Railroad car derailment safety device

Details Railroad car derailment safety device Railroad car derailment safety device

1992-03-09

1993-02-23

Peters, Jr., Joseph F.

Railway rolling stock

Trucks

Supplemental skids

105217, 104242, 188 34, 188151A, 303 1, B60T 1700

Patent

active

051880385

ABSTRACT:
The present invention features a safety device that activates the air-brake system immediately upon the detection and/or occurrence of a railroad car derailment condition. The safety device includes a bar entension disposed beneath each car of a train. The extension bar is disposed transverse to the parallel rails and is positioned a few (approximately four) inches above them. When any one of the cars is caused to derail, the extension bar contacts the rail, causing a trip valve in the air-brake line to open. The opening of the trip valve gradually releases the air pressure in the line, thus automatically and instantaneously actuating the air-brake system throughout the train. The gradual release of the air pressure in the air-brake system provides more time for the engineer of the train to bring the train under control and reduces the possibility of damage and injury caused by the derailment.

REFERENCES:
patent: 895935 (1908-08-01), Andrew
patent: 1462254 (1923-07-01), Votau
patent: 3535511 (1970-10-01), Foster
patent: 3645211 (1972-02-01), Gretzschel
patent: 3881672 (1975-05-01), Gittard
patent: 4269288 (1981-05-01), Collins
patent: 4339997 (1982-07-01), Chiles

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