PRESSURE CONTROL VALVE FOR CARGO VEHICLE AIR PREPARATION SYSTEM Russian patent published in 2020 - IPC B60T13/26 

FIELD: valves.

SUBSTANCE: invention relates to pressure control valve (A) for an air preparation system of a cargo vehicle with housing (75), with at least one connector (53, 54) for compressed air and with at least one first pressure adjustment chamber (65), in which connector (53, 54) for compressed air is introduced, wherein pressure control chamber (65) has variable volume, which is limited at least, one section of housing wall (75) and first pneumatic working surface (78) movable in housing (75) of pressure control piston (62), further providing first adjustment channel (64), which in at least one first position of pressure control piston (62) is disconnected from pressure control chamber (65), and in at least one second position of pressure adjustment piston (62) is connected to pressure control chamber (65), wherein pressure adjustment piston (62) further comprises pin (79), which rises from first pneumatic working surface (78) of pressure adjustment piston (62), and at its end is second pneumatic working surface (80), wherein pivot (79) with pneumatic sealing with the possibility of movement passes through the wall section.

EFFECT: disclosed is pressure control valve for cargo air preparation system of cargo vehicle.

13 cl, 5 dwg