On board hot bearing detector system with fault detection

Details On board hot bearing detector system with fault detection On board hot bearing detector system with fault detection

1993-06-08

1995-08-29

Peng, John K.

Communications: electrical

Condition responsive indicating system

Specific condition

246169A, G08B 2100, B61K 100

Patent

active

054464510

ABSTRACT:
An on-board hot bearing detector system includes a microprocessor and heat sensors mounted on the train cars for sensing the bearing temperatures. Diagnostic circuitry is also provided to monitor the sensors and detect if a sensor is open or short. Additionally, the train line is controlled by the microprocessor and is provided with a current limiting device for protection against large currents in case of a short.

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patent: 4528458 (1985-07-01), Nelson et al.
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patent: 4928910 (1990-05-01), Utterback et al.
patent: 5168261 (1992-12-01), Weeks
patent: 5260664 (1993-11-01), Graham

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