Vehicle braking control apparatus

Fluid-pressure and analogous brake systems – Releasing – Control pipe

Patent

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Details

303 38, 303 61, B60T 1704

Patent

active

040700682

ABSTRACT:
A valve arrangement is provided for giving a continuous quick service facility in a triple valve controlling rail vehicle brakes in response to brake pipe pressure reductions. The arrangement comprises a pressure responsive member which responds to more than a predetermined brake pipe pressure reduction in relation to a reference pressure to operate a pulsator which discharges repetitive pulses of air from the brake pipe for as long as the pressure reduction persists.

REFERENCES:
patent: 1895453 (1933-01-01), Down
patent: 2032120 (1936-02-01), Farmer
patent: 2048327 (1936-07-01), Farmer
patent: 3716276 (1973-02-01), Wilson et al.

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