Hall effect position sensor for a railway vehicle axle
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United States of America Patent
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Jul 24, 1990
Grant Date -
N/A
app pub date -
Apr 18, 1989
filing date -
Apr 18, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A position sensor for measuring the separation, in a givne direction (Oy), between a first part such as a datum element of a railway vehicle axle and a fixed second part such as a rail on which said axles runs, includes magnets (11, 12) for producing a magnetic field above the second part (10) and Hall effect probes (15) for measuring the value of the component of the field in said given direction (Oy) with variation in that value being proportional to the separation.
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