| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a vacuum cleaner having a cyclone type dust collector capable of enhancing dust collecting performance. <P>SOLUTION: The vacuum cleaner includes: an attachable and detachable dust collecting container 22 formed into a bottomed cylindrical shape having a circular cross-section and having an opening surface 22b in the upper surface, and provided with an inflow port 22a in a circumferential surface; an inner cylinder 23 coaxially arranged with the dust collecting container 22 and opening an inflow port 23a in a circumferential surface; a partition member 30 having a disk portion 31 extended from the inner cylinder 23 in a radial direction and a cylindrical portion 32 extended from the circumferential edge of the disk portion 31 in a vertical direction, formed with an air flow channel D between the partition member and the inner surface of the dust collecting container 22, and vertically dividing the inside of the dust collecting container 22, and a first tapered portion 22d having an inner circumferential surface formed into a tapered surface and having an inside diameter reduced downward, is provided at the lower part of the dust collecting container 22, and a second tapered portion 32a having an outer circumferential surface formed into a tapered surface, facing the first tapered portion 22d, and having an outside diameter increased upward from the lower end, is provided at the lower part of the cylindrical portion 32. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
