A pump for dispensing semi-liquid food products, which comprises an inlet opening, an outlet opening, a dispensing path between the inlet opening and the outlet opening, a rotor for pushing the product along the dispensing path, and an airtight chamber, which is interposed between the inlet and outlet openings and coaxially contains the rotor； the dispensing path is defined by the cyclically choked gap formed between the outer periphery of the rotor, equipped with three projecting and angularly equidistant lobes and the inner periphery of the chamber, which is elastically deformable.
