Electromagnetic transducer with a multipolar permanent magnet

Details Electromagnetic transducer with a multipolar permanent magnet Electromagnetic transducer with a multipolar permanent magnet

1992-12-11

1994-06-14

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 40MM, H02K 112

Patent

active

053213300

ABSTRACT:
A reversible two-phase electromechanical transducer comprises a stator (2) extending primarily over three levels and a rotor (38) including a multipolar permanent magnet (48) located between first and second principal stator parts (4, 8). The first stator part defines a stator hole and first and second principal magnetic poles (80, 82) magnetically coupled to secondary magnetic poles formed by the castellations (70) of a circular gapped crown located on the edge of the stator hole. The second principal stator portion defines at least one third principal magnetic pole (90), such second principal stator portion being magnetically coupled to each of the first and second principal magnetic poles by means of respective first and second magnetic flux guidance legs (12, 13), each bearing an energization winding (28, 29).

REFERENCES:
patent: 4012899 (1977-03-01), Matsuura
patent: 4206375 (1980-06-01), Sudler
patent: 4455499 (1984-06-01), Sudler
patent: 4629924 (1986-12-01), Grosjean
patent: 4680494 (1987-07-01), Grosjean
patent: 4855629 (1989-08-01), Sato

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