Polyphase electromagnetic transducer having a multipolar permane

Details Polyphase electromagnetic transducer having a multipolar permane Polyphase electromagnetic transducer having a multipolar permane

1993-09-09

1995-03-07

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310156, 310179, 310184, H02K 112, H02K 127

Patent

active

053961390

ABSTRACT:
The present invention concerns a polyphase electromagnetic transducer, the rotor (4) of which has a multipolar permanent magnet (10) including an even number of magnetic pole pairs (14) oriented along the direction of the rotation axis of such motor (4). First and second principal stator parts (22 and 24) extend respectively from either side of a rotor plane defined by the multipolar permanent magnet (10). The first principal stator part (22) defines at least three principal magnetic poles (30, 31 and 32) and secondary magnetic poles (38), these latter being defined by teeth (40) superposed onto the multipolar permanent magnet (10).

REFERENCES:
patent: 2553359 (1948-11-01), Bertea
patent: 3818690 (1974-06-01), Schwarzschild
patent: 4371821 (1983-02-01), Laesser et al.
patent: 4629924 (1986-12-01), Grosjean
patent: 4680494 (1987-07-01), Grosjezn
patent: 4922145 (1990-05-01), Shtipelman
patent: 5289071 (1994-02-01), Taghezout
patent: 5302875 (1994-04-01), Taghezout
patent: 5321330 (1994-06-01), Taghezout

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