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Liquid dispensing equipment that includes a dispensing head that maintains a liquid or beverage line and delivery tip at a cool temperature so as to avoid contamination of the beverage. The liquid dispensing equipment also includes a storage refrigerator that cools a container of the beverage. A fan

Liquid dispensing equipment that includes a dispensing head that maintains a liquid or beverage line and delivery tip at a cool temperature so as to avoid contamination of the beverage. The liquid dispensing equipment also includes a storage refrigerator that cools a container of the beverage. A fan assembly is disposed to develop a cool airflow that flows through the storage refrigerator and a passage of the dispensing head. The liquid line and a delivery tip are disposed in the passage. A baffle arrangement maintains a volume of the cool airflow in a chamber adjacent the delivery tip so as to provide a shield against warmer ambient temperatures.

대표청구항 ▼

1. A method for controlling temperature of a liquid dispensing head that has a tip through which liquid is dispensed, said method comprising: (a) supplying a cool airflow to a passage of said dispensing head through which said liquid passes; and (b) capturing a volume of said cool airflow in a c

1. A method for controlling temperature of a liquid dispensing head that has a tip through which liquid is dispensed, said method comprising: (a) supplying a cool airflow to a passage of said dispensing head through which said liquid passes; and (b) capturing a volume of said cool airflow in a chamber adjacent said tip to shield said tip from ambient temperature, thereby maintaining said tip at a cool temperature to avoid contamination of said liquid. 2. The method of claim 1, wherein said airflow passes from said passage into said chamber via one or more shaped apertures to control said cool airflow through said chamber. 3. The method of claim 1, wherein said cool temperature is in the range of about 33° F. to about 41° F. 4. The method of claim 1, wherein said volume of airflow shields said tip from ambient. 5. A liquid dispensing system comprising: a liquid dispensing head comprising a passage therethrough and a liquid delivery tip, through which liquid is dispensed and which is disposed adjacent a chamber; and means for circulating a cool airflow through said passage into said chamber to shield said tip from ambient temperature, thereby maintaining said tip and said passage at a cool temperature to avoid contamination of said liquid. 6. The liquid dispensing system of claim 5, further comprising a liquid line disposed in said passage and connected to said tip. 7. The liquid dispensing system of claim 5, further comprising a liquid line disposed in said passage, wherein said tip is an end of said liquid line. 8. The liquid dispensing system of claim 5, wherein said chamber includes at least one hole in registry with said tip, and wherein said liquid dispensing head further comprises a baffle that directs said airflow in a controlled manner through said chamber. 9. The liquid dispensing system of claim 8, wherein said baffle includes one or more shaped holes to control said airflow to said chamber. 10. The liquid dispensing system of claim 8, wherein said baffle includes a series of holes in registry with said tip to direct the flow of liquid from said tip through said hole in said chamber. 11. The liquid dispensing system of claim 5, wherein said cool temperature is in the range of about 33° F. to about 41° F. 12. The liquid dispensing system of claim 5, further comprising thermal insulation disposed to limit thermal transfer from said passage.