PROBLEM TO BE SOLVED: To provide a mist generator which reduces the influence of large foam generated in bumping, etc., to mist to stabilize the release of the mist.SOLUTION: A filter 43 is set up in an opening part of an upper route 42, that is an outlet of a boiling chamber 40, the filter permitting the passage of steam mist and controls the passage of liquid droplets (hot water droplets) accompanying the boil in the boiling chamber 40, especially bumping.COPYRIGHT: (C)2013,JPO&INPIT【課題】突沸等に生じる大きな泡のミストへの影響を小さくし、ミストの放出の安定化を図ることができるミスト発生装置を提供する。【解決手段】沸騰室40の出口である上側通路42の開口部分に、スチームミストの通過を許容し且つ沸騰室40内での沸騰、特に突沸に伴う液滴(湯滴)の通過を抑制するフィルタ43が設置される。【選択図】図6