B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
B60T 17/02 (2006.01) B60T 17/00 (2006.01) B61C 17/00 (2006.01) F04B 39/06 (2006.01) F15B 21/04 (2006.01)
Patent
CA 2213074
An electrical circuit for controlling the operation of a fan cooled aftercooler receiving pressurized air from a compressor located in a locomotive. The circuit includes a motor for driving the fan of the aftercooler, an electrical relay comprising a coil and contacts operated by the coil, and a temperature sensitive switch connected in electrical series with the coil. The contacts of the relay are connected in electrical series with the motor. The temperature sensitive switch is effective to open the circuit of the coil and thereby open such contacts to stop operation of the fan when ambient temperature falls to or below freezing.
Cunkelman Brian L.
Goettel Walter E.
Wagner Daniel G.
Macrae & Co.
Westinghouse Air Brake Company
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