Disk file with air filtration system

Details Disk file with air filtration system Disk file with air filtration system

1987-04-28

1989-02-28

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

G11B 5012

Patent

active

048091022

ABSTRACT:
A disk file of the kind employing a vented hub assembly and slotted spacers between disks to provide a passage for circulatory airflow employs a filter assembly extending circumferentially around the axial region of the hub assembly. The primary path for airflow is from a high pressure region at the periphery of the disks, through the filter assembly into the vented hub assembly and out again via the slotted spacers. A parallel leakage path between the filter itself and the hub assembly is limited by making the separation between a substantially planar surface of the filter assembly and the adjacent disk uniform and very small. Airflow rates through the filter are consequently enhanced.

REFERENCES:
patent: 4329722 (1982-05-01), West
patent: 4412261 (1983-10-01), Tateyama et al.
patent: 4488193 (1984-12-01), Davis et al.
patent: 4599664 (1986-07-01), Schuh
patent: 4633349 (1986-12-01), Beck et al.

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