PNEUMATIC PART OF BRAKE SYSTEM OF HEAVY-WEIGHT RAIL CAR Russian patent published in 1994 - IPC

FIELD: railway transport. SUBSTANCE: pneumatic part of heavy-weight rail car has brake cylinder, stand-by reservoir, main line connected in middle part with disconnecting cock by means of t-pipe-bracket. Angle cocks are mounted on its ends. Novelty in design of pneumatic part is use of protective devices made up of bellows made fast in air line by means of threaded joints. Novelty is also use of additional non-return valve on air line connecting main line and stand-by reservoir which cuts down reservoir charging time. EFFECT: reduced air leakage from car brake system, enhanced efficiency of heavy-weight car brakes. 2 cl, 2 dwg