| 摘要 |
A portable vacuum cleaner for use in both dry and wet operations includes a main body case housing a fan motor and having intake and discharge openings, a dust case having a suction part and removably attached to the main body case around the intake opening, a filter housing removably installed in the dust case and having a filter accommodated therein to cover the intake opening with the filter, and a seal member peripherally interposed between the dust case and the main body case and/or filter housing. The filter housing has on the suction side of the constitutional wall thereof an annular wall which projects in an annular form toward the suction part and forms a well for water drawn in from the suction part, and also has a through hole positioned above the annular wall which permits the passage of air drawn in from the suction part.
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