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Process and apparatus for spraying liquid

  • US 4,962,885 A
  • Filed: 10/24/1989
  • Issued: 10/16/1990
  • Est. Priority Date: 04/17/1978
  • Status: Expired due to Term
First Claim
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1. A process for spraying liquid at a target, which comprises atomising liquid by charging it electrostatically at a charged conductive surface, projecting the charged atomised liquid on a path toward the target and at least partially discharging the charged particles so formed with an ionic discharge induced by the particles as they pass an earthed electrode having a sharp or pointed edge sited adjacent said path and pointing away from said charged conductive surface.

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