| 摘要 |
A sprayer (1) having an air motor (2) and a rotary atomizer head (3) is installed on the front side of a housing (9), and an outer surface (9A) of the housing (9) is covered by a cover (10). A high-voltage discharge electrode (15) is provided on the front side of the housing (9), and a blade ring (17) of the high-voltage discharge electrode (15) surrounds the outer circumference side of the cover (10). At the rear end of the blade ring (17) is provided an edge (19) sharpened in a thin edge form. Electric field is concentrated at the edge (19) to generate corona discharge at the entire circumference of blade ring (17).
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