INDIRECTLY ACTING COMPRESSED AIR BRAKE

摘要

1. A driver's brake-valve for an indirectly-acting compressed-air brake comprising : A pressure controller (15), a main control valve (13) and a device for generating a low-pressure overload which have an auxiliary piston (33) connected with said main control valve (13) and a valve (37) loading the auxiliary piston (33) characterised in that a separate vent valve (41) is arranged for cancelling the load on the auxiliary piston (33) when braking.