Patent ID: 8579166

Claim:
A beverage preparation apparatus comprising: a powder soluble food ingredient storage container; a mixing chamber; a dosing device for dosing a metered amount of a powdered product comprising: a fixed body comprising at least a disc having a single pierced aperture; a rotary top disk located on a top of the fixed body and comprising a taking out pierced aperture; a rotary bottom disk located on a bottom of the fixed body and comprising a discharging pierced aperture; a rotary shaft connecting the bottom disk and the top disk; in a stand-by position of the device the single pierced aperture is empty and closed to the atmosphere; the top side of the dosing device cooperates with the storing powder soluble food ingredient container and the bottom side of the dosing device cooperates with the mixing chamber; and the mixing chamber is movable between: a metering position, where the discharging pierced aperture of the rotary bottom disc emerges in the mixing chamber inlet; and a mixing position, where the discharging pierced aperture of the rotary bottom disc does not emerge in the mixing chamber inlet.