PROBLEM TO BE SOLVED: To provide an aroma diffusion device capable of changing over fragrance ingredients from one aroma generating source to the other aroma generating source and of diffusing the fragrance ingredients without any modification inside the aroma generating sources.SOLUTION: A main body 1 of an aroma diffusion device comprises: a housing chamber 11 sealing and housing a plurality of aroma generating sources 15A and 15B and a separate housing chamber 12 sealing and housing a plurality of aroma generating sources 15C and 15D. Further, a grill 2 of the aroma diffusion device comprises: an air guide duct 23 having an exhaust port 22 downstream air flow F while having a suction port 21 upstream the air flow F and being provided with openings 18 and 19 of the housing chambers 11 and 12 so as to individually face the air flow F in the course thereof and a changing-over mechanism 31 closing the opening 18 of the housing chamber 11, on the other hand, opening the opening 19 of the other housing chamber 12, opening the opening 18 of the housing chamber 11, on the other hand, closing the opening 19 of the other housing chamber 12, and changing over diffusing of an aroma from the exhaust port 22.COPYRIGHT: (C)2016,JPO&INPIT【課題】香発生源の内部に何等手を加えることなく、一方の香発生源から他方の香発生源に香り成分を切り換えて拡散させることが可能な香拡散装置を提供する。【解決手段】複数の香発生源15A,15Bを密閉収納する収納室11と、複数の香発生源15C,15Dを密閉収納する別な収納室12とを、本体1に備える。また、空気の流れFの上流側に吸気口21を有すると共に、空気の流れFの下流側に排気口22を有し、その途中で収納室11,12の開口18,19が各々臨んで設けられる導風路23と、収納室11の開口18を閉じるのに対し、他方の収納室12の開口19を開け、収納室11の開口18を開けるのに対し、他方の収納室12の開口19を閉じて、排気口22からの香りの拡散を切り換える切換え機構31を、グリル2に備える。【選択図】図1
