Wayside measurement of railcar wheel to rail geometry
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United States of America Patent
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Jan 6, 2015
Issued Date -
N/A
app pub date -
May 23, 2013
filing date -
May 24, 2012
priority date (Note) -
In Force
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Abstract
Considerable damage to rails, wheels, and trucks can result from geometric anomalies in the wheelsets, rails, and truck hardware. A solution for identifying and quantifying geometric anomalies known to influence the service life of the rolling stock or the ride comfort for the case of passenger service is described. The solution comprises an optical system, which can be configured to accurately perform measurements at mainline speeds (e.g., greater than 100 mph). The optical system includes laser line projectors and imaging cameras and can utilize structured light triangulation.
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