Portable clean air facility

Details Portable clean air facility Portable clean air facility

1986-10-31

1988-03-22

Hart, Charles

Gas separation

With means facilitating transportability or handling of...

55385A, 55473, 55500, B01D 4610

Patent

active

047325925

ABSTRACT:
A portable environmental clean air frame facility including a power unit section and a clean air section. The frame is formed by P.V.C. pipes and fittings so that clear plastic sheeting material may be formed and draped over the clean air section to form a clean air enclosure. The power unit section includes a blower motor having a prefilter unit on each end. One end draws air from the surrounding medium and one is connected to the clean air enclosure. The prefiltered air is directed through a HEPA filter, through an air delivery duct and into the enclosure. A bypass damper is provided for controlling the air flow velocity and for producing either a positive or negative pressue in the enclosure.

REFERENCES:
patent: 3505989 (1970-04-01), Truhan
patent: 4202676 (1980-05-01), Pelosi
patent: 4548627 (1985-10-01), Landy
patent: 4549472 (1985-10-01), Endo et al.
patent: 4553992 (1985-11-01), Boissinot et al.

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