Permanent magnet field DC machine

Details Permanent magnet field DC machine Permanent magnet field DC machine

1987-03-16

1988-12-27

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 46, 310185, 310258, H02K 2126

Patent

active

047942916

ABSTRACT:
A permanent magnet field DC machine comprises a rotor and a stator. The rotor comprises an armature core (3), an armature winding (4), and a commutator (2). The stator comprises a yoke (7), permanent magnets (8) disposed on the inner periphery of the yoke (7), and magnetic pole pieces (9) interposed between the yoke (7) and a portion of each magnetic pole (8). The magnetic pole pieces (8) are made of a material the permeability of which is greater than that of the permanent magnets.

REFERENCES:
patent: 3277324 (1966-10-01), Beudoin
patent: 3939371 (1976-02-01), Murakami
patent: 4278907 (1981-07-01), Landgraf
patent: 4471252 (1984-09-01), West
patent: 4542314 (1985-09-01), Corbach
patent: 4639625 (1987-01-01), Abukawa et al.

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