The invention relates to a vacuum device for a pneumatic brake force amplifier, which is arranged between the brake force amplifier and a vacuum source and contains at least one vacuum line with at least one check valve (1), wherein the check valve (1) com...

A safety apparatus for a brake of a vehicle is provided. The safety apparatus for a brake of a vehicle includes a first line and a second line. The first line includes an exhaust manifold 1, an engine 2, an intake manifold 3, a check valve 4, a vacuum hose...

A vehicle control device 1, that controls to suppress a driving force of a vehicle based on an operation of a brake pedal 60 operated when a braking force is generated by a braking device 40, wherein the brake pedal 60 is connected to a brake booster 44, t...

The method involves monitoring the pressure state that is characteristic for the operation functionality of a power brake (1). The internal combustion engine (9) is so controlled by a motor controller (10) that the pressure in the power brake is decreased ...

A method of controlling hydraulic shift clutch actuators in an automatic speed change power transmission of the type having an electronic controller (TCU) for energizing a solenoid operated valve to control each hydraulic clutch actuator. A pressure sensor...

The invention relates to a method for controlling vacuum in an intake conduit (4) of a combustion engine in a vehicle, which vehicle is provided with a brake booster (19) and means (16) for actuating the brake booster (19), whereby actuation of the brake b...