Apparatus for pressurization and filtration of contaminated air

Details Apparatus for pressurization and filtration of contaminated air Apparatus for pressurization and filtration of contaminated air

1983-03-08

1985-04-30

Lacey, David L.

Gas separation

Plural serial basically diverse separating media

Plural stages in unitary casing

55431, 55470, 55473, B01D 5000

Patent

active

045141983

ABSTRACT:
This invention describes apparatus for pressurization and filtration of contaminated air for a vehicle or mobile dwelling capable of containing several persons, especially if the contamination is of nuclear, biological and chemical origin. The apparatus comprises an air loop extending between a contaminated air intake and a processed air outlet, comprising two cyclone precleaners, a filter and an air circulation blower. The apparatus also comprises a dust loop extending between the dust outlets of the prefilters and a dust outlet and comprising a dust discharge blower. In this apparatus, the blowers are coupled to an identical driving device, and the intake of the first blower is situated close to the air outlets of the cyclone precleaners.

REFERENCES:
patent: 2775204 (1956-12-01), Batten et al.
patent: 3008542 (1961-11-01), Steele
patent: 3618303 (1971-11-01), Nagel
patent: 3877454 (1975-04-01), Axmann et al.
patent: 4204848 (1980-05-01), Schulmeister et al.
patent: 4348057 (1982-09-01), Parenti et al.

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