Electricity: motive power systems – Switched reluctance motor commutation control
Patent
1985-08-09
1987-02-17
Roskoski, Bernard
Electricity: motive power systems
Switched reluctance motor commutation control
318138, 318439, 310 68R, H02K 2908
Patent
active
046442332
ABSTRACT:
A D.C. brushless motor wherein one of projected stator poles positioned forward and rearward in rotational direction of a rotor is deviated from a circumferentially equally spaced position with respect to the other stator pole by a predetermined electric angle and is made sufficiently smaller than the other, the stator poles being respectively polarized depending on controllably varied direction of direct current to coils on the poles by means of a rotor position detecting Hall element which detects the polarity at a predetermined position of the rotor, for allowing the rotor to self-start with a remarkably increased starting torque.
REFERENCES:
patent: 3614495 (1971-10-01), Suzuki et al.
patent: 4096419 (1978-06-01), Wren et al.
patent: 4105940 (1978-08-01), Kuhnlein
patent: 4429263 (1984-01-01), Muller
patent: 4458184 (1984-07-01), Kawate
patent: 4553075 (1985-11-01), Brown et al.
Matsushita Electric & Works Ltd.
Ro Bentsu
Roskoski Bernard
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