RAIL VEHICLE BRAKE SYSTEM Russian patent published in 1997 - IPC

FIELD: railway transport; traction vehicles. SUBSTANCE: pneumatic system has brake valve and auxiliary brake valve communicating through interlock device with supply, brake and auxiliary brake main lines. Air distributor communicates with brake main line, stand-by reservoir and pulse main line of auxiliary brake valve. Automatic stop electropneumatic valve communicates through supply tap with supply main line and by main line tap through cutoff cock, with brake main line. Maximum pressure valve connects supply main with input of electric interlock valve. Output of electric interlock valve communicates with out of inputs of selector valve, second input of which being connected with auxiliary brake main line, and output, with brake cylinder main line. Coil of electric interlock valve gets excited by contact member coupled with shaft of interlock device handle. Control input of electric interlock valve communicates with main line tap of automatic stop electropneumatic valve. EFFECT: enhanced reliability of braking. 1 dwg