JP5005181B2 - 遠心ファン - Google Patents
遠心ファン Download PDFInfo
- Publication number
- JP5005181B2 JP5005181B2 JP2005105564A JP2005105564A JP5005181B2 JP 5005181 B2 JP5005181 B2 JP 5005181B2 JP 2005105564 A JP2005105564 A JP 2005105564A JP 2005105564 A JP2005105564 A JP 2005105564A JP 5005181 B2 JP5005181 B2 JP 5005181B2
- Authority
- JP
- Japan
- Prior art keywords
- side wall
- annular rib
- centrifugal fan
- impeller
- blades
- 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.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
- F04D29/162—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of a centrifugal flow wheel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
1−1 ケーシングの側壁
1−11 ケーシング側壁の内面
1−12 環状リブ
2 吸込口
3 羽根車
3−1 翼
3−11 翼上面
3−111 翼上面の凹部
3−2 ハブ
4 隙間
10 主たる流れ
11 還流
11’ 阻止された還流
12 循環流
13 逆流
Claims (3)
- 互いに平行でフラットな2つの側壁と、該両側壁の周縁をカバーする円筒面状の外周壁とを備え、一方の側壁の中央部に軸方向に開口する吸入口が形成され、前記外周壁の一カ所に円周方向に開口する吐出口が形成された渦巻き状のケーシングと、
該ケーシングの他方の側壁の中央部内側に取り付けられ、該側壁に対して垂直な回転軸を有するモータと、
前記モータの回転軸に固定され、外周に多数の羽根を有すると共に該各羽根の外周における前記一方の側壁側に各羽根を連結するリングを有する羽根車と、を備え、
該羽根車の回転時に空気の流れを整えるために、前記一方の側壁の内面に前記他方の側壁側に向けて突出して前記回転軸と同心で形成された環状リブと、前記羽根車の各羽根に前記環状リブが所定のギャップを介して挿入されるよう形成された凹部とを備え、前記環状リブは、前記吸入口より径方向外側で、前記一方の側壁に対してほぼ垂直に形成され、前記環状リブの内周の先端側は、断面円弧状に形成され、前記環状リブと前記凹部とは、回転時に吸入口側に向かう空気流を羽根間に戻すよう構成されていることを特徴とする遠心ファン。 - 前記環状リブの外周の基端側は、前記一方の側壁の内面から滑らかに連続するよう断面円弧状に形成されていることを特徴とする請求項1に記載の遠心ファン。
- 前記凹部の深さは、互いに対向する前記一方の側壁の内面と前記羽根車との間隙より大きくされていることを特徴とする請求項1に記載の遠心ファン。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005105564A JP5005181B2 (ja) | 2005-04-01 | 2005-04-01 | 遠心ファン |
TW095110890A TWI324225B (en) | 2005-04-01 | 2006-03-29 | Centrifugal fan |
US11/392,749 US7476076B2 (en) | 2005-04-01 | 2006-03-30 | Centrifugal fan |
EP06251812.1A EP1707822B1 (en) | 2005-04-01 | 2006-03-31 | Centrifugal fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005105564A JP5005181B2 (ja) | 2005-04-01 | 2005-04-01 | 遠心ファン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006283678A JP2006283678A (ja) | 2006-10-19 |
JP5005181B2 true JP5005181B2 (ja) | 2012-08-22 |
Family
ID=36608575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005105564A Expired - Fee Related JP5005181B2 (ja) | 2005-04-01 | 2005-04-01 | 遠心ファン |
Country Status (4)
Country | Link |
---|---|
US (1) | US7476076B2 (ja) |
EP (1) | EP1707822B1 (ja) |
JP (1) | JP5005181B2 (ja) |
TW (1) | TWI324225B (ja) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4857631B2 (ja) * | 2005-07-15 | 2012-01-18 | 日本電産株式会社 | ファンモータ |
US20080127403A1 (en) * | 2006-11-30 | 2008-06-05 | Airex, Inc. | Ventilating fan with grill having high static pressure resistance |
CN101382154B (zh) * | 2007-09-07 | 2011-06-08 | 富准精密工业(深圳)有限公司 | 离心风扇 |
CN101451541B (zh) * | 2007-11-30 | 2011-06-08 | 富准精密工业(深圳)有限公司 | 离心风扇 |
CN101463831B (zh) * | 2007-12-19 | 2011-07-27 | 富准精密工业(深圳)有限公司 | 散热风扇及其风扇扇叶 |
JP5156477B2 (ja) * | 2008-05-14 | 2013-03-06 | 株式会社日立産機システム | 送風装置 |
CN104533837B (zh) * | 2010-03-17 | 2017-02-15 | 广东松下环境系统有限公司 | 降低换气扇噪音的结构 |
US8427827B2 (en) * | 2010-11-05 | 2013-04-23 | Lenovo (Singapore) Pte. Ltd. | Flow rectifying cooling apparatus and a method for rectifying flow in a cooling apparatus |
CN102478020B (zh) * | 2010-11-24 | 2015-06-03 | 台达电子工业股份有限公司 | 离心式风扇及其扇叶 |
TWI464329B (zh) * | 2010-11-24 | 2014-12-11 | Delta Electronics Inc | 離心式風扇及其扇葉 |
TWI464322B (zh) * | 2010-12-14 | 2014-12-11 | Delta Electronics Inc | 離心式風扇 |
JP5769960B2 (ja) * | 2010-12-21 | 2015-08-26 | ミネベア株式会社 | 遠心式ファン |
JP5769978B2 (ja) * | 2011-01-27 | 2015-08-26 | ミネベア株式会社 | 遠心式ファン |
JP5888494B2 (ja) * | 2011-12-15 | 2016-03-22 | 日本電産株式会社 | 遠心ファン装置 |
TWI458892B (zh) | 2012-01-31 | 2014-11-01 | Quanta Comp Inc | 離心式風扇 |
JP5382154B2 (ja) * | 2012-02-10 | 2014-01-08 | ダイキン工業株式会社 | 換気装置 |
CN103486085A (zh) * | 2012-06-12 | 2014-01-01 | 富瑞精密组件(昆山)有限公司 | 离心风扇 |
US9435348B2 (en) * | 2012-07-10 | 2016-09-06 | Asia Vital Components Co., Ltd. | Fan structure |
TWI490412B (zh) * | 2012-09-18 | 2015-07-01 | Asustek Comp Inc | 離心式風扇 |
JP2014092149A (ja) * | 2012-11-07 | 2014-05-19 | Nippon Densan Corp | 遠心ファン、ハウジング部品鋳造体およびハウジング部品製造方法 |
WO2014167707A1 (ja) * | 2013-04-12 | 2014-10-16 | 三菱電機株式会社 | 遠心送風機 |
DE102017008855A1 (de) * | 2017-09-21 | 2019-03-21 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Teilesatz und Verfahren für die Fertigung eines Radiallüfters |
CN108895027A (zh) * | 2018-05-22 | 2018-11-27 | 广东美的暖通设备有限公司 | 离心风轮、空调室内机和空调器 |
CN110005626A (zh) * | 2019-05-28 | 2019-07-12 | 英业达科技有限公司 | 散热风扇和包含散热风扇的散热模块 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1921218A (en) * | 1932-02-29 | 1933-08-08 | Clyde W Colby | Fan |
US2981461A (en) * | 1958-04-18 | 1961-04-25 | Westinghouse Electric Corp | Centrifugal fans |
US3597117A (en) * | 1969-01-10 | 1971-08-03 | Rotorn Inc | Fan for narrow environments |
US3627440A (en) * | 1970-04-07 | 1971-12-14 | Westinghouse Electric Corp | Centrifugal fan |
JPS56118593A (en) * | 1980-02-25 | 1981-09-17 | Hitachi Ltd | Blower |
JPS5928096A (ja) * | 1982-08-06 | 1984-02-14 | Matsushita Electric Ind Co Ltd | 送風機 |
JPS62158198U (ja) * | 1986-03-28 | 1987-10-07 | ||
JPH0798448B2 (ja) * | 1987-07-24 | 1995-10-25 | 株式会社日立製作所 | 自動車用空調機の送風装置 |
US4917572A (en) * | 1988-05-23 | 1990-04-17 | Airflow Research And Manufacturing Corporation | Centrifugal blower with axial clearance |
JPH09242696A (ja) * | 1996-03-11 | 1997-09-16 | Denso Corp | 遠心送風機 |
JPH102299A (ja) | 1996-06-14 | 1998-01-06 | Matsushita Refrig Co Ltd | 遠心送風機 |
JP3649815B2 (ja) | 1996-08-14 | 2005-05-18 | カルソニックカンセイ株式会社 | 遠心送風機 |
JP3726386B2 (ja) | 1996-11-05 | 2005-12-14 | 株式会社デンソー | 遠心式送風機 |
JP2001115997A (ja) * | 1999-10-14 | 2001-04-27 | Matsushita Seiko Co Ltd | 多翼ファン |
JP2001140791A (ja) * | 1999-11-19 | 2001-05-22 | Minebea Co Ltd | ブロワー |
EP1346156B1 (en) * | 2000-12-04 | 2008-06-11 | Robert Bosch LLC | High efficiency one-piece centrifugal blower |
US6568905B2 (en) * | 2001-09-28 | 2003-05-27 | Sunonwealth Electric Machine Industry Co., Ltd. | Fan wheel structure for a blower fan |
JP3833581B2 (ja) * | 2002-06-24 | 2006-10-11 | 株式会社ケーヒン | 遠心式送風機 |
JP2004092489A (ja) * | 2002-08-30 | 2004-03-25 | Japan Servo Co Ltd | 遠心ファン |
US7207774B2 (en) | 2004-03-17 | 2007-04-24 | Japan Servo Co., Ltd. | Centrifugal fan and casing thereof |
-
2005
- 2005-04-01 JP JP2005105564A patent/JP5005181B2/ja not_active Expired - Fee Related
-
2006
- 2006-03-29 TW TW095110890A patent/TWI324225B/zh not_active IP Right Cessation
- 2006-03-30 US US11/392,749 patent/US7476076B2/en active Active
- 2006-03-31 EP EP06251812.1A patent/EP1707822B1/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
JP2006283678A (ja) | 2006-10-19 |
EP1707822B1 (en) | 2013-10-23 |
EP1707822A3 (en) | 2012-05-02 |
US20060222491A1 (en) | 2006-10-05 |
TWI324225B (en) | 2010-05-01 |
EP1707822A2 (en) | 2006-10-04 |
TW200643314A (en) | 2006-12-16 |
US7476076B2 (en) | 2009-01-13 |
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