Method and device for spraying a pulverulent material into a carrier gas
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United States of America Patent
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Apr 2, 2013
Grant Date -
Aug 5, 2010
app pub date -
Jul 3, 2008
filing date -
Jul 5, 2007
priority date (Note) -
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Abstract
Method of spraying a pulverulent material into a carrier gas, comprising the acceleration of the carrier gas under pressure up to a sonic velocity before an expansion enabling the pulverulent material to be entrained, with formation of a constant stream of carrier gas entraining an adjustable predetermined amount of pulverulent materials, and safety device for spraying pulverulent material into a carrier gas.
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