Air filtering device

Details Air filtering device Air filtering device

1993-03-25

1993-12-14

Hart, Charles

Gas separation

With means securing or retaining separating media

Hinged or pivoted retainer or clamp on backing frame or in...

553851, 553856, 55471, 55472, 55497, 55511, 55514, B01D 4610

Patent

active

052698246

ABSTRACT:
A generally flat air filtering device for an optical disk drive is disclosed. As air is sucked into the disk drive via an inlet of a filter, a filter mat included in the filter removes dust and other impurities from the air. The purified air comes out of the outlet of a tube and then enters and cools an optical disk unit. The filter mat has a generally V-shaped section and, therefore, has a filtering area great enough to enhance efficient dust collection as well as the service life of the filter. To isolate the purified air from surrounding dust-containing air, an endless projection or rail is provided on the tube to bite into the filter mat which is flexible.

REFERENCES:
patent: 3747773 (1973-07-01), Jackson
patent: 4385911 (1983-05-01), Popeil et al.
patent: 4684510 (1987-08-01), Harkins
patent: 5059224 (1991-10-01), Kikkawa et al.
patent: 5223011 (1993-06-01), Hanni

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