Synchronous electric motor

Details Synchronous electric motor Synchronous electric motor

1976-04-13

1978-04-04

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310183, 310211, H02K 1900

Patent

active

040829731

ABSTRACT:
This invention relates to a synchronous electric motor comprising a housing accommodating a stator having a.c. windings and a winding for producing a coaxial direct field and a rotor provided with a cage winding, the poles of which being arranged in axial, relatively spaced transverse planes, wherein radially extending connecting elements are arranged in the interpolar space between the cage windings and the rotor, said connecting rings being formed by rings arranged on the rotor shaft and made from non-magnetic material.

REFERENCES:
patent: 3252027 (1966-05-01), Korihek
patent: 3614496 (1971-10-01), Schiethart
patent: 3694906 (1972-10-01), Rank et al.
patent: 3732448 (1973-05-01), Schiethart

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