Liquid sample collector and liquid return apparatus

Details Liquid sample collector and liquid return apparatus Liquid sample collector and liquid return apparatus

1998-08-31

2000-06-20

Noland, Thomas P.

Measuring and testing

Sampler, sample handling, etc.

Capture device

7386323, G01N 114

Patent

active

060764104

ABSTRACT:
A liquid sample collector and liquid return apparatus which takes the form of a first tube which has an open lower end which is to be submerged within a liquid source. This first tube is connected to a vacuum source located exteriorly of the liquid source which is to cause removal of aliquots (or samples). Mounted about a portion of the first tube is a second tube which has an open outer end which is spaced from the surface of the liquid source. This open outer end forms an annulus about the first tube. A valving arrangement is provided so that any liquid that is returned to the liquid source is returned only through the second tube.

REFERENCES:
patent: 5780306 (1998-07-01), Schels et al.
patent: 5869774 (1999-02-01), Becklund et al.
patent: 5942440 (1999-08-01), Dooley et al.

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