Abstract: The disclosure relates to a brake caliper for a disk brake, comprising a support structure having a bridge and at least one bridge finger. The at least one bridge finger has a brake lining side, an outer side, and a bore introduced into the outer side. The bore has a bore wall, a bore groove let into the bore wall. A cover having a pin projects into the bore and a pin groove extending into the pin circumferential surface, A sleeve is arranged between the bore wall and the pin circumferential surface and has a sleeve body The sleeve has a spring arm which is bent outward in the radial direction away from the sleeve body and/or a spring arm which is bent inward in the radial direction away from the sleeve body. The outwardly bent spring arm engages into the bore groove and/or the inwardly bent spring arm engages into the pin groove.

Abstract: A threaded drive (18) for an electromechanical brake is shown, having a pot-shaped spindle nut with a base and a circumferential wall which has a thread (34) on the inside. In addition, the threaded drive (18) comprises a spindle (20) having an external thread, which projects with its external thread into the interior of the spindle nut, and a drive geometry (38) on the spindle (20) for transmitting a rotational movement to the spindle (20), which, via the external thread, moves the spindle nut axially. The spindle (20) has an end face facing the inner side of the base of the spindle nut and with at least one groove in the shape of an annular segment which extends concentrically with a central axis of rotation of the threaded drive (18) and ends in a stop wall. A stop attachment on the base of the spindle nut penetrates, at the end of the axial movement of the spindle nut relative to the spindle (20), the groove and strikes the stop wall.

Abstract: A brake actuator (10) is specified, in particular for an electromechanical vehicle brake, having a brake caliper (12) in which an intermediate space (14) is formed for a brake rotor, wherein a brake pad (16), which can be applied against the brake rotor, is arranged in the intermediate space (14), a brake piston (18) for applying the brake pad (16) against the brake rotor, a spindle drive (20) which comprises a spindle (22) which is driven by an electric motor and a spindle nut (24) which is mounted on the spindle (22) via a thread pair which is designed to be self-releasing, and a ball ramp mechanism (28) which comprises a first ramp body (30) which is mounted fixedly in terms of rotation and which has an actuating surface (32) which is oriented toward the brake piston, and a second ramp body (34) which is arranged between the first ramp body (30) and the spindle nut (24).

Abstract: The present disclosure relates to a brake calliper for a disc brake. The brake calliper comprises a supporting structure, a cover with a pin, and a fixing disc. The supporting structure has a bridge and at least one bridge finger which has a brake lining side, an outer side and a bore which is incorporated into the outer side and which runs from the outer side in the direction of the brake lining side. The cover has a pin protruding into the bore. The fixing disc has a disc edge which has an outer diameter D and which is positively held in the bore and with a disc center which has a through-opening, through which the pin protrudes. The disc center has a clamping region which is bulged relative to the disc edge in the direction of the brake lining side and which fixedly clamps the pin in the through-opening by a clamping edge. The disclosure also relates to such a fixing disc itself.

Abstract: An electromotive actuator assembly for an electromechanical vehicle brake is disclosed having a transmission that comprises transmission shafts, cylindrical brake surface provided in the transmission and which encircles an axis of rotation, and a blocking element mounted eccentrically with respect to the axis of rotation. The blocking element is adjustable about a pivot axis by a drive unit and can be placed in contact with the cylindrical brake surface. The blocking element is arranged so as to become wedged together with the cylindrical brake surface with self-locking action in only one direction of rotation of the cylindrical brake surface about the axis of rotation (A). The disclosure also relates to a method for activating and deactivating a parking brake function.

Abstract: The invention relates to a method for operating a vehicle brake system and to a vehicle brake system, wherein the vehicle brake system comprises at least one hydraulic vehicle brake (10), having a brake caliper (12), having a brake piston (16), having a brake piston seal (20) which is assigned to the brake caliper (12) and which acts between the brake caliper (12) and brake piston (16), having brake pads (22), and having a brake disk (24), in which method a hydraulic brake pressure acting on the brake piston (16) is built up in a manner dependent on a braking command. The brake pressure is furthermore held in a manner dependent on the braking command. If the braking command is withdrawn, the hydraulic brake pressure acting on the brake piston (16) is reduced to a hydraulic intermediate pressure, and the hydraulic intermediate pressure is held for a defined second period of time. The hydraulic brake pressure is subsequently reduced.

Abstract: In the case of a hydraulic vehicle brake, having a brake caliper (12), having a brake piston (16), having a receiving bore (14) for the brake piston (16), and having a brake piston seal (32) that acts between the brake caliper (12) and the brake piston (16), the brake piston seal (32) is designed as a composite part, with a composite of a base component (34) and a reinforcement insert (36). The reinforcement insert (36) provides the brake piston seal (32) with a degree of elasticity in an axial direction, whereby, after the brake piston (16) has been displaced in the direction of brake pads (22), the brake piston seal (32) displaces the brake piston (16) in the opposite direction.

Abstract: The present disclosure relates to a disc brake arrangement comprising, a brake carrier, at least one brake lining, and at least one positioning device. The brake carrier comprises a brake disc shaft, comprising at least one outer face which is a side remote from the brake disc shaft, comprising at least one inner face which is a side facing the brake disc shaft, and comprising guide grooves which run in each case from the outer face to the inner face, the direction thereof defining an actuating direction, and which are formed in each case from two opposing guide surfaces and a support surface connecting the guide surfaces. The at least one brake lining comprises a friction lining and a lining carrier which is displaceably mounted by guide ears in the guide grooves in the actuating direction. The at least one positioning device comprises a guide and comprises a clamping device, the brake lining and the brake carrier being coupled thereby so as to be displaceable relative to one another.

Abstract: The present disclosure relates to an electromechanically actuatable brake piston assembly for a motor vehicle disc brake, comprising: a brake calliper housing having a bridge, bridge fingers and a brake piston bearing portion; a brake piston which can be axially moved in a first bore of the brake piston bearing portion, said first bore having a bore axis and a first bore wall; a rotation-translation transmission installed in an internal space of the brake piston; and an anti-rotation mechanism having a guide slot and a guide element, which is guided by the guide slot in such a way that the brake piston is limited to its axial degree of freedom of motion. The guide slot is comprised of the brake piston bearing portion and the guide element is fixedly connected to the brake piston.

Abstract: Proposed is a method for setting a clearance of a disc brake for a motor vehicle, wherein the disc brake includes a brake caliper, a brake piston, a brake disc, brake pads, at least one drive unit, which is assigned to a brake pad and by which a restoring force can be applied to the assigned brake pad, and at least one sensor, which is assigned to the at least one brake pad coupled to the drive unit, wherein the method comprises determining a physical value of the brake pad, comparing the physical value with an assigned predefined limit value or a predefined limit-value range, and, if necessary the brake pad is adjusted by an assigned drive unit. Also proposed is a brake pad and a service brake for a motor vehicle.

Abstract: An electromechanical frame brake is disclosed. The electromechanical frame brake comprises a floating frame assembled from a plurality of parts, and a brake piston, which can be moved axially by a spindle drive and is seated on a spindle of the spindle drive and guided in a piston-receiving housing. The floating frame has the piston-receiving housing, lateral struts, and an outer crossmember, which is connected via the struts to the piston-receiving housing. The crossmember carries an outer brake pad. The floating frame is mounted by way of axial linear guides in a brake carrier of the frame brake in such a way as to float and to be axially movable relative to the brake carrier. The brake carrier has a socket with a guide surface for the piston-receiving housing, which is mounted in an axially movable manner in said socket.

Abstract: An actuator assembly (12), in particular for an electromechanical vehicle brake (10), is specified, having a brake caliper (14) in which an intermediate space (16) is present for receiving a brake rotor (18), a ball screw drive which has an actuating slide (24) for applying a brake pad (20) onto the brake rotor (18) and an electromotively driven spindle (26) for the axial movement of the actuating slide (24), wherein the actuating slide (24) can be moved by axial displacement between an extended position and a retracted position. The spindle (26) has a spindle shaft (28) and an output sleeve (30) which is separate from the spindle shaft (28) and which is arranged in toothed and torque-transmitting engagement on the spindle shaft (28). A threaded raceway (32) is formed on the external peripheral surface of the output sleeve (30) and an opposing raceway (34) for balls is formed on the internal peripheral surface of the actuating slide (24).

Abstract: The invention relates to a restoring device (1) for restoring a brake pad of a motor vehicle disc brake, and to a motor vehicle disc brake which comprises a restoring device of this type. The restoring device (1) comprises a wear compensation means (2) and a tension arrangement (7) for generating a restoring force, having a bearing region (10) for support on a brake carrier of the motor vehicle disc brake, and a coupling section (8), the bearing region (10) defining a bearing plane (AE) by way of a bearing contact (11) which, when the tension arrangement (7) bears against the brake carrier, comes into contact with the latter.

Abstract: An actuator sub-assembly for an electromotive vehicle brake is set out, having a brake calliper, in which an intermediate space for receiving a brake rotor is provided. A spindle drive is also provided, which has a sliding actuation member for applying a brake pad to the brake rotor. The sub-assembly also includes an electro-motively driven spindle for axially moving the sliding actuation member, an electric motor which is drivingly coupled to the spindle by a gear mechanism unit, and a housing, in which the gear mechanism unit is accommodated. A plate-like frame portion, which has a receiving space for at least one gear stage of the gear mechanism unit is also arranged in the housing. Starting from the frame portion, at least one web-like continuation extends in the direction towards the brake calliper and is secured to the brake calliper.

Abstract: The invention relates to a restoring device (1) for restoring a brake pad of a motor vehicle disc brake, and to a motor vehicle disc brake which comprises a restoring device of this type. The restoring device (1) comprises a wear compensation means (2) and a tension arrangement (7) for generating a restoring force, having a bearing region (10) for support on a brake carrier of the motor vehicle disc brake, and a coupling section (8), the bearing region (10) defining a bearing plane (AE) by way of a bearing contact (11) which, when the tension arrangement (7) bears against the brake carrier, comes into contact with the latter.

Abstract: An actuator assembly of an electromechanical vehicle brake has a linearly displaceable brake piston, a brake calliper unit having a holder for the brake piston, and a rotation prevention arrangement. The rotation prevention arrangement comprises a ring pushed onto a contact surface on the brake piston and connected in a rotationally fixed manner to the brake piston at an inner circumferential surface. The ring has at least one radially outwardly protruding securing projection, and a groove associated with the securing projection, which runs in the axial direction in the inner circumferential surface of the holder. A method for mounting and dismounting the brake piston is also disclosed.

Abstract: There is set out an actuator subassembly (10) for a vehicle brake, having a linearly displaceable, unilaterally open brake piston (20) which is used to apply a brake liner to a brake rotor, having a brake calliper unit (12), in which a receptacle (22) having a running face (24) for the brake piston (20) is provided, and having a rotation prevention member which has at least one axially extending groove (38) in the running face (24) and at least one rotation prevention element (32) and by means of which the brake piston (20) is guided in the brake calliper unit (12) in a rotationally secure manner when the rotation prevention element (32) is received in the groove (38).

Abstract: A ball screw drive for an actuator assembly of a vehicle brake is disclosed, having a rotatably mounted recirculating ball screw spindle, on which a spindle nut open on one side is mounted. At least one thread groove is formed on the circumferential surface of the recirculating ball screw spindle, and a corresponding thread groove is formed on the inner surface of the spindle nut. A multiplicity of balls is guided in the thread grooves in such a way that rotation of the recirculating ball screw spindle brings about axial movement of the spindle nut along a rotational axis of the recirculating ball screw spindle. The spindle nut is manufactured from rolling bearing steel or from C steel.

Abstract: A ball-screw drive for an actuator assembly of a vehicle brake is disclosed, comprising a rotatably mounted recirculating ball screw on which a cup-shaped screw nut is mounted. On a circumferential surface of the recirculating ball screw, at least one thread is formed. On the inner surface of the screw nut, a corresponding thread is formed, wherein, in the threads, a plurality of balls are guided in such a way that a rotation of the recirculating ball screw brings about an axial displacement of the screw nut along an axis of rotation of the recirculating ball screw. The screw nut is formed in two parts and has an inner part, in which the thread is formed, and an outer part, on which the circumferential surface of the screw nut is formed. The outer part has protection against corrosion. Furthermore, an actuator assembly and a method for producing a ball-screw drive are indicated.

Abstract: A ball screw drive for an actuator assembly of a vehicle brake is disclosed, comprising a rotatably mounted ball screw shaft on which a ball nut, which is open axially on one side, is mounted, wherein at least one thread is formed on a circumferential face of the ball screw shaft and a corresponding thread is formed on an inner face of the ball nut, wherein a large number of balls is guided in the threads in such a way that rotation of the ball screw shaft causes axial displacement of the ball nut along an axis of rotation of the ball screw shaft. The ball nut has a corrosion protection coating on an exterior thereof, at least on an end face thereof and in a region of a circumferential wall adjacent to the end face. A method for producing a ball screw drive is disclosed.