Multipolar step motor

Details Multipolar step motor Multipolar step motor

1977-08-24

1979-05-15

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310257, 310156, H02K 3700

Patent

active

041550188

ABSTRACT:
A multipolar step motor having a rotor with N pairs of alternatively positive and negative magnetic poles arranged thereon with a regular angular spacing therebetween. The motor has two polar members defining an air gap within which the rotor is disposed, at least one of the polar members being configured to define N alternations of the distance between the said member and the rotor. The elements defining the said alternations comprise two groups in which the elements are equally spaced by 2.pi./N, the two groups being angularly spaced by an angle of .pi./4N one with respect to the other.

REFERENCES:
patent: 3754155 (1973-08-01), Oudet
patent: 3845335 (1974-10-01), Oguey
patent: 3860842 (1975-01-01), Schwab et al.
patent: 3958139 (1976-05-01), Oudet
patent: 3999090 (1976-12-01), Sinnott

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