Brewed iced tea or non-carbonated drink dispenser
First Claim
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1. A beverage dispensing apparatus comprising:
- a water supply;
a concentrate supply;
a mixing chamber for mixing water and the concentrate and dispensing the mixture;
a pressure regulator connected to said water supply;
a water heater connected downstream of said pressure regulator;
a hot water inlet valve disposed in a hot water line between said pressure regulator and said mixing chamber for controlling flow of hot water to said mixing chamber;
a hot water restriction disposed in the hot water line and having a first fixed orifice flow size;
a cold water valve disposed in a cold water line between said pressure regulator and said mixing chamber for controlling flow of cold water to said mixing chamber;
a cold water restriction disposed in the cold water line and having a second fixed orifice flow size; and
a controller for controlling said concentrate supply and said hot and cold water valves to respectively supply concentrate, hot and cold water to said mixing chamber simultaneously to form a beverage mixture of predetermined proportions, wherein said hot and cold water restrictions meter the hot and cold water at a predetermined ratio regardless of the pressure of said water supply.
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Abstract
A beverage dispensing apparatus includes a mixing chamber for mixing hot water, a beverage concentrate and cold water, as well as one or more additives. The hot water and cold water are supplied at a predetermined flow rate at a predetermined proportion, regardless of the pressure of the water supply. A water heater supplies the hot water within a specified pressure range and without significant entrapped air.
97 Citations
10 Claims
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1. A beverage dispensing apparatus comprising:
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a water supply;
a concentrate supply;
a mixing chamber for mixing water and the concentrate and dispensing the mixture;
a pressure regulator connected to said water supply;
a water heater connected downstream of said pressure regulator;
a hot water inlet valve disposed in a hot water line between said pressure regulator and said mixing chamber for controlling flow of hot water to said mixing chamber;
a hot water restriction disposed in the hot water line and having a first fixed orifice flow size;
a cold water valve disposed in a cold water line between said pressure regulator and said mixing chamber for controlling flow of cold water to said mixing chamber;
a cold water restriction disposed in the cold water line and having a second fixed orifice flow size; and
a controller for controlling said concentrate supply and said hot and cold water valves to respectively supply concentrate, hot and cold water to said mixing chamber simultaneously to form a beverage mixture of predetermined proportions, wherein said hot and cold water restrictions meter the hot and cold water at a predetermined ratio regardless of the pressure of said water supply. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification