Self-starting synchronous motor with defined direction of rotati

Details Self-starting synchronous motor with defined direction of rotati Self-starting synchronous motor with defined direction of rotati

1979-03-29

1981-06-16

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 41, 310172, 310164, 310163, H02K 2112

Patent

active

042740240

ABSTRACT:
Herein disclosed is a self-starting synchronous motor with a defined direction of rotation, a permanent magnetic rotor and a claw-pole type stator. The stator embraces an operating winding where several poles are combined to form main pole groups and to form auxiliary pole groups which are loaded with short circuiting discs. Furthermore, the synchronous motor of this invention has a defined direction of rotation which is not preset by means of a directional blockage. The poles, which are located on a circular ring and protrude from the oppositely located front sides and which interlock, are combined to form two main pole groups and two auxiliary pole groups wherein the total number of main poles is smaller than the total number of auxiliary poles and that from each of both of the frontal sides protrude the same number of main poles and the same number of auxiliary poles.

REFERENCES:
patent: 1976880 (1934-10-01), Graseby
patent: 2912609 (1959-11-01), Kassner
patent: 2951957 (1960-09-01), Eigeman
patent: 3058019 (1962-10-01), Eisler
patent: 3454801 (1969-07-01), Suzuki et al.
patent: 3502921 (1970-03-01), Suzuki et al.
patent: 3555323 (1971-01-01), Gerber
patent: 3737695 (1973-06-01), Kilmer
patent: 3808491 (1974-04-01), Riggs
patent: 3909647 (1975-09-01), Peterson

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