Abstract: A torque transmission device, in particular in the drive train of a motor vehicle, with a hydrodynamic torque converter (6), including a converter cover (14), which can be connected torque proof or is connected torque proof with a drive unit (3). The converter cover can be coupled with a turbine shell (21) through a pump shell (20), which can be bridged by a converter lockup clutch (30) that includes a piston (28) axially movable relative to the converter cover (14) within limits. The piston (28) is connected torque proof with a drive plate (50) in a first connection portion (51). The drive plate is connected torque proof with the converter cover (14) in a second connection portion (52), wherein an additional connection portion (53; 56) is provided, in which the drive plate (50) is connected torque proof with the converter cover (14).

Abstract: The invention is a torque transmission device, in particular in the power train of a motor vehicle, having a hydrodynamic torque converter that includes a converter cover connected with a drive unit. The torque transmission device is connectable via an impeller with a turbine wheel. The connection with the turbine wheel can be bypassed by means of a torque converter clutch. The clutch comprises a piston, which relative to the converter cover, is displaceable axially restrictedly. The invention is characterized in that pins are fixed on the piston; the pins extend in the axial direction and serve for splined connection of the piston with the converter cover.

Abstract: A torque transmission device (10), comprising a pump shell (12), a turbine shell (14) that is drivable by the pump shell, and a torsion vibration damper (11). The torsion vibration damper includes a damper input component (18) and a damper output component (20), wherein a vibration absorber (24) is configured on the damper output component.

Abstract: An impeller, for example, a guide wheel for a hydrodynamic speed variator/torque converter, including a plurality of blades. Each blade has a blade base and a blade tip area. Stiffening means are situated in at least one of the blades in at least the blade base area and/or the blade tip area.

Abstract: A torque transmission device, comprising a hydrodynamic component, a shiftable clutch device and a vibration damper. A turbine shell of the hydrodynamic component is connected with a damper input component of the vibration damper and/or with a turbine shell hub, which is at least indirectly supported in axial direction at a damper hub through a torque-proof connection. At least one axial support surface is provided at a face of a damper component, adjacent to the torque-proof connection in an axial direction, or of the damper hub. The face is oriented away in axial direction from the torque-proof connection. The invention is characterized in that a support element is arranged at the damper component or at the damper hub. The support element includes a support surface forming an axial protrusion, extending through adjacently arranged damper components or portions of a support.

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 wet clutch (1) with at least one friction disk (8) that can be clamped by an axially displaceable piston (5) against an end disk (7). In order to provide a cost-effective and more silent design, the end disk is permanently attached at the housing. Several variants are proposed for the attachment of the end disk.

Abstract: A device for damping vibrations comprising at least two coaxially arranged damper parts rotatable relative to each other to a limited extent in the circumferential direction, coupled by torque transmitting means and damping coupling means, which exhibit at least one energy accumulator unit, and forming the impingement areas for the energy accumulator units. At least one damper part forms a guide channel for the energy accumulator units. The individual impingement area on the damper part forming the guide channel for the energy accumulator units is formed by a stop element, connected in a torsion proof manner at least indirectly to the damper part and forms the abutment faces in the guide channel in the circumferential direction. The abutment face is capable of supporting the energy accumulator unit on both sides of the impingement area on the energy accumulator unit and is a part of the other damper part.

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 vibration damper comprising at least two damper assemblies connectable in series, coupled with one another through a floating intermediary flange, and torque transmission devices and/or damping coupling devices and rotation angle limiting devices between the floating intermediary flange and a damper component of one of the damper assemblies, wherein the damper component is disposed in a force flow in front and/or behind the floating intermediary flange.

Abstract: A drive train, including a hydrodynamic torque converter with a housing arranged to be rotationally driven by a drive unit for a motor vehicle and an output part. The drive train includes an input shaft for a transmission. The output part is non-rotatably connected to the input shaft. An internal circumference of the transmission input shaft is supported by the housing.

Abstract: A piston assembly for arrangement in a pressure cavity in a force transfer device for operating a first and a second actuatable clutch device, comprising a piston element associated respectively with an actuatable clutch device. The invention is characterized in that the piston element of the second clutch device is guided at the piston element of the first clutch device movable against a stop, forming an additional second cavity, loadable with pressure medium, wherein the first piston element is movable in an axial direction, relative to the piston element of the second clutch device.

Abstract: A torque transmission device comprising a torque converter disposed in a drive train of a motor vehicle, in particular a hydrodynamic torque converter or a fluid clutch, wherein the converter or the fluid clutch comprises a turbine shell and a pump shell which can be coupled through a pump clutch and at least one pump damper with a converter cover, and comprising at least one converter damper and at least one converter lock up clutch.

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: An impeller hub assembly including a first portion connected to a rotor for an electric motor, a second portion connected to an impeller shell of a torque converter, and a rotary shaft seal for hydraulically sealing at least one of the first and second portions of the impeller hub assembly to a housing for the torque converter. The assembly may further include a dynamic seal, a hydraulic chamber at least partially enclosed by the rotary shaft seal and the dynamic seal, and a hydraulic channel in fluid communication with the chamber. In some example embodiments of the invention, the hydraulic channel is for lowering pressure in the chamber by providing a discharge path for fluid in the chamber.

Abstract: The invention relates to a hydrodynamic component, comprising at least two bladed shells forming a torus shaped operating cavity in combination, each comprising a blade array supported by a dish, wherein at least one of the bladed shells comprises no support of the blades through the dish in the radially inner end portion of the particular blades. The invention is characterized in that flow control means are provided in the radially inner end portion of the torus shaped operating cavity in the portion where the dish is missing. The invention furthermore relates to a force transmission device with a hydrodynamic component.

Abstract: A torque transmission device, in particular in the drive train of a motor vehicle, with a hydrodynamic torque converter (6), including a converter cover (14), which can be connected torque proof or is connected torque proof with a drive unit (3). The converter cover can be coupled with a turbine shell (21) through a pump shell (20), which can be bridged by a converter lockup clutch (30) that includes a piston (28) axially movable relative to the converter cover (14) within limits. The piston (28) is connected torque proof with a drive plate (50) in a first connection portion (51). The drive plate is connected torque proof with the converter cover (14) in a second connection portion (52), wherein an additional connection portion (53; 56) is provided, in which the drive plate (50) is connected torque proof with the converter cover (14).

Abstract: An impeller, for example, a guide wheel for a hydrodynamic speed variator/torque converter, including a plurality of blades. Each blade has a blade base and a blade tip area. Stiffening means are situated in at least one of the blades in at least the blade base area and/or the blade tip area.

Abstract: The invention relates to a torque transmission device, in particular in the power train of a motor vehicle, having a hydrodynamic torque converter that comprises a converter cover connectable or rather connected with a drive unit that is connectable via an impeller with a turbine wheel, which can be bypassed by means of a torque converter clutch, which comprises a piston, which relative to the converter cover is displaceable axially restrictedly. The invention is characterized in that pins are fixed on the piston; said pins extend in the axial direction and serve for splined connection of piston with the converter cover.

Abstract: A torque transfer device in the drive train of a motor vehicle for transferring torque between a drive unit and a shaft rotatable about a rotation axis, including: a hydrodynamic torque converter, which includes a converter cover, connectable to the drive unit, and which can be coupled through a pump shell to a turbine shell for torque transfer, which can be bridged by a torque converter lockup clutch for torque transfer, which comprises a piston, movable in an axial direction within a range towards the cover in order to clamp a friction liner support with at least one friction liner between the piston and the cover for torque transfer. A friction ring is disposed between the piston and the friction liner support, and the friction ring is movable in an axial direction within a range between the piston and the friction liner support and connected to the converter cover.