A valve including a feed mechanism, a mixing element operably connected to the feed mechanism, wherein the feed mechanism delivers at least two fluids to the mixing element, the at least two fluids being mixed in the mixing element, and an air cap disposed proximate an outlet of the mixing element to atomize the mixed fluids exiting the outlet of the mixing element, is provided. Furthermore, an associated method is also provided.

A barrel (20) adapted for use with a spray gun (2) is disclosed. The barrel (20) comprises a boost feed port (44) fluidly connected to a boost passageway (48), the boost passageway (48) being integral to the barrel (20). The boost passageway (48) is adapted to convey a pressurized boost fluid originating in the spray gun (2) to a boost delivery port (56) to assist in urging a coating fluid from a compatible coating fluid reservoir (80) for spraying by the spray gun (2).

Spray head assemblies, including an air-handling saddle that is attachable to a liquid spray gun platform, a liquid-handling core that is slidably engagable into the air-handling saddle, and an air cap; spray guns using such assemblies; and, methods of using such assemblies.

An injector apparatus and methods for use, where the injector apparatus comprises: (a) hydraulic stage having first and second ends and including a housing defining a cavity, a primary plunger disposed in the cavity and a secondary plunger, (b) a pressurization system coupled to the hydraulic stage's first end, where the primary plunger is in fluid communication with the pressurization system and is in mechanical communication with the secondary plunger, (c) a reservoir bore defined in the hydraulic stage housing and configured to receive the primary plunger's second end, where the secondary plunger is disposed within the reservoir bore and (d) a nozzle assembly including a housing, a gas tube and a nozzle capillary, where the nozzle capillary is partially disposed in and is substantially coaxial with the gas tube, where the nozzle capillary's first end is in fluid communication with the reservoir bore's second end.

Provided in the present disclosure is a spray ionization device comprising: a first tube that has a first flow path in which a liquid can flow, the first tube having a first outlet on one end thereof from which the liquid is sprayed; a second tube that surrounds the first tube with a gap therebetween and has a second flow path in which a gas can flow, the second tube having a second outlet on the one end thereof and the second flow path being defined by the outer peripheral surface of the first tube and the inner peripheral surface of the second tube; and an electrode contacting the liquid flowing through the first flow path, the electrode being able to apply a voltage to the liquid by means of a power source connected to the electrode, wherein charged droplets of the liquid can be sprayed from the second outlet.

An electrostatic spray dryer for drying liquid into powder including an elongated cylindrical drying chamber having an electrostatic spray nozzle at an upper end and a powder collection vessel at a lower end. The powder collection vessel includes a removable and replaceable filter collections sock made of filter material for receiving and collecting dried powder from the drying chamber. For cleaning residual powder from an inside wall of the drying chamber, a scraper member is provided that is coupled by magnetic attraction to a manually removable driver on the external surface of the wall.

A liquid flow-focusing apparatus for droplet atomization may include a dispensing body, including a liquid duct and a gas duct defined therein. The apparatus may include a plurality of nozzle wells defined in the dispensing body. The apparatus may include a plurality of flow-focusing nozzle inserts. Each nozzle well of the plurality of nozzle wells may be shaped to house a flow-focusing nozzle insert of the plurality of flow-focusing nozzle inserts. Each flow-focusing nozzle insert of the plurality of flow-focusing nozzle inserts may be housed in a corresponding nozzle well of the plurality of nozzle wells. Each flow-focusing nozzle insert of the plurality of flow-focusing nozzle inserts may be in fluid communication with the liquid duct and the gas duct.

A spray gun nozzle is provided, including: a hood located outside a central nozzle and connected to a spray gun; an annular snout sleeved on the hood and connected to the hood, wherein the annular spout includes: a first pipe body; a second pipe body sleeved with the first pipe body; an annular bottom surface connected with an end of the first pipe body and an end of the second pipe body, wherein the first pipe body, the second pipe body and the annular bottom surface form an annular cavity; and an annular spout air inlet provided on the annular bottom surface and communicated with the annular cavity; and an annular spout air inlet pipe connected with the annular spout air inlet.

Disclosed is a double-flow nozzle according to the present invention, the double-flow nozzle including: a body portion provided with a space portion defined at an inner side thereof; a first discharge pipe provided at the body portion and discharging a first fluid being supplied to the space portion; and a second discharge pipe discharging a second fluid while being in a state inserted into the first discharge pipe, wherein the first discharge pipe, in a state spaced apart by a predetermined gap from an outer surface of the second discharge pipe, includes a plurality of swirl-generating flow passages spaced apart by a predetermined interval from each other and arranged along a circumferential direction of the second discharge pipe.

An apparatus for creating solid or liquid nanoparticles having a nozzle to create a first particle size from a bulk liquid flow that is in fluid communication with a gas flow amplifier comprising an inlet cone connected to and in fluid communication with the inlet of a cylindrical housing; a diffuser connected to and in fluid communication with the outlet of said housing; and said housing comprising at least two rings of ports disposed of along a circumference of the cylindrical housing; and a means to inject compressed gas into the housing through said ports.