DE69705296D1 - Diffusor und fördervorrichtung für selbstansaugende einschaufel-kreiselpumpe - Google Patents

Diffusor und fördervorrichtung für selbstansaugende einschaufel-kreiselpumpe

Info

Publication number
DE69705296D1
DE69705296D1 DE69705296T DE69705296T DE69705296D1 DE 69705296 D1 DE69705296 D1 DE 69705296D1 DE 69705296 T DE69705296 T DE 69705296T DE 69705296 T DE69705296 T DE 69705296T DE 69705296 D1 DE69705296 D1 DE 69705296D1
Authority
DE
Germany
Prior art keywords
diffuser
conveyor device
self
pump
centrifugal pump
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 - Lifetime
Application number
DE69705296T
Other languages
English (en)
Inventor
Carlo Serafin
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.)
Calpeda SpA
Original Assignee
Calpeda 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 Calpeda SpA filed Critical Calpeda SpA
Application granted granted Critical
Publication of DE69705296D1 publication Critical patent/DE69705296D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04D29/40—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
    • F04D29/448—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps bladed diffusers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
    • F04D9/06—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock of jet type
DE69705296T 1996-11-27 1997-11-26 Diffusor und fördervorrichtung für selbstansaugende einschaufel-kreiselpumpe Expired - Lifetime DE69705296D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT96VI000192A IT1287367B1 (it) 1996-11-27 1996-11-27 Dispositivo diffusore e convogliatore per pompa monogirante centrifuga autoadescante.
PCT/EP1997/006591 WO1998023864A1 (en) 1996-11-27 1997-11-26 Diffuser and conveyor device for a single-impeller centrigugal self-priming pump

Publications (1)

Publication Number Publication Date
DE69705296D1 true DE69705296D1 (de) 2001-07-26

Family

ID=11426191

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69705296T Expired - Lifetime DE69705296D1 (de) 1996-11-27 1997-11-26 Diffusor und fördervorrichtung für selbstansaugende einschaufel-kreiselpumpe

Country Status (9)

Country Link
EP (1) EP0879360B1 (de)
CN (1) CN1082630C (de)
AT (1) ATE202407T1 (de)
AU (1) AU5655398A (de)
BR (1) BR9707307A (de)
DE (1) DE69705296D1 (de)
ES (1) ES2160375T3 (de)
IT (1) IT1287367B1 (de)
WO (1) WO1998023864A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7780406B2 (en) * 2004-01-20 2010-08-24 Pentair Water Pool And Spa, Inc. Molded pump
CN102536837A (zh) * 2011-11-08 2012-07-04 江苏大学 一种自吸离心泵
CN103148017B (zh) * 2013-04-02 2016-05-04 陈坚 自吸喷射泵导流罩的防空气倒流的挡板
CN104763643B (zh) * 2015-02-13 2017-04-26 四川东工电机有限公司 一种深井双管高吸喷射离心泵
CN104763641B (zh) * 2015-03-30 2017-08-25 强胜精密机械(苏州)有限公司 一种旋流自吸泵
CN105937507A (zh) * 2016-06-02 2016-09-14 江苏大学 一种改善射流式离心泵自吸性能的导叶
CN111268438B (zh) * 2020-02-28 2022-02-22 江苏大学 一种过流无损多相混输泵
EP4118338A1 (de) * 2020-04-03 2023-01-18 Zodiac Pool Systems LLC Schwimmbecken- und spapumpen zur verbesserung der priming-leistung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941474A (en) 1956-08-20 1960-06-21 Fairbanks Morse & Co Self-priming pumping apparatus
US2934021A (en) 1956-10-09 1960-04-26 F E Meyers & Bro Co Shallow well self-priming jet pump
AT288166B (de) 1967-07-07 1971-02-25 Mueanyagipari Ki Ein- oder mehrstufige selbstansaugende Kreiselpumpe
ES2006285A6 (es) 1987-12-28 1989-04-16 Bombas Elec Tricas S A Boelsa Bomba centrifuga.
IT1225597B (it) * 1988-09-26 1990-11-22 Calpeda A Spa Pompa autoadescante ad eiettore con corona direttrice assiale.
IT1234116B (it) 1989-06-07 1992-04-29 Novax S R L Pompa centrifuga autoadescante.
IT1234126B (it) 1989-07-05 1992-04-29 Nowax Srl Cassa statorica, particolarmente per pompa radiale centrifuga, nonche' metodo per la sua realizzazione
IT1243113B (it) 1990-06-08 1994-05-24 Calpeda A Spa Diffusore longitudinale periferico per pompa monogirante centrifuga autoadescante
CN2193942Y (zh) * 1994-06-25 1995-04-05 哈尔滨工业大学 一种节段式自吸离心泵

Also Published As

Publication number Publication date
CN1214107A (zh) 1999-04-14
ATE202407T1 (de) 2001-07-15
WO1998023864A1 (en) 1998-06-04
EP0879360B1 (de) 2001-06-20
EP0879360A1 (de) 1998-11-25
CN1082630C (zh) 2002-04-10
ES2160375T3 (es) 2001-11-01
ITVI960192A1 (it) 1997-02-27
AU5655398A (en) 1998-06-22
BR9707307A (pt) 1999-07-20
IT1287367B1 (it) 1998-08-04

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Legal Events

Date Code Title Description
8332 No legal effect for de