Wheelset sensing system
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United States of America Patent
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Aug 10, 1999
Issued Date -
N/A
app pub date -
May 12, 1998
filing date -
Feb 7, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for measuring the wheel profiles of wheels of wheelsets in which the wheelsets are moved past a series of a least twenty-six separate sensors while being rotated and moved at specified speeds. The wheelsets are impinged with a multiplicity of laser beams whose reflections are measured by the sensors, thereby indicating various wheel profile properties. In one embodiment, the wheelsets are rotated at a speed of less than 75 revolutions per minute while being moved at a speed of less than 6 miles per hour. In another embodiment, the wheelsets are rotated at a speed of greater than 400 revolutions per minute while being moved at a speed of greater than 45 miles per hour. In both embodiments, the wheelsets are moved past the sensors in a period of less than about 20 seconds.
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