Patent ID: 6899114

Claim:
A system for mixing a liquid and a concentrate, and for applying a resulting liquid mixture, comprising: a primary tank having a liquid fill fitting, a gas fitting, and an outlet; a pressurized gas source in fluid communication with said primary tank by way of said gas fitting, said gas fitting being operable between a pressurize position and a vent position, said pressurize position placing said pressurized gas source in fluid communication with said primary tank and said vent position venting said primary tank to atmosphere; a concentrate reservoir for holding the concentrate; a venturi in fluid communication with said outlet and said concentrate reservoir, said venturi having an inlet side, a suction, and an outlet side, said inlet side being adjacent said outlet and said suction being in fluid communication with said concentrate reservoir, said venturi being arranged and configured to mix the liquid and the concentrate into the liquid mixture; an activation valve having an open and a closed position, wherein said closed position preventing the liquid from flowing through said venturi and said open position allowing the liquid to flow through said venturi; and wherein said system is configured such that said pressurized gas source expels the liquid through said outlet and said mixing device, thereby creating the liquid mixture.