Abstract: The invention relates to a brake assembly for an axle to be braked, said brake assembly containing: a housing that encloses an interior; a main body; a rotatably mounted shaft that extends at least partially in the interior and has a connecting flange for the axle; an axially displaceable brake disc that is mounted on the shaft for conjoint rotation therewith; a first braking surface against which the brake disc can be axially pressed; a second axially movable braking surface on the other side of the brake disc; a wedge gear in order to press the second braking surface against the brake disc and thus the brake disc against the first braking surface; and a cooling conductor in order to dissipate heat generated during braking from the two braking surfaces.

Abstract: A brake system for an electrically drivable motor vehicle includes an electric machine with a rotor which can be torque-transmittingly coupled to a brake device and to at least one vehicle wheel. The brake system also includes a service brake system for the wheel-selective application of braking torque to at least the vehicle wheels of a first vehicle axle. The brake system includes a system controller which, when an input brake signal is present, in particular according to the current driving state of the motor vehicle, transmits a first control signal which represents a deceleration torque to the brake device, or transmits a second control signal which represents a deceleration torque to the electric machine, or transmits a third control signal which represents a deceleration torque to the service brake system.

Abstract: A brake assembly includes a housing with a first braking surface, a shaft, a brake disk, a second braking surface, a wedge gear and a cooling conductor. The shaft is rotatably mounted on a main body of the housing. The brake disk is mounted on the shaft for conjoint rotation therewith. The brake disk is axially displaceable relative to the main body to contact the first braking surface, and the second braking surface is axially displaceable relative to the main body. The wedge gear is engaged with the main body and the second braking surface and moves transverse to a central axis to move the second braking surface against the brake disk and the brake disk against the first braking surface. The cooling conductor is thermally coupled to and dissipates a heat generated at the first braking surface and the second braking surface during braking.

Abstract: A braking system for a motor vehicle includes a brake housing, a drum brake arranged in the brake housing, a brake shoe, a brake actuator and an electric machine. The drum brake has a brake drum and the brake shoe is arranged to apply a friction torque to the brake drum. The brake actuator is arranged to radially displace the brake shoe towards the brake drum to apply the friction torque. The electric machine has a rotor coupled to the brake drum and arranged to be coupled to a wheel of the motor vehicle. The braking system may include a brake cooling circuit arranged for dissipating heat from the drum brake.

Abstract: The invention relates to a brake system (1) of a motor vehicle (3) which can be driven electrically by means of an electric machine (2), wherein the brake system (1) comprises a drum brake (4) with a brake drum (5), which can be loaded with a frictional torque by means of a brake shoe (6) which can be moved radially in the direction of the brake drum (5) by a brake actuator (7), and the electric machine (2) has a rotor (8) which is coupled in a torque-transmitting manner to at least one vehicle wheel (10) of the motor vehicle (3), wherein the drum brake (4) is received in a brake housing (9), and the brake shoe (6) is connected in a torque-transmitting manner to the rotor (8) of the electric machine (2) and is mounted such that it can be moved axially and radially with respect to the non-rotational brake drum (5), with the result that the brake shoe (6) can be moved into a frictionally locking connection with a shell surface (11) of the brake drum (5) by way of the brake actuator (7) actuating in the axial di

Abstract: A braking system includes an electric machine with a rotor, a brake housing, a brake arranged in the brake housing, and an actuator. The rotor is arranged for torque-transmitting connection to a vehicle wheel. The brake has a brake disk torque-transmittingly connected to the rotor. The actuator is for applying a friction torque to the brake disk. The braking system may have a brake cooling circuit for dissipating heat from the brake.

Abstract: A thermal management system for a motor vehicle includes an electric machine with a motor cooling circuit for removing heat from or supplying heat to the electric machine, a battery with a battery cooling circuit for removing heat from or supplying heat to the battery, a passenger compartment with an air conditioning circuit for removing heat from or supplying heat to the passenger compartment, a brake with a brake cooling circuit for removing heat from or supplying heat to the brake, and a hydraulic control system. The hydraulic control system has a first hydraulic switching element arranged to vary a volumetric flow rate in the motor cooling circuit, the battery cooling circuit, the air conditioning circuit or the brake cooling circuit.

Abstract: A braking system for a motor vehicle includes a brake device, an electric machine, a service brake system and a system controller. The electric machine has a rotor arranged to be torque-transmitting coupled to the brake device and to a vehicle wheel. The service brake system is arranged for selectively braking the vehicle wheel. The system controller has a memory with a plurality of stored operating modes, and a processor arranged for commanding a braking torque from the brake device, the electric machine operating in a generator mode, or the service brake system depending on a driving operating state of the motor vehicle.

Abstract: The invention relates to a braking system of a motor vehicle that can be electrically driven by an electric machine, wherein the braking system comprises a multi-disc brake with a plurality of inner discs and a plurality of outer discs, which can be frictionally connected by means of a brake actuator, and the electric machine comprises a rotor which is torque-transmittingly coupled to at least one vehicle wheel of the motor vehicle, wherein the multi-disc brake is accommodated in a brake housing and the inner discs or the outer discs are torque-transmittingly connected to the rotor of the electric machine.

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.