Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroshi Nakamura0
Date of Patent
November 25, 2008
Patent Application Number
11277681
Date Filed
March 28, 2006
Patent Primary Examiner
Patent abstract
An exhaust gas analyzer includes a main flow path and at least one sub-flow path. Exhaust gas from an internal combustion engine is introduced to the main flow path; sub-flow paths are parallel to the main flow path. Plural kinds of analyzers are mounted on the main flow path and sub-flow paths to measure concentration of multiple components in the exhaust gas. Actual measurement values of the concentration for the measured components are obtained. A deviance from a true value generated to an actual measurement value due to a mutual influence of the measured components is corrected based on at least one actual measurement value.
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