Electricity: electrical systems and devices – Discharging or preventing accumulation of electric charge – Specific conduction means or dissipator
Patent
1989-12-04
1992-03-10
Pellinen, A. D.
Electricity: electrical systems and devices
Discharging or preventing accumulation of electric charge
Specific conduction means or dissipator
361212, 361230, H05F 300
Patent
active
050954008
ABSTRACT:
The present invention is characterized by applying high positive and negative DC voltages supplied from a converter to positive and negative discharge needles (or electrodes) arranged independent of the other in two air passages to generate positive and negative corona ions in the two air passages, by supplying air, whose flow rates and pressures in the two air passages have been adjusted, into the air passages through air hoses connected to rear ends of the air passages, and by jetting the positive and negative ions, keeping them balanced, together with air to a charged body separated a little through nozzles attached to front ends of the air passages to eliminate static electricity from the charged body. The present invention is further characterized by method and apparatus capable of achieving the above-mentioned process and having an electrodes arrangement in which an extremely fine metal line made of tungsten, for example, and having a diameter of 20-60 .mu.m is used as the corona electrodes to hold flows of the positive and negative ions balanced for a long time.
REFERENCES:
patent: 3794839 (1974-02-01), Hayne
patent: 4517143 (1985-05-01), Kisler
patent: 4713724 (1987-12-01), Voelkel
patent: 4774472 (1988-09-01), Blitshteyn et al.
patent: 4878149 (1989-10-01), Stiehl et al.
Handbook of Chemistry & Physics, 41st Edition, Published by Chemical Rubber Publishing Co., Cleveland, Ohio, p. 431.
Gaffin Jeffrey A.
Pellinen A. D.
Saito Kohki Co., Ltd.
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