117results about "Friction clutches" patented technology

To provide a friction material that exhibits superior wear resistance and fade resistance under high load conditions, among other frictional performance characteristics. [Solution] A friction material comprising a fibrous base material, a friction modifier, and a binder, wherein the copper content is 0.5% by mass or less in terms of copper element, the fibrous base material contains steel fibers, the steel fiber content is more than 20% by mass and less than 50% by mass, and the friction modifier contains titanium carbide powder.

This invention discloses a CVT drive clutch with downhill braking function, relating to the field of clutch technology. It includes a drive shaft, with a drive wheel assembly and a transmission wheel assembly connected to its two ends respectively. A braking assembly is provided between the drive wheel assembly and the transmission wheel assembly. The braking assembly includes a one-way bearing sleeved on the drive shaft; a bearing housing is sleeved on the outside of the one-way bearing; the inner ring of the one-way bearing is fixed to the drive shaft, and the outer ring of the one-way bearing is fixed to the bearing housing; a flange sleeve for connecting a drive belt is slidably sleeved on the outside of the bearing housing; the outer ring of the flange sleeve near the drive wheel assembly has a protruding structure for blocking the drive belt; an annular guide slider is sleeved on the outside of the bearing housing near the drive wheel assembly. The advantages of this invention are: it can achieve braking by clamping both sides of the drive belt, with fast response speed, good braking effect, and high reliability.

The present invention relates to clutch assemblies, rearview devices, vehicles, and methods of manufacturing the same. A clutch assembly for a rearview device of a vehicle includes a shaft having a first end, a second end, and a middle portion between the first end and the second end. The first end of the shaft includes a first clutch gear, and the second end of the shaft includes a pinion gear. The middle portion of the shaft includes a flange, a recess, a guide portion, and a shaft portion. A second clutch gear includes a cylindrical void and circumferentially surrounds the middle portion of the shaft. The cylindrical void of the second clutch gear includes a first inner wall portion, a second inner wall portion, and a protrusion between the first inner wall portion and the second inner wall portion. The second clutch gear is in contact with the middle portion of the shaft at a first friction region, a second friction region, and a third friction region.

A clutch device 210 includes a pressure plate 270 movable toward or away from a clutch center 240, rotatable relative to the clutch center 240, and operable to press input-side rotating plates 20 and output-side rotating plates 22. The pressure plate 270 is rotatable in a first circumferential direction S1. An oil flow hole 279 is located in spline grooves 278 to penetrate an outer peripheral wall 275 of the pressure plate 270, and allows clutch oil that has flowed out of the output shaft 15 to be discharged to outside of the pressure plate 270. In circumferential directions S, the oil flow hole 279 is located between an end 90SB of a pressure-side slipper cam surface 90S in a first circumferential direction S1 and a pressure-side cam holes 273H located ahead, in a second circumferential direction S2, of the end 90SB in the first circumferential direction S1.

A clutch pack reactor plate includes an annular ring. The annular ring includes a rotational axis, a toroidal surface facing a first axial direction, and a first annular surface, smaller than the toroidal surface, facing a second axial direction, opposite the first axial direction. A clutch pack including the clutch pack reactor plate is also disclosed.

To provide a technology which can reduce a size of an engagement device.SOLUTION: A first support part 34 for supporting a first friction engagement element 31 is arranged at a first member 1 or a member which is non-rotatably supported by the first member 1, and a second support part 35 for supporting a second friction engagement element 32 is arranged at a second member 2 so as to be located outside in a radial direction R with respect to the first support part 34. The first member 1 comprises a first radial-direction extension part 11 arranged at a second side L2 in an axial direction with respect to the friction engagement elements 31, 32, and extending along the radial direction R. The first radial-direction extension part 11 comprises: a regulation part 111 for regulating the movement of the friction engagement elements 31, 32 to the second side L2 in the axial direction; and an axial-direction support part 112 arranged inside the radial direction R with respect to the regulation part 111, and supporting a linear motion conversion mechanism 42 in an axial direction L. The linear motion conversion mechanism 42 is arranged at a position overlapped with the friction engagement elements 31, 32 in a radial-direction view and inside the radial direction R with respect to the friction engagement elements 31, 32.SELECTED DRAWING: Figure 1

The present application relates to a clutch disc wear compensation method including a compensation value determination operation in which a compensation value for wear of a clutch disc, which is contacted and spaced apart for power transmission and interruption, is determined, and a compensation value application operation in which the clutch disc is adjusted according to a map to which the compensation value is applied, wherein the compensation value determination operation estimates the wear of the clutch disc based on a correlation between a pressure applied to the clutch disc and an output of a motor that applies the pressure to the clutch disc and determines the compensation value, thereby preventing a reduction in transmission torque due to the wear of the clutch disc.

Electrically driven axle, e-axle / e-beam, (1) for a vehicle, e-axle / e-beam (1) comprising a casing (C) defining a space (V) separated from the external environment and at least one electric machine (2) and a pair of drive shafts (4', 4'') each connected to a respective wheel of the vehicle and supported by the casing (C), the e-axle (1) comprising a transmission chain housed in the space (V) operationally connecting at least one electric machine (2) to the pair of drive shafts (4', 4"), the transmission chain comprising operationally interposed in series between the at least one electric machine (2) and the pair of drive shafts (4', 4'') a first transfer system (5), a speed shift system (6), and a second transfer system (7) and a differential assembly (8), wherein the speed shift system (6) comprises a clutch shift system (60).

The utility model discloses a kind of clutches driven disc, it is related to clutch driven disc technical field, including inner disc hub, outer disc hub, shock disc, pre-damping disc assembly and pre-damping spring;Shock disc includes first shock disc and second shock disc;The outside of inner disc hub is sleeved with outer disc hub, the side of outer disc hub is connected with first shock disc, the other side of outer disc hub is connected with second shock disc, rivet connection between outer disc hub and first shock disc and second shock disc;Pre-damping disc assembly includes first pre-damping disc and second pre-damping disc;The outside of second shock disc is connected with first pre-damping disc, first pre-damping disc outside is connected with second pre-damping disc, and pre-damping driven disc is connected between first pre-damping disc and second pre-damping disc;Second pre-damping disc is connected with first pre-damping disc outside and is connected with second pre-damping disc along circumferential direction Multiple first openings for installing pre-damping spring are set;The outward side of first opening is connected with the baffle that is set to the outside protruding;Baffle has the observation hole that is through inner concave surface and outer convex surface.

The utility model discloses a kind of cover assembly capable of reducing clutch driving disc noise, including gear and cover plate, the intermediate position of gear is equipped with protruding bearing sleeve;The outer periphery of bearing sleeve is equipped with washer, cover plate is successively sleeved in the upper surface of washer;Correspondingly, limit slot is opened in the contact place of cover plate and washer.Correspondingly, limit slot is opened in the contact place of cover plate and washer.The utility model uses the bearing sleeve of gear center as the positioning column of washer without changing the existing gear and cover structure, restricts the position of washer by the height of bearing sleeve, solves the inconvenient installation of washer and the situation that it is easily deviated in use, avoids the problem that noise is generated by washer deviation, solves the abnormal sound problem of cover with minimum technical improvement and lowest improvement cost.

A clutch assembly (10), in particular for a winding device for wires, tubes and the like, which is configured to be mounted between a power group (200) and a driven element (300) is described. The clutch assembly (10) comprises: a first shaft (11) and a second shaft (12) being coaxial and rotational about an axis (X); clutch means (20) interposed between the first and second shafts (11, 12), the clutch means (20) in turn comprising at least one clutch disk (21); an urging and adjusting group (30) for the clutch means (20) configured to press the at least one clutch disk (21) against the first and second shafts (11, 12) with an adjustable elastic force. The urging and adjusting group (30) comprises an endless screw (31) and a gear wheel (32) in mutual screwing engagement.

A clutch apparatus 10 includes: a clutch center 40; a pressure member 70; a disc spring 180 disposed concentrically with the pressure member 70 and urging the pressure member 70 in a first direction D1; and clutch springs 25 urging the pressure member 70 in the first direction D1. The clutch center 40 includes spring housing portions 84 housing the clutch springs 25. An outer edge 180S of the disc spring 180 in a radial direction of an output shaft 15 is located radially outward of the clutch springs 25.

The clutch device (10) includes: a clutch spring (25) that applies force to the pressure plate (70) in a first direction (D1) and a stop plate (100) that prevents the pressure plate (70) from moving away from the clutch center sleeve (40) by a predetermined distance in a second direction (D2). The stop plate (100) has a first contact surface (102) provided on the surface (100D1) of the stop plate (100) in the first direction (D1) and inclined in the circumferential direction (S), and in contact with the end (25B) of the clutch spring (25) in the second direction (D2). The clutch device includes a pressure plate side protrusion (88) provided on the surface (70D2) of the pressure plate (70) in the second direction (D2) and protruding in the second direction (D2), and capable of surface contact with the stop plate (100).

The invention relates to a multi-plate brake / clutch with a disc pack (1) and an actuator with which the disc pack (1) can be subjected to a contact pressure, and with an adjusting device (15) by means of which an excess of clearance formed in the disc pack (1) due to wear can be reduced. According to the invention, the adjusting device (15) is a ramp unit (21) formed between the disc pack (1) and the actuator (3) with at least one surface ramp (25) that is fixed to rotation about a disc brake axis and an axially adjacent rotatable surface ramp (23). When the rotatable surface ramp (23) is actuated, the ramp unit (21) expands axially by an adjustment travel (n) by compensating for the excess of clearance.

This utility model relates to the field of continuously variable transmission (CVT) clutch technology for motorcycles, specifically to a friction wheel for a CVT clutch. It includes an end cover and a flange extending along the circumferential edge of the end cover. The end cover and the flange together form the inner cavity of the friction wheel. At least one mud-discharge hole is provided at the connection between the end cover and the flange. During clutch operation, when the friction wheel rotates at high speed, it can discharge dust and mud from the inner cavity of the friction wheel. The friction wheel using this design can reduce the impact of mud and dust on the clutch's friction performance, extending and improving the overall comfort and lifespan of the vehicle.

The utility model relates to a motorcycle stepless speed change clutch, concretely relates to a moving wheel bushing structure, including moving wheel, bush, the moving wheel has the central hole, the moving wheel central hole is provided with the shaft sleeve in interference fit, the bush interference fit is arranged in the shaft sleeve, adds the shaft sleeve structure between the moving wheel central hole and the bush, and the shaft sleeve has the safe interference amount with the moving wheel, and will not be loose, and the thermal expansion coefficient of the bush and the shaft sleeve is consistent, and will not be loose and turn, so can effectively prevent the bush thermal expansion loose, wear, exit problem, increased the reliability of the clutch, greatly improved the life of the clutch.

A clutch assembly (100) comprising an intermediate shaft (10), a first transmission member (20), and a first clutch component (30). The first transmission member is connected to the intermediate shaft. The first clutch component includes a first clutch portion (301) and a second clutch portion (302) that are selectively engaged. The first clutch portion is connected to the first transmission member, and the second clutch portion is rotatably sleeved on the intermediate shaft. One of the first transmission member and the second clutch portion is connected to a first power member (200), and the other of the first transmission member and the second clutch portion outputs power to a wheel.

To inhibit deformation of a clutch center.SOLUTION: A clutch device includes: a clutch center 3; a pressure plate 4; a clutch part; and a support plate 6. The clutch center 3 has a pressure receiving part 34 and pillar parts 35. The pressure plate 4 has a pressing surface 48. The support plate 6 is attached to a tip part of each pillar part 35. The clutch center 3 has first and second cam parts 37 and 38. Each first cam part 37 is disposed at a first rotation direction side relative to the pillar part 35, and each second cam part 38 is disposed at a second rotation direction side relative to the pillar part 35. The first and second cam parts 37 and 38 are integrally formed with the pillar part 35. The first cam part 37 has a first cam surface 371 directed to a first side in an axial direction and directed in the first rotation direction. The second cam part 38 has a second cam surface 381 directed to a second side in the axial direction and directed in the second rotation direction.SELECTED DRAWING: Figure 4

A method of controlling a hybrid vehicle including an engine, a motor, and a friction engagement element provided between the engine and the motor so as to be engageable and disengageable, is provided. An engine startup control for starting the engine stopped is performed to switch a traveling mode. The method includes raising an engine speed by cranking of the motor, while transiting the friction engagement element in a disengaged state to an engaged state, when the engine startup control is started, temporarily reducing an engaging torque of the friction engagement element, after the engine speed is raised by the cranking of the motor and before the engine speed coincides with a motor rotational speed, and raising the engaging torque to set the friction engagement element to a fully engaged state, after the temporarily reducing the engaging torque and the engine speed coincides with the motor rotational speed.

The application provides a pre-damping inverted size-horsepower universal driven disc assembly and clutch, and belongs to the field of clutch components. The clutch adopts the pre-damping inverted size-horsepower universal driven disc assembly. The pre-damping inverted size-horsepower universal driven disc assembly comprises a friction disc, a pre-damper and an inner disc hub. The center area of the friction disc is offset in a direction away from the flywheel; the pre-damper is arranged on the side of the center area of the friction disc facing the flywheel and is suitable for circumferential damping; the inner disc hub is arranged at the center of the friction disc through the pre-damper, and the pre-damper is arranged on the side of the center area of the friction disc facing the flywheel, so as to avoid interference between the pre-damper and the release ring; offsetting the center area of the friction disc in a direction away from the flywheel can leave sufficient distance between the pre-damper and the flywheel, so as to avoid interference between the pre-damper and the flywheel; in addition, the offset amount of the center area of the friction disc can be controlled to reasonably distribute the space on both sides of the center area of the friction disc, so as to improve the rationality of the design.

A clutch apparatus includes: a clutch center 40 to be rotationally driven together with an output shaft 15; and a pressure plate 70 provided so as to be movable toward or away from the clutch center 40 and rotatable relative to the clutch center 40. The clutch center 40 includes an output shaft holder 42 to which the output shaft 15 is connected. The output shaft holder 42 includes an insertion hole 45 through which the output shaft 15 is inserted. An end face 42D1 of the output shaft holder 42 facing in a first direction D1 is provided with oil grooves 42P which are in communication with the insertion hole 45, which extend in a radial direction of the output shaft 15 from the insertion hole 45 to a radially outer edge 42DO of the end face 42D1 facing in the first direction D1, and through which clutch oil that has flowed out of the output shaft 15 flows.

A hybrid module includes an electric motor having a rotor, a torque converter with a cover rotatably connected to the rotor, a K0 shaft and a K0 clutch. The torque converter is arranged for driving engagement with an input shaft of a transmission and the K0 shaft is arranged for driving connection to a crankshaft of a combustion engine. The K0 clutch is arranged for selectively rotatably connecting the rotor to the K0 shaft, and includes a piston sealed to the cover at a radially inner portion and at a radially outer portion.

To inhibit deformation of a support plate.SOLUTION: A clutch device 100 includes: a first rotating body 3; a support plate 6; a second rotating body 4; a clutch part 5; and biasing members 9. The first rotating body 3 has pillar parts 35 extending to a first side in an axial direction. The support plate 6 is attached to a tip part of each pillar part 35. The second rotating body 4 is rotatably disposed. The clutch part 5 is disposed between the first rotating body 3 and the second rotating body 4. Each biasing member 9 is disposed spaced apart from the pillar part 35 in a circumferential direction. The biasing member 9 is disposed between the second rotating body 4 and the support plate 6 in the axial direction. The support plate 6 has attachment parts 61 and reinforcement parts 64. The attachment part 61 is a portion to be attached to the pillar part 35. The reinforcement part 64 is disposed at the radial outer side relative to the attachment part 61. The reinforcement part 64 is configured to improve flexural rigidity of the support plate 6.SELECTED DRAWING: Figure 2

The application relates to the technical field of clutches, in particular to a marine friction clutch device and a marine power system. The clutch device comprises an input shaft, an output shaft, a clutch shell, a friction plate assembly and a ring-shaped piston. The input shaft and the output shaft are coaxially arranged, and both the input shaft and the output shaft are tubular bodies. In use, the friction plate assembly is compressed by the piston, so that the input shaft and the output shaft are connected. Since the input shaft and the output shaft are both hollow tubular bodies, the transmission shaft of the marine propulsion device can be directly connected with the power-providing main engine by penetrating the input shaft and the output shaft. The input shaft is connected with the output end of the main engine, and the output shaft is connected with the rotating shaft of the motor. The motor adopts a hollow rotating shaft, and the transmission shaft of the propulsion device penetrates the hollow rotating shaft of the motor. The motor can be connected with the output end of the main engine through the clutch device, thereby providing hybrid power or reserve power. The motor, the main engine and the propulsion device can be coaxially arranged, and the structure of the power system is simplified.

The utility model belongs to clutch technical field relates to a heavy truck gearbox's clutch cover assembly, including clutch cover, support riveting pressure spare that is located in the clutch cover, diaphragm spring and pressure plate that are located in the diaphragm spring one side between the clutch cover and support riveting pressure spare, support riveting pressure spare is connected with the elastic assembly that is located in the clutch cover surface. The elastic assembly provides the elastic force drive support riveting pressure spare to the diaphragm spring movement, offset clearance, prevent the pressure plate separation not sufficient, cause gear shifting difficult, gear tooth phenomenon.

The invention relates to a clutch device (2) for arrangement in a motor vehicle drive train between a drive unit (4) and a transmission (6), comprising a parallel double clutch (34) with a first multiplate clutch (36) for selectively transmitting torque between a clutch input side (38) and a first clutch output side (40) and a second multiplate clutch (42) for selectively transmitting torque between the clutch input side (38) and a second clutch output side (44), wherein the first multiplate clutch (36) has a first friction plate pack (46) which can be actuated by a first force transmission element (76), the second multiplate clutch (42) has a second friction plate pack (48) which can be actuated by a second force transmission element (78), and the first force transmission element (76) extends through an opening (96) in a friction plate of the second friction plate pack (48) to the first friction plate pack (46). The second force transmission element (78) extends through an opening (92) in the first force transmission element (76) to the second friction plate pack (48).

The utility model discloses a single input end clutch, include: mounting seat, power input shaft, power output shaft, driven part, driving part, elastic part, adjusting assembly, limiting component, power input shaft, power output shaft rotation connects in mounting seat, driven part connects in power output shaft and has limit hole, driving part slidingly arranged in power output shaft and has limit post, elastic part sets up between driving part and power output shaft, and elastic part is used for driving driving part to enter combination position, adjusting assembly connects in mounting seat, and adjusting assembly is used for controlling driving part to enter combination position or separate position, limiting component connects in mounting seat, and limiting component is used for the spacing of adjusting assembly, so that driving part is in combination position or separate position. Through the accurate movement of adjusting assembly of limiting component is realized, when limit post inserts limit hole, power is transferred, when limit post and limit hole separate, power is disconnected, thereby avoiding the problem that friction plate type clutch exists that friction plate is easy to wear.

A torsion damper for a vehicle powertrain includes a first element rotatable about an axis, a second element rotatable with respect to the first element about the axis. The second element includes first and second axially spaced lateral washers mounted coupled in rotation. The first element includes an intermediate disc arranged axially between the lateral washers. Springs are mounted between the first and second element to allow relative rotation between the first and second element. A first friction device includes a first friction washer arranged between the first lateral washer and first element, and a first elastic washer arranged axially between the first element and the first friction washer. A second friction device includes a second friction washer arranged between the second lateral washer and the first element, and a second elastic washer arranged axially between the first element and the second friction washer.

The application discloses a vehicle special precision clutch and belongs to the technical field of industrial transmission. The vehicle special precision clutch comprises a shell, a spline shaft rotatably connected in the shell, a driving claw rotatably connected in the shell and sleeved on the spline shaft away from one end of the spline shaft, a plurality of steel sheets axially moving on the spline shaft, a plurality of friction sheets axially moving in the driving claw, an inner tooth disc axially moving on the spline shaft, and a driving piece arranged on the shell and used for driving the inner tooth disc to move when ventilation so as to separate the steel sheets and the friction sheets. The steel sheets and the friction sheets are both provided with a plurality of steel sheets and a plurality of friction sheets, and the plurality of steel sheets and the plurality of friction sheets are sequentially and spacedly arranged. The vehicle special precision clutch is in a normally closed structure in a natural state, not only meets the working condition demand of long-term combination, but also can still keep stable torque transmission capacity under low air pressure condition.

The utility model relates to clutch disc technical field, and disclose a high heat dissipation clutch disc, including the upper cover, the bottom of upper cover is closely combined with the body, the bottom of upper cover and the top of body all are established screw hole, the inner wall screw thread connection of screw hole has fastening bolt, the top of body fixed assembly has fixed plate, the top fixed assembly of fixed plate has the friction plate, the inner wall fixed assembly of upper cover has the auxiliary radiating plate. This high heat dissipation clutch disc. Through being set up the upper cover, the body, fixed plate, air groove, auxiliary radiating plate, connecting ring, heat dissipation hole structure, make the clutch disc in the use process, utilize air groove to export the hot air generated when the friction of friction plate, to make the centrifugal force generated when the body rotates can export high hot gas to the outside of body through air groove, cooperate auxiliary radiating plate to adsorb heat, and then improve the heat dissipation effect of this clutch disc.