Dynamo electric machine

Details Dynamo electric machine Dynamo electric machine

2006-05-02

2006-05-02

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S254100

Reexamination Certificate

active

07038348

ABSTRACT:
A dynamo-electric machine comprises a stator having a plurality of salient poles wound with a coil, and a rotor fixed with a plurality of permanent magnets and disposed to rotate freely on an outer circumference of the stator. Salient poles becoming in-phase are arranged adjacently in a circumferential direction and these adjacent salient poles are disposed oppositely to the permanent magnets of different polarity at the same electric angle. These salient poles have coils wound in reverse directions. An angle between adjacently salient poles is set at 360°/N for in-phase, and an angle θ2 between adjacently salient poles is set at θ1+θ1
umber of phases P for out-of-phase, where N is the number of poles of the permanent magnets, and the number of phases P×(θ1+θ2) is set at 180° or less.

REFERENCES:
patent: 3978356 (1976-08-01), Spiesberger
patent: 4315171 (1982-02-01), Schaeffer
patent: 5325002 (1994-06-01), Rabinowitz et al.
patent: 6208054 (2001-03-01), Tajima et al.
patent: 63-77363 (1988-04-01), None
patent: 2-84043 (1990-03-01), None
patent: 4-289759 (1992-10-01), None
patent: 2000-308317 (2000-11-01), None

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