B - Operations – Transporting – 61 – C
Patent
B - Operations, Transporting
61
C
B61C 15/08 (2006.01) B60T 8/00 (2006.01) B60T 8/17 (2006.01) B61H 13/34 (2006.01)
Patent
CA 2448928
The time reset safety timer circuit eliminates approximately half of the external interfaces of the prior art safety timers. The prior art safety timers depend on vehicle axle speeds, brake indications, and/or trainline signals to initiate a safety timer reset. The time reset safety timer circuit in the present invention uses only internal information to initiate a safety timer reset. This simplifies the circuitry of the time reset safety timer circuit, which improves the reliability.
Corvin John H.
Mazur Richard J.
Wood James A.
Macrae & Co.
Westinghouse Air Brake Technologies Corporation
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