Spindle motor with labyrinth sealed bearing

Details Spindle motor with labyrinth sealed bearing Spindle motor with labyrinth sealed bearing

1992-09-25

1994-09-13

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 85, 277 56, H02K 5124, H02K 708

Patent

active

053471890

ABSTRACT:
A spindle motor comprises a stationary member, a hub for rotation relative to the stationary member, bearings provided between the stationary member and the hub, and a labyrinth seal provided outside one of the bearings. In particular, the labyrinth seal includes a plurality of labyrinth units. Each labyrinth unit is consisted mainly of a first member mounted to the stationary member and a second member mounted to the hub.

REFERENCES:
patent: 2011192 (1935-10-01), Comstock
patent: 4380341 (1983-04-01), Waldshutz et al.
patent: 4697978 (1987-10-01), Tada
patent: 4827168 (1989-05-01), Nakajima
patent: 4894738 (1990-01-01), Elsasser et al.
patent: 4922406 (1990-05-01), Schuh
patent: 5029876 (1991-07-01), Orlando et al.
patent: 5061868 (1991-10-01), Iwazaki et al.
patent: 5128571 (1992-07-01), Itsu

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