Di- or polyphase synchronous electric motor with a disc-shaped rotor
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United States of America Patent
Stats
-
Oct 1, 1991
Grant Date -
N/A
app pub date -
Feb 9, 1990
filing date -
Jun 10, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The stator of this flat magnetized-rotor motor comprises sets of pole pieces, arranged substantially radially, the sets being surrounded by corresponding electrical control coils. Separate yoke portions, having surface portions of axially symmetric design, are arranged in contact with the pole pieces of a corresponding set. The flat portions each consist of two sheet elements, forming between them an angle; the portions are inserted radially in the respective slots of a support portion of a stator element. With this arrangement it is possible to produce high-performance motors, at very low cost and whose dimensions in the radial direction are extremely small.
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