Method and apparatus for high transfer efficiency electrostatic spray
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United States of America Patent
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app pub date -
Jul 31, 2006
filing date -
Aug 6, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of spraying an aerosol spray, comprising providing a grounded nozzle and an electrode separated by a predetermined distance; placing the electrode at a high electrical potential relative to the nozzle, thereby creating an electric field between the nozzle and the electrode; ejecting a liquid from the nozzle towards the electrode to atomize the ejected liquid into aerosol droplets or particles, so that in the applied electric field between the nozzle and the electrode the aerosol droplets or particles obtain an induced electric charge; and forming a directed spray of aerosol droplets or particles having a desired shape and with sufficient momentum and electric charge so that the directed spray of aerosol droplets or particles is deposited on a target.
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