F16H2045/021

Three-pass torque converter with clutch integrated with turbine

A torque converter comprising a front cover, an impeller having an impeller shell connected to the front cover, a turbine having a turbine shell, and a lock-up clutch configured to selectively couple the turbine shell to the impeller shell for torque transmission therebetween is disclosed. In embodiments, the lock-up clutch comprises a flange connected to the turbine shell that extends radially outward therefrom, a piston disposed axially between the front cover and the turbine, and a piston actuation plate connected to the piston. The piston may be connected to the front cover and configured to actuate the piston actuation plate to press the flange against the impeller shell to connect the turbine shell to the impeller shell for torque transmission therebetween.

CONNECTING SECTION FOR A TWO-PART HUB, A TWO-PART HUB AND A HYBRID DRIVE MODULE
20220196127 · 2022-06-23 ·

Connecting section for a two-part hub that support a driven shaft of a hybrid drive module having a first hub section and a second hub section. The connecting section can be arranged coaxially with the first hub section and the second hub section and can be arranged between the first hub section and the second hub section. The connecting section is designed as a sliding bearing.

Hybrid module including torque converter inside of e-motor and having remote compensation 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.

HYDRODYNAMIC TORQUE CONVERTER
20220186817 · 2022-06-16 ·

A hydrodynamic torque converter (1) with a converter torus formed by a pump wheel (3) and a turbine wheel (4) and a guide wheel (5). The guide wheel (5) is supported rotatably by a first axial bearing (51) and a second axial bearing (52). A sealing device (11), with a sealing gap, is provided in the area of the first axial bearing (51), which impedes a through-flow of the working fluid of the torque converter (1) through the first axial bearing (51).

HYDRODYNAMIC TORQUE CONVERTER WITH A LOCK-UP CLUTCH
20220170540 · 2022-06-02 ·

A hydrodynamic torque converter (1) with a lock-up clutch (6) in the form of a disk clutch in a clutch space (9) and with a piston (7) for actuating the lock-up clutch (6). The lock-up clutch (6) has an end disk (63) and a first disk carrier (61), on which the end disk (63) is radially and axially supported. The end disk (63) is arranged on the side of the lock-up clutch (6) remote from the piston (7). The lock-up clutch (6) has a second disk carrier (62). A sealing element (64) is provided, on the second disk carrier (62), a sealing gap (12) is formed between the end disk (63) and the sealing element (64).

THREE-PASS TORQUE CONVERTER INCLUDING CLUTCH INTEGRATED WITH TURBINE

A torque converter comprises a front cover, an impeller including an impeller shell fixed to the front cover, and a turbine including a turbine shell axially movable to frictionally engage the impeller shell such that the turbine shell forms a turbine piston of a lock-up clutch. A damper assembly disposed between the front cover and the turbine shell comprises: springs; a flange connected to the turbine shell and drivingly engaged with the springs; and a spring retainer supporting the springs and connected to a turbine hub. A piston plate may be disposed between the spring retainer and front cover and configured to be axially displaceable to force the turbine piston against the impeller shell for engagement of the lock-up clutch. A seal plate may be fixed to the front cover and disposed between the front cover and the piston plate with the piston plate sealed to the seal plate.

Lock-up device
11346431 · 2022-05-31 · ·

A lock-up device includes a clutch part and a damper part. The clutch part is disposed between a front cover and a turbine. The clutch part transmits or blocks torque. The damper part transmits torque from the clutch part to the turbine, and absorbs torsional vibration. The damper part includes an input member, an output member, a plurality of elastic members, and a support member. The input member is connected to the clutch part. The output member is rotatable relative to the input member and is connected to the turbine. The elastic members are accommodated in the input member, and elastically connect the input member and the output member in a rotational direction. The support member has a connecting part and a plurality of support parts. The connecting part is connected to the input member. The plurality of support parts support inner peripheral surfaces of the plurality of elastic members.

Torque transmission apparatus having dry-operated separating clutch

A torque transmission apparatus for transmitting a torque between a first drive element and an output element, including a torque converter, having a torque converter input, which is rotatable about a rotation axis (A) and is coupled to the first drive element, and a torque converter output, which can be connected to the output element. A separating clutch arranged outside of the torque converter and effectively between the first drive element and the torque converter, having a clutch input and a clutch output, which can be connected thereto by the action of a clutch actuating apparatus. The clutch actuating apparatus having a pressure means chamber and a pressure means channel (K4) supplying said pressure means chamber with pressure means, and the separating clutch being dry-operated and the pressure means channel (K4) extending through the torque converter at least in portions.

HYBRID DRIVE SYSTEM

A hybrid drive system for a motor vehicle includes an input shaft, which introduces torques from an internal combustion engine into the hybrid drive system and which is mounted rotatably around an axis of rotation. An output shaft is arranged coaxially to the input shaft. The system also includes an electric machine having a stator and a rotor, and a hub non-rotatably connected to the rotor. The system further includes a wet clutch which has a first actuating piston. The hub is formed as a one-piece forged part and has a first running surface for the first actuating piston. The wet clutch is provided to non-rotatably connect the hub to the output shaft.

Powertrain system for an electric or a hybrid vehicle

A vehicle includes an engine, an electric machine, a torque converter, a weldment, an engine disconnect clutch, and a torque converter lockup clutch. The engine has a crankshaft. The electric machine has a rotor. The torque converter has an impeller and a turbine. The weldment is configured to rotate about an axis and to transfer power from the crankshaft and the rotor to the impeller. The weldment has a first hub, a second hub, a torque converter cover, an impeller housing, and a third hub. The engine disconnect clutch is configured to rotatably connect and disconnect the crankshaft to and from the weldment. The torque converter lockup clutch is configured to rotatably connect and disconnect the turbine to and from the weldment.