Automatic air brake systems with accelerated exhaustion of the b

Details Automatic air brake systems with accelerated exhaustion of the b Automatic air brake systems with accelerated exhaustion of the b

1988-06-23

1989-08-08

Reger, Duane A.

Fluid-pressure and analogous brake systems

Releasing

Motor

303 81, B60T 1552

Patent

active

048546470

ABSTRACT:
An automatic air brake system for accelerating the exhaustion of the pressure in the brake line of a train for more rapidly applying the brakes on all the railway vehicles. A flow rate detector connected to the brake line of the locomotive to detect the flow of air in the brake line. A pilot chamber of a relay valve is supplemented when a flow signal from the flow rate detector exceeds a predetermined value and the supplementation is stopped when the flow rate drops below a predetermined value. The pilot chamber is exhausted in response to a brake application command and is pressurized in response to a brake release command. The relay valve includes an output chamber which is connected to the brake line of the locomotive, and the brake line pressurizes and exhausts the output chamber in response to the pressurization and exhaustion of the pilot chamber.

REFERENCES:
patent: 3966269 (1976-06-01), McEathron
patent: 4145090 (1979-03-01), Hart
patent: 4449759 (1984-05-01), Eder
patent: 4679863 (1987-09-01), Ikeda et al.

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