Abstract: A brake system comprises a reservoir; a brake pedal; a master cylinder including a first master chamber, a second master chamber, a first master piston, and a second master piston; a first hydraulic circuit including at least one first hydraulic wheel brake; a second hydraulic circuit including at least one second hydraulic wheel brake; and a hydraulic pressure supplier including an actuator for pressurizing the first hydraulic circuit and the second hydraulic circuit depending on an operation of the brake pedal in a normal operating mode. The master cylinder further comprises a locking chamber and an elastic pedal feel element arranged in the first master chamber to be in contact with the first master piston and the second master piston for generating a pedal force when the brake pedal is operated while the second master piston is locked in the normal operating mode.

Abstract: The invention relates to an electro-mechanical brake with an actuator (5) for pressing at least one brake pad (3, 4) against a rotating friction surface. The actuator (5) comprises an electric motor (7) and a first transmission for converting a rotary motion of the electric motor (7) into a translational motion of the at least one brake pad (3, 4) for activating or releasing the electro-mechanical brake. Furthermore, the actuator (5) comprises a second transmission for converting a rotary motion of the same electric motor (7) into a further translational motion of the at least one brake pad (3, 4) to compensate for a wear of the at least one brake pad (3, 4), the first transmission and the second transmission being coupled so that the translational motion of the at least one brake pad (3, 4) caused by the first transmission and the further translational motion of the at least one brake pad (3, 4) caused by the second transmission add up to a resulting translation of the at least one brake pad (3, 4).

Abstract: The present invention relates to a brake system for a vehicle. The proposed brake system (1) comprises an actuation unit for actuating wheel brakes of the vehicle in a normal operating mode of the brake system (1). Further, the system (1) comprises a brake cylinder (2) for pressurizing the wheel brakes of the vehicle in an emergency operating mode of the brake system (1). The brake cylinder (2) comprises a brake cylinder housing (4) and a push rod (3) being displaceable within the brake cylinder housing (4) by operation of a brake pedal (5). The brake cylinder (2) further comprises a piston (14) movably arranged within the brake cylinder housing (4). The piston (14) has a first surface and a second surface opposite the first surface. A hydraulic chamber (11) is formed within the brake cylinder housing (4) between the first surface of the piston (14) and an inner surface of the brake cylinder housing (4). The hydraulic chamber (11) is configured for being selectively fluidly connected with the wheel brakes.

Abstract: A friction brake system comprises a first gear unit having a first member and a second member, the first gear unit is configured for converting a rotary motion of the first member into a braking motion of the second member, the first member is configured such that the rotary motion may be driven by an electric motor, the brake system further comprises a second gear unit having a spindle and nut for converting a rotary motion into a linear motion for pad wear compensation, the spindle is connectable to a brake pad, the second member of the first gear unit and the nut of the second gear unit are or may be mechanically coupled such that, during the braking motion, the second member of the first gear unit pushes against the nut of the second gear unit to press the brake pad against a friction surface.

Abstract: A holding assembly for securing a flange part which is provided on a braking device on an bulkhead of a motor vehicle, which bulkhead divides an engine compartment from a vehicle interior, wherein a holding plate is fastened on the side of the bulkhead facing the engine compartment and is provided with a form-locking connection that engages with the flange part.

Abstract: The present application relates to a friction brake system (1) for a vehicle. The friction brake system (1) comprises a braking member (12) connectable to at least one brake pad and configured for pressing the brake pad against a friction surface. The system (1) further comprises a transmission unit (2) configured for converting a rotary motion generated by an electric motor (30) into a braking motion of the braking member (12). The transmission unit (2) comprises a ball-in-ramp assembly (3) having a first plate (9) with at least one groove (23), a second plate (10) with at least one groove (22) facing the groove (23) of the first plate (9), and at least one ball (11) arranged between the first plate (9) and the second plate (10). The ball (11) is retained by the groove (23) of the first plate (9) and the groove (22) of the second plate (10).

Abstract: A brake pressure control unit for a motor vehicle brake system, having an electric motor, the rotational movement of which is transformed by a ball screw drive into a translational movement of a piston, in order for it to be possible to build up a defined brake pressure in a wheel brake independently of the actuation of a brake master cylinder. The electric motor is received in a first housing and the piston is received in a second housing which is arranged diametrically with respect to the first housing, and a third housing with two diametrical end surfaces is arranged between the first and the second housing, on which end surfaces the first and the second housing are fixed.

Abstract: An electrohydraulic motor vehicle control device, in particular for a motor vehicle brake system, includes a hydraulic unit with electrically activated valves, an electronic control unit which includes a first printed circuit board with electric and/or electronic components for actuating the valves, and an electric motor for driving an electrically controllable, hydraulic pressure source, wherein electric and/or electronic components, in particular power electronics components for actuating the electric motor are arranged on a second printed circuit board which is arranged separately from the electronic control unit.

Abstract: A brake pressure control unit for a motor vehicle brake system, having an electric motor, the rotational movement of which is transformed by a ball screw drive into a translational movement of a piston, in order for it to be possible to build up a defined brake pressure in a wheel brake independently of the actuation of a brake master cylinder. The electric motor is received in a first housing and the piston is received in a second housing which is arranged diametrically with respect to the first housing, and a third housing with two diametrical end surfaces is arranged between the first and the second housing, on which end surfaces the first and the second housing are fixed.

Abstract: It is the intention for a linear unit (7) for imparting an axially acting force, having a rotational-translational gear (8), in particular a ball screw, which has a threaded spindle (1) and a threaded nut (2), and having a force transmission element (3), which is in particular in the form of a thrust rod or thrust tube, to be improved such that fewer components are required and the assembly of the linear unit is kept as simple as possible. For this purpose, the threaded nut (2) and the force transmission element (3) are connected to one another by means of a positively locking, in particular play-free connection, in particular by means of clinching.

Abstract: The invention relates to an electrically controllable pressure provision device (5, 5?), particularly for a hydraulic motor-vehicle brake system, comprising a stepped bore (54), which is arranged in a housing (53,21), and a piston (51), which can be actuated by an electromechanical actuator (35, 36). The piston (51), together with the housing (53, 21), delimits a pressure chamber (50). The piston (51) is constructed as a stepped piston, the smaller-diameter piston step (51?) of which enters the smaller-diameter step (54?) of the stepped bore after a specified actuation of the stepped piston, such that the pressure chamber (50) is subdivided into a first pressure chamber (55) and a second pressure chamber (56). The invention further relates to a brake system for motor vehicles having such a pressure provision device.

Abstract: A retaining assembly for fixing a flange part, which is provided on a braking device, to a firewall of a motor vehicle, the firewall separating an engine chamber from a vehicle interior. A retaining plate is secured to the firewall face facing the engine chamber, and the flange part and the retaining plate are engaged with each other by both a form-fitting as well as force-fitting connection.

Abstract: A retaining assembly for fixing a flange part, which is provided on a braking device, to a firewall of a motor vehicle, the firewall separating an engine chamber from a vehicle interior. A retaining plate is secured to the firewall face facing the engine chamber, and the flange part and the retaining plate are engaged with each other by both a form-fitting as well as force-fitting connection.

Abstract: The invention relates to an electrically controllable pressure provision device (5, 5?), particularly for a hydraulic motor-vehicle brake system, comprising a stepped bore (54), which is arranged in a housing (53,21), and a piston (51), which can be actuated by an electromechanical actuator (35, 36). The piston (51), together with the housing (53, 21), delimits a pressure chamber (50). The piston (51) is constructed as a stepped piston, the smaller-diameter piston step (51?) of which enters the smaller-diameter step (54?) of the stepped bore after a specified actuation of the stepped piston, such that the pressure chamber (50) is subdivided into a first pressure chamber (55) and a second pressure chamber (56). The invention further relates to a brake system for motor vehicles having such a pressure provision device.

Abstract: A holding assembly for securing a flange part which is provided on a braking device on an bulkhead of a motor vehicle, which bulkhead divides an engine compartment from a vehicle interior, wherein a holding plate is fastened on the side of the bulkhead facing the engine compartment and is provided with a form-locking connection that engages with the flange part.

Abstract: It is the intention for a linear unit (7) for imparting an axially acting force, having a rotational-translational gear (8), in particular a ball screw, which has a threaded spindle (1) and a threaded nut (2), and having a force transmission element (3), which is in particular in the form of a thrust rod or thrust tube, to be improved such that fewer components are required and the assembly of the linear unit is kept as simple as possible. For this purpose, the threaded nut (2) and the force transmission element (3) are connected to one another by means of a positively locking, in particular play-free connection, in particular by means of clinching.