Stator, dynamoelectric machine, and methods for fabricating same
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United States of America Patent
Stats
-
Jul 27, 2004
Grant Date -
Nov 1, 2001
app pub date -
Mar 8, 2001
filing date -
Apr 25, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A dynamoelectric machine includes a stator having teeth fabricated from a non-magnetic material and containing at least one embedded conductor. The teeth are unitary with a back portion that is mounted to a stator back iron. Permeance variations induced by a stator winding mounted on the non-magnetic stator teeth are low which facilitates a reduction of motor noise. Specifically, since the non-magnetic teeth reduce production of permeance variations, changes in air gap forces between the rotor and the stator are decreased.
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