Abstract: An actuating device for a coupling/braking device is provided with at least one actuating piston that is axially slidable relative to a shaft and, in an actuating state, exerts an axially acting contact pressure on coupling/braking parts of the coupling/braking device. At least one control piston is provided that axially displaces the at least one actuating piston into the actuating position. A coating is provided in a contact region between the actuating piston and the control piston, wherein the coating is disposed at the actuating piston or at the control piston or at both the actuating piston and the control piston. The actuating piston can also be designed as a control piston that interacts immediately with the coupling/braking parts of the coupling/braking device.

Abstract: A friction assembly includes a dry-running disc pack with at least one lining disc and at least one counter disc, which are arranged one behind the other in an alternating manner in an axial direction of the disc pack, and which can be brought into frictional contact with one another, wherein the lining disc has at least one mass-pressed dry-running friction lining.

Abstract: The invention relates to a rechargeable battery (1) comprising at least one storage module (3) for electrical energy and at least one cooling device (2) for cooling or controlling the temperature of the at least one storage module (3), wherein the cooling device (2) has at least one coolant channel (6), at least one coolant inlet (8) and at least one coolant outlet (9) and wherein the cooling device (2) has a single-layer or multi-layer film (4) and lying with this film (4) against the at least one storage module (3).

Abstract: A disc pack coupling for torque transmission between shafts has coupling discs. A locking unit is provided that maintains a contact pressure acting on the coupling discs when the disc pack coupling is closed. The locking unit has a locking part, a guide part, an actuating element, and a pressure element. The guide part is non-rotatably and non-displaceably arranged in relation to a first shaft. The locking part has a locking part axis and is rotatable about and displaceable axially relative to the locking part axis. Locking part and guide part are provided with interacting control surfaces positioned at a slant to a rotational direction of the locking part. The control surfaces are provided to move the locking part into a first and a second stop position. In the first stop position, the locking part maintains the contact pressure on the coupling discs.

Abstract: An actuating device for a coupling/braking device is provided with at least one actuating piston that is axially slidable relative to a shaft and, in an actuating state, exerts an axially acting contact pressure on coupling/braking parts of the coupling/braking device. At least one control piston is provided that axially displaces the at least one actuating piston into the actuating position. A coating is provided in a contact region between the actuating piston and the control piston, wherein the coating is disposed at the actuating piston or at the control piston or at both the actuating piston and the control piston. The actuating piston can also be designed as a control piston that interacts immediately with the coupling/braking parts of the coupling/braking device.

Abstract: A disc pack coupling for torque transmission between shafts has coupling discs. A locking unit is provided that maintains a contact pressure acting on the coupling discs when the disc pack coupling is closed. The locking unit has a locking part, a guide part, an actuating element, and a pressure element. The guide part is non-rotatably and non-displaceably arranged in relation to a first shaft. The locking part has a locking part axis and is rotatable about and displaceable axially relative to the locking part axis. Locking part and guide part are provided with interacting control surfaces positioned at a slant to a rotational direction of the locking part. The control surfaces are provided to move the locking part into a first and a second stop position. In the first stop position, the locking part maintains the contact pressure on the coupling discs.

Abstract: The invention relates to a rechargeable battery (1) comprising at least one storage module (3) for electrical energy and at least one cooling device (2) for cooling or controlling the temperature of the at least one storage module (3), wherein the cooling device (2) has at least one coolant channel (6), at least one coolant inlet (8) and at least one coolant outlet (9) and wherein the cooling device (2) has a single-layer or multi-layer film (4) and lying with this film (4) against the at least one storage module (3).

Abstract: The invention relates to a friction plate (10) having a ring-shaped plate body (4, 9), which is closed in the circumferential direction (13), and has multiple recesses, and is delimited by a radially inner face surface (11) and a radially outer face surface (24). The recesses (14) are configured in slot shape, at least in part, and have multiple partial regions (20 to 23), wherein at least two partial regions (20 to 23) run in different directions relative to one another, and wherein furthermore, the slot-shaped recesses (14) are configured at a distance from the radially inner face surface (11) and the radially outer face surface (24).

Abstract: The invention relates to an friction assembly (1) comprising a plurality of inner discs (2) and a plurality of outer discs (3), the inner discs (2) and the outer discs (3) being arranged alternately in an axial direction (4), and wherein between the inner discs (2) and the outer discs (3) respectively at least one freely rotational friction ring (11) is arranged, and wherein the inner discs (2) and/or the outer discs (3) can be adjusted relative to one another in axial direction (4) to form a frictional connection with the friction rings (11). The friction rings (11) are made from at least one resin, containing at least one additive, or a sintered material, wherein the friction rings (11) on a surface (19) facing an inner disc (2) and on a surface (18) facing an outer disc (3) comprise respectively at least one compacted area (20) and at least one non-compacted area (21) and/or at least one area (21) that is less compacted than the compacted area (20).

Abstract: The invention relates to a friction assembly (1) comprising a first component (5) and a second component (8) and a plurality of inner discs (2) and a plurality of outer discs (3), wherein the inner discs (2) are arranged on the first component (5) and the outer disc (3) are arranged on the second component (8) and the inner discs (2) and the outer discs (3) are arranged alternately in axial direction (4), and wherein between the inner discs (2) and the outer discs (3) respectively at least one freely rotational friction ring (11) is arranged which has an opening (29) with an inner diameter (14), and wherein the inner disc (2) and/or the outer disc (3) can be adjusted relative to one another to form a friction connection with the friction rings (11) in axial direction (4). The freely rotating friction rings (11) are guided in the region of the inner diameter (14) on the first component (5).

Abstract: The invention relates to a friction assembly (1) comprising a first component (5) and a second component (8) and a plurality of inner discs (2) and a plurality of outer discs (3), wherein the inner discs (2) are arranged on the first component (5) and the outer disc (3) are arranged on the second component (8) and the inner discs (2) and the outer discs (3) are arranged alternately in axial direction (4), and wherein between the inner discs (2) and the outer discs (3) respectively at least one freely rotational friction ring (11) is arranged which has an opening (29) with an inner diameter (14), and wherein the inner disc (2) and/or the outer disc (3) can be adjusted relative to one another to form a friction connection with the friction rings (11) in axial direction (4). The freely rotating friction rings (11) are guided in the region of the inner diameter (14) on the first component (5).

Abstract: The invention relates to an friction assembly (1) comprising a plurality of inner discs (2) and a plurality of outer discs (3), the inner discs (2) and the outer discs (3) being arranged alternately in an axial direction (4), and wherein between the inner discs (2) and the outer discs (3) respectively at least one freely rotational friction ring (11) is arranged, and wherein the inner discs (2) and/or the outer discs (3) can be adjusted relative to one another in axial direction (4) to form a frictional connection with the friction rings (11). The friction rings (11) are made from at least one resin, containing at least one additive, or a sintered material, wherein the friction rings (11) on a surface (19) facing an inner disc (2) and on a surface (18) facing an outer disc (3) comprise respectively at least one compacted area (20) and at least one non-compacted area (21) and/or at least one area (21) that is less compacted than the compacted area (20).

Abstract: A disc carrier of a friction clutch is described and illustrated, and in some embodiments has a subassembly of a modular structure which is composed of interconnectable component parts. The component parts can include a holding ring, at least one web, and a base plate.

Abstract: The invention relates to a friction material (1) for a friction element having a conical contact surface for the friction material (1), with a base body having the form of a strip (2) having a length (3) and a width (4), and the strip (2) has several thin areas which only extend over a part of the width (4) of the strip (2).

Abstract: A motorcycle clutch for a drive connection between an engine and a transmission of a motorcycle is provided, and is some embodiments includes a manually operable clutch lever, engaging inner and outer disks, and a disengaging mechanism operable by means of the clutch lever for a pressure body which is spring-loaded by at least one clutch spring assembly for pressurization of the inner and outer disks, wherein a servo mechanism for reducing the operating force of the clutch lever is provided, the servo mechanism being effectively connected to the intake section of the engine and utilizing the negative intake pressure in the intake section to build up a servo force acting against the direction of the spring load of the clutch spring assembly.

Abstract: A vehicle clutch, particularly motorcycle clutch, is provided comprising a friction system; an engaging member acting on the friction system; and a spring adapted to be brought into operative communication with the engaging member via a bearing, wherein the engaging member is subdivided into an inner part and an outer part which is rotatable relative to the inner part by a defined turning angle, the spring has a degressive spring characteristic, and the bearing and the inner part are adapted to be brought into operative communication with one another via a surface arrangement constituting an inclined plane.

Abstract: A wrap spring clutch according to some embodiments has a center shaft; a wrap spring wrapped around the center shaft in a direction of winding, and having two wrap spring ends and an abutting surface for co-operation with a friction surface; and a hollow shaft positioned around the wrap spring; and a cooling device positioned adjacent the friction surface.

Abstract: The present invention according to some embodiments relates to a disc carrier of a friction clutch, characterized by a subassembly of a modular structure which is composed of interconnectable component parts including a holding ring, at least one web, and a base plate, as well as a hub which is connected to the base plate.

Abstract: A motorcycle clutch for a drive connection between an engine and a transmission of a motorcycle is provided, and is some embodiments includes a manually operable clutch lever, engaging inner and outer disks, and disengaging means operable by means of the clutch lever for a pressure body which is spring-loaded by at least one clutch spring assembly for pressurization of the inner and outer disks, wherein a servo mechanism for reducing the operating force of the clutch lever is provided, the servo mechanism being effectively connected to the intake section of the engine and utilizing the negative intake pressure in the intake section to build up a servo force acting against the direction of the spring load of the clutch spring assembly.

Abstract: A disc carrier of a friction clutch is described and illustrated, and in some embodiments has a subassembly of a modular structure which is composed of interconnectable component parts. The component parts can include a holding ring, at least one web, and a base plate.