The invention relates to a multi-circuit protection valve assembly (2), comprising, attached to or integrated into a main housing (2b), an air inlet; main outlets (6); main supply lines; and main overflow valves for protecting the main outlets (6), wherein...

The level-regulating valve unit (8) has a supply terminal (6,7) and an electrical connector (17,18), through which a control signal is transmitted for a purely electrical level control, where an electrically controlled or pilot operated valve and integrate...

Process for raising the pressure of a gas comprises compressing the gas using a compressor (1) in a first storage unit (A) in a first phase, and compressing the gas with the same compressor from the first storage unit in a second storage unit (B) in a seco...

A vehicle height adjustment system operable to start vehicle height adjustment control even when an air suspension air tank (4) is empty or sufficient air is not left therein includes a compressor (21) which produces compressed air, a control valve (8) whi...

The pneumatic spring has a cover (2), a rolling bellows and a piston that commonly enclose a variable pneumatic spring interior. The cover consists of two aligned shells (2a,2b) with an intermediate extra volume (4). The connecting point between the two sh...

The noise damping device (12) is provided as a pneumatic coupling device (6) between the atmosphere (11) and the input (8) of an air filter (7) preceding the pressurized air generator (23) for a pneumatic suspension system which has an electrically-driven ...

The device has at least two connections, a coil (3) and an armature (4) moving in the coil connected to a valve body (9) controlled by armature movement relative to at least one valve seat (8), whereby the armature is relieved of pressure according to the ...

The vehicle has an air sprung driven rear axle (1) with an associated air sprung leading or trailing axle (2) and an air spring circuit (3.4) with an air spring bellows (3/1,3/2,4/1,4/2,5/1,6/1) per axle dimensioned according to the corresponding technical...