Electricity: electrical systems and devices – Discharging or preventing accumulation of electric charge – By charged gas irradiation
Patent
1987-08-11
1989-02-28
Hix, L. T.
Electricity: electrical systems and devices
Discharging or preventing accumulation of electric charge
By charged gas irradiation
361229, 361231, 361235, H01T 2300, H01H 4732, H05F 300
Patent
active
048091278
ABSTRACT:
Apparatus for ionizing air molecules to suppress electrostatic charges in a room or for other purposes includes internal feedback which maintains a desired rate of ion production in the presence of electrode deterioration or other effects which could otherwise alter ion output. Production of air ions of a given polarity results in a ground return flow of electrical charges of opposite polarity from the high voltage generator at a rate corresponding to the rate of air ion output. The ground return current is monitored to produce an electrical feedback signal. A control circuit causes the high voltage generator to apply higher voltage to the electrode when the feedback signal decreases and to apply lower voltage to the electrode when the feedback signal increases. Such self-regulation of each individual electrode in systems having an array of electrodes that are otherwise jointly controlled acts to maintain a desired ratio of positive and negative ions in a room as well as a desired total ion concentration.
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R. H. Dunphy et al, "A Computer Controlled Room Air Ionization System".
(Author and date not known) "Computer Controlled Air Ionization", 10 pages, distributed by Voyager Technologies, Inc.
Gehlke Donald A.
Steinman Arnold J.
Yost Michael G.
Hix L. T,.
Ion Systems, Inc.
Porterfield David
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