JP4138748B2 - 遠心ポンプのための羽根車 - Google Patents
遠心ポンプのための羽根車 Download PDFInfo
- Publication number
- JP4138748B2 JP4138748B2 JP2004547387A JP2004547387A JP4138748B2 JP 4138748 B2 JP4138748 B2 JP 4138748B2 JP 2004547387 A JP2004547387 A JP 2004547387A JP 2004547387 A JP2004547387 A JP 2004547387A JP 4138748 B2 JP4138748 B2 JP 4138748B2
- Authority
- JP
- Japan
- Prior art keywords
- impeller
- centrifugal pump
- medium
- pumped
- cover plate
- 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
Images
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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
-
- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2216—Shape, geometry
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
Claims (8)
- 遠心ポンプのための羽根車において、前方のカバープレート(5)と後方のカバープレート(6)との間に、少なくとも3つの羽根(1)が配置されており、少なくとも1つの羽根(1)の吸込縁部の弧(2)が、圧送したい媒体の入口側(3)の平面図で見て、唯一の変曲点Wを備えて正弦状に経過していることを特徴とする、遠心ポンプのための羽根車。
- 変曲点Wが、吸込縁部の弧(2)の外側端部Aよりも吸込縁部の弧(2)の内側端部Bの近くに位置している、請求項1記載の羽根車。
- 7個〜15個の羽根(1)が配置されている、請求項1または2記載の羽根車。
- 全ての羽根(1)が同じ形状を有している、請求項1から3までのいずれか1項記載の羽根車。
- 吸込縁部の弧(2)の全ての内側端部Bが、圧送したい媒体の入口側(3)の平面図に関して、1つの円(7)上に位置している、請求項1から4までのいずれか1項記載の羽根車。
- 後方のカバープレート(6)の、圧送したい媒体の流れ方向に向けられた面(6′)が、凸状に形成されている、請求項1から5までのいずれか1項記載の羽根車。
- 後方のカバープレート(6)の、圧送したい媒体の流れ方向に向けられた面(6′)が、平坦な面(6″)を中央に有している、請求項5または6記載の羽根車。
- 自動車における冷却水を圧送するための遠心ポンプ内で使用される、請求項1から7までのいずれか1項記載の羽根車。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002150776 DE10250776A1 (de) | 2002-10-30 | 2002-10-30 | Laufrad für eine Kreiselpumpe |
PCT/DE2003/003182 WO2004040145A1 (de) | 2002-10-30 | 2003-09-24 | Laufrad für eine kreiselpumpe |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006504041A JP2006504041A (ja) | 2006-02-02 |
JP4138748B2 true JP4138748B2 (ja) | 2008-08-27 |
Family
ID=32103223
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004547387A Expired - Fee Related JP4138748B2 (ja) | 2002-10-30 | 2003-09-24 | 遠心ポンプのための羽根車 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1556616B1 (ja) |
JP (1) | JP4138748B2 (ja) |
DE (2) | DE10250776A1 (ja) |
WO (1) | WO2004040145A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013018632A1 (de) * | 2013-11-06 | 2015-05-07 | Daimler Ag | Stellvorrichtung für einen Verbrennungsmotor |
US20180216468A1 (en) * | 2015-07-30 | 2018-08-02 | Gardner Denver Nash Llc | Blade contour of a rotor for a liquid ring pump |
CN110762050A (zh) * | 2019-12-18 | 2020-02-07 | 浙江兴益风机电器有限公司 | 一种离心风机叶轮 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1050523A (en) * | 1911-12-20 | 1913-01-14 | Ralph H Dixon | Centrifugal pump. |
GB336977A (en) * | 1928-10-05 | 1930-10-16 | Alphonse De Riesenkampf | System of rotary blades more particularly applicable to immersed propellers |
GB859815A (en) * | 1956-03-31 | 1961-01-25 | Walter Bohmann | Improvements in and relating to runner blades for pumps, blowers or compressors |
US3444817A (en) * | 1967-08-23 | 1969-05-20 | William J Caldwell | Fluid pump |
JPS59168297A (ja) * | 1983-03-16 | 1984-09-21 | Hitachi Ltd | 溶接羽根車 |
JPS59192898A (ja) * | 1983-04-15 | 1984-11-01 | Hitachi Zosen Corp | 遠心羽根車 |
JP2931432B2 (ja) * | 1991-04-30 | 1999-08-09 | 大平洋機工 株式会社 | ウオータポンプまたは汎用ポンプの羽根車 |
IT225647Y1 (it) * | 1991-05-22 | 1997-01-13 | Zanussi Elettrodomestici | Girante per pompa centrifuga |
US5730582A (en) * | 1997-01-15 | 1998-03-24 | Essex Turbine Ltd. | Impeller for radial flow devices |
-
2002
- 2002-10-30 DE DE2002150776 patent/DE10250776A1/de not_active Withdrawn
-
2003
- 2003-09-24 DE DE50305604T patent/DE50305604D1/de not_active Expired - Lifetime
- 2003-09-24 WO PCT/DE2003/003182 patent/WO2004040145A1/de active IP Right Grant
- 2003-09-24 EP EP03773454A patent/EP1556616B1/de not_active Expired - Fee Related
- 2003-09-24 JP JP2004547387A patent/JP4138748B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2006504041A (ja) | 2006-02-02 |
DE10250776A1 (de) | 2004-05-13 |
EP1556616A1 (de) | 2005-07-27 |
EP1556616B1 (de) | 2006-11-02 |
DE50305604D1 (de) | 2006-12-14 |
WO2004040145A1 (de) | 2004-05-13 |
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