Remote vehicle emissions sensing system and method for differentiating water from hydrocarbons
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United States of America Patent
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Sep 16, 2014
Grant Date -
Sep 26, 2013
app pub date -
May 20, 2013
filing date -
Dec 21, 2009
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Abstract
Water droplets in exhaust gas that is, or was, analyzed by a remote emissions sensing system are detected. The detection may be made using measurements generally captured by the remote emissions sensing system during typical operation. As such, the detection may be applied “on site” as remote emissions sensing analysis is ongoing, or may be applied post hoc from data previously acquired by a remote emissions sensing system. The detection may be implemented without requiring additional sensors, more sophisticated sensors, and/or other additional or more sophisticated equipment being included in the remote emissions sensing system.
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