Device for detecting the angular position of the rotor of a rotary electric machine with electronic switching
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United States of America Patent
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Feb 10, 1987
Grant Date -
N/A
app pub date -
May 22, 1985
filing date -
May 22, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for detecting the angular position of the rotor of an electric rry machine with electronic switching, comprising more particularly a disk mounted coaxially on the shaft of said rotor and comprising a radial face on which permanent magnets are fixed of alternately reversed polarity producing a magnetic field, Hall effect proximity cells disposed in the vicinity of said radial face of the disk and carried by a structure mounted for rotation on the body of said rotary machine coaxially with said axis, and adapted for detecting the axial component of the magnetic field, means allowing said structure to be locked against rotation on said body.
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