Position detector, particularly for electrical valve actuators
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United States of America Patent
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-
Nov 11, 2003
Grant Date -
Sep 26, 2002
app pub date -
Mar 15, 2002
filing date -
Mar 23, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Position detector (1), particularly for electrical valve actuators, comprising a disk (2) fixedly connected to an actuator and provided with a mapping defining a reference for detecting the actuator displacement; and means for detecting the actuator displacement by said mapping. Said mapping is formed by a plurality of permanent magnets operatively arranged along the disk (2) circumference, the polarity of each magnet being opposed to the polarity of two immediately adjacent magnets.
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