Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Akiko Kuse0
Hiroshi Okuda0
Date of Patent
November 28, 2006
Patent Application Number
10967214
Date Filed
October 19, 2004
Patent Primary Examiner
Patent 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.
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