Portable filtration unit
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United States of America Patent
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-
Jul 18, 1995
Issued Date -
N/A
app pub date -
Jul 26, 1993
filing date -
Nov 14, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Portable vacuum and air filtration units including a plurality of separately transportable modules are disclosed. Some units include a mechanism for locking the modules together during use, an air inlet located in one of the modules, a debris screen and a mechanism for receiving debris stopped by the screen located in one of the modules, an electrostatic filter located in one of the modules, a bag filter assembly located in one of the modules, a HEPA filter assembly located in one of the modules, and a mechanism for drawing a substantial volume of air through the inlet, screen, electrostatic filter, bag filter assembly and HEPA filter assembly. Other units include a pliable, tubular mesh for filtering debris.
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