Liquid proportioning apparatus and method
First Claim
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1. A liquid proportioning apparatus comprising:
- a fill head;
a container sealingly attached to said fill head;
a pressure sensor in fluid communication with the interior of said container;
pressurization means for pressurizing said container with a gas to a first pressure setting on said pressure sensor;
injection means for introducing a first liquid into said container, said first liquid compressing said gas in said container to a second pressure setting as sensed by said pressure sensor;
pressure release means for releasing said pressure in said container; and
fill means for filling said container with a second liquid.
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Abstract
A liquid proportioning apparatus for proportioning two or more liquids into a bottle. The liquids are accurately proportioned in the bottle by sensing the respective pressure increases in the bottle as each liquid is introduced into the bottle. The bottle is initially pressurized to a first pressure setting to establish a base-line so that subsequent pressure change caused by an incoming liquid will be proportional to the volume of that liquid to the total volume of the bottle. This invention is primarily directed to the selective production of a beverage from a syrup and water or carbonated water.
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Citations
15 Claims
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1. A liquid proportioning apparatus comprising:
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a fill head; a container sealingly attached to said fill head; a pressure sensor in fluid communication with the interior of said container; pressurization means for pressurizing said container with a gas to a first pressure setting on said pressure sensor; injection means for introducing a first liquid into said container, said first liquid compressing said gas in said container to a second pressure setting as sensed by said pressure sensor; pressure release means for releasing said pressure in said container; and fill means for filling said container with a second liquid. - View Dependent Claims (2, 3, 4, 5)
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6. An apparatus for producing a beverage from accurate proportions of a flavored syrup and a water comprising;
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a fill head; a bottle suitable for receiving said beverage; seal means for releasably sealing said bottle to said fill head; a pressure sensor for sensing pressure in said bottle; gas means for pressurizing said bottle to a first pressure setting; syrup means for introducing said flavored syrup into said bottle, said flavored syrup compressing said gas from said first pressure setting to a second pressure setting; vent means for venting said gas from said bottle; and fill means for filling said bottle with said water. - View Dependent Claims (7, 8)
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9. A method for proportioning at least two liquids in a container comprising the steps of:
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pressurizing said container with a gas to a first pressure setting; increasing the pressure in said container from said first pressure setting to a second pressure setting by introducing a first liquid into said container; said first liquid compressing said gas to said second pressure setting; venting said gas from said container; and filling said container with a second liquid. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification