A spring retainer for a damper for use in a torque converter is provided. The spring retainer includes a ring including a radially extending base and a spring retaining portion radially outside of the base. The spring retaining portion includes rounded sections spaced circumferentially from each other and shoulders circumferentially between the rounded sections. Each rounded section is configured for receiving an arc spring. The spring retainer also includes rivets fixed to the shoulders. The rivets protrude axially from the shoulders into an interior of the spring receiving portion and are arranged for contacting ends of the springs. A method of forming a spring retainer is also provided.

A hydrokinetic torque converter includes an impeller, an axially displaceable turbine piston, and impeller and turbine-piston lockup clutch core plates. The impeller lockup clutch core plate is situated between the impeller shell and the turbine-piston shell, is connected to an impeller core ring, and has a first surface. The turbine-piston lockup clutch core plate is situated between the impeller shell and the turbine-piston shell, is connected to a turbine-piston core ring, and is axially displaceable with the turbine-piston to move a second surface of the turbine-piston lockup clutch core plate axially towards and away from the first surface for positioning the torque converter respectively into and out of a lockup mode in which the turbine-piston is mechanically interlocked to the impeller.

Disclosed is a torque converter in a vehicle, in which a torsional damper reduces a natural frequency and absorbs vibration energy in an anti-resonance state for enhancing a vibration isolation function. The torque converter in a vehicle includes a torsional damper including a retaining plate coupled to the piston, a plurality of springs arranged at the retaining plate for imparting elastic force in a circumferential direction, a driven plate coupled to a spline hub which acts as a reaction force on the springs and forwards driving power to a transmission, and an inertial lever arranged between the piston and the driven plate, the inertial lever including a fixed pivot coupling portion coupled to the piston with a fixed pivot and a movable pivot coupling portion coupled to the driven plate with a movable pivot.

A torque converter, including: a cover; an impeller including an impeller blade, and an impeller shell with a first surface extending beyond the impeller blade in a radial direction and at an acute angle with respect to a first line in the radial direction; a turbine including a turbine blade, and a turbine shell with a second surface axially aligned with the first surface and at the acute angle with respect to the first line; a turbine clutch including the first and second surfaces and friction material disposed between the first and second surfaces; a torus at least partially enclosed by the impeller and turbine shells; and a pressure chamber at least partially formed by the turbine shell and the cover. For torque converter mode, the turbine and the impeller are independently rotatably with respect to each other. For lock-up mode, the first and second surfaces are non-rotatably connected.

A torque converter is provided. The torque converter includes a stator including a body and a plurality of blades on an outer circumferential surface of the body and an impeller including an impeller shell. The impeller shell includes at least one protrusion aligned for contacting an axially extending surface of the body of the stator to center the stator on the impeller during assembly. A method of forming a torque converter is also provided. The method includes forming an impeller shell to include at least one protrusion on a stator facing surface thereof; providing a stator including a body and a plurality of blades on an outer circumferential surface of the body; and centering the stator on the impeller shell by contacting the at least one protrusion with an axially extending surface of the body.

A torque converter assembly includes a torsional vibration damper and a clutch operatively coupled to the torsional vibration damper. The clutch includes a friction disc having a tab coupled to a distal portion of the friction disc and extending axially away from the distal portion. The clutch also includes a piston configured to urge the friction disc into engagement with a torque converter cover to transfer torque from the torque converter cover to the torsional vibration damper. The tab includes a first segment directly contacting a spring member or a spring seat of the torsional vibration damper and a second segment, between the first segment and the distal portion of the friction disc, configured to slide against a guide surface of the plate torsional vibration damper to provide radial guidance to the friction disc.

A torque damper apparatus includes an input-side plate having a pair of side plates and rotatably driven in response to drive force from a motor, a center plate coupled to an output shaft and arranged between the pair of side plates, and an elastic transmission body provided between the input-side plate and the center plate to transmit rotary drive force of the input-side plate to the center plate. The input-side plate has, at a plate surface of at least one side plate, multiple weight attachment holes for attaching a balance weight. Each weight attachment hole is formed in a long hole shape extending along a circumferential direction at an outer edge portion of the side plate.

A two-pass torque converter, including: a cover arranged to receive torque; an impeder including an impeller shell connected to the cover and at least one impeller blade fixedly connected to the impeller shell; a turbine including a turbine shell and at least one turbine blade fixedly connected to the turbine shell; a lock-up clutch including a piston plate; and a flow control assembly including a first seal and a spring connected to the first seal and urging the first seal toward one of the cover or the piston plate. The cover, the piston plate, and the flow control assembly define, at least partly, a release pressure chamber. The cover, the impeller shell, the piston plate, and the flow control assembly define, at least partly, an apply pressure chamber.

A hybrid module configured for arrangement in a torque path upstream from a transmission and downstream from an internal combustion engine includes an electric motor including a rotor and a stator for driving the rotor, a torque converter downstream of the electric motor, and a rotor input clutch including a piston and at least one clutch plate. The piston is configured for being pressed in a first axial direction into the at least one clutch plate via a pressure increase of fluid in an apply chamber. The hybrid module also includes a compensation chamber assembly. The compensation chamber assembly and the piston define a compensation chamber radially offset from the apply chamber. The compensation chamber assembly is configured for applying a force on the piston in a second axial direction opposite the first axial direction via a pressure increase of fluid in the compensation chamber.

A torque converter, including: a cover arranged to receive torque; an impeller including an impeller shell connected to the cover and at least one impeller blade fixedly connected to the impeller shell; a turbine including a turbine shell and at least one turbine blade fixedly connected to the turbine shell; lock-up clutch including a piston plate; an output element arranged to non-rotatably connect to a transmission input shaft; and a leaf spring including a ring portion, a tab extending radially inwardly from the ring portion, and a plurality of resilient sections extending from the ring portion and non-rotatably connected to the cover and to the piston plate.