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Protective device for electrostatic sprayer equipment

  • US 4,672,500 A
  • Filed: 09/14/1984
  • Issued: 06/09/1987
  • Est. Priority Date: 09/14/1983
  • Status: Expired due to Fees
First Claim
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1. Electrostatic sprayer equipment comprising:

  • (a) a high-voltage generator;

    (b) a sprayer operatively connected to said high-voltage generator;

    (c) an electrode for charging a jet of material from said sprayer;

    (d) an electrical power supply for supplying power to said high-voltage generator, said electrical power supply being sited remotely from said high-voltage generator;

    (e) cut-out means for cutting off power from said electrical power supply;

    (f) at least one low-voltage line for connecting said high-voltage generator to said electrical power supply; and

    (g) a protective device for operating said cut-out means when a lower than threshold current is sensed in said at least one low-voltage line.

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