Rotary electric machine

Details Rotary electric machine Rotary electric machine

1974-07-02

1976-02-17

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310254, H02K 2128

Patent

active

039393712

ABSTRACT:
A rotary electric machine comprising a plurality of magnets with magnetic poles made of different B-H characteristics is disclosed in which a magnet with high coercive force is arranged on the portion of each pole where the magnetic field is weakened and a magnet with high magnetic flux density on the portion of each pole where the magnetic field is strengthened or little weakened.

REFERENCES:
patent: 3201625 (1965-08-01), Smith et al.
patent: 3296471 (1967-01-01), Cochhardt
patent: 3693037 (1972-09-01), West

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