Gas separation – With separating media bypass or system gas pressure relief – Valved bypass means
Patent
1986-06-16
1988-02-02
Hart, Charles
Gas separation
With separating media bypass or system gas pressure relief
Valved bypass means
55318, 55319, 55320, 55385A, 55385B, 55487, 98 211, B01D 5304
Patent
active
047227478
ABSTRACT:
An air filtration and purifying system for the air interiorly of a vehicle and is in the form of an add-on device for existing vehicles for removing particulate material and odors. The add-on system may be used in existing vehicles with or without an air conditioning system or heating system and effectively removes airborne particulates such as dust, dirt, pollen and the like and also removes odors such as tobacco, smoke, food, body odors and toxic gases and fumes and the like. Basically, the add-on system includes a housing with blower or fan assemblies associated therewith and forming an air chamber located immediately behind a first stage foam filter and a second stage replaceable filter of activated carbon or other material with air being drawn into the air chamber with the clean air then being discharged from the housing by the blower or fan assemblies in order to discharge clean air throughout the interior of a vehicle which is especially useful in enhancing the health and comfort of the vehicle occupants and provides increased airflow to the rear section of an automobile, van-type vehicle, bus and the like.
REFERENCES:
patent: 2430335 (1947-11-01), Hart
patent: 3486436 (1969-12-01), Harbeck
patent: 3598197 (1969-06-01), Neece
patent: 3657992 (1972-04-01), Minnick
patent: 3659515 (1972-05-01), Galaniuk
patent: 3868896 (1975-03-01), Doll et al.
patent: 4189987 (1980-02-01), Amberg
patent: 4252053 (1981-02-01), Muto
patent: 4370155 (1983-01-01), Armbruster
patent: 4432213 (1984-02-01), Katahira
patent: 4553992 (1985-11-01), Boissinot et al.
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