Disk drive air filter assembly
US4633349A · kind A · utility
37Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1984 |
| Grant date | Dec 30, 1986 |
| Priority date | — |
| Expiry date | Jul 23, 2004 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B33/1446
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A cartridge filter for an enclosed magnetic disk drive is disclosed which includes a dual media drum type filter element in a recirculating filter assembly that surrounds the breather filter and delivers air from the periphery of the disk stack to the axial entry of the ventilated disk spindle assembly. The cartridge provides an extended media surface within a compact space for frequent cycling of the enclosed air volume through the filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.