| 摘要 |
A machine for producing frozen confection products. A frozen confection product may be a dairy based product or a non-dairy based product, or a synthetic type of product, or the like. It may be fruit flavored, carbonated, non-carbonated, or alcholic in nature. It may be of the type referred to as soft serve ice cream. The machine includes a freeze unit provided with a freeze chamber into which a gas and a food material flow. The gas and the food material are mixed within the freeze chamber. The freeze chamber has an inner wall and an outer wall. A refrigerant flows between the inner wall and the outer wall. A coil, snugly positioned between the inner wall and the outer wall, controls flow of refrigerant and limits the volume of refrigerant necessary to obtain maximum effectiveness of the refrigerant. Within the freeze chamber are rotatable mixer elements which mix the gas and the food material and enhance volumetric expansion of the mixture to produce a food product. A valve controls flow of the food product from the freeze chamber.
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