| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a cyclone separator preventing contraction of an impervious bag due to negative pressure by a simple configuration and compatibly attaining cleanliness and convenience when disposing dust, and a vacuum cleaner including the cyclone separator.SOLUTION: The cyclone separator includes: a primary opening 39 formed at a lower end of a swirl chamber 29; a primary dust collection chamber 31 communicated to the primary opening 39, where an impervious bag 26a is detachably installed inside the primary dust collection chamber 31; and a structure 61 provided from the primary opening 39 towards an inner bottom surface of the primary dust collection chamber 31. The structure 61 comprises a circular truncated cone 61b protruding, with it facing the primary opening 39, and a plurality of beams 61a that support the circular truncated cone 61b from the primary opening 39.</p> |
