Gas flow measuring device and gas flow measuring method

Details Gas flow measuring device and gas flow measuring method Gas flow measuring device and gas flow measuring method

2006-11-28

2006-11-28

Thompson, Jewel (Department: 2855)

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

Reexamination Certificate

active

07140260

ABSTRACT:
The present invention realizes (i) a gas flow measuring device which can measure a gas flow of a low-boiling gas in a mixed gas including two types of gasses having different boiling points, and (ii) a method of measuring a gas flow easily but highly precisely, using the gas flow measuring device. The gas flow measuring device includes a condensing tank for condensing a mixed gas in which two types of gasses having different boiling points are mixed with each other, and a flow meter for measuring the flow of the mixed gas. After condensing the mixed gas in the condensing tank so as to cause the gas flow of the high-boiling gas to be known, the flow is measured using the flow meter so that the gas flow of the low-boiling gas is worked out.

REFERENCES:
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patent: 6237348 (2001-05-01), Ide et al.
patent: 6593189 (2003-07-01), Kanda
patent: 6705100 (2004-03-01), Wolfgram et al.
patent: 2646788 (1997-05-01), None

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