Measurement of aerosol mass concentration and mass delivery rate
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United States of America Patent
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Issued Date -
Jan 23, 2003
app pub date -
Jul 30, 2002
filing date -
Jul 30, 2002
priority date (Note) -
Abandoned
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Abstract
Methods and systems employing multiple sensing volumes (50) for electro-optical mass concentration measurement and controlled deliveries of aerosols. Aerosols are transported in a gas flow stream (15). A sensor responsive to particles within a relatively larger sampling volume (156) within the gas flow stream is combined with another sensor responsive to particles within a relatively smaller sampling volume (162) within the gas flow stream.
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