Patent ID: 8356928

Claim:
A supply assembly for machines used for the preparation and supply of a beverage comprising: a mixing chamber; a mixer comprising at least one impeller positioned inside said mixing chamber for mixing a single dose of a soluble preparation in a previously-established quantity of water; at least one nozzle for introducing said water inside said mixing chamber; wherein said mixing chamber comprises an upper opening for the insertion of said single dose of soluble preparation, said mixing chamber also comprising a lower opening for supplying said beverage in a direction substantially parallel to an axis of rotation of said impeller, said impeller of said mixer being positioned facing said lower opening so as to prevent the escape of said beverage through said lower opening due to the effect of its rotation, said impeller being located in said mixing chamber with the axis of rotation substantially orthogonal to a first surface of the mixing chamber on which it is defined said lower opening, said impeller comprising a second terminal portion, opposite to a first terminal portion facing said first surface, facing a second surface of the mixing chamber opposite to said first surface; a gap between said second terminal portion of said impeller and said second surface of the mixing chamber defining a mixing space, said upper opening of the mixing chamber being placed above said mixing space and being in fluid communication with a first extremity of a funnel designed for the manual introduction of said single dose of soluble preparation.