DE60312794D1 - Zweistufige Pumpe mit hohem Gefälle und niedriger Kapazität - Google Patents

Zweistufige Pumpe mit hohem Gefälle und niedriger Kapazität

Info

Publication number
DE60312794D1
DE60312794D1 DE60312794T DE60312794T DE60312794D1 DE 60312794 D1 DE60312794 D1 DE 60312794D1 DE 60312794 T DE60312794 T DE 60312794T DE 60312794 T DE60312794 T DE 60312794T DE 60312794 D1 DE60312794 D1 DE 60312794D1
Authority
DE
Germany
Prior art keywords
low capacity
stage pump
high gradient
interstage
pump body
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
DE60312794T
Other languages
English (en)
Other versions
DE60312794T2 (de
Inventor
Carlo Conti
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.)
Finder Pompe SRL
Original Assignee
Finder Pompe SRL
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 Finder Pompe SRL filed Critical Finder Pompe SRL
Publication of DE60312794D1 publication Critical patent/DE60312794D1/de
Application granted granted Critical
Publication of DE60312794T2 publication Critical patent/DE60312794T2/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
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps 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
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06—Multi-stage pumps
    • F04D1/063—Multi-stage pumps of the vertically split casing type
    • 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
    • F04D29/2205—Conventional flow pattern
    • F04D29/2211—More than one set of flow passages

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Non-Positive Displacement Air Blowers (AREA)
DE60312794T 2002-10-28 2003-10-15 Zweistufige Pumpe mit hohem Gefälle und niedriger Kapazität Expired - Lifetime DE60312794T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT002288A ITMI20022288A1 (it) 2002-10-28 2002-10-28 Pompa a doppio stadio di elevata prevalenza e bassa portata
ITMI20022288 2002-10-28

Publications (2)

Publication Number Publication Date
DE60312794D1 true DE60312794D1 (de) 2007-05-10
DE60312794T2 DE60312794T2 (de) 2007-07-12

Family

ID=32089011

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60312794T Expired - Lifetime DE60312794T2 (de) 2002-10-28 2003-10-15 Zweistufige Pumpe mit hohem Gefälle und niedriger Kapazität

Country Status (6)

Country Link
US (1) US6893219B2 (de)
EP (1) EP1416162B1 (de)
AT (1) ATE358236T1 (de)
DE (1) DE60312794T2 (de)
ES (1) ES2280688T3 (de)
IT (1) ITMI20022288A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7946810B2 (en) * 2006-10-10 2011-05-24 Grundfos Pumps Corporation Multistage pump assembly
US8192155B2 (en) * 2007-04-24 2012-06-05 Flowserve Management Company Multistage slurry pump
WO2017046743A1 (en) * 2015-09-16 2017-03-23 Slovenská Technická Univerzita V Bratislave Two-stage hydrodynamic pump

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR517433A (fr) * 1920-06-18 1921-05-06 Beaudrey & Bergeron Perfectionnements aux pompes centrifuges multicellulaires
DE735957C (de) * 1940-03-19 1943-06-02 Aeg Zweistufige Kreiselpumpe, insbesondere Kondensatpumpe
US2368962A (en) * 1941-06-13 1945-02-06 Byron Jackson Co Centrifugal pump
US2874786A (en) * 1951-03-12 1959-02-24 Fmc Corp Drive and brake mechanism
US3825366A (en) * 1972-07-31 1974-07-23 Dresser Ind Assembly for centrifugal blowers and the like
US3934752A (en) * 1974-01-17 1976-01-27 Carrier Corporation End wall closure apparatus
GB1486083A (en) * 1975-09-11 1977-09-14 Kalnin I Multiple-stage centrifugal compressor or pump
US5320489A (en) * 1993-06-01 1994-06-14 Ingersoll-Dresser Pump Company Diffuser for a centrifugal pump

Also Published As

Publication number Publication date
EP1416162B1 (de) 2007-03-28
US20040086393A1 (en) 2004-05-06
ATE358236T1 (de) 2007-04-15
ES2280688T3 (es) 2007-09-16
DE60312794T2 (de) 2007-07-12
EP1416162A2 (de) 2004-05-06
US6893219B2 (en) 2005-05-17
EP1416162A3 (de) 2005-09-28
ITMI20022288A1 (it) 2004-04-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition