Filter container
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United States of America Patent
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-
Jun 30, 1992
Grant Date -
N/A
app pub date -
Nov 30, 1990
filing date -
Dec 6, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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