Position sensor, designed in particular for detecting a steering column torsion
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United States of America Patent
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Issued Date -
Jun 15, 2006
app pub date -
Feb 8, 2006
filing date -
Mar 2, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A position sensor, designed in particular for detecting a steering column torsion, including a first magnetic structure including a plurality of magnets and a second magnetic structure including two ferromagnetic rings having a plurality of teeth and defining an air gap. At least a magneto-sensitive element is placed in the air gap. The first and second magnetic structures are respectively integral with two parts in relative rotation. The two ferromagnetic rings are nested and have each a substantially tubular part forming axially oriented teeth connected by a flux-closing zone, the detecting air gap being delimited by the flux-closing zones.
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