Patent ID: 6220791
Filing Date: 2001-04-24
Classification: B05B

Abstract:
An apparatus for the aerosolization of powders, comprising:(a) a powder reservoir comprising an open top end;(b) a chamber comprising an open bottom end, wherein said chamber is positioned above said powder reservoir such that said powder reservoir open top end and said chamber open bottom end are vertically aligned, and wherein said chamber is adapted to contain a powder cloud characterized by an equilibrium height, and said chamber comprises at least one section, wherein said section is characterized by a diameter, and the diameter of said section increases with height;(c) an agitation means in communication with said powder reservoir;(d) a powder extraction means within said chamber, wherein said powder extraction means is positioned at about the powder cloud equilibrium height; and(e) a baffle near said powder reservoir open top end wherein said baffle blocks the direct flow of powder from said powder reservoir into said chamber.