| 摘要 |
<p>PURPOSE: To provide an electrostatic filter which does not need to be disassembled in order to clean the inside thereof. CONSTITUTION: This electrostatic filter consists of a tube 1 and a wire 9 each having differential potential, and a cleaning means 13 uses the wire in the axial direction to scrub the inner wall of the tube. A cup 15 is provided by which the tube 1 is closed when the cleaning means 13 is engaged with the tube 1 to perform cleaning. A control means controls the cleaning means 13.</p> |
