PL2352922T3 - Dyfuzor wyposażony w łopatki z otworami - Google Patents

Dyfuzor wyposażony w łopatki z otworami

Info

Publication number
PL2352922T3
PL2352922T3 PL09756031T PL09756031T PL2352922T3 PL 2352922 T3 PL2352922 T3 PL 2352922T3 PL 09756031 T PL09756031 T PL 09756031T PL 09756031 T PL09756031 T PL 09756031T PL 2352922 T3 PL2352922 T3 PL 2352922T3
Authority
PL
Poland
Prior art keywords
diffuser
blades
holes
Prior art date
Application number
PL09756031T
Other languages
English (en)
Inventor
Jérôme PORODO
Laurent Tarnowski
Hubert Vignau
Original Assignee
Safran Helicopter Engines
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Safran Helicopter Engines filed Critical Safran Helicopter Engines
Publication of PL2352922T3 publication Critical patent/PL2352922T3/pl

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
    • 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
    • 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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

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)
PL09756031T 2008-10-17 2009-10-15 Dyfuzor wyposażony w łopatki z otworami PL2352922T3 (pl)

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
EP09756031.2A EP2352922B1 (fr) 2008-10-17 2009-10-15 Diffuseur muni d'aubes a orifices
PCT/FR2009/051966 WO2010043820A1 (fr) 2008-10-17 2009-10-15 Diffuseur muni d'aubes a orifices

Publications (1)

Publication Number Publication Date
PL2352922T3 true PL2352922T3 (pl) 2017-10-31

Family

ID=40446878

Family Applications (1)

Application Number Title Priority Date Filing Date
PL09756031T PL2352922T3 (pl) 2008-10-17 2009-10-15 Dyfuzor wyposażony w łopatki z otworami

Country Status (11)

Country Link
US (1) US8641373B2 (pl)
EP (1) EP2352922B1 (pl)
JP (1) JP5442741B2 (pl)
KR (1) KR101727892B1 (pl)
CN (1) CN102187101B (pl)
CA (1) CA2740036C (pl)
ES (1) ES2637522T3 (pl)
FR (1) FR2937385B1 (pl)
PL (1) PL2352922T3 (pl)
RU (1) RU2515575C2 (pl)
WO (1) WO2010043820A1 (pl)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
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
EP3204616A1 (en) * 2014-10-07 2017-08-16 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
US20260015945A1 (en) * 2024-07-09 2026-01-15 Rtx Corporation Diffuser-turbine flow network

Family Cites Families (16)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
KR101727892B1 (ko) 2017-04-18
ES2637522T3 (es) 2017-10-13
RU2011119619A (ru) 2012-11-27
EP2352922A1 (fr) 2011-08-10
CA2740036A1 (fr) 2010-04-22
CN102187101A (zh) 2011-09-14
US20110255962A1 (en) 2011-10-20
CA2740036C (fr) 2016-05-17
US8641373B2 (en) 2014-02-04
RU2515575C2 (ru) 2014-05-10
JP5442741B2 (ja) 2014-03-12
FR2937385B1 (fr) 2010-12-10
FR2937385A1 (fr) 2010-04-23
WO2010043820A1 (fr) 2010-04-22
EP2352922B1 (fr) 2017-06-28
JP2012505993A (ja) 2012-03-08
CN102187101B (zh) 2015-05-13
KR20110071009A (ko) 2011-06-27

Similar Documents

Publication Publication Date Title
PL2352922T3 (pl) Dyfuzor wyposażony w łopatki z otworami
FR2920033B1 (fr) Turbomachine avec diffuseur
DK2028366T3 (da) Vindmøllevinge med støjdæmpningsindretninger
BRPI0922878A2 (pt) ventilador
IL212245B (en) Targeting of antigen presenting cells with immunonanotherapeutics
AT507394A3 (de) Windkraftanlage
BRPI0915524A2 (pt) conjunto de aerofólio
NO20076266L (no) Anordning ved løpehjul
BRPI0917179A2 (pt) turbina
FI20080168A0 (fi) Tehonsyöttöjärjestely
PL1820963T3 (pl) Sposób eksploatacji silnika wiatrowego
FI20085762A0 (fi) Alusterä
FR2931515B1 (fr) Turbomachine avec diffuseur
BRPI0920293A2 (pt) nacela
DK2168197T3 (da) Membran-elektrode-enhed
EP2288308A4 (en) STRETCH PREPUCE
SE0800953L (sv) Vindturbin
FR2934133B1 (fr) Table avec allonge
EP2220376A4 (en) Fan
FR2945589B1 (fr) Diffuseur.
IT1391671B1 (it) Ventilatore centrifugo
AT507393A3 (de) Windkraftanlage
UA18554S (uk) Світлорозсіювач
UA18225S (uk) Світлорозсіювач
UA18555S (uk) Світлорозсіювач