Apparatus for detecting hot journal boxes

Details Apparatus for detecting hot journal boxes Apparatus for detecting hot journal boxes

1974-05-20

1976-02-10

Blix, Trygve M.

Railway switches and signals

Cab signal or train control

Train defect

1161145, B61K 906

Patent

active

039374297

ABSTRACT:
A system for each car of a railway train for detecting a hot journal box or boxes on the car by utilizing the heat of the overheated journal box to produce electrical current which, when a sufficient degree is transmitted through appropriate electrical devices to an explosive bolt placed in the brake pipe, causes the bolt to be exploded and thereby open a vent in the brake pipe to atmosphere to effect a brake application on the train. The sound of the escaping air from the brake pipe is used to determine the particular car on which the overheated journal box is located.

REFERENCES:
patent: 2429817 (1947-10-01), Jones
patent: 2628344 (1953-02-01), Johnson et al.
patent: 3248539 (1966-04-01), Strandt et al.
patent: 3756665 (1973-09-01), Ryan

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