Electrostatic high voltage isolation system with internal charge

Details Electrostatic high voltage isolation system with internal charge Electrostatic high voltage isolation system with internal charge

1984-01-26

1985-10-01

Bueker, Richard

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

118621, 239 3, 239690, 239691, B05D 104, B05B 502

Patent

active

045445702

ABSTRACT:
An electrostatic high voltage isolation system with internal charge generation in which conductive coating material to be sprayed is electrostatically charged by charging discrete droplets of coating material transferred from a coating material source to a supply of coating material for a spray gun. The source of coating material includes an electrically grounded reservoir of coating material having a nozzle aperture in a bottom portion thereof, and the coating material in the reservoir is mechanically vibrated to produce a pulsed jet droplet flow of coating material from the nozzle into a supply container for the spray gun. A high voltage electrode at the location of droplet formation induces an electrostatic charge on the droplets in order to electrostatically charge the coating material transferred to the gun supply container for use by the gun for electrostatic coating.

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