Synchronous motor

Details Synchronous motor Synchronous motor

1976-04-26

1977-12-06

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310162, 310164, H02K 7118

Patent

active

040619362

ABSTRACT:
A self-starting, high running torque, synchronous motor is disclosed. The motor has an annular stator and a cylindrical rotor mounted within and spaced from the inner cylindrical periphery of the stator. The rotor is provided with a plurality of evenly spaced rotor poles about its cylindrical periphery. Spaced, axially tapered poles are provided about the inner periphery of the stator. One stator pole is angularly and circumferentially offset to serve as a starting pole, while the remaining stator poles are evenly spaced about an arc which does not include the offset pole.

REFERENCES:
patent: 3119941 (1964-01-01), Guiot
patent: 3307056 (1967-02-01), Woolley
patent: 3348083 (1967-10-01), Ihariba
patent: 3857053 (1974-12-01), Yatsushiro et al.

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