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A post-mix beverage dispensing system includes a completely disposable concentrate dispensing assembly, a non-disposable mixing nozzle structure which mixes concentrate and water without permitting the concentrate to touch any nozzle walls and a valving system which permits a single peristaltic pump

A post-mix beverage dispensing system includes a completely disposable concentrate dispensing assembly, a non-disposable mixing nozzle structure which mixes concentrate and water without permitting the concentrate to touch any nozzle walls and a valving system which permits a single peristaltic pump wheel to selectively dispense concentrate from one of a plurality of concentrate supplies operatively associated with the single pump wheel.

대표청구항 ▼

In a post-mix beverage dispenser including a water supply assembly, a concentrate supply assembly and a mixing assembly for mixing water from the water supply assembly and concentrate from the concentrate supply assembly together to form the post-mix beverage, the improvement comprising: (a) perista

In a post-mix beverage dispenser including a water supply assembly, a concentrate supply assembly and a mixing assembly for mixing water from the water supply assembly and concentrate from the concentrate supply assembly together to form the post-mix beverage, the improvement comprising: (a) peristaltic pump means having a rotary pumping member; (b) the concentrate supply assembly being disposable and including, 1. a disposable concentrate container; and 2. disposable flexible conduit means connecting said concentrate container to said mixing assembly and being disposed in operative engagement with said rotary pump member to cause concentrate in the container to be pumped through the conduit means to the mixing assembly; (c) nozzle means within the mixing assembly coupled to the water supply assembly for directing the water to an isolated mixing area out of contact with any surfaces of the dispenser, said nozzle means including 1. a housing having an input end for the water and concentrate, and a discharge opening at an output end thereof, said housing having an axial bore extending from the input end to the discharge opening, 2. a toroidal chamber at said input end of the housing having an inlet conduit for said water tangentially disposed with respect thereto to create a swirling of the water in said chamber, 3. means for directing said water from said toroidal chamber through the housing concentrically about the axial bore and out of said discharge opening to convergence at the isolated area outboard of the nozzle, and 4. means for directing a stream of the concentrate from the input end along the longitudinal axis of the housing through said axial bore to said mixing area, the diameter of the stream being less than the diameter of the axial bore to preclude the concentrate from contacting any surfaces of the nozzle housing; and whereby the water and concentrate are mixed together to form a post-mix beverage and the concentrate is precluded from contacting any portions of the water supply or mixing assemblies of the dispenser.