Brushless d.c. motor

Details Brushless d.c. motor Brushless d.c. motor

1990-12-18

1992-03-24

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310156, 310185, H02K 124

Patent

active

050991655

ABSTRACT:
A brushless d.c. motor having a number of permanent magnetic pole pairs and a number of salient poles wherein the ratio between the number of permanent magnetic pole pairs and the number of salient poles is greater than unity but less than 2:1 and the ratio between the widths of the salient poles and the widths of the permanent magnetic pole pairs is greater than 0.2 but not greater than 1.2.

REFERENCES:
patent: 3860843 (1975-01-01), Kawasaki
patent: 4217508 (1980-08-01), Uzuka
patent: 4280072 (1981-07-01), Gotou
patent: 4698538 (1987-10-01), Yoshida
patent: 4728833 (1988-03-01), Shiraki

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