JP2008286198A - スプリッタベーンを使用した遠心圧縮機の戻り流路 - Google Patents
スプリッタベーンを使用した遠心圧縮機の戻り流路 Download PDFInfo
- Publication number
- JP2008286198A JP2008286198A JP2008128980A JP2008128980A JP2008286198A JP 2008286198 A JP2008286198 A JP 2008286198A JP 2008128980 A JP2008128980 A JP 2008128980A JP 2008128980 A JP2008128980 A JP 2008128980A JP 2008286198 A JP2008286198 A JP 2008286198A
- Authority
- JP
- Japan
- Prior art keywords
- flow
- vanes
- return section
- pat
- splitter
- 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.)
- Pending
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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
- F04D29/444—Bladed diffusers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage pumps
- F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/70—Shape
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
【解決手段】本戻りセクションは、円周方向に配設された複数のフローベーン(12)と、フローベーン(12)間に配設された複数のスプリッタベーン(14)とを含む。スプリッタベーン(14)は、逆流又は剥離流最小限又は完全になくす働きをして、圧縮機性能の向上をもたらす。
【選択図】 図2
Description
14 スプリッタベーン
Claims (10)
- 多段遠心圧縮機における戻りセクションであって、
円周方向に配設された複数のフローベーン(12)と、
前記フローベーン(12)間に配設された複数のスプリッタベーン(14)と
を備える戻りセクション。 - 前記フローベーン(12)が翼形を有する、請求項1記載の戻りセクション。
- 前記スプリッタベーン(14)が、前記フローベーン(12)とは異なる幾何形状を有する、請求項1記載の戻りセクション。
- 前記スプリッタベーン(14)が前記フローベーン(12)よりも短い、請求項3記載の戻りセクション。
- 前記スプリッタベーン(14)の数及び幾何形状が剥離流領域を最小限にするように選定される、請求項1記載の戻りセクション。
- 13枚のフローベーン(12)と13枚のスプリッタベーン(14)とを備える、請求項5記載の戻りセクション。
- 前記フローベーン(12)及びスプリッタベーン(14)が交互に配設される、請求項1記載の戻りセクション。
- 多段遠心圧縮機における戻りセクションであって、当該戻りセクションが、
円周方向に配設された複数のフローベーン(12)と、
前記フローベーン(12)の各々の間に配設された流れ改良構造体であって、逆流又は剥離流の領域を最小限にする働きをする流れ改良構造体と
を備える戻りセクション。 - 前記流れ改良構造体が、各々前記フローベーン(12)間に配設された複数のスプリッタベーン(14)を含む、請求項8記載の戻りセクション。
- 多段遠心圧縮機における戻りセクションであって、
円周方向に配設された複数の翼形フローベーン(12)と、
前記フローベーン(12)間に配設された複数の翼形スプリッタベーン(14)であって、前記フローベーン(12)とは異なる幾何形状のもので逆流又は剥離流の領域を最小限にする働きをするスプリッタベーン(14)と
を備える戻りセクション。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/750,050 US7905703B2 (en) | 2007-05-17 | 2007-05-17 | Centrifugal compressor return passages using splitter vanes |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2008286198A true JP2008286198A (ja) | 2008-11-27 |
Family
ID=39869057
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008128980A Pending JP2008286198A (ja) | 2007-05-17 | 2008-05-16 | スプリッタベーンを使用した遠心圧縮機の戻り流路 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7905703B2 (ja) |
JP (1) | JP2008286198A (ja) |
CN (1) | CN101307768A (ja) |
CH (1) | CH704102B1 (ja) |
DE (1) | DE102008024887A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016033352A (ja) * | 2014-07-31 | 2016-03-10 | 日本電産株式会社 | 電動送風機 |
JP2018505991A (ja) * | 2015-02-17 | 2018-03-01 | ドレッサー ランド カンパニーDresser−Rand Company | 内部冷却される圧縮機ダイヤフラム |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2927670B1 (fr) * | 2008-02-15 | 2010-03-19 | Alstom Hydro France | Roue pour machine hydraulique, machine hydraulique comprenant une telle roue et installation de conversion d'energie equipee d'une telle machine hydraulique. |
AU2009296200B2 (en) * | 2008-09-29 | 2014-07-31 | Andrew L. Bender | High efficiency turbine |
JP5613006B2 (ja) * | 2010-10-18 | 2014-10-22 | 株式会社日立製作所 | 多段遠心圧縮機およびそのリターンチャネル |
CN103775389A (zh) * | 2014-01-09 | 2014-05-07 | 浙江工业大学 | 节段式多级泵用径向导叶 |
CN103883561B (zh) * | 2014-02-25 | 2016-08-31 | 江苏大学 | 一种余热排出泵的径向式导叶 |
US9784283B2 (en) * | 2014-06-06 | 2017-10-10 | Baker Hughes Incorporated | Diffuser vanes with pockets for submersible well pump |
CN105370626B (zh) * | 2014-08-07 | 2019-02-19 | 重庆美的通用制冷设备有限公司 | 用于离心压缩机的回流器及具有其的离心压缩机 |
CN104500454A (zh) * | 2014-12-25 | 2015-04-08 | 珠海格力电器股份有限公司 | 一种回流器及离心式压缩机 |
JP6781155B2 (ja) * | 2015-01-28 | 2020-11-04 | ヌオーヴォ・ピニォーネ・テクノロジー・ソチエタ・レスポンサビリタ・リミタータNuovo Pignone Tecnologie S.R.L. | ターボ機械の流れを制御するための装置、ターボ機械および方法 |
KR102083168B1 (ko) * | 2017-11-07 | 2020-03-02 | 주식회사 에어로네트 | 주 날개 및 보조 날개를 구비한 임펠러 |
US11953024B1 (en) * | 2022-10-26 | 2024-04-09 | Halliburton Energy Services, Inc. | Centrifugal pump stage diffuser |
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JP2005330878A (ja) * | 2004-05-19 | 2005-12-02 | Torishima Pump Mfg Co Ltd | 多段流体機械 |
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- 2008-05-14 CN CNA2008100994740A patent/CN101307768A/zh active Pending
- 2008-05-16 DE DE102008024887A patent/DE102008024887A1/de not_active Withdrawn
- 2008-05-16 JP JP2008128980A patent/JP2008286198A/ja active Pending
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016033352A (ja) * | 2014-07-31 | 2016-03-10 | 日本電産株式会社 | 電動送風機 |
JP2018505991A (ja) * | 2015-02-17 | 2018-03-01 | ドレッサー ランド カンパニーDresser−Rand Company | 内部冷却される圧縮機ダイヤフラム |
US10605263B2 (en) | 2015-02-17 | 2020-03-31 | Dresser-Rand Company | Internally-cooled compressor diaphragm |
Also Published As
Publication number | Publication date |
---|---|
CN101307768A (zh) | 2008-11-19 |
DE102008024887A1 (de) | 2008-11-20 |
US20080286095A1 (en) | 2008-11-20 |
US7905703B2 (en) | 2011-03-15 |
CH704102B1 (de) | 2012-05-31 |
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