A valve arrangement for a trailer brake module in a monoblock housing includes an input for a brake supply pressure, an input for a brake control pressure, and an output for supplying a brake pressure to braking devices on a trailer. The valve arrangement includes a relay valve, and includes control solenoids which are arranged substantially transversely to the direction of motion of the relay valve piston.

For fastening an mounting part to a hydraulic block of a hydraulic power unit of a hydraulic power vehicle braking system, holes are configured in a fastening flange of the mounting part with collars, which are clampingly inserted in mounting holes of the hydraulic block. A perforated disk is situated on the fastening flange as a fastening part and is fastened by screws screwed into the mounting holes of the hydraulic block.

An electro-pneumatic two-channel axle modulator (1) for utility vehicles has a first supply port (2) for connecting a first compressed air supply (3) and a second supply port (4) for connecting a second compressed air supply (5), a front axle channel port (6), a rear axle channel port (8), an electro-pneumatic front axle valve assembly (10) connected to the first supply port (2) for controlling a front axle brake pressure (pVA) at the front axle channel port (6), and an electro-pneumatic rear axle valve assembly (12) connected to the second supply port (4) for controlling a rear axle brake pressure (pHA) at the rear axle channel port (8). A first redundancy valve assembly (14) is connected to the second supply port (4) for controlling a redundant front axle brake pressure (pVAR) at the front axle channel port (6).

In a hydraulic unit, which is for a hydraulic brake system, that has a hydraulic block and at least one valve device, the valve device includes a hydraulic cartridge with a valve seat and with a movable closing body for blocking and opening the valve seat, and a magnet assembly with a magnet coil for generating a magnetic force for moving the closing body. The magnet assembly is integrated into the hydraulic block, and the valve device has a permanent magnet in order to assist the movement of the closing body by means of magnetic force.

An electric component assembly includes a housing with which an electric component is fitted, and the electric component and the housing are fixed to one surface of a base body. The electric component includes a connection terminal press-fitted to a through-hole (201a) of a board provided in the housing, and an insertion direction of the connection terminal into the through-hole is a fitting direction of the electric component with the housing. The electric component assembly includes a rib which is protrudingly provided on either one of an outer surface of the electric component intersecting the fitting direction and an inner surface of the housing facing the outer surface, and a groove portion which is provided as a recess on another one of the surfaces and the rib is inserted into; and a protrusion that abuts onto the rib is provided on an inner surface of the groove portion.

A hydraulic unit of an electronic control brake system is disclosed. The hydraulic unit of the electronic control brake system includes a modulator block having a plurality of accommodating bores in which a plurality of valves and pressure sensors coupled to a master cylinder to control braking hydraulic pressure supplied towards vehicle wheels are installed. Passages connecting between the accommodating bores are formed in the modulator block, and the passages are formed to be divided into two layers.

A hydraulic control device includes: a plurality of coil assembles each including a coil bobbin, and a yoke which has a cylindrical shape, and which receives the coil bobbin; a case including a bottom wall, and receiving the coil assemblies arranged on one side of the bottom wall; a wall portion protruding from an end surface of the coil bobbin in an axial direction of the coil bobbin, within a projection surface obtained by projecting an outer shape of the yoke in the axial direction of the coil bobbin; a first engagement portion provided to the wall portion; and a second engagement portion provided to the case, and arranged to be engaged with the first engagement portion.

An electrohydraulic motor vehicle control device, in particular for a motor vehicle brake system, including a hydraulic unit with electrically activated valves and a brake-pedal-activated master brake cylinder, an electronic control unit which comprises a first printed circuit board with electrical and/or electronic components for actuating the valves, and an electric motor for driving an electrically controllable, hydraulic pressure source which is arranged on a first side face of the hydraulic unit, wherein a second printed circuit board is provided which is arranged in a region of the first side face of the hydraulic unit, wherein a first sensor element for sensing activation of a brake pedal is arranged on the second printed circuit board.

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.

An electropneumatic pilot unit for controlling a pneumatic consumer is provided herein. The pilot unit comprises at least two electromagnetic pilot valves. Each of the electromagnetic pilot valves comprises a coil for producing a magnetic flux along a valve axis, an armature which can be moved in the axial direction of the valve axis, a valve seat which can be closed and opened by the armature, and a pneumatic inlet port and a pneumatic outlet port. At least two of the pilot valves lie next to each other with parallel valve axes. Each pilot valve has a port which protrudes towards a common underside for connection to a pilot chamber of the consumer controlled by the pilot valves.