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US 2006/0230730 A1Published application
Modular air purification unit
AssigneeTVI Corporation
InventorGreg Tilley
Life of this patent
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Abstract
A modular air filtration unit having a disposable filter section separable from an inlet cap and a blower section. The modular air filtration unit is of rugged, lightweight construction and eases the interchange of used filter assemblies without jeopardizing leakage that might cause contamination of the intended clean environment.
Claims10
An air purification unit, comprising:
- a filter section, comprising:
- an air inlet on a first end,
- a rigidly framed filter inside said filter section and attached to said filter section on said first end such that the said rigid frame is sealed with respect to said air inlet such that the only available flow path through said filter section is through said filter, and
- a fan coupling extending from a second end of said filter section;
- and
- a blower section, comprising:
- an air outlet, and
- an internally mounted motor and fan,
- wherein said fan coupling extends into said blower section when said filter section is joined to said blower section such that the plane of pressure differential of said fan is no further downstream than the free end of said fan coupling.
6 more elements
Dependencies are inferred from the claim text.