Brushless motor for driving magnetic disks

Details Brushless motor for driving magnetic disks Brushless motor for driving magnetic disks

1987-12-03

1989-04-04

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 89, 360 9702, 360 9908, H02K 510, G11B 3314

Patent

active

048189073

ABSTRACT:
A brushless motor for driving magnetic disks comprises: a housing having at least one through hole therein; a stator attached to the housing; a rotor having a driving magnet in opposing relationship with the stator; an element for detecting the magnetic pole of the driving magnet removably fitted into the at least one through hole; and means for sealing one open end on the side of the rotor, both when the detecting element is fitted into the through hole, and when the detecting element is removed from the through hole.

REFERENCES:
patent: 4339875 (1982-07-01), Muller
patent: 4518886 (1985-05-01), Kaneyuki
patent: 4725904 (1988-02-01), Dalziel

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