Fuel level sensor using rotating angel sensor attached to float on totating arm
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United States of America Patent
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Mar 11, 2008
Grant Date -
Aug 2, 2007
app pub date -
Mar 18, 2005
filing date -
Mar 19, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fuel level sensor having a magnetic position sensor connected to an arm for attachment to a float, wherein the magnetic position sensor comprises a stator and a movable part, the stator having two soft magnetic pieces defining an air gab, which contains a magnetoresistive probe for measuring the variation in induction in the gap, the moveable part comprising a yoke of soft magnetic materiel displaceable parallel to the magnetic pieces of the stator, and a magnet partly embedded in a cavity in the yoke facing the stator, the poles of the magnet being polarized perpendicularly to direction of movement of the moveable part relative to the stator.
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