Measuring and testing – Sampler – sample handling – etc. – Capture device
Patent
1994-03-28
1995-10-17
Chilcot, Jr., Richard E.
Measuring and testing
Sampler, sample handling, etc.
Capture device
7386434, 731173, B01L 700
Patent
active
054580102
ABSTRACT:
A gas sampling system utilizing a pair of parallel sonic orifices. One of the orifices is connected to a source of filtered, heated samples. The second, larger orifice is connected to a source of dilution gas. A vacuum pump maintains a substantial vacuum behind the orifices, thus assuring critical flow therethrough. The sample and diffusion gas are mixed behind the orifices and transported under partial vacuum for analysis. The dew point of the sample is affected by both the ratio of the diameter of orifices and the degree of vacuum transporting the gas mixture. As such, the dew point can be varied indefinitely by any reasonable combination of orifice ratio and vacuum pump strength.
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Myers Richard
Traina John E.
Alstadt Lynn J.
Chilcot Jr. Richard E.
Noori Max H.
United Sciences, Inc.
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