Brushless DC motor having an outer rotor

Details Brushless DC motor having an outer rotor Brushless DC motor having an outer rotor

1988-07-12

1990-01-02

Ro, Bentsu

Electricity: motive power systems

Switched reluctance motor commutation control

318138, 310 68R, H02K 2906

Patent

active

048915670

ABSTRACT:
Herein disclosed is a brushless DC motor of high performance, which has its construction simplified and feasible made by sandwiching an annular coil between two stator yokes having a plurality of magnetic elements in the circumferential direction, by magnetically shorting the two stator yokes through a shorting member, and by providing a magnetic pole detector for detecting the positions of the magnetic poles of a rotor.

REFERENCES:
patent: 2861204 (1958-11-01), Bauer
patent: 3402337 (1968-09-01), Malmborg et al.
patent: 3497782 (1970-02-01), Petrides
patent: 3569804 (1971-03-01), Studer
patent: 3806785 (1974-04-01), De Valroger et al.
patent: 3922590 (1975-11-01), Warren et al.
patent: 4028568 (1977-06-01), Tatsumi et al.
patent: 4385249 (1983-05-01), Fukushima
patent: 4600864 (1986-07-01), Sato
patent: 4656377 (1987-04-01), Akiyama et al.

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