FIELD: ozone generation. SUBSTANCE: ozonator fan contains discharge and conductor electrodes connected with high- voltage alternate-current source and disposed on different sides of side wall of dielectric volute of centrifugal fan. Discharge electrode is positioned on inner side of volute wall and is constructed in the form of a series of combs with their tape-dents oriented towards fan outlet. Each following comb of discharge electrode beginning with second one in direction from outlet is connected through individual switch to high-frequency source having several grades of output voltage. EFFECT: enhanced ozone generation efficiency. 2 cl, 2 dwg
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