4-Pole electric motor

Details 4-Pole electric motor 4-Pole electric motor

1982-09-30

1985-06-18

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 67R, 310154, 310156, H02K 3700

Patent

active

045242933

ABSTRACT:
A 4-pole armature is accommodated with in a 4-pole permanent-magnet ring, either the ring or armature serving as the rotor. The core of the armature is cross-shaped, a set of two members of the core in straight orientation has windings applied on each member with opposite winding directions, and the cross-shaped core is provided at each winding of four core ends with separable back-up cores extending in the rotational direction of the armature or in the direction opposite to the rotational direction of the ring. A device for converting armature polarity is provided which alternates the direction of electric current for the armature every 90.degree. rotation of the rotor.

REFERENCES:
patent: 2469834 (1949-05-01), Maerz
patent: 3244917 (1966-04-01), Gute
patent: 3760207 (1973-09-01), Abraham et al.
patent: 3873897 (1975-03-01), Muller
patent: 3961211 (1976-06-01), Verques
patent: 4217509 (1980-08-01), Sudler
patent: 4340828 (1982-07-01), Sudler et al.

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