B - Operations – Transporting – 61 – K
Patent
B - Operations, Transporting
61
K
B61K 9/04 (2006.01) G01J 5/10 (2006.01) G01K 13/08 (2006.01) G08B 21/18 (2006.01)
Patent
CA 2444605
An apparatus for detecting a temperature of a railroad train wheel 202 or bearing 208 comprises a lens 602 positioned in close proximity to a railroad track 106 such that infrared radiation radiating 618 from the wheel 202 or hearing 208 of a train traversing the track 106 is collected by the lens 602 and directed toward a focal point 606 of the lens 602. The collected radiation 604 is indicative of the temperature of the wheel 202 or bearing 208. A fiber optic cable 510 has a first end 610 associated with the lens 602 for receiving the collected radiation 604 and a second end 614. The focal point 606 of the lens 602 is at the first end 610 of the fiber optic cable 510. The fiber optic cable 510 transmits the received radiation from the first end 610 to the second end 614. A detector 708 is positioned at a remote distance 512 from the railroad track 106 and is associated with the second end 614 of the fiber optic cable 510 for detecting the transmitted radiation. The detected infrared radiation is indicative of the temperature of the wheel 202 or bearing 208. The invention further comprises a method for detecting a temperature of the railroad train wheel 202 or bearing 208, the apparatus comprising the steps of collecting in close proximity to a railroad track 106 infrared radiation radiating from the wheel 202 or bearing 208 of a train traversing the track wherein the radiation is indicative of the temperature of the wheel 202 or bearing 208. The invention further comprises the steps of transmitting the collected radiation 604 to a location remote from the railroad track 106, detecting the transmitted radiation at the remote location, wherein the detected radiation is indicative of the temperature of the wheel 202 or bearing 208, and generating an output signal 708 that is indicative of the temperature of the wheel 202 or bearing 208.
Company General Electric
Craig Wilson And Company
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