BLOWER DEVICE
PROBLEM TO BE SOLVED: To provide a blower device capable of reducing reduction of blowing efficiency and obtaining a stable blowing effect continuously by reducing air resistance.SOLUTION: A blower device 1 comprises: a nozzle part 2 including a main opening 21 formed in an upper part and delivering...
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Sprache: | eng ; jpn |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a blower device capable of reducing reduction of blowing efficiency and obtaining a stable blowing effect continuously by reducing air resistance.SOLUTION: A blower device 1 comprises: a nozzle part 2 including a main opening 21 formed in an upper part and delivering air to a helmet inner space S formed between a helmet 6 and a head of a user U and held along a peripheral edge part of the helmet 6; a cylindrical duct 3 including one edge 3b connected with a side wall 22 of the nozzle part 2; a motor 4 held in an inner part of the duct 3; and a propeller fan 5 fixed on a rotation shaft 41 of the motor 4 so as to be located on the other edge 3c side of the duct 3. A flow passage restriction part 25 narrowing or closing a motor rear space M formed between the motor 4 and an inner face 22a of the side wall 22 of the nozzle part 2 facing the motor 4 is provided in an air flow passage P partitioned and formed in an inner part of the nozzle part 2 and the duct 3 and communicated with the main opening 21.SELECTED DRAWING: Figure 1
【課題】空気抵抗を低減することにより、送風効率の低下を低減し、継続的に安定した送風効果を得ることが可能な送風装置を提供する。【解決手段】本発明の送風装置1は、ヘルメット6と使用者Uの頭部との間に形成されるヘルメット内空間Sに空気を送出するための主開口部21が上部に形成され、ヘルメット6の周縁部に沿って保持されるノズル部2と、ノズル部2の側壁22に一端3bが連結された筒状のダクト部3と、ダクト部3の内部に保持されたモータ4と、ダクト部3の他端3c側に位置するようにモータ4の回転軸41に固定されたプロペラファン5と、を備え、ノズル部2及びダクト部3の内部に区画形成され主開口部21へ連なる空気流路Pにおいて、モータ4と、モータ4に対向するノズル部2の側壁22の内面22aとの間に形成されるモータ後方空間Mを狭小化または閉塞する流路制限部25を設けたことを特徴とする。【選択図】図1 |
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