Corona discharger with counter electrode of wire coated by condu

Details Corona discharger with counter electrode of wire coated by condu Corona discharger with counter electrode of wire coated by condu

1991-05-23

1994-04-26

Pellinen, A. D.

Electricity: electrical systems and devices

Electric charging of objects or materials

By charged gas irradiation

361231, 250324, H01T 1900

Patent

active

053072340

ABSTRACT:
A bar-shaped device for generating electrical charges by corona discharges comprises a high voltage cable surrounded by an insulating casing, extending parallel to the longitudinal axis of the device and adapted to be connected to a high voltage source, a plurality of needle electrodes connected to high voltage via the high voltage cable and arranged in at least one row along the longitudinal axis of the device, an insulating member accommodating the high voltage cable and the needle electrodes and an outer sheath surrounding the insulating member and having a longitudinal slot, wherein the needle electrodes penetrate the longitudinal slot and the edges of the longitudinal slot form counterelectrodes for the needle electrodes. The outer sheath consists of plastic and has grooves at the edges of its longitudinal slot parallel to the row of needle electrodes. A metal stranded wire provided with a casing made of pliable plastic is inserted into each of these grooves as counterelectrode. The plastic forming the casing is electrically conductive and in electrically conductive communication with the metal stranded wire.

REFERENCES:
patent: 3619719 (1971-11-01), Waller et al.
patent: 3812399 (1974-05-01), Slocum, Jr.
patent: 4107755 (1978-08-01), Kiefer

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