JP2015017617A5 - - Google Patents
Info
- Publication number
- JP2015017617A5 JP2015017617A5 JP2014204964A JP2014204964A JP2015017617A5 JP 2015017617 A5 JP2015017617 A5 JP 2015017617A5 JP 2014204964 A JP2014204964 A JP 2014204964A JP 2014204964 A JP2014204964 A JP 2014204964A JP 2015017617 A5 JP2015017617 A5 JP 2015017617A5
- Authority
- JP
- Japan
- Prior art keywords
- blade
- blade root
- edge
- disposed
- central axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002093 peripheral Effects 0.000 claims 6
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000009751 slip forming Methods 0.000 claims 1
Claims (5)
前記回転軸部の外表面から前記中心軸の半径方向外側に延出する翼と、を備え、
前記翼は、
前記翼および前記回転軸部の前記外表面の間に配置される翼根部と、
前記翼根部に連続し、前記翼根部とともに前記翼の周縁を形成する周縁部と、
前記翼根部および前記周縁部に囲まれた領域に形成される翼面と、を含み、
前記周縁部は、
前記回転方向の上流側に配置される前縁部と、
前記前縁部の前記半径方向外側に配置される翼先端部と、
前記回転方向の下流側に配置される後縁部と、
前記後縁部の前記半径方向外側に配置される翼後端部と、
前記中心軸の周方向に延び、前記翼先端部と前記翼後端部との間を接続する外縁部と、を有し、
前記翼根部は、前記翼面の正圧面側が軸方向に凸となり前記翼面の負圧面側が軸方向に凹となるように反った形状を有し、
前記翼は、前記翼根部の反り方向と前記外縁部の反り方向とが逆向きになるように形成される、
プロペラファン。 A rotating shaft portion that rotates in a predetermined rotation direction around a virtual central axis;
A wing extending radially outward of the central axis from the outer surface of the rotating shaft portion,
The wing
A blade root portion disposed between the blade and the outer surface of the rotating shaft portion;
A peripheral portion that is continuous with the blade root and forms a periphery of the blade with the blade root;
A blade surface formed in a region surrounded by the blade root and the peripheral edge,
The peripheral portion is
A front edge portion disposed on the upstream side in the rotational direction;
A blade tip disposed radially outward of the leading edge;
A rear edge disposed downstream in the rotational direction;
A wing trailing end disposed on the radially outer side of the trailing edge; and
An outer edge portion extending in a circumferential direction of the central axis and connecting between the blade tip portion and the blade trailing end portion;
The blade root has a curved shape such that the pressure surface side of the blade surface is convex in the axial direction and the suction surface side of the blade surface is concave in the axial direction,
The blade is formed such that the warp direction of the blade root portion and the warp direction of the outer edge portion are opposite to each other.
Propeller fan.
前記回転軸部の外表面から前記中心軸の半径方向外側に延出する翼と、を備え、
前記翼は、
前記翼および前記回転軸部の前記外表面の間に配置される翼根部と、
前記翼根部に連続し、前記翼根部とともに前記翼の周縁を形成する周縁部と、
前記翼根部および前記周縁部に囲まれた領域に形成される翼面と、を含み、
前記周縁部は、
前記回転方向の上流側に配置される前縁部と、
前記前縁部の前記半径方向外側に配置される翼先端部と、
前記回転方向の下流側に配置される後縁部と、
前記後縁部の前記半径方向外側に配置される翼後端部と、
前記中心軸の周方向に延び、前記翼先端部と前記翼後端部との間を接続する外縁部と、を有し、
前記翼根部は、前記周方向に沿う断面視が前記前縁部から前記後縁部に向かうにつれ噴出側に反った形状から吸込側に向かって反った形状へと連続して形成され、
前記吸込側への反りより前記噴出側への反りの方が大きい、
プロペラファン。 A rotating shaft portion that rotates in a predetermined rotation direction around a virtual central axis;
A wing extending radially outward of the central axis from the outer surface of the rotating shaft portion,
The wing
A blade root portion disposed between the blade and the outer surface of the rotating shaft portion;
A peripheral portion that is continuous with the blade root and forms a periphery of the blade with the blade root;
A blade surface formed in a region surrounded by the blade root and the peripheral edge,
The peripheral portion is
A front edge portion disposed on the upstream side in the rotational direction;
A blade tip disposed radially outward of the leading edge;
A rear edge disposed downstream in the rotational direction;
A wing trailing end disposed on the radially outer side of the trailing edge; and
An outer edge portion extending in a circumferential direction of the central axis and connecting between the blade tip portion and the blade trailing end portion;
The blade root portion is continuously formed from a shape warped toward the suction side to a shape warped toward the suction side as the sectional view along the circumferential direction goes from the front edge portion toward the rear edge portion,
The warp to the ejection side is greater than the warp to the suction side,
Propeller fan.
前記前縁部は、前記回転軸部と前記回転軸部から前記半径方向外側に離れた位置との間で、前記中心軸の軸方向において一定の高さを有する、
請求項１または２に記載のプロペラファン。 The stagger angle at the blade root is smaller than the stagger angle at the outer edge,
The front edge portion has a constant height in the axial direction of the central axis between the rotary shaft portion and a position away from the rotary shaft portion in the radial direction.
The propeller fan according to claim 1 or 2.
流体送り装置。Fluid feeder.
前記プロペラファンを成形するために用いられる、Used to mold the propeller fan,
成形用金型。Mold for molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014204964A JP6050297B2 (en) | 2014-10-03 | 2014-10-03 | Propeller fan and mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014204964A JP6050297B2 (en) | 2014-10-03 | 2014-10-03 | Propeller fan and mold |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012089285A Division JP5629721B2 (en) | 2012-04-10 | 2012-04-10 | Propeller fan, fluid feeder and mold |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015017617A JP2015017617A (en) | 2015-01-29 |
| JP2015017617A5 true JP2015017617A5 (en) | 2015-04-30 |
| JP6050297B2 JP6050297B2 (en) | 2016-12-21 |
Family
ID=52438808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014204964A Active JP6050297B2 (en) | 2014-10-03 | 2014-10-03 | Propeller fan and mold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6050297B2 (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59192695U (en) * | 1983-06-07 | 1984-12-21 | 横山 光明 | Fan |
| JPH0786358B2 (en) * | 1988-03-29 | 1995-09-20 | 株式会社東芝 | fan |
| JPH0211900A (en) * | 1988-06-29 | 1990-01-16 | Yoshiko Fujii | Compound fan |
| JPH05202893A (en) * | 1992-01-30 | 1993-08-10 | Matsushita Electric Ind Co Ltd | Air blower |
| JP3203994B2 (en) * | 1994-10-31 | 2001-09-04 | 三菱電機株式会社 | Axial blower |
| JP4132826B2 (en) * | 2002-01-10 | 2008-08-13 | シャープ株式会社 | Propeller fan, its mold and fluid feeder |
| JP4501575B2 (en) * | 2004-07-26 | 2010-07-14 | 三菱電機株式会社 | Axial blower |
| JP2012089285A (en) * | 2010-10-18 | 2012-05-10 | Toshiba Lighting & Technology Corp | Light emitting device, and lighting fixture |
| JP5629721B2 (en) * | 2012-04-10 | 2014-11-26 | シャープ株式会社 | Propeller fan, fluid feeder and mold |
-
2014
- 2014-10-03 JP JP2014204964A patent/JP6050297B2/en active Active
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