SINGLE-STAGE, AXIAL SYMMETRIC BLOWER AND PORTABLE VENTILATOR

PROBLEM TO BE SOLVED: To provide a substitutional configuration of a blower that is quieter, more compact and less expensive.SOLUTION: A blower (10) includes: a housing (20) including a proximal opening (23) and a distal opening (25) that are co-axially aligned; a stator component (30) provided to t...

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Main Authors YANG QUANGANG, FU TIMOTHY TSUN-FAI, MARTIN DION CHARLES CHEWE, PHILIPPE AUGUSTE CHALVIGNAC, DAVID CREUSOT
Format Patent
LanguageEnglish
Japanese
Published 03.09.2015
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Summary:PROBLEM TO BE SOLVED: To provide a substitutional configuration of a blower that is quieter, more compact and less expensive.SOLUTION: A blower (10) includes: a housing (20) including a proximal opening (23) and a distal opening (25) that are co-axially aligned; a stator component (30) provided to the housing; an impeller (60) positioned between the proximal opening of the housing and the stator component; and a motor (40) adapted to drive the impeller including a plurality of impeller blades. The stator component includes a plurality of air directing grooves (35) along its exterior surface. The leading edge of the air directing grooves extend tangentially outwards from the outer tips of the impeller blades and are configured to collect the air exiting the impeller blades and direct it from a generally tangential direction to a generally radial direction by dividing the air from the impeller and directing the air along a curved path towards the distal opening so that airflow becomes substantially laminar. 【課題】より静かで、よりコンパクトで、かつ高価でないように設計された送風機の代替的な構成を提供すること。【解決手段】送風機(10)は、同軸上に整列された近位開口(23)と遠位開口(25)とを含むハウジング(20)と;ハウジングに設けられたステータ構成要素(30)と;ハウジングの近位開口とステータ構成要素との間に配置されたインペラ(60)と;複数のインペラブレードを含むインペラを駆動するモータ(40)と;を含む。ステータ構成要素は、その外面に沿って複数の空気方向付け溝(35)を含む。空気方向付け溝の前縁は、インペラブレードの外側先端部から外側へ接線方向に延在し、インペラブレードから流出した空気を集合させるようにインペラから空気を分離させて空気流が実質的に層流となるように遠位開口へ向かって屈曲経路に沿って空気を方向付けて、略接線方向から略半径方向へ向けて空気を方向付けるように構成されている。【選択図】図2
Bibliography:Application Number: JP20150113129