Electric motor with permanent-magnet excitation

Details Electric motor with permanent-magnet excitation Electric motor with permanent-magnet excitation

1994-03-28

1995-05-23

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 67R, 310185, 310254, H02K 2112

Patent

active

054184142

ABSTRACT:
The invention relates to an electric motor with permanent-magnet excitation, particularly inside-rotor and outside-rotor motors, comprising motor sections (10, 20) which are movable relative to one another, of which the first motor section (10) forms a multi-pole excitation field in an air gap (1) by means of permanent magnets (11) and of which the second motor section (20) is a soft-iron yoke (21) having pole teeth (22) which project towards the air gap (1) and which carry excitation coils (23). The motor combines the following characteristic features:

REFERENCES:
patent: 3132270 (1964-05-01), Phelon
patent: 4217508 (1980-08-01), Uzuka
patent: 4280072 (1981-07-01), Gotou et al.
patent: 4417167 (1983-11-01), Ishii
patent: 4540906 (1985-09-01), Bloom
patent: 4554491 (1985-11-01), Plunkett
patent: 4742258 (1988-05-01), Earle
patent: 4763050 (1988-08-01), Ruppert
patent: 4882511 (1989-11-01), von der Heide
patent: 5220227 (1993-06-01), Ohi
patent: 5220228 (1993-06-01), Sibata
patent: 5315198 (1994-05-01), Toroh

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