Brake assurance circuit operative in response to a low brake...

Details Brake assurance circuit operative in response to a low brake... Brake assurance circuit operative in response to a low brake...

B - Operations, Transporting

60

T

303/46

B60T 17/00 (2006.01) B60T 15/52 (2006.01)

Patent

CA 2014422

ABSTRACT OF THE DISCLOSURE A low brake pipe pressure detecting circuit for a railway train is provided in conjunction with a conventional vent valve device typically associated with the locomotive brake valve device to exhaust the train brake pipe pressure and thereby effect an emergency brake application. Conventional pneumatic pilot valve devices are interconnected with the vent valve device to actuate the vent valve device only for a limited duration following which the pilot valves are automatically reset to effect closure of the vent valve device preparatory to recharging brake pipe pressure to obtain a subsequent brake release.

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