Gas separation – With separating media bypass or system gas pressure relief – Valved bypass means
Patent
1990-11-30
1992-06-30
Nozick, Bernard
Gas separation
With separating media bypass or system gas pressure relief
Valved bypass means
55387, 55473, 454 65, B01D 4600
Patent
active
051259397
ABSTRACT:
An apparatus for filtering contaminated gases. An extraction device provides a slow passage for the gases. The extracton device is in fluid communication with an intake port of a fan aggregation. The fan aggregation provides a vacuum for drawing the gases through the extraction device. The fan aggregation is rigidly supported on top of a filtration container. The gases are expelled by the fan aggregate through an exhaust port and into an interior chamber of the filtration container. A filter blocks the passage of contaminant components of the gases and permits the passage of noncontaminant of the gases from the interior chamber to the atmosphere. A gas-permeable housing surrounds the filter to retain the filter and support the weight of the aggregate.
REFERENCES:
patent: 2243637 (1941-05-01), Landis et al.
patent: 4322230 (1982-03-01), Schoen et al.
patent: 4388514 (1983-06-01), Coughlin et al.
patent: 4446861 (1984-07-01), Tada
patent: 4477270 (1984-10-01), Tauch
AB Ph. Nederman & Co.
Nozick Bernard
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