Abstract: An electric parking brake apparatus having an emergency releasing function for a vehicle, includes an actuator having a driven member, and an emergency release mechanism releasing a parking brake without relying on an electric motor and including an emergency driving member, and an operation mechanism, which is provided between an operation portion provided at the vehicle interior and the actuator and drives the emergency driving member, wherein the operation mechanism includes an operation driving member, which is movable relative to the emergency driving member so as to be engageable with and disengageable from the emergency driving member and drives the emergency driving member in a case where the operation driving member is engaged with the emergency driving member, and a positioning mechanism, which normally maintains an disengaged state of the emergency driving member and is provided at an end portion of the operation mechanism positioned closer to the actuator.

Abstract: An actuator (1), especially for a motor vehicle parking brake has a telescopic device (2) that actuates a brake cable (6), and a drive unit which is equipped with an electromechanical drive for actuating the telescopic device (2). The actuator (1) further has a displacement sensor unit for detecting the actuating travel of the telescopic device (2) as well as a force sensor unit for detecting the force applied to the brake cable (6) by the drive unit. The displacement sensor unit and the force sensor unit are disposed next to each other in or on the housing (3) of the telescopic device (2) while being separated from the brake cable (6). The assembly has a particularly simple and compact design while reducing the constructive and mounting effort required during the production of the actuator.

Abstract: In an embodiment, an electric parking brake system is disclosed. The system may include or comprise a pair of parking cables each connected to a brake. Additionally, the system may include or comprise a motor and a drive gear. The system may also include or comprise a planetary gear unit including or comprising a sun gear connected to the drive gear, a plurality of planetary gears gearedly connected with the sun gear, an internal gear formed along a revolving path of the planetary gears, and an output carrier connected to the planetary gears. The system may further include or comprise a screw-nut unit including a screw member and a nut member screwed to the screw member, the screw-nut unit being connected to the output carrier, and the parking cables being connected to opposite ends of the screw-nut unit, respectively.

Abstract: An electric parking brake control system for automatically controlling one or more parking brakes in a vehicle. The parking brake control system includes an electric brake switch in communication with a low-pressure switch for automatically applying the parking brakes. The electric brake switch is preferably a latching type mechanism, which is capable of controlling a solenoid air valve external to the vehicle cab. The low-pressure switch automatically monitors an air reservoir for a low-pressure condition. The electric brake switch incorporates a time delay upon release of the switch, in order to prevent inadvertent application of the parking brakes due to a momentary loss of vehicle electrical power.

Abstract: Disclosed is a disc brake for a vehicle, such as an electronic wedge brake, capable of preventing a disc from being subject to the moment due to misalignment of inner and outer friction members with respect to a disc. The disc brake includes a disc rotating together with a vehicle wheel, inner and outer friction pads disposed at both sides of the disc, respectively, a wedge unit installed at rear sides of the inner and outer friction pads to press the inner and outer friction pads against the disc, a driving device that operates the wedge unit for a braking operation, and a sync member for synchronizing braking positions of the inner and outer friction pads with respect to the disc. Since the disc is prevented from being subject to the moment, uneven wear does not occur in the friction member and/or the disc and deformation of the disc is prevented.

Abstract: In an electric parking brake system including a tension control unit that controls the friction member pushing force in a brake by controlling the tension of a cable, the target tension is set to a larger value when a vehicle is maintained at a standstill on a downhill slope than when the vehicle is maintained at a standstill on an uphill slope.

Abstract: A brake system, in particular a dual circuit brake system, for a motor vehicle, includes brakes which can be activated by a brake pedal operatively connected to a brake servo. Each brake engages one wheel. The brake system is designed such that a brake servo is assigned to each brake of at least one brake circuit, and the brake servos can be activated by the brake pedal.

Abstract: An electric brake comprises an actuator module including a module housing, a reciprocating ram, and an electric motor operatively connected to the reciprocating ram for selectively extending and retracting the reciprocating ram with respect to the module housing. The ram has an inner portion of non-circular cross-section and an outer portion of circular cross-sectional, and the housing has a guideway for the ram, which guideway has an inner portion of non-circular cross-section for interacting with the inner portion of the ram to prevent rotation of the inner portion of the ram, and an outer portion of circular cross-sectional. The actuator module can be equipped with a bi-stable holding brake having a first state permitting at least retraction of the ram and a second state preventing at least retraction of the ram.

Abstract: An electromechanical parking brake for a motor vehicle is provided. The electromechanical parking brake includes an operating element that operates a wheel brake, a central control unit that provides an electric supply to the operating element via at least one supply line, an electric actuating unit for interrupting the supply to the operating element, and a control line that connects the central control unit with the electric actuating unit. The operating element and the electric actuating unit are arranged at the motor vehicle in a manner protected against external manual access. The central control unit controls the electric actuating unit via the control line in order to interrupt the supply to the operating element or to reestablish the supply to the operating element. The central control unit also monitors the control line to detect a manipulation of the control line.

Abstract: In an electric brake of the present invention, a plunger of an actuator is connected through a pin to a pivot arm to which an engaging pawl engageable with a tooth portion of a ratchet is pivotably attached. A lower surface (a force-receiving portion) of the pin is adapted to receive an upward force which is applied by a tool inserted through a bolt hole threadably engaged with a watertight bolt. When the parking brake is operated (the engaging pawl is engaged with the tooth portion of the ratchet), if supply of current to the coil becomes impossible, the pin is moved upward by means of the tool, to thereby separate the engaging pawl from the tooth portion. Therefore, an emergency action to release the parking brake can be manually conducted.

Abstract: An electronic parking brake apparatus may include a driving member coupled to and actuating a parking cable, a case in which the driving member is housed, a cable ferrule disposed outside the case and coupled to a portion of the parking cable therethrough, wherein the cable ferrule is biased toward the case by the parking cable when the driving member actuates the parking cable, and a sensing member interposed between the case and the cable ferrule and measuring tension of the parking cable.

Abstract: The invention relates to a machine tool, a production machine and/or a maintenance machine (16), comprising an electromagnetic brake (1) provided with an electrical actuator (2) for braking a mobile machine element (11, 13), the actuator (2) generating an actuating force (FB) and acting on a frictional element (7a, 7b) in such a way as to press the same against a counter frictional element (8) in order to generate a frictional force (FB). An arrangement (17, 18) is provided between the counter frictional element (8) and the electrical actuator (2), said arrangement leading to the self-energising of the actuating force (FB) generated by the electrical actuator (2). The machine comprises a device (6) for controlling the actuator (2) in such a way that the frictional force (FB) is adjusted to a nominal quantity (FRsoll). The invention relates to a machine tool, a production machine and/or a maintenance machine comprising a reliable brake (1) with a simple structure for braking a machine element (11, 13).

Abstract: In an electric brake of the present invention, a plunger of an actuator is connected through a pin to a pivot arm to which an engaging pawl engageable with a tooth portion of a ratchet is pivotably attached. A lower surface (a force-receiving portion) of the pin is adapted to receive an upward force which is applied by a tool inserted through a bolt hole threadably engaged with a watertight bolt. When the parking brake is operated (the engaging pawl is engaged with the tooth portion of the ratchet), if supply of current to the coil becomes impossible, the pin is moved upward by means of the tool, to thereby separate the engaging pawl from the tooth portion. Therefore, an emergency action to release the parking brake can be manually conducted.

Abstract: The disclosure describes, in one aspect, a method of braking a machine having an electric drive configuration. The electric drive configuration includes at least one electric retarding system connected to a first set of wheels. Additionally, a first friction brake system connects to the first set of wheels to provide a braking output torque. A second friction brake system connects to a second set of wheels and provides a second braking output torque. The system calculates and applies a braking ratio between the electric and friction braking systems based upon both user controls and conditions encountered.

Abstract: The invention relates to a regulating device, in particular a motor vehicle parking brake with a regulating unit having a power-operated drive. To provide a regulating device which enables simple cable balancing, it is proposed that a hollow shaft be moved against a torsionally resistant stop as a function of the spring force of an elastic element, when the parking brake is released. The axial position of the stop thus ensures that an adequate cable bias force is always present.

Abstract: An electromechanically actuable parking brake for motor vehicles is disclosed. The brake includes at least one electromechanical actuator whose rotational movement is converted into a translational movement by an actuating unit, and which moves at least one brake element in such a way that at least one brake lining which is connected to the brake element is pressed with a locking force against a rotor which is connected to a motor vehicle wheel, wherein the current consumption of electromechanical actuator when the parking brake is engaged and/or released can be acquired. Furthermore, a method for operating the electromechanically actuable parking brake is also disclosed.

Abstract: A brake system of a vehicle includes a plurality of electromechanical brake actuators (EBAs) proximate the wheels of the vehicle. Each EBA includes a power device for effectuating braking of an associated wheel, and electronics to generate a drive signal for the power device. The brake system may further include at least one brake control unit (BCU) for converting a brake command signal into a control signal for each EBA. The electronics for each EBA may be configured to convert the corresponding control signal into the drive signal that is applied to the power device to cause movement of the power device and effectuate braking of the vehicle.

Abstract: The invention relates to an actuator for an electromechanical brake, the actuator comprising a pusher and a first drive member arranged to move the pusher in register with a stack of disks and to apply a braking pressure to the stack of disks, the actuator including a second drive member comprising a piezoelectric assembly suitable for modulating the braking pressure applied to the stack of disks. According to the invention, the piezoelectric assembly is disposed inside the actuator so as to present an end that is stationary.

Abstract: In the specification and drawings, an apparatus and method for operating a take-up mechanism is described and shown. The take-up mechanism includes a gear, a motor configured for engagement with the gear, and a manual input shaft configured for engagement with the gear. In a first mode of operation, the gear transmits rotation from the motor, and in a second mode of operation, the gear transmits rotation from the manual input shaft. In an alternate embodiment, the take-up mechanism may include a plate between the manual input shaft and the gear. The plate may be configured to transfer rotation and torque from the manual input shaft to the gear, or inhibit the transfer of rotation and torque from the gear to the manual input shaft. The method for operating the take-up mechanism uses a motor and a manual input shaft connected to a gear to operate the take-up mechanism in the first and second modes.

Abstract: An improved structure for an electric actuator unit for use in a brake assembly.

Abstract: There is provided an electric ground working vehicle including a left wheel and a right wheel, at least one caster, a working apparatus, an acceleration operating element for performing acceleration instructions, a turn operating element for performing turn instructions, and a control unit. The left wheel and the right wheel are independently driven by left and right electric motors respectively. The control unit controls a regenerative brake driving unit so that electric power is regenerated from the left and right electric motors to an electric power source unit when the acceleration operating element is not operated during traveling to regeneratively brake the left and right wheels.

Abstract: A motor-driven brake system includes a brake body for enabling brake pads to be pressed against a disk rotor attached to a member which supports a wheel of a vehicle, the brake pads being adapted to be driven by an electric device; a pressing-force maintaining mechanism for maintaining the pressing force generated by the brake body; a pressing-force detecting device adapted to detect the pressing force generated by the brake body; and a control device for controlling the electric device and the pressing-force maintaining mechanism, the control device including an elapsed time measuring device adapted to measure elapsed time during a parking brake operation; and a pressing-force reduction predicting device adapted to predict, based on the elapsed time measured by the elapsed time measuring device and a value of a pressing force, a magnitude of the pressing force generated by the brake body after the elapsed time.

Abstract: A method for regulating the speed at which an electric vehicle descends a hill includes determining a position of a shift lever and determining if the vehicle accelerator and/or the vehicle brake are depressed. If the vehicle is in either drive or reverse and neither the vehicle accelerator nor the vehicle brake is depressed, a change in the motor speed is determined based on the current motor speed and a reference motor speed. The current braking assist is then adjusted based on the change in the motor speed such that the motor speed, and therefore the speed of the electric vehicle, remains constant as the vehicle descends the hill.

Abstract: A vehicle brake with an electromechanical drive, by means of which electrical energy fed into a brushless direct current motor is converted into mechanical energy to generate braking forces, the electrical energy being fed via an electronic control unit into the electric motor.

Abstract: Disclosed is an electric parking brake. The electric parking brake includes a motor which forms torque through an electric device, multi-stage gears coupled with the motor, a gear wheel which is mechanically linked with the multi-stage gears, a screw nut which has a hollow structure, and is integrally formed with an inner circumferential surface of the gear wheel, a spindle geared with an inner circumferential surface of the screw nut to move in a shaft direction according to rotation of the gear wheel, a parking cable linked with the spindle at an outlet side of the spindle remote from the gear wheel, a stopper member fixed to an outer circumferential surface of a second end opposite to a first end of the spindle linked with the parking cable to prevent the spindle from excessively rotating when breaking is released. In the electric parking brake, the stopper member is fixed on the outer circumferential surface of an end opposite to one end of the spindle linked with the parking cable.

Abstract: An electric drive for a parking brake is disclosed, the brake having a rotationally driven screw nut which is in engagement with two spindles which are aligned with one another, have threads running in opposite directions, and which are fixed in the rotational direction, can be moved in a translatory fashion and are each provided with a cable holder for connecting to brake elements. Here, one of the two spindles is a hollow spindle whose internal diameter is greater than the external diameter of the other spindle so that when the screw nut rotates, the spindle on one side can be retracted in a telescopic fashion into the hollow spindle on the other side.

Abstract: The present invention concerns a safety brake (1) that is hydraulically/pneumatically actuated. The booster system (7) necessary for this purpose is composed of a hydraulically driven piston-cylinder system (8) and a modulatable, motorically driven hydraulic system arranged in parallel therewith.

Abstract: A brake system that provides a good pedal feel, that assists stepping force of a driver by a small motor, and that can control braking force of wheels individually. The brake system comprises a first actuator (5) for increasing a liquid pressure in a master cylinder (2) by driving torque of a motor (51), and a second actuator (6) capable of driving a brake generating mechanism (3) without transmitting power to the master cylinder (2), wherein the actuators (5, 6) to be driven are switched depending on the operation of a brake pedal (1). The first and second actuators (5, 6) are connected to hydraulic piping (4f, 4r), and a pressurized oil is supplied to the brake generating mechanism (3) through hydraulic valve means (63f, 63r, . . . 65rr).

Abstract: A motor driven brake apparatus is provided for braking a wheel mounted on a knuckle, and includes a brake member rotated integrally with the wheel, a friction member mounted on the knuckle to be capable of being in contact with the brake member, and an electric motor for driving the friction member toward the brake member to be in contact therewith. The motor is adapted to press the friction member onto the brake member to restrain the wheel from rotating. And, a motion converter is accommodated in an opening portion of the knuckle for converting rotating force of the motor into pressing force applied by the friction member onto the brake member. The motion converter is connected to the motor at a side thereof facing the vehicle body, and the motor is mounted on the knuckle.

Abstract: An electromagnetic damper control device including a first member containing a magnet, and a second member containing a solenoid combined to permit relative rotation. The relative rotation of the first and second members induces an electromagnetic force in a solenoid that serves as a damping force to a motion. The device further comprises a current limiter device operated by a voltage generated in the solenoid due to the relative rotation of the first member and second member. The current limiter devices regulates the electrical current flowing in the solenoid to a specific value based on the voltage generated in the solenoid so that by regulating the damping force of the electromagnetic damper a desired damping force can be applied to the electromagnetic damper without requiring external electrical power.

Abstract: The present invention relates to an actuation system for a parking brake of a motor vehicle, comprising a foot or a hand-actuated manual actuation means (10) for tightening of the parking brake, wherein the parking brake is purely mechanically tightened via the actuation means, a locking mechanism (20) for tightening and releasing of the parking brake, wherein the actuation means (10) and the locking mechanism (20) are arranged at different positions of the motor vehicle, respectively.

Abstract: A simple parking brake includes an electric motor having an internally threaded nut. The internally threaded nut receives an externally threaded shaft. The shaft is pinned to a lever, such that it cannot rotate. The shaft thus moves linearly when the electric motor drives the nut to rotate. As the shaft moves, it drives the brake actuator between a parking position and a release position. A control supplies a pulse to drive the motor in the appropriate direction and for the particular appropriate distance. The pulse length is preferably selected to be longer than that necessary to move the shaft the necessary distance. The motor is preferably sized to stall once the desired park or open position is achieved. In this manner, a simple control is able to control the motor.

Abstract: An electromechanical braking system includes a brake rotor, a brake stator, an EMA (52) having a rotor shaft (36), a ram (42) operably connected to the EMA (52) having a first end movable between a first position urging the brake stator against the brake rotor and a second position, a clamp device (32) shiftable between a first clamping position in clamping engagement with the rotor shaft (36) and a second clamping position and a clamp controller (46) for shifting the clamping device (32) between the first and second clamping positions. Also a method of using the braking system as a parking brake.

Abstract: An electric brake actuator is described. The actuator comprises a housing, an electric motor, a device for torque transmission and an element for torque delivery. The device for torque transmission is a gear mechanism with a gear shaft which is parallel to the motor shaft, wherein the torque is transmitted from the electric motor to the gear mechanism by means of a belt drive. The distance between the motor shaft and the gear shaft is fixed by means of a rigid spacer, the opposite ends of which are located on different sides of the plane which is defined by a belt of the belt drive.

Abstract: An apparatus for remotely controlling an aircraft having a self-propelled nosewheel, on the ground, comprises parking brakes; an APU on said aircraft; control means for applying and releasing said parking brakes; control means for turning on and off said APU; transmitting means for transmitting information to said parking brakes and said APU; receiving means for receiving information at said parking brakes; and receiving means for receiving information at said APU.

Abstract: The invention provides an electric brake system and method. The electric brake system includes an electric motor having a portion moveable along a path between a plurality of positions for moving a brake pad and applying a selectable amount of braking force on a brake rotor. One of the plurality of positions is a minimal contact position. The minimal contact position is operable to change among the plurality of positions over time. The electric brake system also includes an electric controller for controlling the electric motor to move the portion along the path between the minimal contact position and at least one other of the plurality of positions for moving the brake pad and for selecting the amount of braking force. The electric brake system also includes at least one sensor for sensing at least one of motor current, motor acceleration, controller voltage, motor speed, motor voltage, and motor temperature, and communicating a sensed condition to the controller.

Abstract: A brake system includes a piston for applying an output force to a brake, a motor operatively connected to the piston and a controller receiving a braking request and sending a brake force signal commanding a level of brake force to the motor to cause the motor to move the piston and apply an output force to the brake. When the brake force signal remains at a first level for a given period of time, the controller automatically decreases, or increases and then decreases, the level of the brake force signal from a first value. Also a method of controlling such a brake system.

Abstract: A vehicle brake system includes first and second central control units communicating with, respectively, first and second control networks, and a plurality of brake units. Each brake unit includes a brake component, a self-enforcing mechanism associated with and acting upon the brake component, and first and second actuation mechanisms acting upon the self enforcing mechanism, in response to, respectively, first and second actuation control signals, to cause actuation of the brake component. Each brake unit also includes first and second local control units in direct communication with, respectively, the first and second central control units via, respectively, the first and second control networks.

Abstract: An electromagnetic braking system includes a brake stack (20), a ram (18) shiftable in a first linear direction toward and against the brake stack (20) and in a second linear direction opposite the first linear direction, a motor (12) having an output shaft (14) mechanically connected to the ram (18) and rotatable in a first rotation direction for moving the ram (18) in the first linear direction and in a second rotation direction for moving the ram (18) in the second linear direction, at least one friction member (32, 34, 41, 43, 52) having a friction surface (33, 35, 43, 55) mounted adjacent to the motor output shaft (14), and an friction surface (33, 35, 43, 55) for moving the friction surface (33, 35, 43, 55) of the at least one friction member (32, 34, 41, 43, 52) against the motor output shaft (14) in a non-locking manner and holding the friction member (32, 34, 41, 43, 52) against the motor output shaft (14) with a predetermined force to perform a park brake function, wherein the predetermined force is

Abstract: A disc brake caliper for use with a disc brake rotor having a first side and a second side. The caliper further includes a first mounting portion and a second mounting portion each positioned adjacent one side of the disc brake rotor. The caliper further includes brake pads disposed adjacent the respective mounting portions such that brake pads are on opposite sides of the disc brake rotor and in facing relationship therewith. Further, the disc caliper includes a hydraulic service brake actuator and an electric parking brake actuator, each of which is operable independently of the other. Each of the actuators are arranged for actuation against a second side of the first brake pad for displacing the first brake pad away from the first mounting portion and into engagement with the disc brake rotor. The hydraulic service brake and the electric parking brake actuators have positions of actuation on the second side of the first brake pad at positions spaced apart.

Abstract: A system and method for establishing a running clearance position for an electromechanical actuator (28), wherein the running clearance is based on an actuator ram (34) position attained during a force application to a brake stack (30). In particular, a running clearance calibrator (66) determines a position value corresponding to a position of the force applicator when retraction from an application of force on the brake stack commences. The running clearance calibrator also generates a running clearance position as a function of the position value.

Abstract: A brake system fault pedal gain change method and system for brake pedal simulator equipped vehicles such as hybrid electric vehicles is provided. In the event of a brake system booster fault, the method alerts the driver by way of tactile feedback. Additionally, the disclosed method provides a controlled means to gradually increase required brake pedal force during a brake system fault to avoid an abrupt change in brake pedal force when the brake system boost is depleted.

Abstract: A latching device including a reversibly rotatable drive gear, a reversibly rotatable driven gear meshing with the drive gear, and a cantilever including a latching gear meshing with one of either the drive gear or the driven gear. The cantilever includes an electrically distortable polymeric material configured to distort in response to an applied current to position the latching gear in an intermeshing relationship with both the drive gear and the driven gear, such that the drive gear, driven gear, and latching gear selectively prevent rotational motion of the gear assembly in a predetermined direction. Also, an electromechanical brake assembly including a rotary motor and the latching device, where the gear assembly selectively prevents rotational motion of the rotary motor in a brake-disengaging direction.

Abstract: The invention achieves a further downsizing of an actuator control unit. The actuator control unit has a control circuit controlling an actuator, and a bus bar electrically connected to the control circuit and arranged such as to be partially embedded in an inner portion of a resin case and be partially exposed to an outer portion of the resin case. It is preferable to have a projection portion extending in a wiring direction of the bus bar between two bus bars wired adjacently, having a greater height than an embedded plane of the bus bar in the resin case, and made of an insulating material.

Abstract: An electric brake actuating assembly (10), including a rotatable actuator (11) and electric drive means for driving the rotatable actuator (11) to rotate, a pair of load transfer members (16, 17) disposed respectively on opposite sides of the rotatable actuator (11) and each load transfer member (16, 17) including three connections A, A1, B, B1, C, C1. Link arrangement (14) connects respective first connections A, A1 of load transfer members (16, 17) an actuating cable arrangement (15) connects respective second connections B, B1 of load transfer members (16, 17) and extends in connection in with rotatable actuator (11), and a brake assembly connection (18, 19) extends from respective third connections C, C1 of load transfer members (16, 17) for connection to respective brake assemblies.

Abstract: A first method for estimating a torque/force exerted by a load against an actuator driven by an electric motor against the load includes measuring motor current of the electric motor and measuring a position/angle or speed/angular speed of the actuator and includes calculating the torque/force exerted by the load against the actuator using at least a difference between a calculated motor torque/force and a calculated actuator-experienced torque/force. A second method includes measuring input voltage of the electric motor instead of measuring motor current. A third method includes measuring both motor current and input voltage. In one example, without limitation, the actuator is an automotive electromechanical brake caliper.

Abstract: A disc brake comprises a disc brake caliper, which includes a brake application mechanism with an input element, and a service brake actuator providing a brake application force to the input element via a push rod. An electromechanical brake actuator is arranged between the caliper and the service brake actuator and applies its force at will on the push rod.

Abstract: A holding brake device has a brake body, a drive output body and a brake surface. The drive output body is arranged so as to be axially moveable. The drive output body can be coupled to a drive output unit, by which an axial drive output force can be exerted on the drive output body in a predefined direction. The drive output body has a guide element. The brake body has a guide in which the guide element of the drive output body is guided. The brake body and the guide are designed such that the brake body is clamped between the guide element and the brake surface, or the clamping of the brake body between the guide element and the brake surface is released, depending on a current position of the brake body in relation to the guide element of the drive output body.

Abstract: Disclosed is a brake actuating unit for actuating a motor vehicle brake system of the ‘brake-by-wire’ type. The system includes a brake booster which is operable in response to the driver's wish both by a brake pedal and by an electronic control unit. A device is provided to decouple a force-transmitting connection between the brake pedal and the brake booster in the ‘brake-by-wire’ operating mode. A master brake cylinder connected downstream of the brake booster, a device to detect a deceleration request of the driver, and a pedal travel simulator which interacts with the brake pedal and due to which a resetting force acting on the brake pedal can be simulated in the ‘brake-by-wire’ operating mode independently of an actuation of the brake booster, and which can be enabled in the ‘brake-by-wire’ operating mode when the force-transmitting connection between the brake pedal and the brake booster is decoupled and can be disabled outside the ‘brake-by-wire’ operating mode.

Abstract: A self-boosting electromagnetic disk brake having an electromechanical actuating device and a mechanical self-boosting device that has a wedge mechanism. A wedge is displaceable parallel to a brake disk and relative to a friction brake lining, and the relative displaceability of the wedge is limited relative to the friction brake lining to one direction, by means of a slaving device. The wedge is decoupled from the friction brake lining in one direction of rotation of the brake disk. As a result, the self-boosting device is operative in only one direction of rotation of the brake disk; in the reverse direction of rotation of the brake disk, the disk brake is neutral in terms of self-help.