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Constant ratio post-mix beverage dispensing valve

  • US 5,156,301 A
  • Filed: 12/17/1990
  • Issued: 10/20/1992
  • Est. Priority Date: 12/17/1990
  • Status: Expired
First Claim
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1. A constant ratio post-mix beverage dispensing valve, comprising:

  • a valve body, the valve body having a carbonated water channel first portion and a syrup channel first portion, both first channel portions extending partially through the valve body from first portion first ends initiating at a valve body connecting end for providing connection to sources of carbonated water and syrup respectively and terminating at first portion second ends, and the valve body having a carbonated water channel second portion and a syrup channel second portion therein, both second channel portions extending partially through the valve body from second portion first ends and terminating at second portion second ends for communicating with valve means, the valve means for regulating flow of carbonated water and syrup from the sources thereof to a dispensing nozzle,the carbonated water second channel portion having a flow control means therein,a plug releasably insertable into the valve body, said plug including sealing means for sealing with the valve body, providing access to the flow control means, and having a top surface forming an interior surface portion of the carbonated water second channel portion, anda gear ratioing means, the ratioing means having a housing for retaining a carbonated water gear pair and a syrup gear pair therein, one gear of each gear pair secured to a common drive shaft, and the carbonated water gear pair rotating within a carbonated water cavity and the syrup gear pair rotating within a syrup cavity, and each cavity fluidly separate from the other and having an inlet and an outlet, and the ratioing means sealably securable to the valve body so that both the syrup cavity and the carbonated water cavity inlets are in sealed fluid communication with the carbonated water and syrup channel first portion second ends respectively, and so that the syrup cavity and the carbonated water cavity outlets are in sealed fluid communication with the carbonated water and syrup channel second portion first ends respectively so that the carbonated water and syrup can flow through the ratioing means wherein a desired volume ratio between the carbonated water and syrup is maintained as a function of the relative size of the gear pairs to each other.

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