Selective corona charger

Details Selective corona charger Selective corona charger

1976-03-22

1977-05-03

Rimrodt, Louis K.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

Electrostatic and/or electromagnetic attraction or...

239 15, 361228, B05B 502

Patent

active

040207927

ABSTRACT:
A selective corona charger is disclosed for imparting an electrical charge to liquid droplets in a spray, comprising conductor means, means for defining a grid, a means for moving the conductor means in the grid, scraper means for cleaning excess spray off the conductor means, and a power source for imparting a high voltage to the conductor means. The droplet charger is placed between the source of the spray and the article being sprayed. In operation, the article being sprayed is held at a low electrical potential, preferably ground. The spray is directed toward the article being sprayed and as the spray droplets pass through the corona charger they receive a high electrical potential or charge from the corona charger. The droplets are thereafter electrically attracted to the article being sprayed.

REFERENCES:
patent: 593896 (1897-11-01), Johnson
patent: 2682478 (1954-06-01), Howse
patent: 2773472 (1956-12-01), Lamm
patent: 3866571 (1975-02-01), Austin et al.
patent: 3905550 (1975-09-01), Rokadin et al.

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