An electro-hydraulic brake system includes a master cylinder (MC) fluidly coupled to an MC fluid passageway and configured to supply fluid into the MC fluid passageway in response to pressing force on a brake pedal. A pressure supply unit (PSU) includes an electric motor and a PSU piston disposed within a piston bore, the PSU piston is movable through the piston bore by the electric motor and divides the piston bore into a first chamber and a second chamber. A pedal feel emulator (PFE) includes a PFE piston movable through a PFE bore and separating an upper chamber from a lower chamber. Fluid is conveyed from the lower chamber of the PFE to the second chamber of the PSU in response to a compression of the PFE. The MC fluid passageway provides a fluid path from the master cylinder into the upper chamber of the PFE.

Methods and systems are provided for providing vacuum to a brake booster via an aspirator system. In one example, a system may include an aspirator system fluidly coupled with a brake booster with no intervening components located therebetween.

Methods and systems are provided for providing vacuum to a brake booster via an aspirator system. In one example, a system may include an aspirator system fluidly coupled with a brake booster with no intervening components located therebetween.

A brake unit (1) includes: a master cylinder (2) unit which is fixed to a vehicle body, and which includes a master cylinder (2b) that is received within a first housing (20), and that is arranged to be interlocked with a brake pedal; and a pump unit (3) which is arranged to be driven by a motor (3), and which includes a second housing (30) within which a pump arranged to increase a wheel cylinder pressure is received, the master cylinder unit (2) and the pump unit (3) being integrally fixed through a mount (6) which is an elastic member.

A brake unit (1) includes: a master cylinder (2) unit which is fixed to a vehicle body, and which includes a master cylinder (2b) that is received within a first housing (20), and that is arranged to be interlocked with a brake pedal; and a pump unit (3) which is arranged to be driven by a motor (3), and which includes a second housing (30) within which a pump arranged to increase a wheel cylinder pressure is received, the master cylinder unit (2) and the pump unit (3) being integrally fixed through a mount (6) which is an elastic member.

Methods and systems are provided for providing vacuum to a brake booster via an aspirator system. In one example, a system may include an aspirator system fluidly coupled with a brake booster with no intervening components located therebetween.

Methods and systems are provided for providing vacuum to a brake booster via an aspirator system. In one example, a system may include an aspirator system fluidly coupled with a brake booster with no intervening components located therebetween.

A controller for monitoring an air system in a vehicle comprises an input for receiving at least one pressure signal indicative of an air pressure in an air system an output for transmitting an alert to a vehicle operator; and control logic. The control logic is capable of determining an instant cut out time indicative of the time for the at least one air pressure signal to reach a cut out pressure value from a cut in pressure value; determining a difference between the instant cut out time to an average cut out time; and transmitting a leakage alert at the output in response to the instant cut out time being greater than or equal to a predetermined difference from the average cut out time. The control logic is also capable of changing the compressor operation in response to the alert.

A compressed air supply installation for operating an air suspension installation of a vehicle includes an air supply unit configured to supply air, an air compression unit configured to compress air, a bleeding line, and a compressed air supply line. The bleeding line includes a bleeding valve arrangement in the form of a controllable solenoid valve arrangement comprising a magnetic part and a pneumatic part actuatable directly via the magnetic part, and a bleeding port for bleeding air. The compressed air supply line includes an air dryer, and a compressed air port for supplying the pneumatic installation with compressed air. The pneumatic part is open in an unactivated state of the magnetic part of the solenoid valve arrangement. The pneumatic part is open in a branch line of the compressed air supply line between a pressure-side valve port and a control-side valve port of the branch line.

An electrohydraulic brake control device (200) for a motor vehicle for at least four hydraulically actuatable wheel brakes (8a-8d), said brake control device comprising an electrically actuatable pressure source (2), an electrically actuatable inlet valve (6a-6d) for each wheel brake, an electrically actuatable outlet valve (7a-7d) for each wheel brake, and a brake supply line (13), to which the at least four inlet valves (6a-6d) are connected, wherein an electrically actuatable circuit separation valve (40) is arranged in the brake supply line (13) in such a way that, when the circuit separation valve (40) is closed, the brake supply line (13) is hydraulically separated into a first line section (13a) and a second line section (13b), wherein the brake control device (200) comprises at least four hydraulic wheel ports (9a-9d) for connection to the wheel brakes (8a-8d), wherein the brake control device (200) comprises a first hydraulic port (62) for connection to a pressure medium reservoir (4) and a second hydraulic port (61) for connecting a further pressure source (5) to the brake control device (200), wherein the first line section (13a) of the brake supply line (13) is hydraulically connected to the electrically actuatable pressure source (2) and at least two of the at least four inlet valves (6a, 6b), and the second line section (13b) of the brake supply line (13) is hydraulically connected to the second hydraulic port (61) and the other of the at least four inlet valves (6c, 6d), and a brake system for a motor vehicle comprising such a brake control device (200).