Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1994-12-20
1998-04-07
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 49R, 310112, 310185, H02K 112, H02K 127
Patent
active
057368066
ABSTRACT:
The present invention concerns an electromechanical transducer exhibiting a configuration of the cylindrical type and adapted in particular to serve as a stepping motor. In a three-phase embodiment, the transducer according to the invention comprises a stator (2) and a rotor (4) capable of turning around a rotation axis (6). The stator (2) comprises three pole pieces (8, 10, 12) each having a polar arm (14, 16, 18) oriented in the direction of the rotation axis of the rotor and bearing an energization winding (32, 34, 36).
REFERENCES:
patent: 3952219 (1976-04-01), Mitsui et al.
patent: 4680494 (1987-07-01), Grosjean
patent: 5130594 (1992-07-01), Taghezout et al.
patent: 5289071 (1994-02-01), Taghezout
patent: 5321330 (1994-06-01), Taghezout
patent: 5396139 (1995-03-01), Surmely et al.
Eta SA Fabriques d'Ebauches
Nguyen Tran
Stephan Steven L.
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