Gas analysis apparatus
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United States of America Patent
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Nov 20, 2018
Grant Date -
Nov 23, 2017
app pub date -
May 11, 2017
filing date -
May 17, 2016
priority date (Note) -
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Abstract
In a gas analysis apparatus including analyzers that need ignition, such as FIDs, in order to make it possible to surely ignite the analyzers while downsizing the entire apparatus, the apparatus includes first and second analyzers to accept a sample gas, a first gas line provided with the first analyzer, a second gas line provided with the second analyzer and joined downstream of the first analyzer in the first gas line. At least one of the first analyzer and the second analyzer is configured to cause pressure fluctuations in the gas line including the analyzer when analyzing the sample gas. A first backflow prevention mechanism is disposed between another of the analyzers and a junction of the gas lines. The first backflow prevention mechanism is configured to prevent a fluid from flowing backward from the one of the analyzers through the junction toward the another of the analyzers.
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