Method of reducing corona discharge in an electrostatic spray gu

Details Method of reducing corona discharge in an electrostatic spray gu Method of reducing corona discharge in an electrostatic spray gu

1983-10-05

1985-10-01

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

Electrical device making

29455R, 29458, 239691, 427230, H01C 1702

Patent

active

045437106

ABSTRACT:
A method of substantially eliminating corona discharge at the high-value resistor of an electrostatic spray gun comprises the steps of inserting an insulating tube within a bore formed in the gun barrel, positioning a high-value resistor in the insulating tube, filling a portion of the insulating tube with a slug of dielectric material such as grease and then inserting a high voltage cable into the insulating tube so as to force the grease ahead of the cable. The grease encapsulates the resistor and flows into the space between the insulating tube and bore in the gun barrel to eliminate the presence of air around the resistor so as to prevent corona discharge.

REFERENCES:
patent: 2489992 (1949-11-01), Tucker
patent: 4182490 (1980-01-01), Kennon
patent: 4241880 (1980-12-01), Hastings
patent: 4273293 (1981-06-01), Hastings
patent: 4335851 (1982-06-01), Hastings

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