IT1050560B - Procedimento e mezzi per ridurre la cavitazione nelle pompe rotodinamiche e simili - Google Patents

Procedimento e mezzi per ridurre la cavitazione nelle pompe rotodinamiche e simili

Info

Publication number
IT1050560B
IT1050560B IT68172/75A IT6817275A IT1050560B IT 1050560 B IT1050560 B IT 1050560B IT 68172/75 A IT68172/75 A IT 68172/75A IT 6817275 A IT6817275 A IT 6817275A IT 1050560 B IT1050560 B IT 1050560B
Authority
IT
Italy
Prior art keywords
rotodynamic
procedure
reduce cavitation
similar pumps
pumps
Prior art date
Application number
IT68172/75A
Other languages
English (en)
Original Assignee
Weir Pumps Ltd
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 Weir Pumps Ltd filed Critical Weir Pumps Ltd
Application granted granted Critical
Publication of IT1050560B publication Critical patent/IT1050560B/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
    • 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
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4273—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps suction eyes
    • 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • F04D29/5886—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling by injection
    • 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
    • F05D2260/00—Function
    • F05D2260/60—Fluid transfer
    • F05D2260/602—Drainage
    • F05D2260/6022—Drainage of leakage having past a seal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
IT68172/75A 1974-05-09 1975-05-07 Procedimento e mezzi per ridurre la cavitazione nelle pompe rotodinamiche e simili IT1050560B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB20412/74A GB1503905A (en) 1974-05-09 1974-05-09 Centrifugal fluid pumps

Publications (1)

Publication Number Publication Date
IT1050560B true IT1050560B (it) 1981-03-20

Family

ID=10145533

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68172/75A IT1050560B (it) 1974-05-09 1975-05-07 Procedimento e mezzi per ridurre la cavitazione nelle pompe rotodinamiche e simili

Country Status (5)

Country Link
US (1) US3976391A (it)
JP (1) JPS5145081B2 (it)
FR (1) FR2270463B2 (it)
GB (1) GB1503905A (it)
IT (1) IT1050560B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4621981A (en) * 1982-11-01 1986-11-11 Borg-Warner Corporation Pump improvement
JPS59112633U (ja) * 1983-02-03 1984-07-30 三菱レイヨン株式会社 艶消し状金属光沢を有する複合シ−ト
DE29704389U1 (de) * 1997-03-11 1997-05-07 Burgmann Dichtungswerk Feodor Leckagerückführanordnung bei einer Dichtungseinrichtung
GB2447860B (en) * 2006-11-21 2011-08-03 Salamander Pumped Shower Systems Ltd Improvements in fluid pumping systems
GB2487250B (en) * 2011-01-25 2017-04-26 Cummins Ltd Compressor
CN104235073A (zh) * 2014-10-17 2014-12-24 邢宇 在离心泵转动着的空心转子腔体内引入循环流体
CN106401897A (zh) * 2016-08-30 2017-02-15 梁嘉麟 一种全密封型制冷剂液泵结构其及在高层楼房系统中的使用方法
CN106401896A (zh) * 2016-08-30 2017-02-15 梁嘉麟 全密封型制冷剂液泵在高层楼房制冷系统中的应用设置方法
CN112555159B (zh) * 2020-12-07 2022-05-17 深圳市兴日生实业有限公司 一种节能型稳压水泵

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE276593C (it) *
FR500808A (fr) * 1919-06-18 1920-03-25 Eugene Beaudrey Système pour la réalisation de l'équilibre axial des roues de turbines hydrauliques ou pompes centrifuges
US2283131A (en) * 1940-07-17 1942-05-12 Allis Chalmers Mfg Co Centrifugal blower
AT205865B (de) * 1956-10-26 1959-10-26 Paul Bungartz Abdichtung der Welle einer Kreiselpumpe
AT279747B (de) * 1968-07-30 1970-03-10 Andritz Ag Maschf Anlage zum Reinigen der Kühlflüssigkeit von Kernreaktoren
US3677659A (en) * 1970-07-31 1972-07-18 Worthington Corp Multi-stage pump and components therefor
US3811789A (en) * 1972-04-13 1974-05-21 Weir Pumps Ltd Rotodynamic fluid machines
US3758226A (en) * 1972-07-10 1973-09-11 Sulzer Ag Turbo-compressor having means for drawing in working medium at low temperature

Also Published As

Publication number Publication date
US3976391A (en) 1976-08-24
JPS5129701A (it) 1976-03-13
FR2270463B2 (it) 1978-02-24
JPS5145081B2 (it) 1976-12-02
FR2270463A2 (it) 1975-12-05
GB1503905A (en) 1978-03-15

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