PROBLEM TO BE SOLVED: To provide a fluid sterilizer having heightened cleaning ability.SOLUTION: A fluid sterilizer 10 includes: a housing 12 for partitioning a passage 13 extending in a longer direction a filter 40 provided in the housing 12, and extending in the longer direction and a light source 50 having a light-emitting device 52 for emitting ultraviolet light, and irradiating ultraviolet light toward a fluid flowing in the laminar state after passing the filter 40. The filter 40 may be a hollow fiber membrane filter. The light source 50 may be provided so as to irradiate ultraviolet light toward the longer direction.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】浄化能力を高めた流体殺菌装置を提供する【解決手段】流体殺菌装置10は、長手方向に延びる流路13を区画する筐体12と、筐体12内に設けられ、長手方向に延在するフィルタ40と、紫外光を発する発光素子52を有し、フィルタ40を通過して層流状態で流れる流体に向けて紫外光を照射する光源50と、を備える。フィルタ40は、中空糸膜フィルタであってもよい。光源50は、長手方向に紫外光を照射するように設けられてもよい。【選択図】図1
