ITTO981055A0 - Dispositivo di trasferimento di fluido fra due stadi successivi di una turbomacchina centrifuga multistadio. - Google Patents

Dispositivo di trasferimento di fluido fra due stadi successivi di una turbomacchina centrifuga multistadio.

Info

Publication number
ITTO981055A0
ITTO981055A0 IT98TO001055A ITTO981055A ITTO981055A0 IT TO981055 A0 ITTO981055 A0 IT TO981055A0 IT 98TO001055 A IT98TO001055 A IT 98TO001055A IT TO981055 A ITTO981055 A IT TO981055A IT TO981055 A0 ITTO981055 A0 IT TO981055A0
Authority
IT
Italy
Prior art keywords
transfer device
fluid transfer
subsequent stages
multistage centrifugal
centrifugal turbomachine
Prior art date
Application number
IT98TO001055A
Other languages
English (en)
Inventor
Philippe Geai
Duc Jean-Michel Nguyen
Jean-Marie Duchemin
Original Assignee
Con Struction De Moteurs D Avi
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 Con Struction De Moteurs D Avi filed Critical Con Struction De Moteurs D Avi
Publication of ITTO981055A0 publication Critical patent/ITTO981055A0/it
Publication of ITTO981055A1 publication Critical patent/ITTO981055A1/it
Application granted granted Critical
Publication of IT1303605B1 publication Critical patent/IT1303605B1/it

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
    • F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid 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
    • 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
    • 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)
IT1998TO001055A 1997-12-19 1998-12-18 Dispositivo di trasferimento di fluido fra due stadi successivi di unaturbomacchina centrifuga multistadio. IT1303605B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9716149A FR2772843B1 (fr) 1997-12-19 1997-12-19 Dispositif de transfert de fluide entre deux etages successifs d'une turbomachine centrifuge multietages

Publications (3)

Publication Number Publication Date
ITTO981055A0 true ITTO981055A0 (it) 1998-12-18
ITTO981055A1 ITTO981055A1 (it) 2000-06-18
IT1303605B1 IT1303605B1 (it) 2000-11-14

Family

ID=9514838

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1998TO001055A IT1303605B1 (it) 1997-12-19 1998-12-18 Dispositivo di trasferimento di fluido fra due stadi successivi di unaturbomacchina centrifuga multistadio.

Country Status (7)

Country Link
US (1) US6220816B1 (it)
JP (2) JP4510167B2 (it)
CN (1) CN1122760C (it)
DE (1) DE19858700A1 (it)
FR (1) FR2772843B1 (it)
IT (1) IT1303605B1 (it)
RU (1) RU2216648C2 (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6589015B1 (en) * 2002-05-08 2003-07-08 Pratt & Whitney Canada Corp. Discrete passage diffuser
GB2395983A (en) * 2002-12-03 2004-06-09 Rolls Royce Plc Mixed flow compressor for gas turbine engine
US20080163624A1 (en) * 2004-09-21 2008-07-10 Volvo Lastvagnar Ab Pipe Line for a Turbocharger System for an Internal Combustion Engine
FR2906579B1 (fr) 2006-09-28 2008-12-26 Snecma Sa Inducteur et redresseur a moyeu tournant et convergent
US8235648B2 (en) * 2008-09-26 2012-08-07 Pratt & Whitney Canada Corp. Diffuser with enhanced surge margin
US8550771B2 (en) * 2009-08-03 2013-10-08 Ebara International Corporation Inducer for centrifugal pump
US8506236B2 (en) * 2009-08-03 2013-08-13 Ebara International Corporation Counter rotation inducer housing
WO2011017372A1 (en) * 2009-08-03 2011-02-10 Ebara International Corporation Multi-stage inducer for centrifugal pumps
US9631622B2 (en) 2009-10-09 2017-04-25 Ebara International Corporation Inducer for centrifugal pump
RU2482338C2 (ru) * 2010-11-25 2013-05-20 Открытое акционерное общество "НПО Энергомаш имени академика В.П. Глушко" Высокооборотный шнекоцентробежный насос
RU2622775C2 (ru) * 2014-01-09 2017-06-20 Закрытое акционерное общество "Научно-производственная фирма "Невинтермаш" Периферийное осесимметричное колено центробежной ступени
FR3019860B1 (fr) 2014-04-10 2016-05-06 Snecma Dispositif de transfert de fluide et procede de fabrication de celui-ci
FR3031141B1 (fr) * 2014-12-24 2017-02-10 Snecma Procede de detection de fuite de fluide dans une turbomachine et systeme de distribution de fluide
US9926942B2 (en) 2015-10-27 2018-03-27 Pratt & Whitney Canada Corp. Diffuser pipe with vortex generators
US10570925B2 (en) 2015-10-27 2020-02-25 Pratt & Whitney Canada Corp. Diffuser pipe with splitter vane
US10823197B2 (en) 2016-12-20 2020-11-03 Pratt & Whitney Canada Corp. Vane diffuser and method for controlling a compressor having same
FR3081192B1 (fr) * 2018-05-18 2022-12-23 Arianegroup Sas Dispositif ameliore de transfert de fluide pour engin spatial
EP3798453A1 (de) * 2019-09-26 2021-03-31 Siemens Aktiengesellschaft Strömungsführung einer radialturbomaschine, rückführstufe, radialturbomaschine, verfahren zur herstellung
DE102020133459A1 (de) * 2020-12-15 2022-06-15 KSB SE & Co. KGaA Herstellung eines Diffusors als Gruppe von Kanälen
US11391296B1 (en) * 2021-07-07 2022-07-19 Pratt & Whitney Canada Corp. Diffuser pipe with curved cross-sectional shapes

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH243902A (de) * 1944-10-02 1946-08-15 Sulzer Ag Schleuderverdichter mit konisch-schraubenförmigem Strömungsverlauf.
GB627072A (en) * 1946-01-19 1949-07-27 Alfred Buechi Improvements in or relating to centrifugal blowers or pumps
GB689353A (en) * 1950-03-09 1953-03-25 Lysholm Alf Improvements in centrifugal compressors
DE1061621B (de) * 1955-08-03 1959-07-16 Financ D Expansion Commerciale Kreiselpumpe
GB1205514A (en) * 1968-06-20 1970-09-16 United Aircraft Canada Centrifugal and mixed flow discharge apparatus
US3860360A (en) * 1973-09-04 1975-01-14 Gen Motors Corp Diffuser for a centrifugal compressor
US4462751A (en) * 1982-03-24 1984-07-31 Borg-Warner Corporation Centrifugal pump improvement
PL143757B1 (en) * 1984-03-27 1988-03-31 Inst Lotnictwa Ultrasonic channel-type diffuser in particular a radial one
FR2698661B1 (fr) * 1992-11-30 1995-02-17 Europ Propulsion Turbopompe compacte de forte puissance pour moteur-fusée.
JP3482668B2 (ja) * 1993-10-18 2003-12-22 株式会社日立製作所 遠心形流体機械

Also Published As

Publication number Publication date
US6220816B1 (en) 2001-04-24
CN1122760C (zh) 2003-10-01
DE19858700A1 (de) 1999-06-24
FR2772843B1 (fr) 2000-03-17
JPH11257272A (ja) 1999-09-21
IT1303605B1 (it) 2000-11-14
ITTO981055A1 (it) 2000-06-18
RU2216648C2 (ru) 2003-11-20
CN1221078A (zh) 1999-06-30
JP2010031879A (ja) 2010-02-12
JP4510167B2 (ja) 2010-07-21
FR2772843A1 (fr) 1999-06-25

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