Flat yoke type DC machine

Details Flat yoke type DC machine Flat yoke type DC machine

1992-01-22

1992-12-29

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310192, 310256, H02K 2126

Patent

active

051754606

ABSTRACT:
A DC motor including a rotatable armature, a pair of permanent magnets functioning as magnetic stator poles, and a flat yoke having a pair of opposed arcuate sections and a pair of opposed flat sections, for receiving the armature. Each of the arcuate sections is formed with a slit extending parallel to the rotational axis of the armature to increase the magnetic reluctance. The magnetic reluctance against a magnetic flux generated by the cross magnetomotive force is increased to reduce the armature reaction by the slits.

REFERENCES:
patent: 4795932 (1989-01-01), Long
patent: 4862066 (1987-07-01), Abbratozzato et al.
patent: 4973871 (1990-11-01), Bisantz
patent: 5008578 (1991-04-01), Pace

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