DOSING DEVICE INCLUDING TOP AND BOTTOM ROTARY DISKS AND A MIXING CHAMBER

摘要

A beverage preparation apparatus comprising: a storing powder soluble food ingredient container; a mixing chamber (17); and a dosing device for dosing a metered amount of a powdered product. The dosing device comprises: a fixed body (2) made of at least a disc presenting a single pierced aperture (5); a rotary top disk (1) disposed on the top of the fixed body and presenting a taking out pierced aperture; a rotary bottom disk (3) disposed on the bottom of the fixed body and presenting a discharging pierced aperture (6); and a rotary shaft (7) connecting the bottom disk and the top disk. In the stand-by position of the device the metered pierced aperture is empty and closed to the atmosphere.