Electropneumatic brake for rail vehicles

Details Electropneumatic brake for rail vehicles Electropneumatic brake for rail vehicles

1979-01-11

1981-05-05

Blix, Trygve M.

Fluid-pressure and analogous brake systems

Multiple systems

Fluid pressure and electric

303 22A, B60T 1374

Patent

active

042654890

ABSTRACT:
In an electropneumatic brake a relay valve is connected between a source of pressure fluid and a brake cylinder which may be spring-loaded or direct acting in order to regulate the pressure in the brake cylinder. An emergency brake valve is connected to a means for producing a brake signal to shut off a faulty brake signal and actuated in the absence of a vehicle load responsive signal. A pressure control valve is connected to the emergency brake valve, to relay valve and to a device for producing a vehicle load-responsive signal in order to control a load-responsive pressure in the brake cylinder in such a manner that in the absence of a vehicle load-responsive signal and upon actuation of the emergency brake valve full braking is applied by the brake cylinder independent of the vehicle load.

REFERENCES:
patent: 3730597 (1973-05-01), Pickert
patent: 4073541 (1978-02-01), Nagase

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