An electrostatic spraying device in which liquid emerging from an outlet of the device nozzle (12) is subjected to an electrical field sufficiently high for the liquid to be drawn from the outlet as one or more ligaments which break up into charged droplets to form the spray. The device is adapted for...http://www.google.fr/patents/US5222663?utm_source=gb-gplus-shareBrevet US5222663 - Electrostatic spraying device and method using an alternating polarity high potential
Electrostatic spraying device and method using an alternating polarity high ...
