Device for measuring the temperatures of axles or bearings for locating hot-boxes or overheated brakes in rolling stock
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United States of America Patent
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Feb 24, 2004
Grant Date -
N/A
app pub date -
Apr 18, 2002
filing date -
Oct 19, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a device for measuring the temperatures of axles and/or bearings to locate hot-boxes or overheated brakes in rolling stock, in which the infrared rays of the measuring points are directed onto an infrared receiver (8) via an oscillating mirror (9), whereby infrared rays emitted transversely to the longitudinal direction of the rails are detected in the scanning plane defined by the oscillation of the oscillating mirror (9), at least two deviation mirrors (1, 2) are arranged within the scanning plane at a distance (a) from one another transverse to the longitudinal direction of the rails. The deviated infrared rays of the deviation mirrors (1, 2) are detected in a chronological sequence in accordance with the oscillation of the oscillating mirror (9).
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