Apparatus for spraying harvested crops

Details Apparatus for spraying harvested crops Apparatus for spraying harvested crops

1991-11-08

1993-03-09

Hoag, Willard

Coating apparatus

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

Electrostatic and/or electromagnetic attraction or...

118630, 118634, 118 64, B05D 104

Patent

active

051923696

ABSTRACT:
A spray apparatus for the treatment of a harvested crop, the apparatus including a high voltage electrostatic spray head, a sprayhood surrounding the sprayhead and having an aperture opposite the sprayhead and insulating means to suspend the sprayhood with the aperture adjacent a region of a conveying path to establish and maintain the sprayhood covering said region of said conveying path, the sprayhood having on the outside an insulating cover and inside the cover an extensive insulated electrode extending around and above said aperture, the electrode being energizable in operation to a potential similar to that applied to the sprayhead, whereby the support means and electrode together permit the application of an electrostatically charged spray from the sprayhead in a controlled manner throughout said region of the conveying path under the sprayhood to a quantity of crop conveyed past on the conveying path in a regular manner.

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