A dual mass flywheel coupling member for selectively coupling a primary mass and a secondary mass of a dual mass flywheel, the coupling member comprising: a central aperture for enabling axial alignment with the primary mass and the secondary mass; at least one resiliently deformable member, the resiliently deformable member comprising a fixing point attachable to the primary mass to rigidly couple one end of the resiliently deformable member to the primary mass; and at least one engagement feature coupled to the coupling member at a point remote from the fixing point, wherein the engagement feature is configured to engage the secondary mass upon deformation of the resiliently deformable member in an installed configuration.

A vibration damper is provided with two rotating members, i.e. an oscillating inertial flywheel and a member to be damped driven by a torque following a torque path between a driving member and a driven member, wherein the inertial flywheel is connected kinematically to the torque path between the driving member and the driven member solely by way of the member to be damped. Connecting modules between the two rotating members permit a relative angular displacement θ between the two rotating members on the two sides of a reference relative angular position. Each connecting module is provided with a roller associated with a first of the two rotating members and a cam track connected resiliently by a resilient element to a second of the two rotating members.

A damping device for damping vibrations of a motor vehicle transmission drivetrain. The damping device features a first element and a second element (2) rotationally movable around a rotation axis X, an elastic damping member having an elastic blade (13, 14) mounted rotationally integrally with the first element (3) and a rolling body movable with respect to the second element along a curvilinear trajectory over at least a predetermined angular sector (A). Movement of the rolling body along the curvilinear trajectory with respect to the second element is accompanied by a movement of the rolling body on the elastic blade, causing the elastic blade to flex.

A rotating machine system include a rotating machine. The rotating machine system can include a housing. The housing can include an inner surface. The housing can surround at least a portion of the rotating machine. The inner surface of the housing can be spaced from the rotating machine such that a space is defined therebetween. The rotating machine system can include a plurality of vibration isolators. The vibration isolators can be positioned in the space and can be operatively connected to the rotating machine and to the inner surface of the housing. The vibration isolators can be compression-type vibration isolators.

A damper for an automobile clutch, comprises input and output elements rotationally movable with respect to one another around a rotation axis (X), and a damping device interposed between the input and output elements. One of the input and output elements is equipped with a cam follower (21). The damping device has a flexible blade (17a; 17b). The flexible blade is provided with a cam surface (20) arranged to interact with the cam follower. The cam surface extends over an opening angle (A) greater than 30.

A torque transmitting device comprising a torque input element (17a, 17b) and a torque output element (8) able to pivot about an axis (X) with respect to one another, at least one elastic leaf (22), rotationally coupled to the torque output element (8) or to the torque input element (17a, 17b) respectively, the elastic leaf (22) being able to be elastically and radially held torest on a supporting member (18) carried by the torque input element (17a, 17b) or the torque output element (8) respectively, the elastic leaf (22) being able to bend upon rotation of the torque input element (17a, 17b) with respect to the torque input element (8).

A vibration damper is provided with two rotating members, i.e. an oscillating inertial flywheel and a member to be damped driven by a torque following a torque path between a driving member and a driven member, wherein the inertial flywheel is connected kinematically to the torque path between the driving member and the driven member solely by way of the member to be damped. Connecting modules between the two rotating members permit a relative angular displacement between the two rotating members on the two sides of a reference relative angular position. Each connecting module is provided with a roller associated with a first of the two rotating members and a cam track connected resiliently by a resilient element to a second of the two rotating members.

A hydrokinetic torque coupling device for a motor vehicle, comprises a torque input element (11) intended to be coupled to a crankshaft (1), an impeller wheel (3) non-moveably coupled to the torque input element (11) and configured to hydrokinetically drive a turbine wheel (4), a torque output element (8) intended to be coupled to a transmission input shaft (2), a clutch (10) configured to rotationally couple the torque input element (11) and the torque output element (8) in an engaged position through a damping device (18, 22) and to rotationally uncouple the torque input element (11) and the torque output element (8) in a disengaged position. The damping device (18, 22) is configured to act against the rotation of the torque input element (11) relative to the torque output element (8), in the engaged position of the clutch (10).

A torsional vibration damper includes a torque input member including a radially oriented first side plate and at least one supporting member mounted thereto, and a unitary radially resilient output member elastically coupled to the torque input member. The resilient output member includes at least one elastic blade configured to elastically and radially engage the at least one supporting member. The elastic blade has a raceway is configured to bear the at least one supporting member. The at least one elastic blade and a blade insert non-moveably secured to the main body. The blade insert radially engages the at least one supporting member. The raceway is defined by a radially outer surface of the blade insert.

A torsional vibration damping arrangement for a drivetrain of a vehicle, having a carrier arrangement which is rotatable around an axis of rotation, a deflection mass movable in circumferential direction relative to the carrier arrangement, carrier arrangement and the deflection mass are coupled to be rotatable relative to one another via restoring elements arranged in circumferential direction that extend from the deflection mass in direction of the carrier arrangement. A restoring element is deformable around a force application point which is movable in radial direction under centrifugal force and which is associated with the restoring element. The movable force application point is acted upon by a preloading force acting radially in direction of the axis of rotation by a preloading spring. A main axis of the preloading spring and a main axis of the restoring element do not extend coaxially.