A valve for dispensing a liquid includes a housing, an internal liquid passage extending through the housing, a valve seat, a valve member movable between a closed position engaging the valve seat and an open position disengaging the valve seat, and a control member controlling movement of the valve member, which is movable between a first position in which it engages the valve member in its closed position, a second position in which the valve member is in its open position but still engaging the control member and a third position in which the valve member is in its open position and out of engagement with the control member. At least one air passage connects the outside of the valve with the internal liquid passage. The at least one air passage is closed in the first and second positions of the control member and is opened in the third position.

An aerating system for treating a waste lagoon or some type of wastewater that captures and recirculates air that has been previously pumped into the lagoon via a skirt. The system also utilizes an oxygen source to pump oxygen into the waste lagoon or wastewater that can also be recirculated. A manifold of the system is designed to have intakes for both the recirculated air and for the oxygen source.

A nozzle includes an outer gas flow path, an inner gas flow path radially inward from the outer gas flow path, a liquid flow path defined radially between the inner gas flow path and the outer air flow path, and a core conduit defined radially inward from the inner gas flow path. An injector assembly includes an outer housing, a nozzle within the outer housing, and an outer housing gas flow path defined radially outward from the nozzle between an inner surface of the outer housing and an outer surface of the nozzle. The nozzle includes an outer gas flow path, an inner gas flow path radially inward from the outer gas flow path, a liquid flow path defined radially between the inner gas flow path and the outer gas flow path and a core conduit defined radially inward from the inner gas flow path.

A device aerates a drinkable liquid inside a handheld container. An aerator is detachably mounted on the container in a mounted position. The aerator has an aerator portion that extends into the liquid and that is held adjacent an interior surface of a side wall of the container in the mounted position. The aerator portion has a multitude of turbulence-inducing agitating elements, such as pores, through which the liquid in the container flows to, and impacts against, the interior surface of the side wall of the container, and mixes with ambient air in the container, when the container is manually swirled to aerate the liquid.

A humidifier assembly is configured to humidify a pressurized flow of breathable gas from a flow generator of a CPAP unit and includes a base configured to be attached to the flow generator, the base including a recess portion. A water receptacle is configured to be received within the recess portion of the base and includes a floor and a flange around an opening at the top of the water receptacle. A lid is hingedly attached to the base and is configured to pivot between an open position and a closed position. This lid includes a top wall, an outer depending wall, an inner depending wall in the form of a double wall, and an outlet pipe. A lid seal is attached to an underside of the top wall of the lid by way of a tongue and groove structure. A catch is located on the base and configured to lock the lid in the closed position.

A method is provided for producing fine-bubble water by resonance foaming and vacuum cavitation, and a device for manufacturing each of ultra-fine-bubble water of hydrogen gas having a reducing radical function, ultra-fine-bubble water of air and oxygen gas having an oxidizing radical function, ozone ultra-fine-bubble water having a sterilization function enabled by ozone, and fine-bubble water of nitrogen/carbon dioxide gas for increasing the ability to preserve the freshness of raw agricultural products, livestock products, and marine products.

A liquid aerating device is presented. The device includes a first inner channel through which air flows in a first direction, a second inner channel extending substantially parallel to the first inner channel, wherein liquid flows through the second inner channel in a second direction that is opposite of the first direction, and an aeration chamber. The aeration chamber is connected to the first inner channel and the second inner channel, and positioned such that the air flows into the first inner channel from the aeration chamber and the liquid flows out of the second inner channel into the aeration chamber.

A hollow expansion chamber of the present invention is configured to temporarily contain an expansion of bubbles during an aeration process for aerating a liquid, where a chamber body of the expansion chamber has an oblate spheroid shape. When moving circumferentially downward along the chamber body starting from a maximum inside diameter, the oblate spheroidal shape of a bottom portion has a first integral transition that is a tangential transition to a first frustoconical shape. Continuing moving circumferentially downward, the first frustoconical shape has a second integral transition to a cylindrical extension. The cylindrical extension at a distal end has a bottom opening configured to fit within an opened bottleneck. The first frustoconical shape has a minimum angle of 15 degrees relative to a horizontal plane. The second integral transition is a radial second integral transition having an inside surface radius of at least 0.25 inches.

The present invention relates to a milk frother assembly which makes the two stirrers rotate forward and reverse respectively, by using the reversing drive mechanism, rotating rod one, rotating rod two, a carabiner and two stirrers, so as to achieve the advantage of more efficient milk frothing and controlling of the quality of milk bubbles. The assembly allows through its novel setting of the length adjustment mechanism, to manually slide the slide plate, then move the rotating rod two through the sleeve and the connecting rod, and then adjust the position of the inner stirrer head, which is suitable for making milk froth in various capacities.

A minute bubble generator includes a flow path member including a flow path allowing a liquid to pass therethrough; and a colliding part provided in the flow path and generating minute bubbles in the liquid passing through the flow path by locally reducing a cross sectional area of the flow path. The colliding part is formed integrally with the flow path member and is provided closer to an upstream end or a downstream end relative to a lengthwise center of the flow path.