SAFETY BRAKE VALVE PNEUMATIC BYPASS UNIT Russian patent published in 2023 - IPC B60T13/66 

FIELD: railway transport; subway.

SUBSTANCE: invention relates to the brake system of a multi-unit rolling stock with an automatic electro-pneumatic brake. The unit includes a plate, on which a pressure limiting valve and a safety circuit recovery valve are installed, on the body of which a shunt valve and a safety brake valve are installed, the input of which is connected by a pneumatic line L1 to the pneumatic line of the auto mode, and the output by a pneumatic line L2 is connected to the inlet of the bypass valve and the control input of the safety circuit recovery valve, the shunt valve output is connected by a pneumatic line L3 to the control chamber of the pressure switch, one control input of the shunt valve is connected to the safety circuit restoration valve output by a pneumatic line L4, the other control input of the shunt valve is connected by a pneumatic line L6 to the pressure limiting valve output, the input of which is connected to the brake line by a pneumatic line L5.

EFFECT: increase in the reliability and safety of the braking system of the rolling stock of the railway transport and the subway.

1 cl, 2 dwg