Measuring and testing – Gas content of a liquid or a solid – Particular separator
Patent
1995-10-24
1997-02-25
Brock, Michael
Measuring and testing
Gas content of a liquid or a solid
Particular separator
G01N 714
Patent
active
056061110
ABSTRACT:
A test cell apparatus and method for measuring gases emitted from a test ple. The apparatus having hollow, enclosed, gas impermeable chamber having side walls terminating at a closed end and a gas transfer end. The gas transfer end receives and emits a flow of a gas therethrough. The cell has a planar platform in the chamber extending from the closed end to the gas transfer end defining a first chamber portion including a first gas transfer end portion, and a second chamber portion including a second gas transfer end portion. The platform has an opening therethrough at a location proximate to the closed end of the chamber and a fan installed in it near the gas transfer end. Means are provided for fixing a test article through the platform such that part of the test article is positioned and exposed within the first chamber portion and another part of the test article is positioned and exposed within the second chamber portion. Means are provided for continuously moving a gas into the first gas transfer end portion, through the first chamber portion, over that part of the test article exposed within the first chamber portion, through the platform opening proximate to the closed end of the chamber, through the second chamber portion, over that part of the test article exposed within the second chamber portion, and out the second gas transfer end portion. Preferably the gas is recirculated from the second gas transfer end portion to the first gas transfer end portion. The testing apparatus is useful for measuring the offgasses emitted from a test sample.
REFERENCES:
patent: 4112739 (1978-09-01), Lyssy
patent: 4192175 (1980-03-01), Godai et al.
McMahon Thomas M.
Moskal Michael D.
Pili e Roland J.
Biffoni Ulysses John
Brock Michael
Stolarun Edward L.
The United States of America as represented by the Secretary of
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