Air conditioning filter system

Details Air conditioning filter system Air conditioning filter system

1990-10-31

1992-05-05

Wayner, William E.

Heat exchange

Heating and cooling

With ventilation

62 91, 126113, F24F 314, F24F 700

Patent

active

051099160

ABSTRACT:
In an air conditioning system with a return air duct, a blower and a discharge duct, a by-pass duct is provided between the discharge duct and the return air duct such that a portion of the air being delivered by the blower is caused to be returned to mix with the incoming air from the return air duct before re-entering the blower. A chemical filter is provided in the by-pass duct such that gaseous pollutants are removed from the air flowing therethrough. With the continued recirculation of air through the system, the level of contamination in the air being delivered is eventually reduced to an acceptable level.

REFERENCES:
patent: 2303948 (1942-12-01), Morris
patent: 3116786 (1964-01-01), Menditch
patent: 3689037 (1972-09-01), Payne
patent: 4375831 (1983-03-01), Downing, Jr.

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