Water-based plural component spray painting system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5328093
SERIAL NO

08098801

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The invention includes an electrically isolated electrically less-conductive component fluid-flow course and an electrically-grounded electrically more-conductive component fluid-flow course. The electrically more-conductive component fluid-flow course may be additionally electrically isolated at the preference of an operator. The invention includes an electrostatic spray gun a mixer positioned proximal to the electrostatic spray gun, and a first conduit which holds alternating segments of electrically more-conductive component and electrically less-conductive component. The alternating segments function in series to additively provide a combined resistance which electrically blocks the high-voltage potential generated at the electrostatic spray gun. This, in turn, effectively isolates the electrically more-conductive component fluid-flow course and electrically less-conductive fluid-flow course from the high-voltage potentials, which significantly improves the safety of an electrostatic spray gun used with water-based paints, while simultaneously permitting the use of a standard color change system.

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Patent Owner(s)

  • GRACO MINNESOTA INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Feitel, Ann St. Louis Park, MN 2 18

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