Method and apparatus for airborne particle collection

Details Method and apparatus for airborne particle collection Method and apparatus for airborne particle collection

2007-07-17

2007-07-17

Williams, Hezron (Department: 2856)

Measuring and testing

Sampler, sample handling, etc.

With constituent separation

C073S028020, C073S028040, C073S863510, C073S864330

Reexamination Certificate

active

11140124

ABSTRACT:
Embodiments of an apparatus for collecting biological aerosols from an air sample include a hollow tube adapted for pumping a liquid through an interior volume to an outer surface and a collection surface disposed on the outer surface and adapted for collecting the airborne particles from the surrounding air sample. Collection efficiency is enhanced by a charging mechanism that applies a charge to the airborne particles such that the airborne particles are deflected toward the collection surface. Embodiments of operation for the apparatus include the steps of providing the air sample, directing the air sample toward the hollow tube, and applying a charge to the airborne particles such that the airborne particles deposit on the collection surface/outer surface of said hollow tube.

REFERENCES:
patent: 6761752 (2004-07-01), Fissan et al.
patent: 6955075 (2005-10-01), Carlson et al.
patent: 2004/0083790 (2004-05-01), Carlson et al.
patent: 2005/0105079 (2005-05-01), Pletcher et al.
patent: WO 04001388 (2003-12-01), None

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