Electric rotary device of permanent magnet type

Details Electric rotary device of permanent magnet type Electric rotary device of permanent magnet type

1984-10-11

1986-03-04

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 2126

Patent

active

045742146

ABSTRACT:
An electric rotary device of permanent magnet type has a stator including a plurality of permanent magnets and a rotor rotatably mounted within the stator and including an armature core and a plurality of windings wound around the armature core, said permanent magnets each having an axial length in the direction of the central rotation axis of the rotor, said axial length being a maximum at the center of the permanent magnet and progressively reduced towards both side ends of the permanent magnet.

REFERENCES:
patent: 4091300 (1978-05-01), Lynch et al.
patent: 4110645 (1978-08-01), Hendershot, Jr.
patent: 4110718 (1978-08-01), Odor et al.
patent: 4237397 (1980-12-01), Mohr et al.

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