RAIL VEHICLE BRAKE ELECTRIC AIR DISTRIBUTOR Russian patent published in 1997 - IPC

FIELD: railway transport; brake systems; electric and pneumatic control of brake. SUBSTANCE: electric air distributor has three-pressure member with housing provided with movable partitions and valves forming spaces, pressure relays, braking duty selector, braking and brake release electromagnetic valves, stepless release unit, initial pressure jump unit, brake main line additional discharge device, brake main line additional discharge stop member with spring-loaded movable partitions and valves, space above spring-loaded movable partition being placed in communication with brake chamber through channel. Stepless release unit has movable partition with valve, fixed partition and chamber and channels connecting space of brake chamber of three-pressure member with brake main line additional discharge stop member. Space of brake chamber of three-pressure member is coupled with brake chamber by wide section channels through brake main line additional discharge stop member. EFFECT: enhanced reliability of operation. 3 cl, 1 dwg