Patent ID: 7624896
Filing Date: 2009-12-01
Classification: A47J,Y10S

Abstract:
1. A device for supplying liquids in vending machines for food or drinks, the device being valveless and comprising a heating arrangement ( 3 ) for heating up said liquids and an electric drive pumping group ( 4 ; 101 ), characterized in that each pump of said pumping group ( 4 ; 101 ) has an intake ( 4 ′; 102 a , 102 b ), at least a first and a second vertical output duct ( 8 a - 8 b , 8 c - 8 d , 8 e - 8 f , 800 a , 800 b ) for conveying liquids contained in a tank ( 2 ) to corresponding mixing devices ( 7 a , . . . , 7 F each being equipped with at least an impeller ( 11 a , . . . , 11 c , 110 a , 110 b ), housed in a shell ( 12 , 103 ) having an open bottom and a curved side wall ( 12 a ), said first and second output ducts ( 8 a - 8 b , 8 c - 8 d , 8 e - 8 f ) each having an intake (Ia-Ib, Ic-Id, Ie-If) arranged on a vertical tangent of the curved side wall 12 a ) of said shell ( 12 , 103 ), the output ducts being selectively activated according to the direction of rotation of said at least one impeller ( 11 a , . . . , 11 e ) in said pumping group ( 4 , 101 ) and the intakes (Ia-Ie) and vertical outlet ducts being valveless and unobstructed.