Brushless motor and magnetic recording-reproducing apparatus usi

Details Brushless motor and magnetic recording-reproducing apparatus usi Brushless motor and magnetic recording-reproducing apparatus usi

1999-11-12

2000-12-26

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310269, 360 9908, M02K 122

Patent

active

061664758

ABSTRACT:
A brushless motor comprises a stator including substrates protruding radially with respect to a center axis and coils wound on the substrates, a rotor including a cover covering the stator, having magnetic poles annularly arranged opposing tip-end faces of the substrates, and a plurality of apertures provided in the upper wall of the cover, wherein the magnetic poles provided inside the upper wall of the cover and the tip-end faces of the substrates are visible from the outside of the upper wall through the apertures.

REFERENCES:
patent: 4719378 (1988-01-01), Katsuma et al.
patent: 5469421 (1995-11-01), Aruga et al.
patent: 5783884 (1998-07-01), Fujishima et al.
patent: 5831355 (1998-11-01), Oku
patent: 5926663 (1999-07-01), Suzuki
patent: 6020663 (2000-02-01), Furuki
patent: 6044737 (2000-04-01), Yao et al.
patent: 6081058 (2000-06-01), Suzuki et al.

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