Air filtering device

Details Air filtering device Air filtering device

1997-10-17

1999-12-21

Simmons, David A.

Gas separation

Mounted or supported for continuous motion

55471, 55473, 55507, 55510, 55511, B01D 4512, B01D 3300

Patent

active

060043652

ABSTRACT:
An air filtering device including a circular plate, plurality of fan blades fixedly attached to the circular plate, the fan blades extending downwardly from the lower surface of the circular plate; a filter frame having an air permeable cylindrical inner wall, having an upper wall, having a lower wall, and having an air permeable cylindrical outer wall, the air permeable cylindrical inner wall, the air permeable cylindrical outer wall, the upper wall and the lower wall defining a cylindrical filter media containing space; air filtering media extending annularly around the air permeable cylindrical inner wall within the cylindrical filter media containing space; and, a filter frame attaching mechanism attaching the filter frame so that it extends annularly around the outer edges of the fan blades.

REFERENCES:
patent: 2114761 (1938-04-01), Crider
patent: 4173458 (1979-11-01), Stiles
patent: 4849862 (1989-07-01), Diskin et al.
patent: 5564900 (1996-10-01), McAuley

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