Abstract: A torque fluctuation absorbing apparatus provided between a driving source and a transmission and transmitting torque from the driving source to the transmission, the apparatus absorbing fluctuations in the torque and limiting a maximum value of the torque, the apparatus includes a flywheel, a supporting member, a first plate having a sliding surface, a second plate having a sliding surface, a disc spring supported by the supporting member and biasing one of the first and second plates towards the other one thereof, a friction material sandwiched tightly between the sliding surface of the first plate and the sliding surface of the second plate, a damper mechanism connected to the friction material and transmitting the torque from the driving source to an input shaft of the transmission, and a cover member demarcating the sliding surfaces of the first and second plates from an exterior of the torque fluctuation absorbing apparatus.

Abstract: A torque fluctuation absorbing apparatus provided between a driving source and a transmission and transmitting torque from the driving source to the transmission, the apparatus absorbing fluctuations in the torque and limiting a maximum value of the torque, the apparatus includes a flywheel, a supporting member, a first plate having a sliding surface, a second plate having a sliding surface, a disc spring supported by the supporting member and biasing one of the first and second plates towards the other one thereof, a friction material sandwiched tightly between the sliding surface of the first plate and the sliding surface of the second plate, a damper mechanism connected to the friction material and transmitting the torque from the driving source to an input shaft of the transmission, and a cover member demarcating the sliding surfaces of the first and second plates from an exterior of the torque fluctuation absorbing apparatus.

Abstract: A damper device includes a damper portion and a limiter portion, and the limiter portion has a first constitutive member formed to cover the damper portion or the limiter portion, a first and second friction materials fixed to a second constitutive member of the damper portion, a cover plate provided so as to be slidable to the first friction material, a support plate arranged so as to be distant from the cover plate at a radially inner portion of the support plate and so as to contact the cover plate at a radially outer portion of the support plate, a pressure plate provided so as to be slidable to the second friction material and a coned disc spring provided between the support plate and the pressure plate, wherein the first constitutive member is at least one of the cover plate and the support plate.

Abstract: A damper device includes a first plate member rotated when the rotational force is inputted thereto from an input side, a second plate member rotatable relative to the first plate member and outputting the rotational force to an output side when being rotated in response to a rotation of the first plate member, a damper portion for absorbing a relative rotation between the first plate member and the second plate member, and a hysteresis portion for absorbing the relative rotation by a friction force, wherein the hysteresis portion includes an intermediate member between the first plate member and the second plate member, and the intermediate member is pressed against one of the first plate member and the second plate member by the other one of the first plate member and the second plate member when the first plate member and the second plate member rotate relative to each other.

Abstract: A damper device includes damper portions arranged in series with each other in a power transmission path and absorbing torsion by means of elastic force, hysteresis portions arranged in parallel with the damper portions at the power transmission path and absorbing the torsion by means of friction force, an input plate inputting rotational torque into one of the damper portion closest to the input side and the hysteresis portion closest to the input side, an intermediate plate transmitting the rotational torque from the damper portion, arranged at the input side, and the hysteresis portion, arranged at the input side, to the damper portions, arranged at the output side, and the hysteresis portions, arranged at the output side, and an output plate outputting the rotational torque from the damper portion closest to the output side and the hysteresis portion closest to the output side.

Abstract: A torque fluctuation absorbing apparatus for absorbing a torque fluctuation generated between an engine and a transmission includes a dumper portion having a first plate member, a second plate member and a plurality of coil springs. The second plate member includes a first plate portion and a second plate portion to interpose therebetween the first plate member. The plurality of coil springs is provided between the first and second plate members. The plurality of coil springs is arranged to compress when the first and second plate members move relative to each other thereby absorbing a torque fluctuation generated by a difference between a rotation of the first plate member and a rotation of the second plate member. The first plate member is connected to an output shaft of the engine. The second plate member is connected to an input shaft of the transmission.

Abstract: A torque fluctuation absorber includes a disc fixed to a flywheel, a hub fixed to a transmission, first and second side plates fixed to the disc, a damper member, first and second control plates provided at axial both sides of the hub, the first and second control plates being riveted by a stopper pin, a first hysteresis mechanism including first and second low friction members and generating a small hysteresis, and a second hysteresis mechanism including first and second high friction members and generating a large hysteresis. The hub includes a flange portion having a through-hole into which the stopper pin is inserted. A relative rotational angle between the control plates and the hub is defined by a clearance formed between the through-hole and the hub. The first hysteresis mechanism is activated when the relative rotational angle is defined within the clearance.

Abstract: A vehicle transmission apparatus includes an engine generating a driving force; a transmission having, therein, at least one input shaft being connectable to the engine and an output shaft connected to a drive wheel, the transmission being capable of establishing, therein, one of plural shift stages in response to a vehicle driving condition; at least one clutch mechanism for establishing and interrupting transmission of a driving force of the engine to the transmission, the at least one clutch mechanism being capable of being connected to the at least one input shaft; and a braking means for applying a braking force to the engine.

Abstract: A torque fluctuation absorbing apparatus includes a hub member with a flange portion, first and second side-plates provided at both axial sides of the flange portion, respectively, a damper mechanism absorbing a fluctuation of a relative torque generated between the flange portion of the hub member and the first and second side-plates, a thrust member provided between the first side-plate and the flange portion of the hub member, and a first disc spring provided between the first side-plate and the thrust member and biasing the thrust member towards the flange portion of the hub member. The first side plate includes a bent portion bent towards the flange portion of the hub member and a bore formed at the bent portion, and the thrust member is formed with an engagement portion extending through the bore of the first side-plate and engaged with the bore of the first side-plate.

Abstract: A torque fluctuation absorbing apparatus including a limiter mechanism includes: a disc member connected to one of the driving-side member and the driven-side member, a first plate and a second plate connected to the other one of the driving-side member and the driven-side member; a frictional member fixed to the disc member and interposed between the first plate and the second plate, the frictional member including a frictional surface slidably in contact with the first and second plates. The frictional member includes a fibrous substrate and is formed with a plurality of grooves at the frictional surface. A minimum dimension between two adjacent grooves from among the plurality of grooves is designed to be greater than or equal to 2 mm and smaller than or equal to 7 mm.

Abstract: A torque fluctuation absorber includes a disc fixed to a flywheel, a hub fixed to a transmission, first and second side plates fixed to the disc, a damper member, first and second control plates provided at axial both sides of the hub, the first and second control plates being riveted by a stopper pin, a first hysteresis mechanism including first and second low friction members and generating a small hysteresis, and a second hysteresis mechanism including first and second high friction members and generating a large hysteresis. The hub includes a flange portion having a through-hole into which the stopper pin is inserted. A relative rotational angle between the control plates and the hub is defined by a clearance formed between the through-hole and the hub. The first hysteresis mechanism is activated when the relative rotational angle is defined within the clearance.

Abstract: A torque fluctuation absorbing apparatus provided between a driving source and a transmission and transmitting torque from the driving source to the transmission, the apparatus absorbing fluctuations in the torque and limiting a maximum value of the torque, the apparatus includes a flywheel, a supporting member, a first plate having a sliding surface, a second plate having a sliding surface, a disc spring supported by the supporting member and biasing one of the first and second plates towards the other one thereof, a friction material sandwiched tightly between the sliding surface of the first plate and the sliding surface of the second plate, a damper mechanism connected to the friction material and transmitting the torque from the driving source to an input shaft of the transmission, and a cover member demarcating the sliding surfaces of the first and second plates from an exterior of the torque fluctuation absorbing apparatus.

Abstract: A torque fluctuation absorbing apparatus provided between a crankshaft of an engine and a driven-side input shaft includes a flywheel coupled to the crankshaft and a damper assembly disposed in a torque transmission path between the flywheel and the driven-side input shaft. The damper assembly includes a pair of drive plates, a driven plate and a spring damper. A torque limiter is disposed in a torque transmission path between the flywheel and the damper assembly. The torque limiter includes a pair of linings which generates relative rotational slip between the flywheel and the damper assembly when a torque larger than a predetermined amount is transmitted and are adapted to slip when receiving at least a predetermined amount of torque. The linings of the torque limiter are fixed to one of the drive plates and are interposed between a flywheel main body and a damper cover that forms a part of the torque limiter.

Abstract: A torque fluctuation absorbing apparatus includes a flywheel coupled to an engine crankshaft, a damper assembly disposed between the flywheel and the driven-side input shaft and including a pair of drive plates, a driven plate and spring dampers, and a torque limiter disposed between the flywheel and the damper assembly and including a pair of linings that are adapted to slip when receiving at least a predetermined amount of torque. In fabricating the apparatus, the drive plates and the linings are centered with each other and assembled into a damper-torque limiter assembly, while the lining support plate is centered with respect to the flywheel, such that the damper-torque limiter assembly is fixed at the lining support plate to the flywheel.

Abstract: A vehicle transmission apparatus includes an engine generating a driving force; a transmission having, therein, at least one input shaft being connectable to the engine and an output shaft connected to a drive wheel, the transmission being capable of establishing, therein, one of plural shift stages in response to a vehicle driving condition; at least one clutch mechanism for establishing and interrupting transmission of a driving force of the engine to the transmission, the at least one clutch mechanism being capable of being connected to the at least one input shaft; and a braking means for applying a braking force to the engine.

Abstract: A torque fluctuation absorbing apparatus includes a flywheel coupled to an engine crankshaft, a damper assembly disposed between the flywheel and the driven-side input shaft and including a pair of drive plates, a driven plate and spring dampers, and a torque limiter disposed between the flywheel and the damper assembly and including a pair of linings that are adapted to slip when receiving at least a predetermined amount of torque. In fabricating the apparatus, the drive plates and the linings are centered with each other and assembled into a damper-torque limiter assembly, while the lining support plate is centered with respect to the flywheel, such that the damper-torque limiter assembly is fixed at the lining support plate to the flywheel.

Abstract: A torque fluctuation absorbing apparatus includes a flywheel coupled to an engine crankshaft, a damper assembly disposed between the flywheel and the driven-side input shaft and including a pair of drive plates, a driven plate and spring dampers, and a torque limiter disposed between the flywheel and the damper assembly and including a pair of linings that are adapted to slip when receiving at least a predetermined amount of torque. The apparatus is provided with a structure for reducing misalignment of the torque limiter during assembling thereof. For example, the torque limiter further includes a lining support plate to which the linings are fixed, and the linings are interposed between the drive plates.

Abstract: A torque fluctuation absorbing apparatus includes a flywheel coupled to an engine crankshaft, a damper assembly disposed between the flywheel and the driven-side input shaft and including a pair of drive plates, a driven plate and spring dampers, and a torque limiter disposed between the flywheel and the damper assembly and including a pair of linings that are adapted to slip when receiving at least a predetermined amount of torque. The apparatus is provided with a structure for reducing misalignment of the torque limiter during assembling thereof. For example, the torque limiter further includes a lining support plate to which the linings are fixed, and the linings are interposed between the drive plates.

Abstract: A torque fluctuation absorbing apparatus includes a flywheel coupled to an engine crankshaft, a damper assembly disposed between the flywheel and the driven-side input shaft and including a pair of drive plates, a driven plate and spring dampers, and a torque limiter disposed between the flywheel and the damper assembly and including a pair of linings that are adapted to slip when receiving at least a predetermined amount of torque. The apparatus is provided with a structure for reducing misalignment of the torque limiter during assembling thereof. For example, the torque limiter further includes a lining support plate to which the linings are fixed, and the linings are interposed between the drive plates.

Abstract: Disclosed is a clutch disk comprising a clutch hub including a flange formed on an outer periphery thereof, the flange having a plurality of openings, a first side plate including a plurality of openings, a second side plate including a plurality of openings, a plurality of dampers disposed in the openings of the flange of the clutch hub, the first side plate and the second side plate, and including an elastic member tapering from wide to narrow in an axial direction thereof away from one end thereof to a central portion thereof and tapering from narrow to wide in an axial direction thereof away from the central portion thereof to another end thereof, and sheet members disposed on both ends of the elastic member, and a facing connected to one of the first side plate and the second side plate.