JP2014047711A5 - - Google Patents
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- JP2014047711A5 JP2014047711A5 JP2012191218A JP2012191218A JP2014047711A5 JP 2014047711 A5 JP2014047711 A5 JP 2014047711A5 JP 2012191218 A JP2012191218 A JP 2012191218A JP 2012191218 A JP2012191218 A JP 2012191218A JP 2014047711 A5 JP2014047711 A5 JP 2014047711A5
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- JP
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- Prior art keywords
- downstream
- upstream
- blade
- blade tip
- edge
- Prior art date
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- 238000011144 upstream manufacturing Methods 0.000 claims 10
- 230000002093 peripheral Effects 0.000 claims 2
Claims (5)
出力軸を含み、前記風路形成部材の内部に設けられた駆動モータと、
前記出力軸に取り付けられるボス部および前記ボス部の外表面に設けられた翼部を含み、前記駆動モータよりも前記吸入口の側に配置されたプロペラファンと、を備え、
前記プロペラファンは、前記駆動モータからの回転動力を受けて仮想の回転軸周りに回転することによって上流側の前記吸入口から下流側の前記吐出口に向かって流れる気流を発生させ、
前記翼部は、
前記プロペラファンの回転方向における最も先端に位置する翼先端部と、
前記翼先端部から前記ボス部の前記外表面まで延在し、前記回転方向における前記翼部の前縁を形成する前縁部と、
前記ボス部の前記外表面から前記プロペラファンの回転半径方向の外側に向かって延在し、前記回転方向における前記翼部の後縁を形成する後縁部と、
前記翼先端部と前記後縁部の外側端とを接続し、前記回転半径方向における前記翼部の外周縁を形成する外周縁部と、を有し、
前記回転軸に対して平行な方向において、前記翼部における最も前記下流側の位置と前記前縁部の根元の位置との間の高さ寸法をｈａとし、前記翼部における最も前記下流側の位置と前記翼先端部の位置との間の高さ寸法をｈｂとすると、ｈｂ／ｈａの値は１．５以上であり、
前記外周縁部は、前記翼先端部に向かうにつれて前記回転半径方向における外側から内側に向かって延び、鎌状に尖った形状を有する、
送風装置。 An air passage forming member including a suction port and a discharge port;
A drive motor including an output shaft and provided inside the air passage forming member;
A propeller fan that includes a boss portion attached to the output shaft and a wing portion provided on an outer surface of the boss portion, and is disposed closer to the suction port than the drive motor,
The propeller fan generates airflow flowing from the upstream suction port toward the downstream discharge port by receiving rotation power from the drive motor and rotating around a virtual rotation axis,
The wing part is
A blade tip located at the most tip in the rotation direction of the propeller fan;
A leading edge extending from the blade tip to the outer surface of the boss, and forming a leading edge of the blade in the rotational direction;
A rear edge portion extending from the outer surface of the boss portion toward the outside in the rotational radial direction of the propeller fan, and forming a rear edge of the wing portion in the rotational direction;
An outer periphery that connects the blade tip and the outer edge of the trailing edge, and forms an outer periphery of the blade in the rotational radius direction;
In a direction parallel to the rotation axis, the height dimension between the most downstream position in the wing portion and the root position of the leading edge portion is ha, and the most downstream side in the wing portion is the most downstream side. If the height between the position and the position of the wing tip and hb, the value of hb / ha is Ri der 1.5 or higher,
The outer peripheral edge extends from the outer side to the inner side in the rotational radius direction toward the blade tip, and has a sickle-like shape.
Blower device.
前記下流側に向かうにつれて前記プロペラファンの前記回転半径方向の外側に向かって延びる形状を有する上流面と、An upstream surface having a shape extending toward the outer side in the rotational radial direction of the propeller fan toward the downstream side;
前記上流面の下流端よりも前記下流側に位置する下流部と、A downstream portion located on the downstream side of the downstream end of the upstream surface;
前記上流面の前記下流端と前記下流部とを接続する下流面と、を含み、A downstream surface connecting the downstream end of the upstream surface and the downstream portion,
前記下流面は、前記回転軸に対して前記平行な方向に沿って延びる形状、または前記下流部に向かうにつれて前記平行な方向よりも前記回転半径方向の内側に向かって延びる形状を有し、The downstream surface has a shape extending along the parallel direction with respect to the rotation axis, or a shape extending toward the inside of the rotation radial direction from the parallel direction toward the downstream portion,
前記前縁部の根元である前縁根元部は前記上流面で前記ボス部と接続し、前記後縁部の根元である後縁根元部は前記下流面で前記ボス部と接続し、前記前縁根元部は前記後縁根元部よりも前記回転半径方向において内側に設けられる、A front edge root portion that is a root of the front edge portion is connected to the boss portion at the upstream surface, and a rear edge root portion that is a root of the rear edge portion is connected to the boss portion at the downstream surface, The edge root portion is provided on the inner side in the rotational radius direction than the rear edge root portion.
請求項１に記載の送風装置。The air blower according to claim 1.
請求項１または請求項２に記載の送風装置。The air blower according to claim 1 or 2.
内壁部と、An inner wall,
前記内壁部から凹むように設けられた凹部と、を有し、A recess provided to be recessed from the inner wall,
前記回転軸に対して平行な方向において、前記凹部の最も前記下流側の部分は、前記ボス部の最も前記下流側の部分よりも前記上流側に位置し、且つ前記翼部の前記翼先端部よりも前記下流側に位置し、In the direction parallel to the rotation axis, the most downstream portion of the recess is located on the upstream side of the most downstream portion of the boss portion, and the blade tip portion of the blade portion Located on the downstream side of the
前記回転軸に対して前記平行な方向において、前記凹部の最も前記上流側の部分は、前記翼部の前記翼先端部よりも前記上流側に位置する、In the direction parallel to the rotation axis, the most upstream portion of the recess is located on the upstream side of the blade tip of the blade.
請求項１から３のいずれかに記載の送風装置。The air blower according to any one of claims 1 to 3.
第１内壁部と、 A first inner wall,
前記第１内壁部よりも前記下流側に位置し、前記第１内壁部よりも狭い風路面積を有する第２内壁部と、を有し、 A second inner wall portion located on the downstream side of the first inner wall portion and having a narrow air passage area than the first inner wall portion, and
前記回転軸に対して平行な方向において、前記第２内壁部の最も前記上流側の部分は、前記ボス部の最も前記下流側の部分よりも前記上流側に位置し、且つ前記翼部の前記翼先端部よりも前記下流側に位置する、 In a direction parallel to the rotation axis, the most upstream portion of the second inner wall portion is located on the upstream side of the most downstream portion of the boss portion, and the wing portion Located downstream of the blade tip,
請求項１から３のいずれかに記載の送風装置。The air blower according to any one of claims 1 to 3.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012191218A JP6099335B2 (en) | 2012-08-31 | 2012-08-31 | Blower and hair dryer |
| KR1020157007719A KR102112888B1 (en) | 2012-08-31 | 2013-08-29 | Blower device |
| PCT/JP2013/073123 WO2014034770A1 (en) | 2012-08-31 | 2013-08-29 | Blower device |
| CN201380044547.5A CN104583605B (en) | 2012-08-31 | 2013-08-29 | Air-supply arrangement |
| CN201610885954.4A CN106377043B (en) | 2012-08-31 | 2013-08-29 | Air supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012191218A JP6099335B2 (en) | 2012-08-31 | 2012-08-31 | Blower and hair dryer |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2014047711A JP2014047711A (en) | 2014-03-17 |
| JP2014047711A5 true JP2014047711A5 (en) | 2015-10-15 |
| JP6099335B2 JP6099335B2 (en) | 2017-03-22 |
Family
ID=50607645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012191218A Active JP6099335B2 (en) | 2012-08-31 | 2012-08-31 | Blower and hair dryer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6099335B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101612238B1 (en) * | 2015-11-09 | 2016-04-14 | 조영철 | Spiral blade unit and wind generator |
| JP7150616B2 (en) * | 2017-01-18 | 2022-10-11 | テルモ株式会社 | pump |
| WO2018135477A1 (en) * | 2017-01-18 | 2018-07-26 | テルモ株式会社 | Blood pump |
| WO2018139508A1 (en) * | 2017-01-27 | 2018-08-02 | テルモ株式会社 | Impeller and blood pump |
| JP2019060320A (en) | 2017-09-28 | 2019-04-18 | 日本電産株式会社 | Axial flow fan |
| CN115977974B (en) * | 2022-09-06 | 2023-10-13 | 广东罗曼智能科技股份有限公司 | Electric hair drier fan motor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0718440B2 (en) * | 1992-11-26 | 1995-03-06 | 株式会社淀川電器製作所 | Fan entanglement prevention device |
| JP3575164B2 (en) * | 1995-05-09 | 2004-10-13 | 株式会社日立製作所 | Axial fan and air separator used for it |
| JP3157100B2 (en) * | 1995-12-25 | 2001-04-16 | シャープ株式会社 | Surface analysis method and device |
| JP2006233886A (en) * | 2005-02-25 | 2006-09-07 | Mitsubishi Electric Corp | Propeller fan |
| JP2009127612A (en) * | 2007-11-28 | 2009-06-11 | Nippon Keiki Works Ltd | Venturi structure of fan motor |
| JP2010156311A (en) * | 2009-01-05 | 2010-07-15 | Hitachi Appliances Inc | Propeller fan for air conditioning |
-
2012
- 2012-08-31 JP JP2012191218A patent/JP6099335B2/en active Active
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