Hot bearing simulator

Details Hot bearing simulator Hot bearing simulator

1989-08-22

1990-12-04

Peters, Jr., Joseph F.

Railway switches and signals

Cab signal or train control

Train defect

105451, B61L 300

Patent

active

049747975

ABSTRACT:
A hot bearing simulator is provided for verifying the proper operation of hot box detectors in a dynamic fashion. The hot bearing simulator employs a temperature controller and heater means associated with various axles of a rolling carriage. The heaters are adjusted such that a hot box detector will be verified to determine if it is able to sense when the absolute temperature of left or right wheel bearings exceeds a first predetermined temperature or, alternatively, when the difference in temperature between a left and right wheel bearing differ by a second predetermined amount.

REFERENCES:
patent: 4878437 (1989-11-01), Myers et al.

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