in the friction lining body is at most 5% by weight. | 01-08-2009 |
| 20090008211 | Clutch Member and Process for Manufacturing the Same - A clutch member and a process for manufacturing the same. In the clutch member, a steel sheet has an initial composition of 0.32 to 0.38% of C, 0.15% or less of Si, 0.3 to 0.5% of Mn, and 0.16 to 0.60% of Cr, by mass; and has an initial uniformly dispersed structure of carbide with an average particle diameter of 0.1 to 1.2 μm; and is subjected to punch and subsequent heat treatment for the main body to have a tensile strength of 1307 to 1633 MPa, hardness of 400 to 500 HV, impact value of 70 J/cm | 01-08-2009 |
| 20090032361 | 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 from 70 to 85%. The preconditioning is optionally preceded by grinding, preferably before the wet paper friction member is attached to a base plate. | 02-05-2009 |
| 20090107795 | Material wear indication system - A material wear indication system is provided that includes a friction plate capable of engaging a moving surface and a wear indicator. The friction plate includes a wearable portion and a non-wearable portion. In one embodiment the wear indicator is embedded in the non-wearable portion and is prevented from contacting the moving surface until the wearable surface has been sufficiently eroded. When the wear indicator contacts the moving surface it emits a particulate matter that can be detected by a sensor. The sensor is operable to generate an electrical signal that is transmitted to a control unit when the wearable surface has eroded thereby exposing the wear indicator to the moving surface. | 04-30-2009 |
| 20090166144 | Friction system - A friction system, including a plurality of friction elements which interact by way of contact surfaces for clutches of gearboxes or wheel brakes of motor vehicles. At least one friction element from the plurality of friction elements includes wholly or in part a composite material with high wear resistance and high heat resistance. The at least one friction element includes a carbonized plastics matrix mixed with frictionally active substances and strengthening fibers and a high-temperature-resistant friction matrix with stable friction properties and high wear resistance. | 07-02-2009 |
| 20100078287 | 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 engagement of the torque-transmitting mechanism. The coating is a mixture of a resin binder and a friction modifier. A method of forming a friction material is also provided. | 04-01-2010 |
| 20100096238 | IMPREGNATING METHOD FOR THE PRODUCTION OF WOUND COUPLING COATINGS - The invention relates to a wound friction coating and a method for the production thereof. | 04-22-2010 |
| 20100206683 | WET TYPE FRICTION PLATE - A wet friction plate is constructed such that a carbon based friction material is placed on a outer peripheral side of a friction plate and a paper based friction material is placed on an inside of a carbon based friction material. A transmission torque occupied by the paper based friction material is smaller than that occupied by the carbon based friction material. The wet friction plate can prevent a sudden unexpected slip at low temperature. | 08-19-2010 |
| 20100206684 | METHOD FOR PRODUCING FIBRIL-EXHIBITING HIGH-PERFORMANCE CHOPPED FIBERS, FIBRIL-EXHIBITING HIGH-PERFORMANCE CHOPPED FIBERS, AND ARTICLES CONTAINING THE SAME - A method for producing fibril-exhibiting high-performance fibers comprising the steps
| 08-19-2010 |
| 20100282565 | FRICTION LAYER CARRIER DEVICE AND METHOD FOR MANUFACTURING THE FRICTION LAYER CARRIER DEVICE - A friction layer carrier device has a basic element with a basic element contact surface and a friction layer lining body with a lining contact surface. The friction layer lining body is fastened to the basic element in such a way that the basic element contact surface and the lining contact surface are joined together in adhesive regions via an adhesive. At least one depression region, which allows degassing of the adhesive, is introduced into the basic element contact surface and/or into the lining contact surface. | 11-11-2010 |
| 20100294615 | FRICTION LINING - A friction lining, which has a friction part and a backing part. As a preform, wound from a strand material and treated with a binder, the friction part is subjected to hot pressing. It is suggested that the backing part is subjected to hot pressing together with the preform, so that a bond is created between the friction part and the backing part by the polymerization of the hinder. | 11-25-2010 |
| 20110024257 | FRICTION LINING FOR A FRICTION CLUTCH - A friction lining for a clutch disk for a frictional clutch which is manufactured from a preform article wound from strand material and subjected to a hot pressing process. Glass fibers of the friction lining are at least partially replaced by mineral fibers for minimizing abrasive behavior. The short glass fibers and other components such as aramide fibers, polyacryl nitrile fibers as well as artificial mineral fibers are processed into a non-woven fabric in a carding step and strips of the fabric, with the inclusion of at least one metal wire, are twisted to form the strand material. The strand material manufactured in this manner is impregnated with binding agent and filling agents and is processed into a preform. | 02-03-2011 |
| 20110100778 | PRESSURE PLATE - A pressure plate for use in a friction clutch assembly comprises a substantially flat annular coupling face for frictional engagement with a coupling face of a clutch plate and one or more discontinuities formed in the coupling face of the pressure plate. The discontinuity(ies) decrease a greater relative proportion of the surface area closer to an inner radius of the coupling face of the pressure plate than an outer radius of the coupling face of the pressure plate to increase a mean effective radius of the surface area. The discontinuity(ies) include a generally circumferential groove around an inner portion of the coupling face of the pressure plate and, at each end of the generally circumferential groove, a wiper portion of the coupling face of the pressure plate extending inwardly toward an axis of rotation of the pressure plate(s). | 05-05-2011 |
| 20110226580 | THIXOMOLDED CORE PLATES - One embodiment includes a friction plate and method of manufacture thereof wherein the friction plate is fabricated from a thixomolded magnesium or titanium material or alloy thereof, which is lighter than comparable steel friction plates. | 09-22-2011 |
| 20110272238 | COMPOSITE COMPONENTS HAVING VARIABLE SURFACE PROPERTIES - One exemplary embodiment comprises a load transfer device that includes a composite component having a variable and controllable surface roughness. The component may comprise a base substrate, a compliant layer over the base substrate, and a top layer over the compliant layer. The complaint layer and the top layer may act cooperatively to reversibly generate wrinkles in response to changes in temperature of the composite component. | 11-10-2011 |
| 20120061203 | CAST-IN SPLINE SLEEVE FOR CLUTCH HUB - A composite, i.e., two element, two material clutch hub includes an inner sleeve of a heavy, high strength material to and about which is cast an outer element of a lighter, lower strength material. The sleeve typically includes a splined opening that is received on one or two complementarily splined shafts and a plurality of radially oriented pins or lugs or a discontinuous flange about which the outer element is cast. The outer element is splined to the friction plate of a clutch or other component. The high strength material is preferably, though not necessarily, steel and the lighter material is preferably, though not necessarily, an aluminum alloy. Alternatively, the sleeve may be a high strength aluminum alloy such as a metal matrix composite (MMC) and the outer element may be a lower strength, different aluminum alloy. | 03-15-2012 |
| 20120067691 | SLIDING FRICTION MATERIAL - For reduction in size and weight, friction materials aiming at a high coefficient of kinetic friction have been developed. However, friction materials with a high coefficient of kinetic friction may cause sticking to a sliding partner material and deteriorated feeling in operation in particular in the initial running-in period during the initial stage of use. Therefore, the use of friction materials with a high coefficient of kinetic friction has been restricted. Since such sticking to the sliding partner material is less likely to occur after experiencing an initial running-in period, developed was a friction material in a form that is effective in prevention of sticking during the initial running-in period. Among sliding surfaces | 03-22-2012 |
| 20120186935 | PERFORATED CLUTCH DISC AND HEAT MANAGEMENT METHOD - A clutch disc for use in an automobile engine in communication with a flywheel is provided. The clutch disc includes a cylindrical disc comprising a central aperture. One or both sides of the cylindrical disc includes a clutch lining having a high coefficient of friction. The clutch lining is configured to interact with the flywheel during normal operation of an engine. The clutch disc further includes a plurality of perforations through the clutch disc, including the clutch lining and cylindrical disc. The perforations through the clutch disc provide a means for heat removal from within an engine and aid in extending the life of the clutch disc and clutch assembly. | 07-26-2012 |
| 20130032445 | WET FRICTION MEMBER AND ITS MANUFACTURING METHOD - A wet friction member contains a pulverized cork heated to 150-200° C. if necessary. The pulverized cork is mixed with other papermaking materials and formed into a paper-made substrate. The paper-made substrate is impregnated with a synthetic resin to be a binder and heated and cured. The cork itself has a high friction coefficient μ. Moreover, a powder thereof increases surface area and area in contact with a separator plate of a counter member, thereby improving a friction coefficient of a friction surface of the wet friction member. The friction coefficient of the cork itself and capacities for absorbing and discharging oil are improved by heating the cork. Thus, there is provided a wet friction member that has a higher friction coefficient μ. An increase in the friction coefficient μ, weight reduction by reducing the number of friction members, and high efficiency are achieved when used as a wet friction member. | 02-07-2013 |
| 20130037373 | WET FRICTION MATERIAL - A wet friction material for use in a wet clutch includes a friction interfacing surface for experiencing frictional engagement with an opposed surface in the presence of a lubricant. At least a portion of the friction interfacing surface comprises fibrillated nanofibers, which define a nanofibrous web, and friction adjusting particles held by the nanofibrous web. A cured resin may adhere the fibrillated nanofibers and the friction adjusting particles to provide structural support for the friction material. | 02-14-2013 |
| 20130118858 | FRICTION PLATE FOR A FRICTION CLUTCH PACK - A clutch is configured to transfer torque between a first element and a second element. The first element is coupled to a reaction plate and the second element is coupled to a friction plate disposed opposite the reaction plate. The friction plate includes a plate element, a friction layer, and a plurality of compressible members. The friction layer is fixedly attached to the plate element and defines a plurality of grooved voids. The compressible members are disposed in the grooved voids of the friction layer and fixedly attached to the plate element. | 05-16-2013 |
| 20130168198 | WEAR LINER AND IMPROVED FRICTION DISKS FOR USE IN A STANDARD CLUTCH BASKET - An improved liner and friction disk for a clutch basket is disclosed. The improved liner is easily retrofitted into a typical clutch basket and is held in place without fasteners or adhesives or special changes to the clutch basket. The improved liner is held in place without consideration to the outer diameter of the basket allowing the liner to work with a wider range of clutch basket designs and sizes. The liner provides an improved wear surface for the clutch basket's engagement surface with the driving friction surface. A friction disk with tabs adapted to fit inside the narrowed space provided by the improved liner is also disclosed. | 07-04-2013 |
| 20130168199 | WET FRICTION MATERIAL - To be able to promote discharge of lubricating oil in a disengaged state while maintaining a large lining area to such an extent that it does not affect torque transmission capacity, heat resistance, and peeling resistance thereby to obtain an excellent effect to reduce a drag torque in a wide range of relative rotation speeds. | 07-04-2013 |
| 20130264166 | METHOD FOR PRODUCING A FRICTION ELEMENT - A method for producing a friction element, in particular a wet running friction disk in a motor vehicle, wherein during operation the friction element rotates about an axis of rotation. The friction element has a friction area and a connection area, and the friction element is connected to a friction element carrier in the connection area. The invention also relates to a friction element. | 10-10-2013 |
| 20130270059 | METHOD FOR PRODUCING A FRICTION BODY - A method for producing a friction body, in particular a wet friction disk in a motor vehicle, the friction body turning about a rotational axis during operation. The friction body has a friction area and a connection area and the connection area of the friction body is connected to a friction body carrier. A friction body, in particular a wet friction disc in a motor vehicle, is also provided. | 10-17-2013 |
| 20130284558 | FRICTION DISCS HAVING A STRUCTURED CERAMIC FRICTION LAYER AND METHOD OF MANUFACTURING THE FRICTION DISCS - A cylindrical ring-shaped friction disc contains a support body, at least one friction layer, and in each case an intermediate layer arranged between the support body and the friction layer. The intermediate layer has mutually adjoining flat regions with different coefficients of thermal expansion. A method teaches how to produce such a friction disc, and to the use the friction disc as parts of brake and clutch systems, in particular for motor vehicles. | 10-31-2013 |
| 20130334006 | Polymeric Bearing Articles for Use in Ultra-high Pressure and Velocity Environments - A polymeric thrust bearing is provided for an ultra-high PV environment. The polymeric thrust bearing includes an annular bearing body having an inner perimeter and an outer perimeter, and a plurality of lubricant channels extending across the annular bearing body from the inner perimeter to the outer perimeter. The annular bearing body comprises a polymer composition comprising a polymer having typically a glass transition temperature of at least about 140° C., such as an aromatic polyimide or a poly(aryl ether ketone), and at least one friction and wear additive. The polymeric thrust bearing is configured to withstand a velocity and a pressure in a lubricated environment in which the product of the velocity and the pressure is about 1,100,000 psi-fpm (23540 kg/cm | 12-19-2013 |
| 20140124326 | FRICTION CLUTCH AND PLATE WITH PARTIALLY RAISED SEGMENT JOINTS - A friction material segment includes a first end and a second end, the first end including an edge having a first section having a reduced thickness and a second section having a second thickness greater than the reduced thickness section. A friction plate with a plurality of friction material segments and a wet-type friction clutch are also provided, as is a method for manufacturing the friction material segment. | 05-08-2014 |
| 20140144746 | FRICTION PLATE WITH COMPRESSED OVERLAPPING SECTIONS - A friction material part is provided. The friction material part includes a first segment and a second segment, an end of the first segment overlapping an end of the second segment to form a joint that is compressed more than intermediate portions of the first and second segments. A method for manufacturing a friction material part is also provided. The method includes overlapping an end of a first friction material segment and an end of a second friction material segment; and compressing the overlapped ends to form a compressed joint. | 05-29-2014 |
| 20140190783 | METHOD FOR PRODUCING A FRICTION ELEMENT - The invention relates to a method for producing a friction element ( | 07-10-2014 |
| 20140299440 | SMOOTH ENGAGEMENT ELEMENT FOR CLUTCH FRICTION DEVICE - A friction device has a center axis (A) and a mid plane (P) perpendicular to the center axis (A). The friction device comprises first and second shields coaxial to the center axis (A) and pieced together to form a radially emerging peripheral slot between internal faces thereof, first and second friction linings fixed to external faces of the first and second shields, first connecting torques made in one piece with the first shield and having a circumferential orientation, second connecting torques made in one piece with the second shield and having a circumferential orientation, and a progressiveness element disposed in the peripheral slot and pressed between the internal faces of the first and second shields. The second connecting torques are inclined with respect to a plane of the second shield towards the mid plane (P) of the friction disc. The progressiveness element at least partly comprises an addition silicone. | 10-09-2014 |
| 20140326573 | FRICTION PLATE INCLUDING CONNECTED CORE PLATES - A friction plate for a clutch is provided. The friction plate includes a first core plate including at least one first radial extension, a second core plate including at least one second radial extension and friction material held axially between the at least one first radial extension and the at least one second radial extension. The at least one first radial extension and the at least one second radial extension are imbedded axially into opposite sides of the friction material and joined together. A method of forming a friction plate for a clutch is also provided. | 11-06-2014 |
| 20140339045 | REDUCED DRAG CLUTCH PLATE - A clutch plate includes an annular body and an integral resilient portion connected to the annular body by a first circumferentially extending tab. The annular body has inner and outer diameters and first and second parallel surfaces extending therebetween. The resilient portion has third and fourth parallel surfaces extending at respective acute angles to the first and second parallel surfaces. In some example embodiments, the clutch plate includes a wet friction material affixed to the first and third surfaces. In an example embodiment, the clutch plate has a wet friction material affixed to the second and fourth surfaces. In an example embodiment, the clutch plate has first and second circumferential slots respectively disposed radially inside and outside of the first circumferentially extending tab. | 11-20-2014 |
| 20140346003 | WET FRICTION MATERIAL - In a wet friction material, a plurality of segment pieces is disposed at both sides of inter-segment grooves. The segment pieces are composed of first segment pieces and second segment pieces. The first segment piece has at least two inner peripheral recesses formed on an inner periphery thereof and at least two outer peripheral recesses formed on an outer periphery thereof. The outer periphery of the first segment piece has a short dimension. The second segment piece has at least two inner peripheral recesses formed on an inner periphery thereof and at least two outer peripheral recesses formed on an outer periphery thereof. The outer periphery of the second segment piece has a long dimension. | 11-27-2014 |
| 20150060227 | MATING SURFACE OF A FRICTION PAIRING - A mating surface of a friction pairing is provided which includes a friction surface that can be connected and/or is connected to the mating surface in a friction-fit manner in the operation of the friction pairing for torque transmission. The invention is characterized in that the mating surface is provided with a heat dissipation coating which has a significantly higher level of heat conductivity than a carrier material on which the heat dissipation coating is applied. | 03-05-2015 |
| 20160053823 | FRICTION ASSEMBLY - The invention relates to an friction assembly ( | 02-25-2016 |
| 20160053824 | FRICTION ASSEMBLY - The invention relates to a friction assembly ( | 02-25-2016 |
| 20160091040 | MULTI-LAYER FRICTION LINING - A multi-layer friction lining is provided, in particular a clutch friction lining including a friction part and a reinforcement part. The invention is characterized in that the reinforcement part comprises a woven fabric. | 03-31-2016 |
| 20160195150 | Friction Material for Clutch | 07-07-2016 |
| 20160377125 | ASSEMBLY FOR A SYNCHRONIZATION UNIT OF A GEAR-CHANGING TRANSMISSION - Assembly for synchronization unit of gear-changing transmission includes a friction ring and synchronizer ring. Friction ring has a conical friction ring body with friction surface and an installation surface that respectively bound friction ring body in a radial peripheral direction extending perpendicular to an axial friction ring axis. Friction surface extends at a predefinable friction angle and installation surface extends at a predefinable installation angle, in each case conically. Synchronizer ring has a contact surface corresponding to installation surface of friction ring. Synchronizer ring and friction ring are adapted so that contact surface of synchronizer ring contacts installation surface of friction ring, and friction surface of friction ring is in rubbing contact with a gear wheel during a synchronization process where synchronizer ring is displaced in a direction of a gear wheel to be synchronized. Installation surface of friction ring and/or contact surface of synchronizer ring has/have adhesion-reducing surface structure. | 12-29-2016 |
| 20170234370 | Clutch friction member for a friction clutch and method of manufacturing the same | 08-17-2017 |
| 20190145478 | WET FRICTION MATERIAL WITH CHEMICALLY-ATTACHED FRICTION MODIFIER | 05-16-2019 |
| 20120152689 | SLIDE ASSEMBLY WITH CURVED SLOPE SURFACE - A slide assembly includes a slide block received in a clutching channel of a driven member. The slide block forms at least one notch, which forms a curved slope surface and movably receives a roll therein. The curved slope surface has a curvature substantially identical to a curvature of a curved surface of the clutching channel. The curved slope surface forms an included angle with respect to the curved surface and defines an obtuse corner portion. The roll is biased by an elastic basing member toward the obtuse corner portion. The slide block has a side surface to which a bar is mounted, and the bar carries a roller, which is movably received in a slot defined in a driving disc. The curved slope surface allows the roll to maintain a constant friction pressure angle with respect to the curved surface and the curved slope surface. | 06-21-2012 |
