Self adjusting wheel bearing heat signal processing circuit

Details Self adjusting wheel bearing heat signal processing circuit Self adjusting wheel bearing heat signal processing circuit

1980-04-28

1982-04-06

Swann, III, Glen R.

Railway switches and signals

Cab signal or train control

Train defect

246169D, 340584, 340600, 340682, G08B 2100, B61L 300

Patent

active

043232116

ABSTRACT:
A railroad car hot box detector system is provided which includes a variable circuit means for processing the heat signal generated by an infra-red detector viewing a sensing zone along a section of track. The system includes a conditioning circuit which determines one or more conditions of the train (such as the wheel speed or temperature of the car bottom) and uses that information to vary the processing circuit to enable the heat signal to be processed optimally for the detected condition.

REFERENCES:
patent: 3206596 (1965-09-01), Howell
patent: 3454758 (1969-07-01), Gallagher
patent: 3545005 (1970-12-01), Gallagher
patent: 3646343 (1972-02-01), Caulier et al.
patent: 3812343 (1974-05-01), Gallagher et al.
patent: 3872456 (1975-03-01), Glazar
patent: 4068811 (1978-01-01), Caulier
patent: 4113211 (1978-09-01), Glazar

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