PROBLEM TO BE SOLVED: To provide, by targeting a sterilizer for sterilizing a fluid by applying ultraviolet rays thereon, a technique capable of improving the sterilizing efficiency.SOLUTION: In a sterilizer 100 including a housing 110 having a cylindrical flow channel 111 through which a fluid provided as a sterilizing target streams and a light source 121 configured within the housing 110 for irradiating ultraviolet rays onto the flow channel 111 interior along the axial direction of the cylindrical flow channel 111, a structure 112 for generating a swirling flow of the fluid within the cylindrical flow channel 111 is provided.COPYRIGHT: (C)2014,JPO&INPIT【課題】紫外線を照射することで流体の殺菌を行う殺菌装置において、殺菌効率を向上させることが可能な技術を提供する。【解決手段】殺菌対象となる流体が流れる筒状流路111を有するハウジング110と、該ハウジング110に設けられ、前記筒状流路111内に該筒状流路111の軸方向にて紫外線を照射する光源121と、を備える殺菌装置100であって、前記筒状流路111内において流体の旋回流を生じさせる構造112を有する。【選択図】図2
