H - Electricity – 01 – T
Patent
H - Electricity
01
T
H01T 19/00 (2006.01) A61L 9/015 (2006.01) C01B 13/11 (2006.01)
Patent
CA 2079538
A method of manufacturing a corona discharge device suitable for use as an ozonizer capable of producing a controlled small amount of ozone throughout a prolonged service life. A foreproduct of corona discharge device (50) is first prepared which is provided with first and second planar electrodes (54; 56) capacitively coupled, with each other by a third floating electrode (64) which is coated by a protective layer (68) of chemically-resistive electrically-insulating material. A high frequency alternating voltage having a voltage level higher than an initial minimum flashover voltage level of the foreproduct is then applied until the protective layer is aged. Aging of the protective layer is effective in lowering the initial minimum flashover voltage of the final product thus obtained as well as in reducing any fluctuation of the initial minimum flashover voltage that would otherwise occur from product to product. Various other features are also disclosed.
Aso Yuji
Hayashida Yoshihide
Kojima Eiichi
Watanabe Toshiya
Sim & Mcburney
Toto Ltd.
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