Electrostatic discharge control and isolation system for spraying systems

A fluid dispensing device includes a pump, a drive element for driving the pump, a spray tip for atomizing pressurized fluid from the pump, and an electrostatic discharge protection system. Unsafe accumulation and discharge of static energy created by operation of the device is prevented by the elec...

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Bibliographische Detailangaben
Hauptverfasser: TAM, JIMMY W, HINES, BRADLEY H, KUCZENSKI, STEVEN R, KINNE, ROBERT W, PEMBERTON, DALE C
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:A fluid dispensing device includes a pump, a drive element for driving the pump, a spray tip for atomizing pressurized fluid from the pump, and an electrostatic discharge protection system. Unsafe accumulation and discharge of static energy created by operation of the device is prevented by the electrostatic discharge protection system without need for an earth ground connection. The electrostatic discharge protection system may include a number of features, such as a static wick, nonconductive components that electrically isolate the pump from the spray tip of the device, nonconductive isolation barriers, nonconductive fluid reservoir and suction tube components, and nonconductive coating of a control valve component.