Exhaust gas analyzer

Measuring and testing – Gas analysis – Gas of combustion

Reexamination Certificate

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Details

C073S023320, C073S023330, C073S863030, C073S863510

Reexamination Certificate

active

07434449

ABSTRACT:
An SOF measuring system that can continuously measure SOF and a soot measuring system that can continuously measure soot are connected with an exhaust gas line. The soot measuring system comprises a diluter that selectively dilutes either one of the exhaust gas and standard gas whose hydrocarbon concentration is known with diluent gas and extrudes it. A dilution ratio adjusting device can adjust a dilution ratio of the diluter. A soot detector continuously detects soot in the exhaust gas or the standard gas diluted by the diluter. The SOF measuring system can be connected with the diluter so that an exhaust gas analyzer can measure the hydrocarbon concentration in the standard gas diluted by the diluter.

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Partial European Search Report; Application No. EP 05 02 6139; May 16, 2006; European Patent Office.

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