| 摘要 |
An object of the present invention is to provide a dust collecting mechanism for an air pump, in particular, an electromagnetic vibrational pump having a compact structure, capable of realizing the efficiency of dust collecting ability and simple in assembly work. The present invention is characterized in that the inlet and outlet of fluid are provided at a barrier chamber provided in at least one portion of a housing, a plurality of cross walls at which 1 or 2 or more of vent holes are provided are arranged, and at least the position of the vent hole of the adjacent cross wall is different among a plurality of the cross walls. |
