Hard disk driving motor

Details Hard disk driving motor Hard disk driving motor

1990-10-30

1992-07-07

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 90, 310261, 310156, 384615, H02K 1100

Patent

active

051285711

ABSTRACT:
In a hard disk driving motor comprising: an armature winding rotatably supported around the rotary shaft through a rolling bearing; and rotor magnets fixedly mounted on the inner wall of a hub secured to one end of the shaft in such a manner that they confront with the outer cylindrical wall of the armature winding, the bearing is a rolling bearing with plural race tracks which comprises an outer race in the inner wall of which a plurality of outer tracks are formed, and the armature winding is fixedly mounted directly on the outer wall of the outer race, to reduce the outside diameter of the motor.

REFERENCES:
patent: 4389586 (1983-06-01), Foster et al.
patent: 4585963 (1986-04-01), Wilkinson, Jr. et al.
patent: 4647803 (1987-03-01), von der Heide et al.
patent: 4672250 (1987-06-01), Seitz
patent: 4980587 (1990-12-01), Yonei et al.

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