Device for measuring the induction in the air gap of a magnetic bearing
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United States of America Patent
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Sep 27, 1988
Grant Date -
N/A
app pub date -
Feb 14, 1986
filing date -
Feb 15, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to a device for measuring the induction in the air gap of a magnetic bearing, which comprises an assembly of small notches of small width made in the longitudinal direction of the rotor and distributed on the periphery thereof, an assembly of small coils disposed in the end faces of the poles of the stator frame located opposite the rotor, parallel to said small notches, and means for detecting the alternating voltage induced in each small coil due to the passage of the small notches of the rotor opposite said small coils.
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