Method for monitoring the condition of rail switch points
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United States of America Patent
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Oct 19, 1993
Grant Date -
N/A
app pub date -
May 8, 1992
filing date -
May 8, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a method for monitoring the condition of rail switch points and for detection of premature abrasive wear-and-tear in the region of the tongue switching rail (3) of the points, the signals from at least one proximity sensor (2) in the region of the tongue switching rail (3) of the points are evaluated when the tongue switching rail is travelled upon, and the smallest measured value of the separation distance (l) during the travel is stored in memory. The smallest measured value stored in memory and at least a first limiting value for the smallest separation distance are compared with one another and, when the smallest measured value in memory exceeds this first limiting value, a warning signal is generated.
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