Patent ID: 8820218

Claim:
Apparatus for automatically dissolving instant powder in hot water and comprising flow generation means for generating a flow of the hot water impinging onto said instant powder with a circular component, wherein a vertical frothing chamber is provided which includes a cylindrical interior wall into which opens a nozzle, said nozzle being connected with a hot water pressure duct, said vertical frothing chamber has an inlet opening into which opens an inlet funnel which is symmetrical, at the inside, about a vertical middle axis of the apparatus including the vertical frothing chamber, said vertical frothing chamber has a bottom including an outlet opening, said vertical frothing chamber comprises an upper horizontal cover wall including said inlet opening which is a powder inlet opening, the upper cover wall of the vertical frothing chamber arranged between the vertical frothing chamber and the inlet funnel passes smoothly via the powder inlet opening into the inlet funnel, which is disposed above the vertical frothing chamber, an interior wall of said inlet funnel expands outward in a parabolic shape starting at the powder inlet opening, and the powder inlet opening and the upper cover wall of the vertical frothing chamber are arranged in a same plane.