JP5442741B2 - 開口付きブレードを有するディフューザ - Google Patents
開口付きブレードを有するディフューザ Download PDFInfo
- Publication number
- JP5442741B2 JP5442741B2 JP2011531541A JP2011531541A JP5442741B2 JP 5442741 B2 JP5442741 B2 JP 5442741B2 JP 2011531541 A JP2011531541 A JP 2011531541A JP 2011531541 A JP2011531541 A JP 2011531541A JP 5442741 B2 JP5442741 B2 JP 5442741B2
- Authority
- JP
- Japan
- Prior art keywords
- flank
- diffuser
- wing
- cavity
- cross
- 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
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Images
Classifications
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- 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
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- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
- F04D27/0215—Arrangements therefor, e.g. bleed or by-pass valves
-
- 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
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
-
- 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
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
- F04D29/682—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps by fluid extraction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
-
- 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
- F05D2250/50—Inlet or outlet
- F05D2250/52—Outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
Claims (12)
- ガスタービンの混流または遠心圧縮機のディフューザ(18)にして、ディフューザが、圧力側(I)と吸引側(E)と第1のフランク(22、122)とを有する少なくとも1つの翼(20、120)を備え、前記翼が、吸引側(E)および/または圧力側(I)に向かって開口して翼内に形成された少なくとも1つの空洞と連通する複数のオリフィス(26、126、34、134、32、132)を備え、前記空洞(30、36、200、210)が、翼に対して横断方向に伸びて第1のフランクに向かって開口するようなディフューザであって、空洞(30、36、200、210)の断面が翼の横断方向に向かって変化し、前記断面が第1のフランクに向かって次第に増大することを特徴とする、ディフューザ。
- 吸引側(E)に向かって開口して翼内に形成された少なくとも1つの空洞(30、200)と連通して第1のフランク(22、122)に向かって開口する第1の組のオリフィス(26、126)を含むことを特徴とする、請求項1に記載のディフューザ。
- 第1のフランク(122)に向かって開口する単一の空洞(200)を含むことを特徴とする、請求項2に記載のディフューザ。
- 第1のフランク(22)に向かって開口する凹部を形成する複数の空洞(30)を含むことを特徴とする、請求項2に記載のディフューザ。
- 各凹部(30)が円錐台形状であることを特徴とする、請求項4に記載のディフューザ。
- 圧力側(I)に向かって開口し、翼(20、120)内に設けられ、かつ翼の2つのフランクのうちの一方に向かって開口する少なくとも1つの他の空洞(36、120)と連通する第2の組のオリフィス(34、134)をさらに含むことを特徴とする、請求項1から5のいずれか一項に記載のディフューザ。
- 前記他の空洞(36、120)の断面が、翼(22、122)の第1の縁部に向かって次第に増大しながら変化することを特徴とする、請求項6に記載のディフューザ。
- 第2の組のオリフィス(134)が、第1のフランク(122)に向かって開口する1つの空洞(210)と連通することを特徴とする、請求項6または7に記載のディフューザ。
- 第2の組のオリフィス(34)が、第1のフランク(22)に向かって開口する凹部を形成する複数の空洞(36)と連通することを特徴とする、請求項6または7に記載のディフューザ。
- 各凹部(36)が円錐台形状であることを特徴とする、請求項9に記載のディフューザ。
- オリフィス(26、126、34、134)が、横断方向の穴(32、132)および/またはスロット(26、126、34、134)であることを特徴とする、請求項1から10のいずれか一項に記載のディフューザ。
- 請求項1から11のいずれか一項に記載のディフューザ(18)を含む、ターボエンジン(10)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0857053A FR2937385B1 (fr) | 2008-10-17 | 2008-10-17 | Diffuseur muni d'aubes a orifices |
FR0857053 | 2008-10-17 | ||
PCT/FR2009/051966 WO2010043820A1 (fr) | 2008-10-17 | 2009-10-15 | Diffuseur muni d'aubes a orifices |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012505993A JP2012505993A (ja) | 2012-03-08 |
JP5442741B2 true JP5442741B2 (ja) | 2014-03-12 |
Family
ID=40446878
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011531541A Expired - Fee Related JP5442741B2 (ja) | 2008-10-17 | 2009-10-15 | 開口付きブレードを有するディフューザ |
Country Status (11)
Country | Link |
---|---|
US (1) | US8641373B2 (ja) |
EP (1) | EP2352922B1 (ja) |
JP (1) | JP5442741B2 (ja) |
KR (1) | KR101727892B1 (ja) |
CN (1) | CN102187101B (ja) |
CA (1) | CA2740036C (ja) |
ES (1) | ES2637522T3 (ja) |
FR (1) | FR2937385B1 (ja) |
PL (1) | PL2352922T3 (ja) |
RU (1) | RU2515575C2 (ja) |
WO (1) | WO2010043820A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8235648B2 (en) * | 2008-09-26 | 2012-08-07 | Pratt & Whitney Canada Corp. | Diffuser with enhanced surge margin |
FR2944060B1 (fr) * | 2009-04-06 | 2013-07-19 | Turbomeca | Systeme d'air secondaire pour compresseur centrifuge ou mixte |
FR2975451B1 (fr) * | 2011-05-16 | 2016-07-01 | Turbomeca | Procede de soufflage dans un diffuseur de turbine a gaz et diffuseur correspondant |
FR3003908B1 (fr) * | 2013-03-28 | 2017-07-07 | Turbomeca | Diffuseur a ailettes d un compresseur radial ou mixte |
US9803652B2 (en) | 2014-02-10 | 2017-10-31 | Pratt & Whitney Canada Corp. | Centrifugal compressor diffuser and method for controlling same |
WO2016057112A1 (en) * | 2014-10-07 | 2016-04-14 | General Electric Company | Centrifugal compressor diffuser passage boundary layer control |
EP3312432B1 (en) * | 2016-10-19 | 2021-06-23 | IFP Energies nouvelles | Diffuser for a fluid compression device, comprising at least one vane with opening |
US10823197B2 (en) | 2016-12-20 | 2020-11-03 | Pratt & Whitney Canada Corp. | Vane diffuser and method for controlling a compressor having same |
US10690139B2 (en) * | 2017-05-10 | 2020-06-23 | Itt Manufacturing Enterprises Llc | Multi-stage pump with enhanced thrust balancing features |
CN107023516A (zh) * | 2017-05-11 | 2017-08-08 | 珠海格力电器股份有限公司 | 扩压器叶片、压缩机结构和压缩机 |
US11378005B1 (en) | 2020-12-17 | 2022-07-05 | Pratt & Whitney Canada Corp. | Compressor diffuser and diffuser pipes therefor |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1085227A (en) * | 1963-07-26 | 1967-09-27 | Rolls Royce | Improvements in or relating to gas turbine engines |
SU399627A1 (ru) * | 1967-09-19 | 1973-10-03 | Диффузор | |
DE1938132A1 (de) * | 1969-07-26 | 1971-01-28 | Daimler Benz Ag | Leitschaufeln von Axialverdichtern |
US4164845A (en) * | 1974-10-16 | 1979-08-21 | Avco Corporation | Rotary compressors |
US4022541A (en) * | 1976-04-12 | 1977-05-10 | General Motors Corporation | Assembled diffuser |
US4099891A (en) * | 1977-07-14 | 1978-07-11 | Miriam N. Campbell | Sawtoothed diffuser, vaned, for centrifugal compressors |
JPS54127014A (en) * | 1978-03-24 | 1979-10-02 | Kobe Steel Ltd | Diffuser |
AU533765B2 (en) * | 1978-11-20 | 1983-12-08 | Avco Corporation | Surge control in gas; turbine |
JPS5859399A (ja) * | 1981-10-02 | 1983-04-08 | Hitachi Ltd | タ−ボ形流体機械 |
JPS59192899A (ja) * | 1983-04-15 | 1984-11-01 | Hitachi Ltd | 遠心形タ−ボ機械の羽根付デイフユ−ザ |
SU1460433A2 (ru) * | 1986-10-21 | 1989-02-23 | Свердловский горный институт им.В.В.Вахрушева | Лопатка осевого вентил тора |
DE19817705C2 (de) * | 1998-04-21 | 2001-02-15 | Man Turbomasch Ag Ghh Borsig | Kühlluftentnahme aus dem Diffusorteil eines Kompressors einer Gasturbine |
EP1245785B1 (de) * | 2001-03-26 | 2005-06-01 | Siemens Aktiengesellschaft | Verfahren zur Herstellung einer Turbinenschaufel |
US6609881B2 (en) * | 2001-11-15 | 2003-08-26 | General Electric Company | Steam turbine inlet and methods of retrofitting |
US7101151B2 (en) * | 2003-09-24 | 2006-09-05 | General Electric Company | Diffuser for centrifugal compressor |
JP2008075536A (ja) | 2006-09-21 | 2008-04-03 | Mitsubishi Heavy Ind Ltd | 遠心圧縮機 |
-
2008
- 2008-10-17 FR FR0857053A patent/FR2937385B1/fr not_active Expired - Fee Related
-
2009
- 2009-10-15 KR KR1020117011000A patent/KR101727892B1/ko active IP Right Grant
- 2009-10-15 PL PL09756031T patent/PL2352922T3/pl unknown
- 2009-10-15 CA CA2740036A patent/CA2740036C/fr active Active
- 2009-10-15 WO PCT/FR2009/051966 patent/WO2010043820A1/fr active Application Filing
- 2009-10-15 JP JP2011531541A patent/JP5442741B2/ja not_active Expired - Fee Related
- 2009-10-15 ES ES09756031.2T patent/ES2637522T3/es active Active
- 2009-10-15 RU RU2011119619/06A patent/RU2515575C2/ru active
- 2009-10-15 EP EP09756031.2A patent/EP2352922B1/fr active Active
- 2009-10-15 CN CN200980141435.5A patent/CN102187101B/zh active Active
- 2009-10-15 US US13/124,134 patent/US8641373B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
RU2011119619A (ru) | 2012-11-27 |
US8641373B2 (en) | 2014-02-04 |
US20110255962A1 (en) | 2011-10-20 |
WO2010043820A1 (fr) | 2010-04-22 |
CA2740036A1 (fr) | 2010-04-22 |
ES2637522T3 (es) | 2017-10-13 |
KR20110071009A (ko) | 2011-06-27 |
CA2740036C (fr) | 2016-05-17 |
FR2937385A1 (fr) | 2010-04-23 |
PL2352922T3 (pl) | 2017-10-31 |
CN102187101B (zh) | 2015-05-13 |
EP2352922A1 (fr) | 2011-08-10 |
CN102187101A (zh) | 2011-09-14 |
KR101727892B1 (ko) | 2017-04-18 |
RU2515575C2 (ru) | 2014-05-10 |
FR2937385B1 (fr) | 2010-12-10 |
EP2352922B1 (fr) | 2017-06-28 |
JP2012505993A (ja) | 2012-03-08 |
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