| 摘要 |
Appliance for generating an electric wind between a spraying electrode (brushing electrode, emission electrode) (11) and a counter electrode (opposite electrode) (12) for use, for example, between a corona wire and a precipitation electrode (collecting electrode) of an electrostatic filter, in which the spraying electrode (11) has a shield grid (shield electrode) (13) assigned thereto. The shield grid (13) eliminates useless current lines or converts them into zero-current field lines. The efficiency of such an appliance (10) is thus increased. <IMAGE>
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