The invention relates to a brake valve (1) comprising a housing (6) a supply connection (8), a working connection (10), an exhaust portion (12) and a valve member (24) slidable from an exhaust position (28) to an open position (30). The working connection ...

The present disclosure provides an auxiliary air cylinder inflation system and an air brake system for an express freight train, and relates to the field of air brake systems, aiming to improve the problem that the auxiliary air cylinder inflation is subje...

The invention relates to a parking brake device for a vehicle, preferably for a commercial vehicle, comprising at least one spring accumulator brake cylinder (3); an electrically controllable first valve device (4) which is designed to initiate venting and...

The invention relates to a method (102) for operating an electrically operable parking brake system (100) of a vehicle (104) comprising a towing vehicle (106), wherein an execution of a trailer test function is initiated by applying the electrically operab...

The invention relates to a method for leakage detection in a compressed air system (299) of a motor vehicle (100; 110), which system is continuously pressurised during operation and comprises a plurality of circuits (K1-K5), some of which may be referred t...

An improved braking system and brake control method for a vehicle, in particular a truck, utilizes at least one pressure line for carrying a medium from at least one pressurized medium source to a brake device, and a brake pedal for receiving brake command...

A sealing assembly and method of manufacturing a sealing assembly for a spring brake actuator having a dynamic center seal for sealing a first surface to a second surface. The sealing assembly has dynamic sealing elements that seal in a smooth hole or bore...

The pneumatic pilot-controlled trailer control module (1) has a pneumatic brake circuit with a back-up valve (7), which is controlled by an electronic control unit (13). The backup valve stays in connection with the two control chambers on the outlet side ...

The compressed air supply device has a compressor (1) and supply line (2) leading from compressor to air drier (3). A second supply line (9) branches off from the first line immediately after the compressor to the air drier and is opened by an overflow val...