JP2011226398A5 - - Google Patents

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JP2011226398A5
JP2011226398A5 JP2010097485A JP2010097485A JP2011226398A5 JP 2011226398 A5 JP2011226398 A5 JP 2011226398A5 JP 2010097485 A JP2010097485 A JP 2010097485A JP 2010097485 A JP2010097485 A JP 2010097485A JP 2011226398 A5 JP2011226398 A5 JP 2011226398A5
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Japan
Prior art keywords
shroud
hub
blade
blades
electric blower
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JP2010097485A
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Japanese (ja)
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JP5422477B2 (en
JP2011226398A (en
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Priority to JP2010097485A priority Critical patent/JP5422477B2/en
Priority claimed from JP2010097485A external-priority patent/JP5422477B2/en
Priority to TW100101938A priority patent/TWI460352B/en
Priority to CN 201110103958 priority patent/CN102235384B/en
Publication of JP2011226398A publication Critical patent/JP2011226398A/en
Publication of JP2011226398A5 publication Critical patent/JP2011226398A5/ja
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Claims (6)

円環状のシュラウドと、前記シュラウドに対向して配置されるハブと、前記シュラウドと前記ハブとの間に円周方向に複数配置される羽根と、前記シュラウドと前記ハブと前記羽根とを回転する電動部とを備えた電動送風機において、
各羽根は、平板で形成され、
前記各羽根は、半径方向内縁から半径方向外縁にかけて、回転軸方向を基準にして回転方向側に捻られた状態から反回転方向側に捻られ、その後、再度、回転方向側に捻られることを特徴とする電動送風機。 An annular shroud, a hub disposed opposite the shroud, a plurality of blades disposed in a circumferential direction between the shroud and the hub, and the shroud, the hub, and the blades are rotated. In the electric blower provided with the electric part,
Each blade is formed of a flat plate,
Each of the blades is twisted from the state twisted in the rotational direction with respect to the rotational axis direction from the inner edge in the radial direction to the outer edge in the radial direction, and then twisted in the anti-rotation direction side, and then twisted again in the rotational direction side. A featured electric blower. 円環状のシュラウドと、前記シュラウドに対向して配置されるハブと、前記シュラウドと前記ハブとの間に円周方向に複数配置される羽根と、前記シュラウドと前記ハブと前記羽根とを回転する電動部とを備えた電動送風機において、
各羽根は、平板で形成され、
前記各羽根は、前記ハブとの接続部から前記シュラウドとの接続部に向かう回転軸方向の形成方向が、羽根の半径方向外縁部において、回転軸方向に略一致または回転軸方向を基準にして回転方向側に傾斜し、
前記各羽根は、前記回転軸方向の形成方向が、羽根の半径方向中間部において、回転軸方向を基準にして回転方向側に傾斜した部分と回転軸方向に対して反回転方向側に傾斜した部分とを有することを特徴とする電動送風機。 An annular shroud, a hub disposed opposite the shroud, a plurality of blades disposed in a circumferential direction between the shroud and the hub, and the shroud, the hub, and the blades are rotated. In the electric blower provided with the electric part,
Each blade is formed of a flat plate,
Each of the blades has a rotational axis direction formed from a connecting portion with the hub to a connecting portion with the shroud substantially coincides with the rotating shaft direction at a radially outer edge portion of the blade or is based on the rotating shaft direction. Inclined to the rotation direction side,
Each of the blades has a rotational axis direction formed in the radial intermediate portion of the blade that is inclined to the rotational direction side with respect to the rotational axis direction and to the counter-rotational direction side with respect to the rotational axis direction. The electric blower characterized by having a part. 円環状のシュラウドと、前記シュラウドに対向して配置されるハブと、前記シュラウドと前記ハブとの間に円周方向に複数配置される羽根と、前記シュラウドと前記ハブと前記羽根とを回転する電動部とを備えた電動送風機において、An annular shroud, a hub disposed opposite the shroud, a plurality of blades disposed in a circumferential direction between the shroud and the hub, and the shroud, the hub, and the blades are rotated. In the electric blower provided with the electric part,
各羽根は、平板で形成され、Each blade is formed of a flat plate,
回転軸方向から見た場合に、羽根の前記ハブとの接続部におけるハブ側キャンバーラインと羽根の前記シュラウドとの接続部におけるシュラウド側キャンバーラインとが、半径方向内縁から半径方向外縁にかけて少なくとも２箇所で交差することを特徴とする電動送風機。When viewed from the rotational axis direction, there are at least two hub side camber lines at the connecting portion of the blade with the hub and shroud side camber lines at the connecting portion of the blade with the shroud from the radially inner edge to the radially outer edge. Electric blower characterized by crossing at 円環状のシュラウドと、前記シュラウドに対向して配置されるハブと、前記シュラウドと前記ハブとの間に円周方向に複数配置される羽根と、前記シュラウドと前記ハブと前記羽根とを回転する電動部とを備えた電動送風機において、An annular shroud, a hub disposed opposite the shroud, a plurality of blades disposed in a circumferential direction between the shroud and the hub, and the shroud, the hub, and the blades are rotated. In the electric blower provided with the electric part,
各羽根は、平板で形成され、Each blade is formed of a flat plate,
羽根の任意の位置と回転軸の軸心とを結ぶ直線に対する直交線と回転軸方向から見て湾曲した羽根の外面での接線とのなす角度を羽根角度と定義すると、When the angle between the perpendicular line to the straight line connecting the arbitrary position of the blade and the axis of the rotation axis and the tangent line on the outer surface of the blade viewed from the rotation axis direction is defined as the blade angle,
前記羽根のハブ側の羽根角度は、半径方向内縁部および半径方向外縁部において、前記羽根のシュラウド側の羽根角度よりも小さいことを特徴とする電動送風機。The electric fan according to claim 1, wherein the blade angle on the hub side of the blade is smaller than the blade angle on the shroud side of the blade at the radially inner edge and the radially outer edge. 吸引力を発生する電動送風機と前記電動送風機に連通する集塵室と前記集塵室に連通する吸込具とを備えた電気掃除機において、In an electric vacuum cleaner comprising an electric blower that generates a suction force, a dust collection chamber that communicates with the electric blower, and a suction tool that communicates with the dust collection chamber,
前記電動送風機は、円環状のシュラウドと、前記シュラウドに対向して配置されるハブと、前記シュラウドと前記ハブとの間に円周方向に複数配置される羽根と、前記シュラウドと前記ハブと前記羽根とを回転する電動部とを備え、The electric blower includes an annular shroud, a hub disposed opposite the shroud, a plurality of blades disposed in a circumferential direction between the shroud and the hub, the shroud, the hub, and the hub. An electric part that rotates the blade,
各羽根は、平板で形成され、Each blade is formed of a flat plate,
前記各羽根は、半径方向内縁から半径方向外縁にかけて、回転軸方向を基準にして回転方向側に捻られた状態から反回転方向側に捻られ、その後、再度、回転方向側に捻られることを特徴とする電気掃除機。Each of the blades is twisted from the state twisted in the rotational direction with respect to the rotational axis direction from the inner edge in the radial direction to the outer edge in the radial direction, and then twisted in the anti-rotation direction side, and then twisted again in the rotational direction side. Characterized vacuum cleaner. 吸引力を発生する電動送風機と前記電動送風機に連通する集塵室と前記集塵室に連通する吸込具とを備えた電気掃除機において、In an electric vacuum cleaner comprising an electric blower that generates a suction force, a dust collection chamber that communicates with the electric blower, and a suction tool that communicates with the dust collection chamber,
前記電動送風機は、円環状のシュラウドと、前記シュラウドに対向して配置されるハブと、前記シュラウドと前記ハブとの間に円周方向に複数配置される羽根と、前記シュラウドと前記ハブと前記羽根とを回転する電動部とを備え、The electric blower includes an annular shroud, a hub disposed opposite the shroud, a plurality of blades disposed in a circumferential direction between the shroud and the hub, the shroud, the hub, and the hub. An electric part that rotates the blade,
各羽根は、平板で形成され、Each blade is formed of a flat plate,
回転軸方向から見た場合に、羽根の前記ハブとの接続部におけるハブ側キャンバーラインと羽根の前記シュラウドとの接続部におけるシュラウド側キャンバーラインとが、半径方向内縁から半径方向外縁にかけて少なくとも２箇所で交差することを特徴とする電気掃除機。When viewed from the rotational axis direction, there are at least two hub side camber lines at the connecting portion of the blade with the hub and shroud side camber lines at the connecting portion of the blade with the shroud from the radially inner edge to the radially outer edge. A vacuum cleaner characterized by crossing at
JP2010097485A 2010-04-21 2010-04-21 Electric blower and vacuum cleaner equipped with the same Active JP5422477B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2010097485A JP5422477B2 (en) 2010-04-21 2010-04-21 Electric blower and vacuum cleaner equipped with the same
TW100101938A TWI460352B (en) 2010-04-21 2011-01-19 Electric blower and equipped with its electric vacuum cleaner
CN 201110103958 CN102235384B (en) 2010-04-21 2011-04-20 Electric pressure fan and electric dust collector having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010097485A JP5422477B2 (en) 2010-04-21 2010-04-21 Electric blower and vacuum cleaner equipped with the same

Publications (3)

Publication Number Publication Date
JP2011226398A JP2011226398A (en) 2011-11-10
JP2011226398A5 true JP2011226398A5 (en) 2012-08-09
JP5422477B2 JP5422477B2 (en) 2014-02-19

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Family Applications (1)

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JP2010097485A Active JP5422477B2 (en) 2010-04-21 2010-04-21 Electric blower and vacuum cleaner equipped with the same

Country Status (3)

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JP (1) JP5422477B2 (en)
CN (1) CN102235384B (en)
TW (1) TWI460352B (en)

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JP6746943B2 (en) 2016-02-23 2020-08-26 株式会社Ihi Centrifugal compressor impeller
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CN108131324A (en) * 2018-01-15 2018-06-08 汕头大学 A kind of small-sized multi-wing centrifugal exhaust fan of highly effective low noise and impeller
CN109268311B (en) * 2018-11-26 2023-10-03 江苏徐工工程机械研究院有限公司 Centrifugal fan impeller and centrifugal fan
CN109707666B (en) * 2019-03-13 2021-07-27 河北华晟环保设备科技有限公司 Super-high power type fan impeller
CN109990446A (en) * 2019-04-30 2019-07-09 苏州恒境环保科技有限公司 A kind of air-supply incremental air port
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CN113969855B (en) * 2021-10-15 2022-08-02 清华大学 Blade modification method for inhibiting working condition hump of water pump turbine pump

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