Fluid sprinkling – spraying – and diffusing – With means to vibrate or jiggle discharge – By electric transducer
Patent
1990-03-29
1992-04-14
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With means to vibrate or jiggle discharge
By electric transducer
239569, B05B 108
Patent
active
051040425
ABSTRACT:
An ultrasonic nozzle includes an atomizing surface for producing an atomized liquid spray, a liquid-feed passageway for supplying process liquid to the atomizing surface, the passageway having a first-diameter section and a second fluidly connected smaller-diameter section, with a shoulder defined therebetween; an internal shut-off assembly for controlling the supply of process liquid to the atomizing surface, the shut-off assembly including a shut-off rod slidably positioned within the passageway and having a sealing end adapted to cooperate with the shoulder, an actuator piston connected with the opposite end of the shut-off rod and slidable within a cylinder bore which is in fluid communication with the passageway, and a valve actuator for slidably moving the piston and shut-off rod in the passageway between a first closed position and a second open position, by which operation the supply of liquid to the atomizing surface is controlled. A barrier fluid provided in the cylinder bore between the passageway and the piston at a pressure higher than that of the process fluid in the passageway prevents the process fluid from adversely affecting the shut-off assembly, and a substantially frusto-conical air guide in concentric surrounding relation to the atomizing surface at the tip of the nozzle directs and diffuses the spray formed at the atomizing surface.
REFERENCES:
patent: 2481620 (1949-09-01), Rosenthal
patent: 4000852 (1977-01-01), Martin
patent: 4466571 (1984-08-01), Muhlbaner
Atochem North America, Inc.
Henn B. Robert
Kashnikow Andres
Marcus Stanley A.
Weldon Kevin P.
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