CN1082630C - 用于单转子离心自吸泵的扩压及输送装置 - Google Patents

用于单转子离心自吸泵的扩压及输送装置 Download PDF

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Publication number
CN1082630C
CN1082630C CN97193111A CN97193111A CN1082630C CN 1082630 C CN1082630 C CN 1082630C CN 97193111 A CN97193111 A CN 97193111A CN 97193111 A CN97193111 A CN 97193111A CN 1082630 C CN1082630 C CN 1082630C
Authority
CN
China
Prior art keywords
diffusion
feedway
diffuser
transfer passage
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 - Fee Related
Application number
CN97193111A
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English (en)
Chinese (zh)
Other versions
CN1214107A (zh
Inventor
C·瑟拉芬
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
Publication of CN1214107A publication Critical patent/CN1214107A/zh
Application granted granted Critical
Publication of CN1082630C publication Critical patent/CN1082630C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Details Of Reciprocating Pumps (AREA)
CN97193111A 1996-11-27 1997-11-26 用于单转子离心自吸泵的扩压及输送装置 Expired - Fee Related CN1082630C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITVI96A000192 1996-11-27
IT96VI000192A IT1287367B1 (it) 1996-11-27 1996-11-27 Dispositivo diffusore e convogliatore per pompa monogirante centrifuga autoadescante.

Publications (2)

Publication Number Publication Date
CN1214107A CN1214107A (zh) 1999-04-14
CN1082630C true CN1082630C (zh) 2002-04-10

Family

ID=11426191

Family Applications (1)

Application Number Title Priority Date Filing Date
CN97193111A Expired - Fee Related CN1082630C (zh) 1996-11-27 1997-11-26 用于单转子离心自吸泵的扩压及输送装置

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103148017A (zh) * 2013-04-02 2013-06-12 陈坚 自吸喷射泵导流罩的防空气倒流的挡板

Families Citing this family (7)

* 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
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
WO2021202090A1 (en) * 2020-04-03 2021-10-07 Zodiac Pool Systems Llc Swimming pool and spa pumps configured to improve priming performance

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0361328A1 (de) * 1988-09-26 1990-04-04 CALPEDA S.p.A. Selbstansaugende Strahlpumpe mit axialem Diffusor
EP0460597A2 (de) * 1990-06-08 1991-12-11 CALPEDA S.p.A. Einstufige Kreiselpumpe mit einem peripherisch-axialen Diffusor
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

Family Cites Families (6)

* 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
CH484369A (de) 1967-07-07 1970-01-15 Muanyagipari Ki Ein- oder mehrstufige selbstansaugende Pumpe
ES2006285A6 (es) 1987-12-28 1989-04-16 Bombas Elec Tricas S A Boelsa Bomba centrifuga.
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0361328A1 (de) * 1988-09-26 1990-04-04 CALPEDA S.p.A. Selbstansaugende Strahlpumpe mit axialem Diffusor
EP0460597A2 (de) * 1990-06-08 1991-12-11 CALPEDA S.p.A. Einstufige Kreiselpumpe mit einem peripherisch-axialen Diffusor
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103148017A (zh) * 2013-04-02 2013-06-12 陈坚 自吸喷射泵导流罩的防空气倒流的挡板
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

Also Published As

Publication number Publication date
AU5655398A (en) 1998-06-22
DE69705296D1 (de) 2001-07-26
EP0879360B1 (de) 2001-06-20
ES2160375T3 (es) 2001-11-01
CN1214107A (zh) 1999-04-14
IT1287367B1 (it) 1998-08-04
WO1998023864A1 (en) 1998-06-04
BR9707307A (pt) 1999-07-20
ITVI960192A1 (it) 1997-02-27
ATE202407T1 (de) 2001-07-15
EP0879360A1 (de) 1998-11-25

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20020410

Termination date: 20101126