Patent ID: 7824457
Filing Date: 2010-11-02
Classification: B01D,B04C,B23D,B23Q,B24B,Y10S

Abstract:
1. A portable cyclonic dust collection arrangement, comprising; a conic body having a conic wall, an upper motor plate closing off a wide upper end of said conic wall, and a narrow nose at a lower end of the conic wall; a horizontal divider plate affixed within said conic body and defining a mechanical fan chamber between the divider plate and the motor plate, and defining a cyclonic chamber between the divider plate and the nose of the conic body, the divider plate having a central passage, and a vortex tube descending from said central passage into the cyclonic chamber; an air inlet conduit penetrating said conic wall below said divider plate and adapted to introduce into said cyclonic chamber a flow of air entraining dust received from a dust-generating source; a dust barrel positioned below said nose and having a lid closing off a top of the dust barrel, the lid having a dust inlet opening; a tubular boot coupling the nose of the conic body to the inlet opening of the lid such that dust separated in the cyclonic chamber from said flow of air drops from said nose, through said boot, into the dust collection barrel; a fan disposed in said mechanical fan chamber and adapted to induce said air flow from said air inlet conduit, into said cyclonic chamber, and through the vortex tube into the mechanical fan chamber; and an air outlet duct penetrating the conic wall at said mechanical fan chamber, and adapted to conduct said flow of air from said fan chamber to a final filter.