ZA767294B - Means for reducing cavitation-induced erosion of centrifugal pumps - Google Patents

Means for reducing cavitation-induced erosion of centrifugal pumps

Info

Publication number
ZA767294B
ZA767294B ZA767294A ZA767294A ZA767294B ZA 767294 B ZA767294 B ZA 767294B ZA 767294 A ZA767294 A ZA 767294A ZA 767294 A ZA767294 A ZA 767294A ZA 767294 B ZA767294 B ZA 767294B
Authority
ZA
South Africa
Prior art keywords
centrifugal pumps
reducing cavitation
induced erosion
erosion
cavitation
Prior art date
Application number
ZA767294A
Other languages
English (en)
Inventor
H Matthias
B Lang
H Knoepfel
P Hergt
P Buschsieper
Original Assignee
Klein Schanzlin & Becker Ag
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 Klein Schanzlin & Becker Ag filed Critical Klein Schanzlin & Becker Ag
Publication of ZA767294B publication Critical patent/ZA767294B/xx

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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2261—Rotors specially for centrifugal pumps with special measures
    • F04D29/2277—Rotors specially for centrifugal pumps with special measures for increasing NPSH or dealing with liquids near boiling-point
    • 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
    • F04D29/66—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
ZA767294A 1975-12-27 1976-12-07 Means for reducing cavitation-induced erosion of centrifugal pumps ZA767294B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2558840A DE2558840C2 (de) 1975-12-27 1975-12-27 Einrichtung zur Verminderung des Kavitationsverschleisses

Publications (1)

Publication Number Publication Date
ZA767294B true ZA767294B (en) 1977-11-30

Family

ID=5965738

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA767294A ZA767294B (en) 1975-12-27 1976-12-07 Means for reducing cavitation-induced erosion of centrifugal pumps

Country Status (16)

Country Link
US (1) US4239453A (nl)
JP (2) JPS5297401A (nl)
AT (2) AT346709B (nl)
BR (1) BR7608333A (nl)
CH (1) CH598492A5 (nl)
CS (1) CS191183B2 (nl)
DE (1) DE2558840C2 (nl)
ES (1) ES454519A1 (nl)
FR (1) FR2336578A1 (nl)
GB (1) GB1567938A (nl)
IN (1) IN145949B (nl)
IT (1) IT1064367B (nl)
NL (1) NL177038C (nl)
PL (1) PL114402B1 (nl)
SE (1) SE428962C (nl)
ZA (1) ZA767294B (nl)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5618099A (en) * 1979-07-24 1981-02-20 Ebara Corp Centrifugal pump
JPS60128998A (ja) * 1983-12-14 1985-07-10 Nippon Denso Co Ltd 遠心送風機
US4834611A (en) * 1984-06-25 1989-05-30 Rockwell International Corporation Vortex proof shrouded inducer
DE3524297A1 (de) * 1985-07-02 1987-01-15 Sulzer Ag Kreiselpumpe
ATE50029T1 (de) * 1985-09-18 1990-02-15 Charles Wilfred Brown Radialpumpe.
US4720242A (en) * 1987-03-23 1988-01-19 Lowara, S.P.A. Centrifugal pump impeller
US4815935A (en) * 1987-04-29 1989-03-28 General Motors Corporation Centrifugal compressor with aerodynamically variable geometry diffuser
EP1404975B1 (en) 2001-06-15 2009-08-26 Concepts ETI, Inc. Flow stabilizing device
US6921242B2 (en) * 2001-07-10 2005-07-26 Urs Blattmann Centrifugal slurry pump
DE10258922A1 (de) 2002-12-17 2004-07-01 Ksb Aktiengesellschaft Saugkanal
US7025557B2 (en) * 2004-01-14 2006-04-11 Concepts Eti, Inc. Secondary flow control system
US7192244B2 (en) * 2004-02-23 2007-03-20 Grande Iii Salvatore F Bladeless conical radial turbine and method
US7264443B2 (en) * 2005-01-21 2007-09-04 General Motors Corporation Centrifugal water pump
CN104314872B (zh) * 2008-06-06 2017-04-12 伟尔矿物澳大利亚私人有限公司 离心式泵的泵衬里、离心式泵和装配方法
CN101929465B (zh) * 2009-06-19 2013-12-11 德昌电机(深圳)有限公司 排水泵
DE102011118735A1 (de) * 2011-11-17 2013-05-23 Alstom Technology Ltd. Diffusor, insbesondere für eine axiale strömungsmaschine
DE102016210516A1 (de) * 2016-06-14 2017-12-14 Mahle International Gmbh Flüssigkeitspumpe
DE102016112709A1 (de) * 2016-07-12 2018-01-18 Miele & Cie. Kg Dichtungsvorrichtung für ein Gebläselaufrad und Gebläse

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE480863C (de) * 1924-10-08 1930-11-15 Hermann Foettinger Dr Ing Einrichtung zur Vermeidung von Kavitation bei Turbopumpen hoechster Drehzahl fuer tropfbare Fluessigkeiten
US2010525A (en) * 1934-02-26 1935-08-06 Ingersoll Rand Co Locking device for pump impellers
DE699743C (de) * 1937-04-06 1940-12-05 Fried Krupp Akt Ges Einrichtung zum Foerdern von Wasser bei Zwangsstromverdampfern
US2291138A (en) * 1939-01-05 1942-07-28 Bingham Pump Company Inc Centrifugal pump
US2393933A (en) * 1942-02-27 1946-01-29 Poole Ralph Enclosing casing of propellers or impellers
US2677327A (en) * 1949-02-24 1954-05-04 Mcdonald Mfg Co A Y Centrifugal pump construction
US2671406A (en) * 1950-06-14 1954-03-09 Laval Steam Turbine Co Centrifugal pump
DE1176485B (de) * 1958-01-31 1964-08-20 Eta Corp G M B H Kreiselradmaschine, insbesondere Kreiselrad-pumpe, mit im Meridianschnitt sich erweiterndem Stroemungsweg
US2984189A (en) * 1958-08-07 1961-05-16 Worthington Corp Inducer for a rotating pump
US3144202A (en) * 1960-11-19 1964-08-11 Helmbold Theodor Stabilizing devices for generating and guiding potential whirls
GB954392A (en) * 1961-10-25 1964-04-08 George Cobban Mitchell Improvements in or relating to centrifugal pumps
GB1076785A (en) * 1964-04-15 1967-07-19 Howden James & Co Ltd Improvements in or relating to centrifugal and mixed-flow fans, pumps and the like
NL6404199A (nl) * 1964-04-17 1965-10-18
US3384022A (en) * 1966-04-27 1968-05-21 Ebara Mfg Centrifugal pump
JPS5311616B2 (nl) * 1972-05-10 1978-04-22
US3976390A (en) * 1974-12-23 1976-08-24 Chicago Pneumatic Tool Company Means for controlling flow instability in centrifugal compressors
GB1523893A (en) * 1975-03-13 1978-09-06 Nikkiso Co Ltd Pump with axial flow inducer
US4029430A (en) * 1975-09-02 1977-06-14 Fonda Bonardi Giusto Short subsonic diffuser for large pressure ratios

Also Published As

Publication number Publication date
DE2558840B1 (de) 1977-06-02
PL114402B1 (en) 1981-01-31
GB1567938A (en) 1980-05-21
AT349321B (de) 1979-03-26
FR2336578B1 (nl) 1981-10-23
IT1064367B (it) 1985-02-18
CH598492A5 (nl) 1978-04-28
JPS5297401A (en) 1977-08-16
NL7613039A (nl) 1977-06-29
BR7608333A (pt) 1977-12-06
JPS58104400A (ja) 1983-06-21
AT346709B (de) 1978-11-27
ATA635977A (de) 1978-08-15
IN145949B (nl) 1979-01-20
CS191183B2 (en) 1979-06-29
SE428962B (sv) 1983-08-01
NL177038C (nl) 1985-07-16
ES454519A1 (es) 1977-12-01
ATA860676A (de) 1978-03-15
DE2558840C2 (de) 1983-03-24
SE428962C (sv) 1985-05-21
US4239453A (en) 1980-12-16
SE7614189L (sv) 1977-06-28
FR2336578A1 (fr) 1977-07-22

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