FR2643458B1 - Dispositif de detection et de mesure pour la determination en continu de la cavitation dans les pompes dynamiques - Google Patents

Dispositif de detection et de mesure pour la determination en continu de la cavitation dans les pompes dynamiques

Info

Publication number
FR2643458B1
FR2643458B1 FR909002129A FR9002129A FR2643458B1 FR 2643458 B1 FR2643458 B1 FR 2643458B1 FR 909002129 A FR909002129 A FR 909002129A FR 9002129 A FR9002129 A FR 9002129A FR 2643458 B1 FR2643458 B1 FR 2643458B1
Authority
FR
France
Prior art keywords
cavitation
detection
measuring device
continuous determination
dynamic pumps
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
Application number
FR909002129A
Other languages
English (en)
Other versions
FR2643458A1 (fr
Inventor
Ferrari Marco
Nava Pierluigi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nuovo Pignone Holding SpA
Original Assignee
Nuovopignone Industrie Meccaniche e Fonderia SpA
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 Nuovopignone Industrie Meccaniche e Fonderia SpA filed Critical Nuovopignone Industrie Meccaniche e Fonderia SpA
Publication of FR2643458A1 publication Critical patent/FR2643458A1/fr
Application granted granted Critical
Publication of FR2643458B1 publication Critical patent/FR2643458B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing 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
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0088—Testing machines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N2015/0007—Investigating dispersion of gas
    • G01N2015/0011—Investigating dispersion of gas in liquids, e.g. bubbles

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR909002129A 1989-02-22 1990-02-21 Dispositif de detection et de mesure pour la determination en continu de la cavitation dans les pompes dynamiques Expired - Fee Related FR2643458B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8919519A IT1228845B (it) 1989-02-22 1989-02-22 Rilevatore-misuratore in continuo della cavitazione nelle pompe dinamiche.

Publications (2)

Publication Number Publication Date
FR2643458A1 FR2643458A1 (fr) 1990-08-24
FR2643458B1 true FR2643458B1 (fr) 1993-04-30

Family

ID=11158715

Family Applications (1)

Application Number Title Priority Date Filing Date
FR909002129A Expired - Fee Related FR2643458B1 (fr) 1989-02-22 1990-02-21 Dispositif de detection et de mesure pour la determination en continu de la cavitation dans les pompes dynamiques

Country Status (8)

Country Link
US (1) US4990794A (fr)
JP (1) JPH02248695A (fr)
DD (1) DD294559A5 (fr)
DE (1) DE4005503A1 (fr)
FR (1) FR2643458B1 (fr)
GB (1) GB2229524B (fr)
IT (1) IT1228845B (fr)
RU (1) RU1828517C (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4028881A1 (de) * 1990-09-12 1992-03-19 Rheinhuette Gmbh & Co Verfahren und einrichtung zum schutz einer foerdereinrichtung von trockenlauf
JP5065944B2 (ja) * 2008-03-04 2012-11-07 株式会社荏原製作所 水力機械の壊食予測方法、壊食予測装置
US7878052B2 (en) * 2008-07-31 2011-02-01 Perkins Engines Company Limited High pressure cavitation system
JP5185064B2 (ja) * 2008-10-21 2013-04-17 株式会社東芝 キャビテーション壊食予測方法およびキャビテーション壊食予測装置
GB2471908B (en) * 2009-07-17 2011-11-16 Hmd Seal Less Pumps Ltd Non-intrusive vapour detector for magnetic drive pump
DE102010049138A1 (de) 2010-10-22 2012-04-26 Ksb Aktiengesellschaft Vorrichtung zur Pumpenüberwachung
US20160215778A1 (en) * 2013-09-12 2016-07-28 Ebara Corporation Apparatus and method for alleviating and preventing cavitation surge of water supply conduit system
DE102013113904A1 (de) * 2013-12-12 2015-06-18 Pfeiffer Vacuum Gmbh Pumpe
CN108443134B (zh) * 2018-03-29 2023-08-01 广西大学 一种滚动活塞压缩机径向空化观测实验装置
CN114251278B (zh) * 2021-12-31 2023-12-08 湖南凯利特泵业有限公司 基于光电管的水泵叶轮汽蚀状况的观测装置及观测方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE789969A (fr) * 1971-10-15 1973-02-01 Euratom
DE3225754A1 (de) * 1982-07-09 1984-01-12 Hülsbeck & Fürst GmbH & Co KG, 5620 Velbert Verfahren zur schliesswirksamen wechselwirkung eines schluesselartigen teils mit einem schlossartigen teil
US4915591A (en) * 1986-01-08 1990-04-10 Saphirwerk Industrieprodukte Ag Reciprocating pump and control using outlet valve position sensors
US4808092A (en) * 1986-01-08 1989-02-28 Saphirwerk Industrieprodukte Precision reciprocating metering pump
GB2200991B (en) * 1987-02-10 1991-01-16 Nat Nuclear Corp Ltd Detection of cavitation in pumps
DE3725754A1 (de) * 1987-08-04 1989-02-16 Busch Dieter & Co Prueftech Einrichtung zum ueberwachen von pumpen auf gefaehrdung durch kavitation

Also Published As

Publication number Publication date
RU1828517C (ru) 1993-07-15
DE4005503C2 (fr) 1992-02-27
IT8919519A0 (it) 1989-02-22
FR2643458A1 (fr) 1990-08-24
GB2229524B (en) 1993-03-03
GB2229524A (en) 1990-09-26
DD294559A5 (de) 1991-10-02
DE4005503A1 (de) 1990-08-30
IT1228845B (it) 1991-07-05
US4990794A (en) 1991-02-05
JPH02248695A (ja) 1990-10-04
GB9003508D0 (en) 1990-04-11

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Legal Events

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ST Notification of lapse