Aerosol generator having temperature controlled heating zone and method of use thereof
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United States of America Patent
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-
Feb 6, 2007
Grant Date -
Jul 17, 2003
app pub date -
Oct 24, 2002
filing date -
Dec 22, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A temperature and flow rate controlled capillary aerosol generator includes two heating zones optionally separated by a region in which a pressure drop is induced. Power is metered or applied to the downstream, second zone to achieve a target resistance, and therefore a target temperature, while power is metered or applied to the upstream, first zone to achieve a target mass flow rate exiting the second zone. A target temperature is achieved in the second zone to generate an aerosol from the liquid flowing through the generator at the desired mass flow rate.
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