DE69106779D1 - Einstufige Kreiselpumpe mit einem peripherisch-axialen Diffusor. - Google Patents

Einstufige Kreiselpumpe mit einem peripherisch-axialen Diffusor.

Info

Publication number
DE69106779D1
DE69106779D1 DE69106779T DE69106779T DE69106779D1 DE 69106779 D1 DE69106779 D1 DE 69106779D1 DE 69106779 T DE69106779 T DE 69106779T DE 69106779 T DE69106779 T DE 69106779T DE 69106779 D1 DE69106779 D1 DE 69106779D1
Authority
DE
Germany
Prior art keywords
impeller
channels
peripheral
centrifugal pump
stage centrifugal
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
DE69106779T
Other languages
English (en)
Other versions
DE69106779T2 (de
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
Publication of DE69106779D1 publication Critical patent/DE69106779D1/de
Application granted granted Critical
Publication of DE69106779T2 publication Critical patent/DE69106779T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/02—Self-priming pumps
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/12—Devices or arrangements for circulating water, i.e. devices for removal of polluted water, cleaning baths or for water treatment
    • E04H4/1209—Treatment of water for swimming pools
    • E04H4/1245—Recirculating pumps for swimming pool water
    • 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
    • F04D9/004—Priming of not self-priming pumps
    • F04D9/005—Priming of not self-priming pumps by adducting or recycling liquid
    • 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)
  • Architecture (AREA)
  • Water Supply & Treatment (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE69106779T 1990-06-08 1991-06-04 Einstufige Kreiselpumpe mit einem peripherisch-axialen Diffusor. Expired - Fee Related DE69106779T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT08557990A IT1243113B (it) 1990-06-08 1990-06-08 Diffusore longitudinale periferico per pompa monogirante centrifuga autoadescante

Publications (2)

Publication Number Publication Date
DE69106779D1 true DE69106779D1 (de) 1995-03-02
DE69106779T2 DE69106779T2 (de) 1995-09-07

Family

ID=11328414

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69106779T Expired - Fee Related DE69106779T2 (de) 1990-06-08 1991-06-04 Einstufige Kreiselpumpe mit einem peripherisch-axialen Diffusor.

Country Status (7)

Country Link
US (1) US5226790A (de)
EP (1) EP0460597B1 (de)
AT (1) ATE117412T1 (de)
DE (1) DE69106779T2 (de)
ES (1) ES2071164T3 (de)
GR (1) GR3015785T3 (de)
IT (1) IT1243113B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1287367B1 (it) * 1996-11-27 1998-08-04 Calpeda A Spa Dispositivo diffusore e convogliatore per pompa monogirante centrifuga autoadescante.
DE19804907C1 (de) 1998-02-07 1999-07-15 Brinkmann Pumpen K H Brinkmann Kreiselpumpe mit entlüfteter Pumpenkammer
ITVI980028A1 (it) * 1998-02-13 1999-08-13 Calpeda A Spa Pompa autodescante ad eiettore con dispositivo di controllo del flusso
US9086075B2 (en) * 2011-07-07 2015-07-21 Pentair Water Pool And Spa, Inc. Impeller assembly and method
US9157448B2 (en) 2012-04-03 2015-10-13 General Electric Company Turbulence member, system and fluid handling device for protecting a seal assembly
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
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 (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2766698A (en) * 1950-07-18 1956-10-16 J C Carter Company Pump
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
US3307485A (en) * 1965-10-13 1967-03-07 Denver Equip Co Pump
US3826589A (en) * 1972-06-22 1974-07-30 Sta Rite Industries Plastic pump construction
CH603943A5 (de) * 1973-04-26 1978-08-31 Speck Daniel Speck Pumpen & So
US4453886A (en) * 1979-02-12 1984-06-12 Wilson Elwin R Centrifugal venturi
DE3718273C2 (de) * 1986-09-01 1994-12-15 Apollowerk Goesnitz Gmbh Selbstansaugende horizontale Radialkreiselpumpe
IT1225597B (it) 1988-09-26 1990-11-22 Calpeda A Spa Pompa autoadescante ad eiettore con corona direttrice assiale.
IT1234504B (it) * 1989-08-18 1992-05-18 Tiziano Carretta Cassa statorica in lamiera metallica, particolarmente per pompe radiali centrifughe

Also Published As

Publication number Publication date
IT9085579A1 (it) 1991-12-08
EP0460597A2 (de) 1991-12-11
IT1243113B (it) 1994-05-24
IT9085579A0 (de) 1990-06-08
EP0460597B1 (de) 1995-01-18
US5226790A (en) 1993-07-13
GR3015785T3 (en) 1995-07-31
EP0460597A3 (en) 1992-03-04
DE69106779T2 (de) 1995-09-07
ES2071164T3 (es) 1995-06-16
ATE117412T1 (de) 1995-02-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee