Abstract: A brake device for an electrically operatable axle drivetrain of a motor vehicle includes a hydraulic disengaging system comprising a central disengaging element which actuates a friction device such that the friction device operates in a braking or non-braking state. The central disengaging element has a central disengaging element housing comprising a central disengaging element piston chamber in which a central disengaging element piston is received in an axially movable manner by means of a hydraulic liquid. The central disengaging element has at least one central disengaging element piston seal which seals off the central disengaging element piston from the central disengaging element piston chamber, and the central disengaging element and the friction device are received in a brake housing, the brake housing including a first pot-shaped housing part and a second lid-shaped housing part which at least partly covers the first pot-shaped housing part.

Abstract: The invention relates to an electrically operable final drive powertrain (1) of a motor vehicle, comprising an electric machine (3) which can be coupled to: at least one vehicle wheel (4) of the motor vehicle; and a transmission assembly (5) arranged in the torque flow between the vehicle w heel (4) and the electric machine (3); and a brake device (6) by means of which the vehicle wheel (4) can be braked; wherein: in the torque flow between the electric machine (3) and the brake device (6), a first clutch device (7) is arranged, by means of which the brake device (6) can be coupled into and coupled out of the torque flow, and, in the torque flow between the electric machine (3) and the transmission assembly (5), a second clutch device (8) is arranged, by means of which the transmission assembly (5) can be coupled into and coupled out of the torque flow; or, in the torque flow between the electric machine (3) and the brake device (6), a first clutchdevice (7) is arranged, by means of which the brake device

Abstract: A multi-piston disengagement system for a vehicle brake device includes an annular housing with a plurality of housing portions, each of the housing portions having a respective pressure chamber and a respective hydraulic actuation assembly. Each hydraulic actuation assembly has a piston assembly with a hydraulically movable piston arranged to execute an actuation stroke in the axial direction to generate an actuating force for actuating a brake apparatus of the vehicle brake device, and the annular housing is arranged to dissipate the actuating force. The multi-piston disengagement system may have a pressure transmission device with a connecting device and a traction device operatively connected to the connecting device. The actuating force can be introduced into the connecting device and the traction device can be transferred into a pressure position for exerting an axially directed pressure force against a disc pack arrangement of the brake apparatus during the actuating stroke.

Abstract: A vehicle includes a drive arrangement and a brake device. The drive arrangement has an electric drive machine for generating a driving torque for the vehicle, and a step-up gearing for stepping up the driving torque. The step-up gearing has a gearing input for receiving the driving torque and a gearing output for outputting a stepped-up driving torque in the direction of at least one driven wheel of the vehicle such that a driving torque path from the drive machine to the gearing output and/or to the at least one driven wheel is formed. The brake device can be brought into operative connection with the driving torque path in order to bring a braking torque along a braking torque path onto the at least one driven wheel. The brake device has a friction brake device with a temperature control fluid for lubricating and/or cooling the friction brake device.

Abstract: A braking device for a drive assembly of a vehicle includes an input shaft, a brake and a brake coupling device. The brake has first and second braking partners, and the first braking partner is arranged in a stationary manner in the braking device. The input shaft, the brake and the brake coupling device form sub-portions of a torque path through the braking device. The brake coupling device has a first coupling partner and a second coupling partner. In a coupling state, the brake coupling device rotationally fixedly couples the first coupling partner to the second coupling partner in order to close the torque path, and, in a release state, decouples the first coupling partner from the second coupling partner in order to open the torque path. A one of the first coupling partner and the second coupling partner is connected to the input shaft for rotation therewith.

Abstract: A brake device for an electrically operatable axle drivetrain of a motor vehicle includes a hydraulic disengaging system comprising a central disengaging element which actuates a friction device such that the friction device operates in a braking or non-braking state. The central disengaging element has a central disengaging element housing comprising a central disengaging element piston chamber in which a central disengaging element piston is received in an axially movable manner by means of a hydraulic liquid. The central disengaging element has at least one central disengaging element piston seal which seals off the central disengaging element piston from the central disengaging element piston chamber, and the central disengaging element and the friction device are received in a brake housing, the brake housing including a first pot-shaped housing part and a second lid-shaped housing part which at least partly covers the first pot-shaped housing part.

Abstract: A brake apparatus for an electric final drive apparatus includes a movement device for moving a connecting device of the brake apparatus, with the aid of which the brake apparatus is frictionally connectable to a vehicle wheel or to a transmission device of an electric final drive apparatus in order to decelerate a vehicle wheel or the transmission device. The movement device includes at least one piston unit with the aid of which a connecting device of the brake apparatus can be moved. a supply device for supplying a pressurizable fluid to the movement device. The supply device has a fluid-conducting unit that conducts a pressurizable fluid to the at least one piston unit such that a pressurizable fluid can be supplied to the at least one piston unit. The fluid-conducting unit has a fluid-conducting channel and an inlet. The fluid-conducting channel is formed as a groove and fluidically connects the inlet to the at least one piston unit.

Abstract: A multi-piston disengagement system for a vehicle braking device includes an annular housing formed from a main housing and a housing cover, and a plurality of hydraulic actuation assemblies. The annular housing includes a main axis defining an axial direction, a plurality of housing portions, a plurality of pressure chambers, and a flow channel fluidically connecting the plurality of pressure chambers. Each one of the plurality of pressure chambers is arranged in a respective one of the plurality of housing portions and arranged to be filled with a fluid. Each one of the plurality of hydraulic actuation assemblies includes a piston arranged in a respective one of the plurality of pressure chambers and axially movable therein. The piston is arranged to displace in an actuation stroke for introducing an actuation force into the vehicle braking device when a hydraulic pressure is applied to the fluid.

Abstract: A multi-piston disengagement system for a vehicle brake mechanism includes an annular housing. The annular housing includes a main axis defining an axial direction and an axial opposite direction, and a plurality of housing sections. Each of the plurality of housing sections includes a pressure chamber arranged to be filled with a fluid and an actuating arrangement. The actuating arrangement includes a first piston assembly having a first piston that, when subjected to a hydraulic pressure, is movable in a first actuation stroke to introduce a first actuating force into a brake device of the vehicle brake mechanism, and a second piston assembly having a second piston that, when subjected to a hydraulic pressure, is movable in a second actuation stroke to introduce a second actuating force into the brake device of the vehicle brake mechanism.

Abstract: A multi-piston disengagement system for a vehicle brake device includes an annular housing with a plurality of housing portions, each of the housing portions having a respective pressure chamber and a respective hydraulic actuation assembly. Each hydraulic actuation assembly has a piston assembly with a hydraulically movable piston arranged to execute an actuation stroke in the axial direction to generate an actuating force for actuating a brake apparatus of the vehicle brake device, and the annular housing is arranged to dissipate the actuating force. The multi-piston disengagement system may have a pressure transmission device with a connecting device and a traction device operatively connected to the connecting device. The actuating force can be introduced into the connecting device and the traction device can be transferred into a pressure position for exerting an axially directed pressure force against a disc pack arrangement of the brake apparatus during the actuating stroke.

Abstract: A multi-piston disengagement system for actuating a vehicle braking device includes an annular housing, a plurality of hydraulic actuation assemblies, and a force distribution device. The annular housing includes a main axis that defines an axial direction and a plurality of housing sections with respective pressure chambers arranged for filling with a fluid. Each of the hydraulic actuation assemblies has a piston arranged axially movable in a one of the respective pressure chambers and, when a hydraulic pressure is applied, arranged to apply an actuation force. The force distribution device is for distributing the actuation forces from respective pistons to the vehicle braking device.

Abstract: A wheel module for a vehicle, in particular for an electric motorcycle or electric scooter, includes a wheel axle and a wheel. The wheel having a wheel rim and said wheel rim being rotatably mounted on the wheel axle; and including a brake device for the wheel. The brake device having a brake pad and a brake disc for co-operating with the brake pad, said brake disc being axially movable in order to brake the wheel.

Abstract: A brake system for an electric wheel drive unit has a housing that can be attached securely to the vehicle frame. The housing has a flange region and a shaft-like wheel carrier region secured to the flange region. A first brake component is connected to the housing and includes a first support part attached directly on a radial outer side of the wheel carrier region and a first brake disc element rotationally fixed to the first support part. A second brake component is rotatably mounted relative to the housing and has a second support part and a second brake disc element rotationally fixed to the second support part. A hydraulic actuation device is provided with one or more pressure pistons arranged. A sliding element is provided for moveably coupling the pressure pistons with one of the brake disc elements.

Abstract: An electric axle drive unit for a motor vehicle, having an electric motor with a stator that is fixedly received in a housing, and a rotor that is rotatably mounted relative to the stator and rotationally coupled or coupleable to a wheel hub. A brake device is operatively connected to the wheel hub. The brake device has a first brake component fixedly supported on the housing, a second brake component rotationally fixed to the wheel hub that is frictionally connectable to the first brake component, and an actuation unit that applies a braking force that interconnects the brake components. One of the brake components has a brake disc element rotationally fixed to a support part and is displaceably received in the axial direction of a rotational axis of the wheel hub relative to the support part.

Abstract: In human-powered vehicles, e.g., bicycles, etc., it is customary to use drum brakes, disc brakes or shoe brakes. Each of the braking systems has different advantages in terms of braking effect, system costs, ease of maintenance, etc. A brake unit with a modified structure for a vehicle is provided. For this purpose, a brake unit 14 for a vehicle 1 is disclosed, having a housing 15, having a brake body device 23, wherein the brake body device 23 supports a stationary brake partner of a brake apparatus 12 for the vehicle 1, wherein the housing 15 and/or the brake body device 23 defines a main axis H, having an actuator for moving the brake body device relative to the housing 15 in order to generate a braking force, wherein the stationary brake partner is formed as a brake disc 13.

Abstract: A wheel hub drive for a vehicle, having: a drive housing; a hub output mounted rotatably relative to the drive housing; a wheel brake for the hub output that has a stationary and a rotating braking partner, the stationary braking partner being connected to the drive housing for conjoint rotation therewith, and the rotating braking partner being connected to the hub output. The two braking partners are frictionally connected in a braking state, A parking brake for fixing the hub output relative to the drive housing. The stationary and rotating brake partners being movable relative to one another when the parking brake is actuated and being frictionally connected to one another in a parked state. The has a ramp mechanism for converting a rotary movement into a linear movement in order to transfer a parking force to the stationary and/or rotating brake partner.

Abstract: A sealing element for sealing a pressure chamber is provided in a master cylinder for a clutch or brake system. The sealing element has a sealing lip for sealing a feed of hydraulic fluid from a reservoir mounted on a housing of the master cylinder into the pressure chamber and has a sealing structure for sealing the pressure chamber from the surroundings of the pressure chamber.

Abstract: In human-powered vehicles, e.g., bicycles, etc., it is customary to use drum brakes, disc brakes or shoe brakes. Each of the braking systems has different advantages in terms of braking effect, system costs, ease of maintenance, etc. A brake unit with a modified structure for a vehicle is provided. For this purpose, a brake unit 14 for a vehicle 1 is disclosed, having a housing 15, having a brake body device 23, wherein the brake body device 23 supports a stationary brake partner of a brake apparatus 12 for the vehicle 1, wherein the housing 15 and/or the brake body device 23 defines a main axis H, having an actuator for moving the brake body device relative to the housing 15 in order to generate a braking force, wherein the stationary brake partner is formed as a brake disc 13.

Abstract: A brake device for a vehicle with at least one wheel, wherein the wheel defines a rotational axis, with a brake body device for the transmission of a brake force to the wheel, with a concentric brake cylinder for the generation of the brake force. The brake cylinder has an inner housing part for radial support on a wheel axle of the wheel and an outer housing part for axial support on the brake body device. The two housing parts can be moved relative to one another, and a pressure chamber which runs around the rotational axis is formed between the two housing parts. The brake device has an insulation device for the thermal insulation of the brake body device in the direction of the brake cylinder. The insulation device is arranged at least axially between the outer housing part and the brake body device.

Abstract: A hybrid module includes a first, motor-side pre-assembly group and a second, transmission-side pre-assembly group. A separating clutch is arranged between the motor-side pre-assembly group and the transmission-side pre-assembly group, via which the pre-assembly groups can be connected in a torque-transmitting manner.