PROBLEM TO BE SOLVED: To provide an air cleaner that has a compact device size and low noise, but has a high ventilation speed and is capable of effectively removing allergen substances in the atmospheric air in an actual living space.SOLUTION: An air cleaner includes: an axial flow fan of which a rotational frequency of blades is 1,000 rpm or more and non-woven cloth having air-permeability of 100 ml/cm2/sec. or more disposed downstream (exhaust side) of the fan and/or upstream (intake side) of the fan, to have an air volume of 4 m3/min. or more.COPYRIGHT: (C)2014,JPO&INPIT【課題】装置が小型で低騒音でありながら、かつ換気速度が大きく、実際の生活空間に於いても有効に大気中のアレルゲン物質の除去が可能である空気清浄機を提供すること。【解決手段】羽根の回転数が1000rpm以上の軸流ファンと、該ファンの下流側(排気側)および/または該ファンの上流側(吸気側)に、通気量が100ml/cm2/秒以上である不織布を設置し、風量が4m3/分以上である空気清浄機。【選択図】なし
