Two-phase brushless motor

Details Two-phase brushless motor Two-phase brushless motor

1989-08-21

1990-11-06

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 68B, 310184, 310268, 318254, H02K 2112

Patent

active

049689134

ABSTRACT:
A two-phase brushless motor has a rotor comprising at least a pair of first magnetic poles and a pair of second magnetic poles which are smaller in width than the first magnetic poles, and a stator comprising at least a pair of first coils and a pair of second coils for producing a first phase and a second phase of varying magnetic fields, respectively, so that the torques respectively obtained from the interaction of the two pairs of magnetic poles and the two phases produced by the two pairs of coils differ from each other.

REFERENCES:
patent: 3317766 (1967-05-01), Bensa
patent: 4125792 (1978-11-01), Schmider
patent: 4217508 (1980-08-01), Uzuka
patent: 4340833 (1982-07-01), Sudo
patent: 4394594 (1983-07-01), Schmider
patent: 4455516 (1984-06-01), Furusho
patent: 4520300 (1985-05-01), Fradella
patent: 4585979 (1986-04-01), Sakamoto
patent: 4677332 (1987-06-01), Heyraud
patent: 4703211 (1987-10-01), Yazaki
patent: 4704566 (1987-11-01), Hirano
patent: 4737674 (1988-04-01), Miyao
patent: 4739203 (1988-04-01), Miyao et al.
Patent Abstract of Japan, vol. 7, No. 99 (E-172) (1244), Apr. 27, 1983.
Patent Abstract of Japan, vol. 7, No. 36 (E-158)(1181), Feb. 15, 1983.
Patent Abstract of Japan, vol. 7, No. 214 (E-199)(1359), Sep. 21, 1983.

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