Determining a reference in a method of detecting overheating of

Details Determining a reference in a method of detecting overheating of Determining a reference in a method of detecting overheating of

1989-07-21

1990-10-02

Lall, Parshotam S.

Railway switches and signals

Cab signal or train control

Train defect

340682, B61L 300

Patent

active

049602519

ABSTRACT:
Auto-correlation techniques are employed to monitor railway care wheel bearings. Three successive bearing temperatures A, B and C are measured and those two temperatures that are the closest in value determined. The least of these is used as a reference to be multiplied by a constant and thereby define a limit value which when exceeded generates an alarm signal.

REFERENCES:
patent: 3412389 (1968-11-01), Barrack et al.
patent: 4113211 (1978-09-01), Glazar
patent: 4316175 (1982-02-01), Korber et al.
patent: 4441196 (1984-04-01), Sanville

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