Contactless position sensor with optimized magnetic volume and magneto sensitive probe
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United States of America Patent
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-
Jul 15, 2003
Grant Date -
N/A
app pub date -
Sep 21, 2001
filing date -
Mar 3, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A magnetic position sensor, linear or rotary, including a stator and at least a mobile part along at least a direction OX, with an effective stroke Xc. The stator includes at least two components made of soft magnetic material defining at least a secondary air gap in which is housed at least a magneto-sensitive probe. Each stator part component has a length Xs in the direction OX not less than Xc. The magnets of one mobile part are extended over at least one edge by a mobile ferromagnetic component having a thickness e, in the direction of a magnetization of one magnet, such that 0.1 L
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