ULTRASONIC SPRAY COATING SYSTEM AND SPRAY-FORMING HEAD THEREOF
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United States of America Patent
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Issued Date -
Sep 17, 2015
app pub date -
Mar 13, 2014
filing date -
Mar 13, 2014
priority date (Note) -
Abandoned
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Abstract
An ultrasonic spray coating system includes a piezoelectric transducer, a spray-forming head and a liquid supply applicator. The spray-forming head has an air-entrainment mechanism. The air-entrainment mechanism has an air-stream channel that is formed inside a main body and a bottom body of the spray-forming head for connection with a high-pressure air source, and an air vent formed in a bottom surface of the bottom body and communicates with the air-stream channel. A length of the air vent in a horizontal direction is greater than that of the air-stream channel. The liquid supply applicator has a discharge orifice, and a control component for controlling the size of the discharge orifice.
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