Abstract: An apparatus having a housing, a cavity which is disposed in the housing and which at least in regions is configured as a bore in which at least one piston and one piston spring associated with the piston are received, wherein the piston spring in the bore when activating the piston in the operation of the apparatus is compressed by the piston. The piston spring is configured from a magnetic or magnetizable material, the piston is configured from a non-magnetic material, and an assembly unit which comprises the piston having the piston spring is provided, and in which the piston spring is held on the piston by a magnetic field.

Abstract: A hydraulic unit for generating brake pressure for a hydraulic brake system, comprising a housing which is produced from a cast blank, wherein the cast blank has at least one receiving cavity which is provided for machining to form a receiving profile for sealingly receiving a connecting piece, which is connected to a fluid container and can be plugged into the receiving profile along a plug-in axis, wherein the housing comprises at least one piston bore for receiving at least one piston, which is driven along a piston bore axis into the cast blank.

Abstract: A hydraulic assembly for generating brake pressure for a hydraulic brake system, comprising a housing which is produced from a cast blank, having at least one receiving cavity for receiving a connector piece which is connected to a fluid container and which can be plugged along a plug-in axis (S) into the receiving cavity. The cast blank has, in the receiving cavity, at least one substantially planar surface, the normal vector (N) of which is oriented at an oblique inclination angle (W) with respect to the plug-in axis (S).

Abstract: A hydraulic assembly for generating brake pressure for a hydraulic brake system, comprising a housing which is produced from a cast blank, having at least one receiving cavity for receiving a connector piece which is connected to a fluid container and which can be plugged along a plug-in axis (S) into the receiving cavity. The cast blank has, in the receiving cavity, at least one substantially planar surface, the normal vector (N) of which is oriented at an oblique inclination angle (W) with respect to the plug-in axis (S).

Abstract: An apparatus having a housing, a cavity which is disposed in the housing and which at least in regions is configured as a bore in which at least one piston and one piston spring associated with the piston are received, wherein the piston spring in the bore when activating the piston in the operation of the apparatus is compressed by the piston. The piston spring is configured from a magnetic or magnetizable material, the piston is configured from a non-magnetic material, and an assembly unit which comprises the piston having the piston spring is provided, and in which the piston spring is held on the piston by a magnetic field.

Abstract: A hydraulic unit for generating brake pressure for a hydraulic brake system, comprising a housing which is produced from a cast blank, wherein the cast blank has at least one receiving cavity which is provided for machining to form a receiving profile for sealingly receiving a connecting piece, which is connected to a fluid container and can be plugged into the receiving profile along a plug-in axis, wherein the housing comprises at least one piston bore for receiving at least one piston, which is driven along a piston bore axis into the cast blank.

Abstract: A main brake cylinder, for use within an electronic braking system for motor vehicles, having a device for contactless monitoring of a position of a piston that can be linearly moved along a piston axis. The device includes a movable element and a sensor unit. The sensor unit is fixedly arranged on a housing of the main brake cylinder and is connected to an electronic evaluation unit for processing signals from the device. According to the invention, in order to further increase function precision, to lower manufacturing expenditure, number of components, and costs, to reduce overall length, and to improve calibration options, a magnetic field is realized such as to be emittable from the sensor unit, and a yoke is dedicated to the piston for position-dependently changing the magnetic field such that the change can be detected by the sensor unit.

Abstract: A main brake cylinder, for use within an electronic braking system for motor vehicles, having a device for contactless monitoring of a position of a piston that can be linearly moved along a piston axis. The device includes a movable element and a sensor unit. The sensor unit is fixedly arranged on a housing of the main brake cylinder and is connected to an electronic evaluation unit for processing signals from the device. According to the invention, in order to further increase function precision, to lower manufacturing expenditure, number of components, and costs, to reduce overall length, and to improve calibration options, a magnetic field is realized such as to be emittable from the sensor unit, and a yoke is dedicated to the piston for position-dependently changing the magnetic field such that said change can be detected by the sensor unit.

Abstract: The present invention relates to a position indicator for displaying the position of a piston within a cylinder as part of a piston-and-cylinder assembly in a brake system. The provision of a Hall element for a hydraulic generating cylinder is known in the art, with the Hall sensor mounted on the cylinder and a ring magnet mounted on the piston. An object of the invention is to describe a position indicator for a brake system, which has a simple construction and is able to provide signals relating to the position of the brake pedal relatively rapidly. This object is achieved because a Hall element of a Hall sensor is placed in the cylinder wall of the master cylinder, and because a magnetic zone is arranged in the piston-and-cylinder assembly so that the Hall element responds to the piston movement within the cylinder.

Abstract: In a vacuum brake booster of a vehicle braking system, comprising a vacuum housing that is subdivided by at least one movable partition into at least one vacuum chamber and at least one working chamber, comprising a sensor unit adapted to sense the pressure in the vacuum chamber and the pressure in the working chamber or the difference in pressure between the working chamber and the vacuum chamber, an electronic control unit is associated with the vacuum brake booster and includes an evaluation unit for the purpose of evaluating the sensed pressures in the vacuum chamber and the working chamber or the difference in pressure between the working chamber and the vacuum chamber. The electronic control unit includes an actuation unit for the purpose of actuating an active hydraulic brake force boosting unit on the basis of the evaluation by the evaluation unit.

Abstract: The present invention relates to a position indicator for displaying the position of a piston (3) within a cylinder (1) as part of a piston-and-cylinder assembly (1, 3) in a brake system. The provision of a Hall element for a hydraulic generating cylinder is known in the art, with the Hall sensor mounted on the cylinder and a ring magnet mounted on the piston. An object of the invention is to describe a position indicator for a brake system, which has a simple construction and is able to provide signals relating to the position of the brake pedal relatively rapidly. This object is achieved because a Hall element of a Hall sensor (12) is placed in the cylinder wall (1) of the master cylinder, and because a magnetic zone (9) is arranged in the piston-and-cylinder assembly so that the Hall element responds to the piston movement within the cylinder.