| 摘要 |
<p>PURPOSE:To simply carry out maintenance and inspection by furnishing detachable orifice, blades, and a motor into the inner box in which electrostatic precipitating parts are incorporated, and providing an electric instrument part in a draft passage. CONSTITUTION:When a motor 29 is energized, the blades 30 are revolved, and the polluted air in a room is sucked from a suction grill 40 and the dust is removed in the electrostatic precipitating part 31, and the air is blowed out of blowing-out opening 37 into the room through the draft passage 36 of four directions by the blades 30. When the maintenance and inspection is to be carried out, the blowing-out grills 41 of both sides are removed after the suction grill 40 is removed. In this case, when the blowing-out grill 41 is inwardly sifted, the projected parts 44 is moved out of the holes 43 of a panel frame 42, and, at the same time, in the side of bulged holes 46, studs are moved from small holes 46a to the bulged holes 46 so that the blowing-out grill is allowed to remove downwards. By this method, the maintenance is easily carried out by one worker.</p> |
