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

FIELD: railway transport; brake systems. SUBSTANCE: electric air distributor has two-pressure member with movable partition, three-pressure secondary member with two movable partitions coupled by rod. Volumes of chamber of three-pressure secondary member communicating with atmosphere and working chamber, and area of movable partitions of three-pressure secondary member are found from relationship where V_c- is volume of chamber of three-pressure secondary member communicating with atmosphere; V_w- is volume of working chamber; F_c is area of movable partition of three-pressure secondary member F_w is area of movable partition of three-pressure secondary member separating control chamber from working chamber. EFFECT: improved reliability of operation. 2 cl, 1 dwg