Patent ID: 8505883

Claim:
An improved venturi apparatus for facilitating the mixture of a liquid with atmospheric gases comprising: a funnel section open to the atmosphere and configured to receive the liquid; a cylindrical section disposed below the funnel section and configured to receive the liquid from the funnel section; an intermediate passageway disposed below the cylindrical section and configured to receive the liquid from the cylindrical section, wherein a diameter of the intermediate passageway is greater than a diameter of the cylindrical section; and at least one sidearm passageway fluidly connected to the intermediate passageway and configured to allow the atmospheric gases to flow into the intermediate passageway when the liquid flows through the intermediate passageway; wherein the funnel section, the cylindrical section, and the intermediate passageway are configured to pass the liquid therethrough with the funnel section, the cylindrical section, and the intermediate passageway disposed in vertical alignment and the liquid subjected to gravity.