Exhaust gas analyzing apparatus
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United States of America Patent
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Oct 16, 2018
Grant Date -
Nov 19, 2015
app pub date -
May 15, 2015
filing date -
May 15, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An exhaust gas analyzing apparatus of a vehicle mounted type equipped with an analyzer that is configured to analyze components contained in exhaust gas includes a sampling line that is an exhaust gas flow path extending from an exhaust gas introduction terminal that is configured to introduce the exhaust gas from the outside to the analyzer; a pressure reduction source that is configured to reduce a pressure in the sampling line to a predetermined pressure; and a temperature-regulating mechanism that is configured to regulate a temperature of the exhaust gas flowing in the sampling line to be at least a first temperature. The first temperature is set to be a temperature equal to or higher than an evaporation temperature of moisture at the reduced predetermined pressure and lower than an evaporation temperature of moisture at one atmospheric pressure.
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