PROBLEM TO BE SOLVED: To provide an ion generation device and an ion irradiation device that are hardly broken even if droplets of water scatter during maintenance.SOLUTION: An air channel (31) provided in an enclosure (21) of an ion generation device (11) includes, in a path extending from where an ion generation part (25) to a blowout opening (21d), an extension part (31d) extending so that an air current is in a first direction and a bent part (31c) extending so that the air current is in a second direction having a component opposite to a component constituting the first direction.COPYRIGHT: (C)2016,JPO&INPIT【課題】メンテナンス時に水滴が飛散しても破損し難いイオン発生装置及びイオン照射装置を得る。【解決手段】イオン発生装置(11)の筐体(21)内に設けられた風路(31)は、イオン発生部(25)が配されている箇所から吹き出し口(21d)に至る経路に、気流の向きが第1の向きとなるように延伸する延伸部(31d)と、第1の向きを構成する成分とは逆向きの成分を有する第2の向きとなるように延伸する屈曲部(31c)とを含む。【選択図】図1
