Aircraft air supply hose inline filter
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United States of America Patent
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Feb 14, 2017
Grant Date -
N/A
app pub date -
May 5, 2014
filing date -
May 3, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A flexible air hose connection between a preconditioned air unit and an aircraft incorporates an air filter between the first and second ends to capture and filter foreign matter in the air stream through the flexible tube. The filter may be sewn, fitted with snaps, hook and loop and/or zippered into the interior of the air hose. In particular embodiments the air filter incorporates a mesh screen, or alternatively comprises a fibrous material of foam, pleated paper, or spun fiberglass. In one embodiment the filter may be a high efficiency particulate air (HEPA) filter meeting the efficiency standard set by the Department of Energy.
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