Disposable two-stage air cleaner

Details Disposable two-stage air cleaner Disposable two-stage air cleaner

1994-05-06

1996-04-23

Bushey, C. Scott

Gas separation

Plural serial basically diverse separating media

Plural stages in unitary casing

55394, 55423, 55426, 95268, B01D 5000

Patent

active

055099483

ABSTRACT:
A disposable two-stage air cleaner includes a housing forming an air inlet, a separation chamber, a dirt collection chamber, and an air outlet. A filter element is located between the separation chamber and the air outlet. The air inlet moves the air in a circular pattern in the separation chamber, whereby dirt is thrown outwardly by centrifugal force. An air scavenging system is employed in which air laden with dirt from the first-stage separation chamber is scooped into the dirt collection chamber and air from the dirt collection chamber is allowed to recirculate into the separation chamber after the air flow has been slowed so that the dirt falls from the air stream. The air cleaner thus provides performance which is equal to or better than reusable air cleaners of the prior art.

REFERENCES:
patent: 1760705 (1930-05-01), Ludlam
patent: 1854010 (1932-04-01), Woodford
patent: 1864201 (1932-06-01), Kegerreis et al.
patent: 3876400 (1975-04-01), Frantz
patent: 3898064 (1975-08-01), Tao et al.
patent: 3928007 (1975-12-01), Jackson
patent: 4217118 (1980-08-01), Kopf et al.
patent: 4261710 (1981-04-01), Sullivan
patent: 4350509 (1982-09-01), Alseth et al.
Air Maze Centrimaze Two-stage dry-type air filters: Series 10 and 12, .COPYRGT.1993 Air Maze.

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