US 11,848,175 B2 · Corona/plasma treatment machine

Abstract

A corona/plasma treatment machine includes an array of electrodes arranged in a helix along a conductive central cylinder, allowing for the efficient surface treatment of materials with greater cross-sectional heights and widths than what is conventionally possible. The corona/plasma treatment machine further includes of a high frequency, high voltage power source, a dielectric, and a contact plate. The array of electrodes is driven using a motor and rotates about its longitudinal axis and is electrically isolated from its surroundings. When power is supplied to the electrode array, electrical energy is discharged from the tips of the electrodes near the contact plate and creates a plasma corona aura formed from the ionization of the surrounding air between the electrode array and the contact plate. A conveyor is positioned below the electrode array and configured to feed material through the plasma corona aura.

Claims20

Dependent claims

A treatment machine comprising:

a power source;
an electrode array in electrical communication with the power source, the electrode array comprising:
a central portion having a longitudinal axis;
a plurality of electrodes extending outward from the conductive portion in a helical pattern about the longitudinal axis;
and
an isolating structure coupled to the central portion and configured to electrically isolate the central portion from the treatment machine;
a contact plate;
a dielectric positioned between the electrode array and the contact plate;
wherein the central portion is configured to rotate about its longitudinal axis, and the power source is configured to supply high frequency, high voltage power to the electrode array.

6 more elements

Dependencies are inferred from the claim text.

Corona/plasma treatment machine

Life of this patent

Corona/plasma treatment machine

Life of this patent

Abstract

Claims20