BR9707307A - Dispositivo difusor e condutor - Google Patents

Dispositivo difusor e condutor

Info

Publication number
BR9707307A
BR9707307A BR9707307A BR9707307A BR9707307A BR 9707307 A BR9707307 A BR 9707307A BR 9707307 A BR9707307 A BR 9707307A BR 9707307 A BR9707307 A BR 9707307A BR 9707307 A BR9707307 A BR 9707307A
Authority
BR
Brazil
Prior art keywords
diffuser
pump
flow
conveyor device
frontal
Prior art date
Application number
BR9707307A
Other languages
English (en)
Portuguese (pt)
Inventor
Carlo Serafin
Original Assignee
Calpeda A 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 A Spa filed Critical Calpeda A Spa
Publication of BR9707307A publication Critical patent/BR9707307A/pt

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

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)
BR9707307A 1996-11-27 1997-11-26 Dispositivo difusor e condutor BR9707307A (pt)

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
BR9707307A true BR9707307A (pt) 1999-07-20

Family

ID=11426191

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9707307A BR9707307A (pt) 1996-11-27 1997-11-26 Dispositivo difusor e condutor

Country Status (9)

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

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
US11698073B2 (en) 2020-04-03 2023-07-11 Zodiac Pool Systems Llc Swimming pool and spa pumps configured to improve priming performance

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
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.
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
CN1082630C (zh) 2002-04-10
ES2160375T3 (es) 2001-11-01
IT1287367B1 (it) 1998-08-04
CN1214107A (zh) 1999-04-14
WO1998023864A1 (en) 1998-06-04
EP0879360B1 (en) 2001-06-20
ITVI960192A1 (it) 1997-02-27
DE69705296D1 (de) 2001-07-26
AU5655398A (en) 1998-06-22
ATE202407T1 (de) 2001-07-15
EP0879360A1 (en) 1998-11-25

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law