IT1228845B - Rilevatore-misuratore in continuo della cavitazione nelle pompe dinamiche. - Google Patents

Rilevatore-misuratore in continuo della cavitazione nelle pompe dinamiche.

Info

Publication number
IT1228845B
IT1228845B IT8919519A IT1951989A IT1228845B IT 1228845 B IT1228845 B IT 1228845B IT 8919519 A IT8919519 A IT 8919519A IT 1951989 A IT1951989 A IT 1951989A IT 1228845 B IT1228845 B IT 1228845B
Authority
IT
Italy
Prior art keywords
measurer
cavitation detector
dynamic pumps
continuous cavitation
continuous
Prior art date
Application number
IT8919519A
Other languages
English (en)
Other versions
IT8919519A0 (it
Inventor
Marco Ferrari
Pierluigi Nava
Original Assignee
Nuovo Pignone 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 Nuovo Pignone Spa filed Critical Nuovo Pignone Spa
Priority to IT8919519A priority Critical patent/IT1228845B/it
Publication of IT8919519A0 publication Critical patent/IT8919519A0/it
Priority to GB9003508A priority patent/GB2229524B/en
Priority to SU904743240A priority patent/RU1828517C/ru
Priority to FR909002129A priority patent/FR2643458B1/fr
Priority to DE4005503A priority patent/DE4005503A1/de
Priority to US07/482,546 priority patent/US4990794A/en
Priority to DD90338033A priority patent/DD294559A5/de
Priority to JP2042319A priority patent/JPH02248695A/ja
Application granted granted Critical
Publication of IT1228845B publication Critical patent/IT1228845B/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
    • F04D29/66—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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT8919519A 1989-02-22 1989-02-22 Rilevatore-misuratore in continuo della cavitazione nelle pompe dinamiche. IT1228845B (it)

Priority Applications (8)

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.
GB9003508A GB2229524B (en) 1989-02-22 1990-02-15 Sensing - measuring device for the continual determination of cavitation in dynamic pumps.
SU904743240A RU1828517C (ru) 1989-02-22 1990-02-21 Оптическа система контрол степени кавитации в лопастном насосе
FR909002129A 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
DE4005503A DE4005503A1 (de) 1989-02-22 1990-02-21 Wahrnehmungs- und messvorrichtung zum fortlaufenden bestimmen der hohlraumbildung in dynamischen pumpen
US07/482,546 US4990794A (en) 1989-02-22 1990-02-21 Sensing-measuring device for continuous determination of cavitation in dynamic pumps
DD90338033A DD294559A5 (de) 1989-02-22 1990-02-21 Wahrnehmungs- und messvorrichtung zum fortlaufenden bestimmen der hohlraumbildung in dynamischen pumpen
JP2042319A JPH02248695A (ja) 1989-02-22 1990-02-22 キャビテーションを連続的に測定する検知測定装置

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
IT8919519A0 IT8919519A0 (it) 1989-02-22
IT1228845B true IT1228845B (it) 1991-07-05

Family

ID=11158715

Family Applications (1)

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

Country Status (8)

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

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 (it) * 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
US4808092A (en) * 1986-01-08 1989-02-28 Saphirwerk Industrieprodukte Precision reciprocating metering pump
US4915591A (en) * 1986-01-08 1990-04-10 Saphirwerk Industrieprodukte Ag Reciprocating pump and control using outlet valve position sensors
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
FR2643458B1 (fr) 1993-04-30
GB2229524B (en) 1993-03-03
JPH02248695A (ja) 1990-10-04
DE4005503C2 (it) 1992-02-27
GB2229524A (en) 1990-09-26
US4990794A (en) 1991-02-05
FR2643458A1 (fr) 1990-08-24
RU1828517C (ru) 1993-07-15
GB9003508D0 (en) 1990-04-11
IT8919519A0 (it) 1989-02-22
DE4005503A1 (de) 1990-08-30
DD294559A5 (de) 1991-10-02

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Legal Events

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

Effective date: 19980225