NL177038C - Centrifugaalpomp, voorzien van middelen voor het verminderen van slijtage door cavitatie. - Google Patents
Centrifugaalpomp, voorzien van middelen voor het verminderen van slijtage door cavitatie.Info
- Publication number
- NL177038C NL177038C NLAANVRAGE7613039,A NL7613039A NL177038C NL 177038 C NL177038 C NL 177038C NL 7613039 A NL7613039 A NL 7613039A NL 177038 C NL177038 C NL 177038C
- Authority
- NL
- Netherlands
- Prior art keywords
- cavitation
- centrifugal pump
- reducing wear
- wear
- reducing
- Prior art date
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)
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 (2)
Publication Number | Publication Date |
---|---|
NL7613039A NL7613039A (nl) | 1977-06-29 |
NL177038C true NL177038C (nl) | 1985-07-16 |
Family
ID=5965738
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7613039,A NL177038C (nl) | 1975-12-27 | 1976-11-23 | Centrifugaalpomp, voorzien van middelen voor het verminderen van slijtage door cavitatie. |
Country Status (16)
Country | Link |
---|---|
US (1) | US4239453A (pt) |
JP (2) | JPS5297401A (pt) |
AT (2) | AT346709B (pt) |
BR (1) | BR7608333A (pt) |
CH (1) | CH598492A5 (pt) |
CS (1) | CS191183B2 (pt) |
DE (1) | DE2558840C2 (pt) |
ES (1) | ES454519A1 (pt) |
FR (1) | FR2336578A1 (pt) |
GB (1) | GB1567938A (pt) |
IN (1) | IN145949B (pt) |
IT (1) | IT1064367B (pt) |
NL (1) | NL177038C (pt) |
PL (1) | PL114402B1 (pt) |
SE (1) | SE428962C (pt) |
ZA (1) | ZA767294B (pt) |
Families Citing this family (18)
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 |
ATE441032T1 (de) | 2001-06-15 | 2009-09-15 | Concepts Eti Inc | Strímungsstabilisationsvorrichtung |
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 |
CL2009001371A1 (es) * | 2008-06-06 | 2010-12-10 | Weir Minerals Australia Ltd | Cubierta para bomba centrifuga que comprende una camara de bombeo provista de una abertura de entrada, una salida de descarga, una superficie de transicion que dispone de un espolon que comprende una saliente extendida en forma irregular; un revestimiento de bomba; una bomba centrifuga. |
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)
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 (pt) * | 1964-04-17 | 1965-10-18 | ||
US3384022A (en) * | 1966-04-27 | 1968-05-21 | Ebara Mfg | Centrifugal pump |
JPS5311616B2 (pt) * | 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 |
-
1975
- 1975-12-27 DE DE2558840A patent/DE2558840C2/de not_active Expired
-
1976
- 1976-11-05 CH CH1400076A patent/CH598492A5/xx not_active IP Right Cessation
- 1976-11-11 IT IT29249/76A patent/IT1064367B/it active
- 1976-11-19 AT AT860676A patent/AT346709B/de not_active IP Right Cessation
- 1976-11-19 CS CS767486A patent/CS191183B2/cs unknown
- 1976-11-20 PL PL1976193812A patent/PL114402B1/pl unknown
- 1976-11-23 NL NLAANVRAGE7613039,A patent/NL177038C/xx not_active IP Right Cessation
- 1976-12-03 IN IN2152/CAL/76A patent/IN145949B/en unknown
- 1976-12-07 ZA ZA767294A patent/ZA767294B/xx unknown
- 1976-12-10 BR BR7608333A patent/BR7608333A/pt unknown
- 1976-12-14 GB GB52213/76A patent/GB1567938A/en not_active Expired
- 1976-12-17 SE SE7614189A patent/SE428962C/xx not_active IP Right Cessation
- 1976-12-22 JP JP15481776A patent/JPS5297401A/ja active Pending
- 1976-12-23 ES ES454519A patent/ES454519A1/es not_active Expired
- 1976-12-23 FR FR7638876A patent/FR2336578A1/fr active Granted
-
1977
- 1977-09-05 AT AT635977A patent/AT349321B/de not_active IP Right Cessation
-
1979
- 1979-02-21 US US06/013,624 patent/US4239453A/en not_active Expired - Lifetime
-
1982
- 1982-07-09 JP JP57119680A patent/JPS58104400A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
ATA860676A (de) | 1978-03-15 |
BR7608333A (pt) | 1977-12-06 |
DE2558840C2 (de) | 1983-03-24 |
AT346709B (de) | 1978-11-27 |
PL114402B1 (en) | 1981-01-31 |
ATA635977A (de) | 1978-08-15 |
SE7614189L (sv) | 1977-06-28 |
CS191183B2 (en) | 1979-06-29 |
CH598492A5 (pt) | 1978-04-28 |
SE428962B (sv) | 1983-08-01 |
FR2336578B1 (pt) | 1981-10-23 |
IT1064367B (it) | 1985-02-18 |
AT349321B (de) | 1979-03-26 |
NL7613039A (nl) | 1977-06-29 |
JPS58104400A (ja) | 1983-06-21 |
GB1567938A (en) | 1980-05-21 |
US4239453A (en) | 1980-12-16 |
IN145949B (pt) | 1979-01-20 |
JPS5297401A (en) | 1977-08-16 |
ZA767294B (en) | 1977-11-30 |
ES454519A1 (es) | 1977-12-01 |
DE2558840B1 (de) | 1977-06-02 |
SE428962C (sv) | 1985-09-23 |
FR2336578A1 (fr) | 1977-07-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V1 | Lapsed because of non-payment of the annual fee |