Abstract: A damper device includes: an input element coupled to an engine via a clutch; an intermediate element; an output element coupled to an input shaft of a transmission; a first elastic body that is disposed between the input element and the intermediate element; and a second elastic body that is disposed between the intermediate element and the output element and that acts in series with the first elastic body. When a total moment of inertia of the output element and a rotation element that rotates integrally with the output element on the engine side with respect to the input shaft is J2, and a total moment of inertia of all rotation members included between the input shaft and a differential gear coupled to an output shaft of the transmission is JTM, 0.12?J2/(J2+JTM)?0.5 is satisfied.

Abstract: A damper assembly for a torque converter includes: an input flange; a cover plate; an intermediate flange; a hub flange; a first spring; and second spring; and a third spring. The input flange is arranged to receive a torque. The cover plate is connected to the input flange. The intermediate flange is axially spaced from the input flange and is connected to the cover plate radially outside of the input flange. The hub flange is disposed axially between the intermediate flange and the cover plate and is arranged to connect to a transmission input shaft. The first spring is arranged to be compressed by the input flange and the cover plate. The second spring is arranged to be compressed by the cover plate and the intermediate flange. The third spring is arranged to be compressed by the intermediate flange and the hub flange.

Abstract: A damper device includes first and second rotors, a first pre-damper, and a first main elastic member. The second rotor includes a hub and a flange. The first pre-damper elastically couples the hub and the flange in a rotational direction, and is actuated in a first range of torsion angle between the first and second rotors. The first main elastic member elastically couples the first and second rotors in the rotational direction, and is actuated in a greater second range of torsion angle. The first pre-damper includes first and second subordinate elastic members. The first subordinate elastic member is compressed in a neutral state, and urges the flange to a first side in the rotational direction with respect to the hub. The second subordinate elastic member is compressed in the neutral state, and urges the flange to a second side in the rotational direction with respect to the hub.

Abstract: The present invention relates to a lock-up device for a torque converter which has a simple structure compared to the prior art, which reduces manufacturing costs, and which may reduce a size of the entire torque converter and improve a damping ability of the dynamic damper by minimizing an installation space of a dynamic damper.

Abstract: A damper device includes a first rotary element, a second rotary element, and a third rotary element being each rotatable about a rotary center, a first elastic member elastically expanding and contracting in response to a relative rotation of the first rotary element and the second rotary element, a first stopper being provided at the first rotary element and the second rotary element, the first stopper restricting the relative rotation of the first rotary element and the second rotary element by a contact thereof, a second elastic member elastically expanding and contracting in response to a relative rotation of the second rotary element and the third rotary element, and a second stopper being provided at the first rotary element and the third rotary element, the second stopper restricting the relative rotation of the first rotary element and the third rotary element by a contact thereof.

Abstract: Disclosed are damper assemblies for engine disconnect devices, methods for making such damper assemblies, and motor vehicles with a disconnect device for coupling/decoupling an engine with a torque converter (TC). A disconnect clutch for selectively connecting an engine with a TC includes a pocket plate that movably mounts to the TC. The pocket plate includes pockets movably seating therein engaging elements that engage input structure of the TC and thereby lock the pocket plate to the TC. A selector plate moves between engaged and disengaged positions such that the engaging elements shift into and out of engagement with the TC input structure, respectively. A flex plate is attached to the engine's output shaft for common rotation therewith. A damper plate is attached to the pocket plate for common rotation therewith. Spring elements mate the damper and flex plates such that the damper plate is movably attached to the flex plate.

Abstract: A lock-up device includes a clutch portion, a piston, a sleeve and an oil chamber plate. The clutch portion is disposed between the front cover and a turbine. The piston is movable in an axial direction. The piston turns the clutch portion into a torque transmission state. The sleeve is fixed to a front cover and includes an outer peripheral surface and a protrusion. The outer peripheral surface supports an inner peripheral surface of the piston such that the piston is movable in the axial direction. The protrusion has an annular shape and protrudes radially outward from the outer peripheral surface. The oil chamber plate has a disc shape and is joined to a piston-side lateral surface of the protrusion of the sleeve. The oil chamber plate defines an oil chamber together with the piston therebetween. The oil chamber is supplied a hydraulic oil for activating the piston.

Abstract: A torsional damper for vehicle transmission systems comprises an input element rotationally movable around an axis and exhibiting at least one window comprising two angularly spaced lateral edges and a radially external edge. An output element is rotationally movable around the axis and exhibits at least one window comprising two angularly spaced lateral edges and a radially external edge. An elastic return member capable of being received simultaneously in the window of the input element and the window of the output element generates a force acting against rotation of the output element with respect to the input element. An additional element is rotationally movable around the axis and integral with one of the input element and output element. The additional element exhibits an edge comprising at least one region projecting radially into the window of the input element and output element with which the additional element is integral.

Abstract: A lock-up device for a torque converter transmits a torque from a front cover to a transmission-side member through a turbine. The lock-up device includes a clutch portion, a piston, a support member, and a synchronization mechanism. The clutch portion is disposed between the front cover and the turbine. The piston is movable in an axial direction. The piston turns the clutch portion into a torque transmission state. The support member supports the piston such that the piston is movable. The support member defines an oil chamber together with the piston. The oil chamber is supplied a hydraulic oil for activating the piston. The synchronization mechanism causes the piston to rotate in synchronization with the support member.

Abstract: A damper device has a dynamic damper that includes a mass body and vibration absorption springs that couple the mass body and an intermediate member to each other. The vibration absorption springs are arranged side by side with outer springs in the circumferential direction. The mass body has spring abutment portions that abut against end portions of the vibration absorption springs. The intermediate member has first outer spring abutment portions that abut against end portions of the outer springs and second outer spring abutment portions that abut against end portions of the vibration absorption springs on the radially inner side with respect to the spring abutment portions. The first outer spring abutment portions extend toward the radially outer side with respect to the second outer spring abutment portions.

Abstract: A hydrokinetic torque coupling device comprises a casing rotatable about a rotation axis, a torque converter including an impeller wheel and a turbine wheel disposed in the casing coaxially with the rotation axis, a turbine hub disposed in the casing coaxially with the rotation axis and fixed to the turbine wheel, and a torsional vibration damper. The torsional vibration damper comprises a driven member fixed to the turbine hub, a drive member rotatable relative to the driven member about the rotation axis, and a plurality of circumferentially acting outer and inner elastic damping members. The drive member and the driven member are operatively connected to both the radially outer and inner elastic damping members. The radially outer and inner elastic damping members are arranged in series.

Abstract: A lock-up device for a fluid coupling suppresses vibration caused by coil springs. The lock-up device includes an input rotation member, an output rotation member, a plurality of first elastic members, and a float member. The plurality of first elastic members are compressed in a rotational direction by the relative rotation of the input rotation member and the output rotation member. The float member is rotatable relative to the input rotation member to cause two of the first elastic members to act in series in a circumferential direction.

Abstract: A damper device configured with an input element, an intermediate element to which power is transferred from the input element through a first elastic body, and an output element to which power is transferred from the intermediate element through a second elastic body. One of the output element and the intermediate element has a protruding portion projecting in an axial direction. The other one of the output element and the intermediate element has a cutout portion corresponding to the protruding portion. The protruding portion has a restricting portion that is engaged with the cutout portion in a rotation direction so as to restrict rotation of the intermediate element relative to the output element, and a support portion that is engaged with the cutout portion so that the intermediate element is supported by the output element in a radial direction.

Abstract: A damper device including an input element to which power from a motor is transmitted; a first elastic body to which power is transmitted from the input element; a first intermediate element to which power is transmitted from the first elastic body; a second elastic body to which power is transmitted from the first intermediate element; a second intermediate element to which power is transmitted from the second elastic body; a third elastic body to which power is transmitted from the second intermediate element; and an output element to which power is transmitted from the third elastic body. The first and second elastic bodies are coil springs, and the third elastic body is an arc spring that is arranged radially inward of the first and second elastic bodies.

Abstract: A damper device including an input element to which power from a motor is transmitted; a first elastic body to which power is transmitted from the input element; a first intermediate element to which power is transmitted from the first elastic body; a second elastic body to which power is transmitted from the first intermediate element; a second intermediate element to which power is transmitted from the second elastic body; a third elastic body to which power is transmitted from the second intermediate element; and an output element to which power is transmitted from the third elastic body. A stiffness of the first elastic body is higher than a stiffness of the second elastic body.

Abstract: A vehicle damper device disposed between a power transmission member coupled to an output shaft of an engine and a power transmission shaft disposed concentrically and rotatably relative to the power transmission member, the vehicle damper device includes: an input-side rotating member to which power of the engine is input via the power transmission member; an output-side rotating member relatively non-rotatably coupled to the power transmission shaft to be concentric and rotatable relative to the input-side rotating member; a mass body disposed rotatably relative to the input-side rotating member; a first elastic member interposed between the input-side rotating member and the mass body; and a second elastic member interposed between the input-side rotating member and the output-side rotating member.

Abstract: A damper device including an input element to which power from a motor is transmitted; a first elastic body to which the power is transmitted from the input element; a first intermediate element to which the power is transmitted from the first elastic body; a second elastic body to which the power is transmitted from the first intermediate element; a second intermediate element to which the power is transmitted from the second elastic body, a third elastic body to which the power is transmitted from the second intermediate element; and an output element to which the power is transmitted from the third elastic body. The second elastic body is lighter than the first elastic body.

Abstract: A damper device including an input element to which power from a motor is transmitted; a first elastic body to which power is transmitted from the input element; a first intermediate element to which power is transmitted from the first elastic body; a second elastic body to which power is transmitted from the first intermediate element; a second intermediate element to which power is transmitted from the second elastic body; a third elastic body to which power is transmitted from the second intermediate element; and an output element to which power is transmitted from the third elastic body. A stiffness of the third elastic body is higher than a stiffness of the second elastic body.

Abstract: A damper unit having at least two series-connected damper units arranged offset from each other in a radial direction, each including two damper parts that are coupled to each other by means of spring units and a speed-adaptive absorber which is at least indirectly coupled to the connection between the two dampers, wherein the speed-adaptive absorber is arranged between the spring units of both dampers in a radial direction.

Abstract: A double damping flywheel comprises primary and secondary coaxial members. The members are rotatable relative to one another and coupled by first and second damping elements arranged in series by a connecting web. The first damping element includes at least one curved elastic member running circumferentially between two first seatings. The second damping element includes at least two groups of elastic members, each including at least two straight elastic members arranged in series by an intermediate bearing element. Each of the groups of straight elastic members runs circumferentially between two second seatings. An annular member for phasing the straight elastic members, separate from the connecting web, carries the intermediate bearing element of each group. The difference between the maximum angular displacement between the primary member and the connecting web, and the maximum angular displacement between the secondary member and the connecting web, is less than 30°.

Abstract: A force transmission flange, preferably an intermediate force transmission flange, for a torque transmission device or a damper device, in particular for a drivetrain of a motor vehicle, wherein the force transmission flange has driver devices for mechanically coupling energy storage elements, and for at least two energy storage elements arranged offset axially and/or radially with respect to each other, the force transmission flange has at least two driver devices which are formed as one piece of the same material with the force transmission flange and are for coupling the energy storage elements. The invention relates to a device such as a torque converter, Föttinger coupling, damper, torsional vibration damper, turbine damper, pump damper, dual-mass converter or dual-mass flywheel or a combination thereof, optionally with a centrifugal pendulum-type absorber, wherein the device has a force transmission flange, especially an intermediate force transmission flange.

Abstract: A vehicle damper device disposed between a power transmission member coupled to an output shaft of an engine and a power transmission shaft disposed concentrically and rotatably relative to the power transmission member, the vehicle damper device includes: an input-side rotating member to which power of the engine is input via the power transmission member; an output-side rotating member relatively non-rotatably coupled to the power transmission shaft to be concentric and rotatable relative to the input-side rotating member; a mass body disposed rotatably relative to the input-side rotating member; a first elastic member interposed between the input-side rotating member and the mass body; and a second elastic member interposed between the input-side rotating member and the output-side rotating member.

Abstract: A torque fluctuation absorber includes a first rotary member formed into an annular shape and including a first protruding portion formed at an inner circumferential surface, a second rotary member connected to the first rotary member, a third rotary member including a second protruding portion formed at an outer circumferential surface, a damper portion absorbing torque fluctuations caused by torsion generated between the second rotary member and the third rotary member, and an elastic member arranged between the first protruding portion and the second protruding portion and absorbing a shock generated when the first protruding portion directly makes contact with the second protruding portion when the damper portion absorbs the torque fluctuations caused by the torsion generated between the second rotary member and the third rotary member.

Abstract: A torque fluctuation absorber includes a first damper portion absorbing torque fluctuations caused by a torsion between a first rotary member and a second rotary member, a second damper portion absorbing torque fluctuations caused by a torsion between the second rotary member and a third rotary member, and a stopper portion. The first rotary member includes a first projecting portion projecting radially inwardly and being contactable with the stopper portion by the torsion between the first rotary member and the second rotary member. The third rotary member includes a second projecting portion projecting radially outwardly and being contactable with the stopper portion by the torsion between the third rotary member and the second rotary member. The second projecting portion makes contact with the stopper portion at a radially inner side relative to a portion where the first projecting portion makes contact with the stopper portion.

Abstract: A torsional vibration damper which has a hub and a flange disposed radially outside the hub. For axial fastening of the flange on the hub, a fixing element and a holding element attached to the hub are provided, which limit movements of the fixing element caused by radially oriented centrifugal force.

Abstract: A spacer assembly for a series damper, including: at least one fastening element with protrusions arranged to be fixedly secured to first and second cover plates for the damper; and at least one spacer element fixedly secured to the at least one fastening element and arranged to be axially disposed between the second cover plate and a flange for the damper. The at least one fastening element is arranged to be partially rotatable with respect to the flange. A damper assembly, including: a first damper with first and second cover plates and a flange; and a modularity spacer assembly including at least one fastening element fixedly secured to the first and second cover plates and partially rotatable with respect to the flange and at least one annular spacer element fixedly secured to the at least one fastening element and axially disposed between the second cover plate and the flange.

Abstract: A torque fluctuation absorbing apparatus that includes a first assembly that absorbs a fluctuating torque generated between a first rotating shaft and a second rotating shaft that are arranged coaxially, a first end of the first assembly being connected to the first rotating shaft from the second rotating shaft side by a first connecting member, a second assembly that absorbs a fluctuating torque generated between the first rotating shaft and the second rotating shaft, the second assembly being disposed more toward the second rotating shaft side than the first connecting member and a second end thereof being connected to the second rotating shaft, and a second connecting member that connects a second end of the first assembly to a first end of the second assembly.

Abstract: A torsional vibration damper arrangement such that an excessive radially outward flexing of spring units is effectively prevented while torsional vibrations occurring at low torques are nevertheless sensitively damped and the corresponding spring unit is protected against overloading at the same time.

Abstract: A torsion damper including: a plurality of springs; a first plate with a central axis; and a second plate with a central axis. The plurality of springs displaces the first and second plates so that the central axis for the first plate is radially offset from the central axis for the second plate. In one embodiment, the radial offset between the central axis for the first plate and the central axis for the second plate is fixed. In another embodiment, the first plate comprises a central bore and the second plate comprises an extruded cylinder; and the fixed alignment is maintained by contact between the central bore and the extruded cylinder.

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 damper device including an input element to which power from a motor is transmitted; a first elastic body to which the power is transmitted from the input element; a first intermediate element to which the power is transmitted from the first elastic body; a second elastic body to which the power is transmitted from the first intermediate element; a second intermediate element to which the power is transmitted from the second elastic body, a third elastic body to which the power is transmitted from the second intermediate element; and an output element to which the power is transmitted from the third elastic body. The second elastic body is lighter than the first elastic body.

Abstract: In a damper apparatus, power is transferred, in order, from a motor, to an input, to a first elastic body, to a first element, to a second elastic body, to a second element, to a third elastic body, and to an output. The first and second elastic bodies are disposed radially outward of the third elastic body, and adjacent to each other on a single circumference. The first element has an annular outer peripheral portion that surrounds the first and second elastic bodies, and a pair of contact portions that are formed on peripheral edges on respective sides of the outer peripheral portion to protrude from the peripheral edges radially inward and to face each other, and that are between and in contact with the first elastic body and the second elastic body.

Abstract: A dynamic damper device includes a variable inertial mass device that variably controls inertial mass of a damper mass, an elastic body that connects a rotary shaft rotated by power transmitted thereto and an input member of the variable inertial mass device, and a variable damping force device that variably controls a damping force to the elastic body. Accordingly, the dynamic damper devices have the advantageous effect that vibrations can be appropriately reduced.

Abstract: A damper device including an input element to which power from a motor is transmitted; a first elastic body to which power is transmitted from the input element; a first intermediate element to which power is transmitted from the first elastic body; a second elastic body to which power is transmitted from the first intermediate element; a second intermediate element to which power is transmitted from the second elastic body; a third elastic body to which power is transmitted from the second intermediate element; and an output element to which power is transmitted from the third elastic body. A stiffness of the first elastic body is higher than a stiffness of the second elastic body.

Abstract: A damper device including an input element to which power from a motor is transmitted; a first elastic body to which power is transmitted from the input element; a first intermediate element to which power is transmitted from the first elastic body; a second elastic body to which power is transmitted from the first intermediate element; a second intermediate element to which power is transmitted from the second elastic body; a third elastic body to which power is transmitted from the second intermediate element; and an output element to which power is transmitted from the third elastic body. The first and second elastic bodies are coil springs, and the third elastic body is an arc spring that is arranged radially inward of the first and second elastic bodies.

Abstract: A damper device including an input element to which power from a motor is transmitted; a first elastic body to which power is transmitted from the input element; a first intermediate element to which power is transmitted from the first elastic body; a second elastic body to which power is transmitted from the first intermediate element; a second intermediate element to which power is transmitted from the second elastic body; a third elastic body to which power is transmitted from the second intermediate element; and an output element to which power is transmitted from the third elastic body. A stiffness of the third elastic body is higher than a stiffness of the second elastic body.

Abstract: A torsional vibration damper includes a drive-side primary element having at least one primary dog, an output-side secondary element having at least one secondary dog, and at least one spring device between the primary and secondary dogs for spring-elastic coupling of the primary element to the secondary element and including a plurality of spring elements. A separator sheet includes a ring element. At least one sliding block extends from the ring element between adjacent spring elements and is arranged circumferentially about the spring elements. The primary element has also an inner part having an external toothing, an outer part on which the primary dog is arranged and having an internal toothing engaging into the external toothing, and at least one damping part arranged between the external and internal toothing for vibration damping between the inner and outer parts.

Abstract: A damper assembly for a torque converter including first and second elastic elements, an input element drivingly engaged with the first elastic element, an intermediate element drivingly engaged with the first elastic element and the second elastic element, and an output element for connecting to an input shaft for a transmission and drivingly engaged with the second elastic element. The assembly also includes a spring element including a circumferentially wound portion and first and second radially extending portions. The first radially extending portion is drivingly engaged with the intermediate element and the second radially extending portion is drivingly engaged with a turbine for the torque converter.

Abstract: A torque fluctuation absorber includes a first damper portion absorbing torque fluctuations caused by a torsion between a first rotary member and a second rotary member, a second damper portion absorbing torque fluctuations caused by a torsion between the second rotary member and a third rotary member, and a stopper portion. The first rotary member includes a first projecting portion projecting radially inwardly and being contactable with the stopper portion by the torsion between the first rotary member and the second rotary member. The third rotary member includes a second projecting portion projecting radially outwardly and being contactable with the stopper portion by the torsion between the third rotary member and the second rotary member. The second projecting portion makes contact with the stopper portion at a radially inner side relative to a portion where the first projecting portion makes contact with the stopper portion.

Abstract: A torque fluctuation absorber includes a seating member having a pivoting portion at an inner portion in a radial direction and a supporting portion, which rotationally supports the pivoting portion, at an end surface in a circumferential direction of a first and a second opening portion. When no relative rotational torsion existing between a first and a second rotational member, the pivoting portion is in contact with the supporting portion and a clearance is defined between a portion on each seating member positioned outwardly in a radial direction relative to the pivoting portion and a portion of the first and the second opening portion positioned outwardly in a radial direction relative to the supporting portion. At a first torsion angle, the portion on each seating member contacts the portion of first or second opening portion in a state where the pivoting portion is in contact with the supporting portion.

Abstract: An Elastic Coupling (1) has a pair of bodies (2,3) that can rotate about a common axis and are mutually associated by a plurality of springs (7). Each spring has an end associated with the other body; the ends of the springs are associated with the bodies by floating engagement means (8). The floating engagement means arc provided by mating spherical surfaces between the spring and the seats (6) and allows to recover the misalignment cased by the variation of the distance between the seats, limiting the stresses and allowing the spring to work exclusively in an axial direction, without warping, contrary to conventional spring couplings, wherein the springs are inserted in simple cylindrical seats and must necessarily warp.

Abstract: A damper for a torque converter includes an input flange with a first spring guiding portion and arranged for connection to a cover for the torque converter, an output flange with a second spring guiding portion and arranged for connection to an input shaft for a transmission, and an intermediate flange. The intermediate flange includes at least two plates. The first and second spring guiding portions are disposed axially between the plates. In some example embodiments, the first and second spring guiding portions are radially aligned and circumferentially offset.

Abstract: A vehicle assembly includes an engine having a damper assembly secured to the engine. The damper assembly includes a ring gear. A hybrid transmission having an input shaft is mounted on the mounting shaft of the damper assembly. The damper assembly includes an engine face plate and a transmission face plate secured to the engine face plate. The ring gear is secured to at least one of the transmission face plate and the engine face plate.

Abstract: A damper for a torque converter, including: a cover plate for a damper; a turbine hub with a surface; and a pilot element rotationally connected to the cover plate and having a surface slidingly engaged with the surface for the turbine hub. The respective surfaces for the turbine hub and the pilot element are at least partially radially aligned and the pilot element is arranged to center the damper with respect to a longitudinal axis for the torque converter. In some aspects, the pilot element includes at least one axial protrusion engaged with the cover plate. In some aspects, the pilot element is formed of stamped metal. In some aspects, the pilot element is axially stabilized with respect to the turbine hub and the cover plate. In some aspects, the pilot element includes at least one radial protrusion slidingly engaged with a radial surface for the turbine hub.

Abstract: A vibration damper, for example, a multistage torsion vibration damper, including at least two damper assemblies, connected in series and arranged coaxially, a first damper assembly forming a primary damping stage and a second damper assembly forming a pre-damping stage. The damper assembly that forms the primary damping stage is configured as a series damper including at least two dampers connected in series and is located on a larger diameter in the radial direction than the second damper assembly that forms the pre-damping stage. A multistage vibration damper, including at least two damper assemblies located in series, a first damper assembly forming a preliminary damper and a second damper assembly stage is configured as a series damper including at least two dampers connected in series and is located on a larger diameter in the radial direction than the second damper assembly that forms the preliminary damping stage.

Abstract: A vibration damper, for example, a multistage torsion vibration damper, including at least two coaxially disposed damper assemblies, each of them including at least one input component and one output component and being disposed on different diameters, a first damper assembly being disposed on the outside in a radial direction and configured as a series damper, including at least two dampers connected in series and coupled via an intermediate flange, and a second damper assembly being disposed on the inside in the radial direction. The intermediate flange includes at least two annular disk-shaped elements disposed at a distance in the axial direction and extending on both sides of the output component of the first damper arrangement at least into the portion of the outer circumference of the output component of the first damper assembly, each including openings extending in the circumferential direction.

Abstract: A torsional vibration damper arrangement including a torsional vibration damper with a primary side and a secondary side rotatable with respect to the primary side around an axis of rotation against the action of a damper spring arrangement. One side of the primary side and secondary side includes two cover disk elements and a central disk element arranged between the cover disk elements. The cover disk elements are connected to one another by first connection elements radially inside the damper spring arrangement so as to be fixed axially and so as to transmit torque. The cover disk elements are connected to one another by second connection elements in such a way that they are prevented from moving axially away from one another. No torque can be transmitted between the cover disk elements by the second connection elements.

Abstract: An intermediary flange for coupling spring units of damper assemblies connected in series, the intermediary flange comprising: radially extending bars with contact and support surfaces oriented in circumferential direction opposite to one another for supporting end portions of the spring units of the different damper assemblies. The bars are formed by particular bar elements which are aligned and fix in a circumferential direction with respect to their relative positions through attachment at annular disc shaped lateral components axially disposed on both sides.

Abstract: A damper mechanism (4) includes a first flywheel (2), an intermediate rotating body (44) arranged to be rotatable with respect to the first flywheel (2), a second flywheel (3) arranged to be rotatable with respect to the intermediate rotating body (44), a first damper (8) having a plurality of first coil springs (41) elastically coupling the first flywheel (2) and the intermediate rotating body (44) in a rotation direction, and a second damper (9) elastically coupling the intermediate rotating body (44) and the second flywheel (3) in the rotation direction and that begins operating at a torque that is lower than the minimum operating torque of the first damper (8). The first coil springs (41) are accommodated between the first flywheel (2) and the second flywheel (3) in a state of having been compressed in the rotation direction.

Abstract: A power transmitting part for transmitting power has an annular main body section and a transmitting section. The transmitting section has a first protruding section extending outward in a radial direction from the main body section and a second protruding section extending toward a first side in an axial direction from a circumferential-direction-facing edge portion of the first protruding section.