Electricity: electrical systems and devices – Electric charging of objects or materials – By charged gas irradiation
Patent
1990-04-12
1991-05-21
Pendegrass, Joan H.
Electricity: electrical systems and devices
Electric charging of objects or materials
By charged gas irradiation
250324, 355215, 355221, G03G 1502, H01T 1900
Patent
active
050180452
ABSTRACT:
There is disclosed a corona discharger comprising a discharge wire for producing a corona discharge, a voltage source for applying a predetermined voltage to the discharge wire, an electrically conductive back plate being provided on the opposite side of the discharge wire to a member to be electrified, and an electrically conductive side plate being provided close to the member to be electrified. In the corona discharger, an opening for discharging ozone produced by said corona discharge is formed between said side plate and said back plate, and respective electric potentials of the side plate and the back plate are set so that a difference between respective electric potentials of the side plate and the discharge wire becomes lower than a difference between respective electric potentials of the back plate and the discharge wire.
REFERENCES:
patent: 3777158 (1973-12-01), Kamogawa et al.
patent: 4021709 (1977-05-01), Kamogawa et al.
patent: 4053770 (1977-10-01), Tanaka et al.
patent: 4112299 (1978-09-01), Davis
Inoue Yoshinori
Myochin Hisashi
Saito Hitoshi
Yoshida Narutaka
Minolta Camera Kabushiki Kaisha
Pendegrass Joan H.
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