Four-sided air filter

Details Four-sided air filter Four-sided air filter

1987-02-26

1988-06-07

Nozick, Bernard

Gas separation

With separating media bypass or system gas pressure relief

Valved bypass means

55387, 55481, 55467, 55486, 55410, 55512, 55509, 55DIG31, B01D 5000

Patent

active

047493909

ABSTRACT:
A filtering unit (10) has four filter holders (20) arranged in a rectangle around a blower (36). Each filter holder holds up to two filter elements (11). The blower draws air through the filter elements (11) and outputs filtered air through a vent (40). Refillable filter frames (16) are provided to allow the user to change the filter material (18). In one embodiment, glass chips are used as the filter material (18).

REFERENCES:
patent: 4115082 (1978-09-01), Newell
patent: 4252547 (1981-02-01), Johnson
patent: 4504290 (1985-03-01), Pontius

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