Enclosed disc drive having combination filter assembly

Details Enclosed disc drive having combination filter assembly Enclosed disc drive having combination filter assembly

1980-05-15

1982-05-11

Eddleman, Alfred H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360133, G11B 2302, G11B 2504

Patent

active

043297226

ABSTRACT:
A combination filter system for an enclosed disc drive in which a breather filter is provided in a central position in the disc drive cover and a recirculating air filter is concentrically positioned about the breather filter. The recirculating filter includes an annular air deflector whereby air flowing from the periphery of the disc housing is filtered and directed towards the spindle, which is positioned in the central opening of the annular air deflector, thereby establishing continuous flow of filtered air within the housing.

REFERENCES:
patent: 3723980 (1973-03-01), Gabor
patent: 3825951 (1974-07-01), Katsumori et al.
patent: 4008492 (1977-02-01), Esling
patent: 4130845 (1978-12-01), Kulma
patent: 4194225 (1980-03-01), Hasler
patent: 4250528 (1981-02-01), Oda

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