Electro-pneumatic freight brake control system

Details Electro-pneumatic freight brake control system Electro-pneumatic freight brake control system

1996-05-29

1997-09-23

Graham, Matthew C.

Fluid-pressure and analogous brake systems

Load control

Failure responsive

303 15, 303 226, B60T 818

Patent

active

056696744

ABSTRACT:
An electro-pneumatic brake control system for a railroad car including application and release solenoid valves having a fail-safe configuration in which full emergency brake pressure is delivered in the event of a power loss due to a train break-in-two for example. The present invention discloses a pressure limiting valve for the purpose of limiting the maximum pressure capable of being delivered in accordance with the existing car load weight sensed by an electric load sensor at the time a bower loss is experienced.

REFERENCES:
patent: 4682823 (1987-07-01), Hommen et al.
patent: 5332297 (1994-07-01), Cunkelman et al.

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