Air samplers

Details Air samplers Air samplers

2005-02-08

2005-02-08

Maust, Timothy L. (Department: 3751)

Fluent material handling, with receiver or receiver coacting mea

With material treatment

With fluid contact

C141S083000, C141S094000, C141S197000, C073S863210, C073S863830, C073S864340, C073S864810

Reexamination Certificate

active

06851459

ABSTRACT:
An air sampler for use in analyzing biological or other analytes, comprizes an airflow chamber having an air inlet and an air outlet. An extract from an air mover draws ambient air in through the inlet, and then through the chamber, to discharge it back to atmosphere by way of an outlet. The airflow chamber houses a cyclone air/liquid separator through which the inflowing air is caused to pass. An injector introduces liquid into air flowing through the air inlet. The cyclone separator extracts this liquid and any entrained particles therein and discharges it from the airflow chamber, initially by way of a duct, where it is then conveyed to a collection vessel, by way of a three channel peristaltic pump, and a duct. The collection vessel is housed within a Peltier-cooled holder to maintain the contents of the vessel within the 2-8 degree Celsius range.

REFERENCES:
patent: 5154891 (1992-10-01), Brenner
patent: 5621180 (1997-04-01), Simon et al.
patent: 6550347 (2003-04-01), Bradley
patent: 6553848 (2003-04-01), Tallentire et al.
patent: 0213031 (1987-03-01), None
patent: 0668095 (1995-08-01), None
patent: 0927578 (1999-07-01), None

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