Malfunction detector for electrostatic spraying apparatus

Details Malfunction detector for electrostatic spraying apparatus Malfunction detector for electrostatic spraying apparatus

1983-10-12

1986-05-06

Cherry, Johnny D.

Fluid sprinkling, spraying, and diffusing

Electrostatic type

With automatic safety feature

239 71, B05B 502

Patent

active

045866570

ABSTRACT:
A spray malfunction detector system for electrostatic spraying apparatus having a sprayhead connectable to a high voltage source and for directing spray of charged particles of fluid towards an earthed target. The system comprises an earth circuit from the earthed target, a by-pass electrode located in the vicinity of the sprayhead and maintained in use at such a potential as to attract corona discharge from the sprayhead, and a current detector located in the earth circuit between the earthed target and any junction in the earth circuit and by which corona discharge joins the earth circuit from the by-pass electrode.

REFERENCES:
patent: 2395850 (1946-03-01), Colman
patent: 2610237 (1952-09-01), Benner
patent: 3260616 (1966-07-01), Brewer
patent: 3739228 (1973-06-01), Point
patent: 3831089 (1974-08-01), Pearce
patent: 3991367 (1976-11-01), Chapman et al.
patent: 4335419 (1982-06-01), Hastings
patent: 4358059 (1982-11-01), Coffee
patent: 4433296 (1984-02-01), Kolibas

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