Patent ID: 6581778
Filing Date: 2003-06-24
Classification: B65G,Y10S

Abstract:
A powder receiving device comprising:a housing; a loading chamber within a housing; said loading chamber for conveying powder to a hopper therebelow and having a powder loading opening in said loading chamber; a blower drawing air on an air path from said loading chamber; a container containing powder to be loaded through said powder loading opening into said loading chamber; a first air outlet from said air path; said first air outlet being close to said hopper, thereby increasing a fluidity of said powder in said hopper, whereby a flow of said powder through said hopper is improved; a second air outlet high in said loading chamber for producing a downward flow of air toward said hopper and a third air outlet from said air path; said third air outlet being on an exterior of said loading chamber above said powder loading opening, whereby powder in said container is preferentially directed from said container into said loading chamber.