Patent ID: 7051900

Claim:
An apparatus for gas operated particle feeding of particles to an outlet port comprising: a fixed member having a bottom with a particle aperture centrally disposed therein, a wall upstanding from said bottom and said bottom having a plurality of gas apertures radially disposed therein; said fixed member having an indented edge is attached to a base member having a centrally disposed outlet port and having an indented edge, and a particle outlet element is disposed between said fixed member and said base member wherein said particle outlet element having a constricted aperture centrally disposed therein; a rotating member disposed in said fixed member and restrained transversally by said wall wherein said rotating member having a disk with an agitator on an upper surface thereof and having a feed aperture centrally disposed therein, a radial disk groove oriented toward said bottom and a generally spherical element disposed in said radial disk groove, and a plurality of groove apertures formed in said disk between said radial disk groove and said upper surface; and a top member disposed on said fixed member and said top member having a central opening therein, a radial groove oriented toward said disk and a plurality of top apertures formed in said top member between said radial groove and a top surface, and said agitator protruding through said central opening.