A damper of a torque converter for a vehicle may include a front cover, an impeller rotatably coupled to the front cover, a turbine disposed facing the impeller, a reactor disposed between the impeller and the turbine for changing flow of oil transferred from the turbine toward the impeller, a driving disk assembled to a driving hub connected to the front cover, a driven hub to which a driven disk is assembled, a turbine shell connected to a turbine hub transferring torque to a transmission, and a driven plate connected to the turbine shell.

A torque converter includes a front cover arranged to receive a torque and a lock-up clutch engaged with the front cover. The torque converter further includes a damper assembly engageable with the lock-up clutch. The damper assembly includes an inner spring assembly, an outer spring assembly arranged radially outside of the inner spring assembly, and a lower cover plate supporting the inner spring assembly. The lower cover plat includes a chamfer configured to retain the outer spring assembly in a spring window.

A torque converter includes a front cover arranged to receive a torque and a lock-up clutch engaged with the front cover. The torque converter further includes a damper assembly engageable with the lock-up clutch. The damper assembly includes an inner spring assembly, an outer spring assembly arranged radially outside of the inner spring assembly, and a lower cover plate supporting the inner spring assembly. The lower cover plat includes a chamfer configured to retain the outer spring assembly in a spring window.

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.

A torque converter, including: a cover to receive torque; an impeller including an impeller shell non-rotatably connected to the cover and an impeller blade; a turbine including a turbine shell and a turbine blade; a first vibration damper including a drive plate to receive torque from the cover, a first cover plate including first and second portions, a first spring directly engaged with the drive plate and the first portion of the first cover plate, and a second cover plate non-rotatably connected to the first cover plate, surrounding a portion of the first spring in a direction orthogonal to a longitudinal axis for the first spring, and including an opening; and a second vibration damper including a cover plate non-rotatably connected to the turbine shell, and a second spring directly engaged with the cover plate for the second vibration damper and with the second portion of the first cover plate.

A dynamic damper device for absorbing a torsional vibration includes a rotary part, an inertia part, and an elastic part. The rotary part is a part to which the torsional vibration is transmitted, and is rotatable about a rotational center. The inertia part is provided on the rotary part so as to be movable in a radial direction with respect to the rotary part by a centrifugal force and be movable in a circumferential direction with respect to the rotary part by the torsional vibration. The elastic part couples the rotary part and the inertia part.

A torsion damping device for a vehicle transmission line including a first rotating element, a second rotating element, a main damper, a third rotating element and an additional damper. When the angular displacement between the first and second rotating elements is greater than zero and less than said first threshold, the at least one main spring is compressed while the third rotating element is rotated by the first rotating element via the uncompressed additional spring, and when the angular displacement between the first and second rotating elements is greater than said first threshold, the at least one main spring is compressed and the at least one additional spring is compressed in parallel, the compression of the additional spring being accompanied by the relative rotation of the first rotating element and the third rotating element.

A hydrokinetic torque coupling device comprising an impeller wheel (2) able to hydrokinetically drive a turbine wheel (3) into rotation, with the impeller wheel (2) being rotationally coupled to a cover (5), with the turbine wheel (3) being able to be axially moved between an engaged position and a disengaged position, wherein it comprises an elastically deformable stress overtaking member (25) axially inserted between the turbine wheel (3) and a part (12) of the cover (5), with the stress overtaking member (25) being able to limit the axial displacement of the turbine wheel (3) towards the above-mentioned part (12) of the cover (5), opposite the turbine wheel (3).

A torque transmission device for a motor vehicle, having: a torque input element intended to be coupled to a driving shaft; a torque output element intended to be coupled to an input shaft of a gearbox, the torque output element and the torque input element being capable of pivoting with respect to one another around an axis X; and first and second elastic damping stages installed in series between the torque input element and torque output element, in which the first damping stage has an elastic member installed between the torque input element and a guidance device so as to act against the rotation of the guidance device with respect to the torque input element, the second damping stage having at least one elastic member installed between the guidance device and the torque output element so as to act against the rotation of the torque output element with respect to the guidance device, the guidance device having first stop means and second stop means.

A damper device includes a retaining plate, a plurality of first spring members and an output plate. The retaining plate has an annular shape. The plurality of first spring members are held by the retaining plate. The output plate is elastically coupled to the retaining plate through the plurality of first spring members. The retaining plate is circumferentially divided into a plurality of divided retaining plate pieces.