Empty/load brake control system

Details Empty/load brake control system Empty/load brake control system

1984-12-17

1986-04-22

Reger, Duane A.

Fluid-pressure and analogous brake systems

Inertia control

B60T 820

Patent

active

045837902

ABSTRACT:
An empty/load brake control system for a railway freight car comprising a pair of load sensors and a proportional valve to proportion the brake cylinder delivery pressure when an "empty" load condition of the car is sensed. The load sensor valves are piped in series to control the proportioning valve so that both load sensors must detect an "empty" load condition to pilot the proportional valve. In this sense, a false load reading toward an "empty" load condition due to car rocking is prevented from occurring, by mounting the respective load sensors directly opposite each other on different sides of the railway car.

REFERENCES:
patent: 3671086 (1972-06-01), Scott
patent: 4417767 (1983-11-01), Billeter
Westinghouse Air Brake Instruction Pamphlet AB--7 5/8-12, Automatic Empty and Load Freight Car Brake Equipment, No. 5062-5, Dec. 1963.

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