ITTO930903A0 - Pompa centrifuga di elevate prestazioni con girante aperta. - Google Patents

Pompa centrifuga di elevate prestazioni con girante aperta.

Info

Publication number
ITTO930903A0
ITTO930903A0 ITTO930903A ITTO930903A ITTO930903A0 IT TO930903 A0 ITTO930903 A0 IT TO930903A0 IT TO930903 A ITTO930903 A IT TO930903A IT TO930903 A ITTO930903 A IT TO930903A IT TO930903 A0 ITTO930903 A0 IT TO930903A0
Authority
IT
Italy
Prior art keywords
high performance
centrifugal pump
open impeller
performance centrifugal
impeller
Prior art date
Application number
ITTO930903A
Other languages
English (en)
Inventor
Jean-Robert Lehe
Andre Beaurain
Rene Bosson
Etienne Tiret
Original Assignee
Europ Propulsion
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 Europ Propulsion filed Critical Europ Propulsion
Publication of ITTO930903A0 publication Critical patent/ITTO930903A0/it
Publication of ITTO930903A1 publication Critical patent/ITTO930903A1/it
Application granted granted Critical
Publication of IT1261344B publication Critical patent/IT1261344B/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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2261—Rotors specially for centrifugal pumps with special measures
    • F04D29/2266—Rotors specially for centrifugal pumps with special measures for sealing or thrust balance
    • 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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/041—Axial thrust balancing
    • F04D29/0416—Axial thrust balancing balancing pistons
    • 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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
    • F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
ITTO930903A 1992-11-30 1993-11-29 Pompa centrifuga di elevate prestazioni con girante aperta. IT1261344B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9214388A FR2698666B1 (fr) 1992-11-30 1992-11-30 Pompe centrifuge hautement performante à rouet ouvert.

Publications (3)

Publication Number Publication Date
ITTO930903A0 true ITTO930903A0 (it) 1993-11-29
ITTO930903A1 ITTO930903A1 (it) 1995-05-29
IT1261344B IT1261344B (it) 1996-05-14

Family

ID=9436044

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO930903A IT1261344B (it) 1992-11-30 1993-11-29 Pompa centrifuga di elevate prestazioni con girante aperta.

Country Status (3)

Country Link
US (1) US5427498A (it)
FR (1) FR2698666B1 (it)
IT (1) IT1261344B (it)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5577886A (en) * 1995-02-15 1996-11-26 Itt Flygt Ab Sealing device for pump impeller
SE520740C2 (sv) * 1998-06-30 2003-08-19 Abs Pump Prod Ab Centrifugalpump
US6224321B1 (en) * 1998-12-07 2001-05-01 Pratt & Whitney Canada Inc. Impeller containment system
US6129507A (en) * 1999-04-30 2000-10-10 Technology Commercialization Corporation Method and device for reducing axial thrust in rotary machines and a centrifugal pump using same
US6273671B1 (en) 1999-07-30 2001-08-14 Allison Advanced Development Company Blade clearance control for turbomachinery
RU2187713C1 (ru) * 2001-07-13 2002-08-20 Центр внедрения новых технологий Центрального института авиационного моторостроения им. П.И.Баранова Центробежный насос
US20030236489A1 (en) 2002-06-21 2003-12-25 Baxter International, Inc. Method and apparatus for closed-loop flow control system
US6859740B2 (en) * 2002-12-12 2005-02-22 Halliburton Energy Services, Inc. Method and system for detecting cavitation in a pump
GB0326534D0 (en) * 2003-11-14 2003-12-17 Weir Warman Ltd Pump insert and assembly
US7874136B2 (en) * 2006-04-27 2011-01-25 Pratt & Whitney Canada Corp. Rotor containment element with frangible connections
US7871241B2 (en) * 2008-01-15 2011-01-18 Weir Slurry Group, Inc. Self-monitoring system for evaluating and controlling adjustment requirements of leakage restricting devices in rotodynamic pumps
US8070426B2 (en) * 2008-05-19 2011-12-06 Baker Hughes Incorporated System, method and apparatus for open impeller and diffuser assembly for multi-stage submersible pump
JP5145117B2 (ja) * 2008-05-23 2013-02-13 三菱重工業株式会社 圧縮機のハウジング
FR2931521B1 (fr) 2008-05-26 2017-06-23 Turbomeca Couvercle de compresseur a butee axiale.
US8235648B2 (en) * 2008-09-26 2012-08-07 Pratt & Whitney Canada Corp. Diffuser with enhanced surge margin
BRPI0923965B1 (pt) * 2009-01-09 2020-01-28 Sulzer Management Ag bomba centrífuga com um dispositivo para a remoção de partículas
FR2943108B1 (fr) 2009-03-16 2012-01-13 Snecma Butee axiale debrayable
UA112986C2 (uk) * 2011-07-20 2016-11-25 Уейр Мінералз Острейліа Лтд Комбінація бічної частини шламонасоса і робочого колеса шламонасоса
GB2493972B (en) 2011-08-26 2014-12-03 Dyson Technology Ltd Rotor assembly for a turbomachine
GB2493973B (en) * 2011-08-26 2015-04-15 Dyson Technology Ltd Rotor assembly for a turbomachine
US20170082070A1 (en) * 2012-04-17 2017-03-23 Timothy J. Miller Turbopump with a single piece housing and a smooth enamel glass surface
DE102012217381A1 (de) 2012-09-26 2014-03-27 Bosch Mahle Turbo Systems Gmbh & Co. Kg Radialverdichter für einen Abgasturbolader
FR3003913B1 (fr) 2013-03-28 2015-10-16 Snecma Butee axiale debrayable a precharge interne
GB2524422B (en) 2013-05-03 2016-01-06 Dyson Technology Ltd Compressor
GB2513666B (en) * 2013-05-03 2015-07-15 Dyson Technology Ltd Compressor
GB2513665B (en) 2013-05-03 2016-01-06 Dyson Technology Ltd Compressor
GB2513663B (en) * 2013-05-03 2015-11-04 Dyson Technology Ltd Compressor
WO2016007317A1 (en) * 2014-07-09 2016-01-14 Aerojet Rocketdyne, Inc. Turbopump with axially curved vane
WO2016102594A1 (de) * 2014-12-23 2016-06-30 Abb Turbo Systems Ag Diffusor für einen radialverdichter
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
JP6802770B2 (ja) * 2017-10-05 2020-12-23 株式会社酉島製作所 流体機械
CN107917090A (zh) * 2017-12-01 2018-04-17 重庆美的通用制冷设备有限公司 离心机压缩机
US10704560B2 (en) * 2018-06-13 2020-07-07 Rolls-Royce Corporation Passive clearance control for a centrifugal impeller shroud
DE102018125904B4 (de) * 2018-10-18 2022-05-12 Nidec Gpm Gmbh Kühlmitteleinsteckpumpe mit Dichtscheibe zur Minimierung des Dichtspalts
RU2718612C1 (ru) * 2019-07-15 2020-04-08 Акционерное общество "Военно-промышленная корпорация "Научно-производственное объединение машиностроения" Способ контроля осевых зазоров между центробежным колесом и корпусом турбонасосного агрегата и устройство для его осуществления
JP7576643B2 (ja) * 2023-02-28 2024-10-31 日機装株式会社 遠心ポンプ
CN119308883B (zh) * 2024-11-18 2025-11-07 江苏大学 一种离心泵的口环密封装置及离心泵

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1385115A (en) * 1920-08-13 1921-07-19 Ingersoll Rand Co Centrifugal pump
US1488931A (en) * 1921-10-26 1924-04-01 Marechal Paul Joseph Charles Turbo engine
FR723344A (fr) * 1930-12-10 1932-04-07 Beaudrey Et Bergeron Soc Perfectionnements aux pompes centrifuges
US4264271A (en) * 1979-03-15 1981-04-28 Avco Corporation Impeller shroud of a centrifugal compressor
US4687412A (en) * 1985-07-03 1987-08-18 Pratt & Whitney Canada Inc. Impeller shroud
SU1366715A1 (ru) * 1986-02-27 1988-01-15 Всесоюзный научно-исследовательский и конструкторско-технологический институт компрессорного машиностроения Центробежна турбомашина
FR2640323B1 (fr) * 1988-12-12 1991-04-05 Europ Propulsion Ensemble structural compact d'alimentation d'un moteur-fusee en ergols a haute pression

Also Published As

Publication number Publication date
US5427498A (en) 1995-06-27
FR2698666B1 (fr) 1995-02-17
ITTO930903A1 (it) 1995-05-29
IT1261344B (it) 1996-05-14
FR2698666A1 (fr) 1994-06-03

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971128