High density flux magnetic circuit

Details High density flux magnetic circuit High density flux magnetic circuit

1975-06-26

1978-03-21

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310266, H02K 2126

Patent

active

040805425

ABSTRACT:
Magnetic means and circuits for efficiently conducting and directing flux to a flux emergent surface, such as the pole of a motor pole piece, in which flux produced by one or more permanent magnetic sources matched in reluctance to a working air gap is directed through an essentially continuously curved convex surface of a volume of magnetically permeable material significantly greater in area than the area of the working air gap, with the flux from the magnetic source(s) is generally everywhere normal to that surface.

REFERENCES:
patent: 3249780 (1966-05-01), Ibrahim et al.
patent: 3277324 (1966-10-01), Beaudoin et al.
patent: 3334254 (1967-08-01), Kober
patent: 3553509 (1971-01-01), Schellekens
patent: 3710291 (1973-01-01), Nicoud
patent: 3828213 (1974-08-01), Yamashita et al.
IBM Tech. Disclosure Bulletin, "Permanent Magnet DC Motor, Fisher & Hu", vol. 10, #8, 1/68, pp. 1233-1234.

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