ITUB20160913A1 - CENTRIFUGAL PUMP STAGE - Google Patents

CENTRIFUGAL PUMP STAGE

Info

Publication number
ITUB20160913A1
ITUB20160913A1 ITUB2016A000913A ITUB20160913A ITUB20160913A1 IT UB20160913 A1 ITUB20160913 A1 IT UB20160913A1 IT UB2016A000913 A ITUB2016A000913 A IT UB2016A000913A IT UB20160913 A ITUB20160913 A IT UB20160913A IT UB20160913 A1 ITUB20160913 A1 IT UB20160913A1
Authority
IT
Italy
Prior art keywords
centrifugal pump
pump stage
stage
centrifugal
pump
Prior art date
Application number
ITUB2016A000913A
Other languages
Italian (it)
Inventor
Silvano Pedrollo
Original Assignee
Pedrollo 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 Pedrollo Spa filed Critical Pedrollo Spa
Priority to ITUB2016A000913A priority Critical patent/ITUB20160913A1/en
Priority to EP17157493.2A priority patent/EP3208462B1/en
Publication of ITUB20160913A1 publication Critical patent/ITUB20160913A1/en

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
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/06—Multi-stage 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
    • F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel
    • 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
    • F04D29/2261—Rotors specially for centrifugal pumps with special measures
    • F04D29/2266—Rotors specially for centrifugal pumps with special measures for sealing or thrust balance
    • 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
    • F04D29/20—Mounting rotors on shafts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
ITUB2016A000913A 2016-02-22 2016-02-22 CENTRIFUGAL PUMP STAGE ITUB20160913A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITUB2016A000913A ITUB20160913A1 (en) 2016-02-22 2016-02-22 CENTRIFUGAL PUMP STAGE
EP17157493.2A EP3208462B1 (en) 2016-02-22 2017-02-22 Centrifugal pump stage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB2016A000913A ITUB20160913A1 (en) 2016-02-22 2016-02-22 CENTRIFUGAL PUMP STAGE

Publications (1)

Publication Number Publication Date
ITUB20160913A1 true ITUB20160913A1 (en) 2017-08-22

Family

ID=55969395

Family Applications (1)

Application Number Title Priority Date Filing Date
ITUB2016A000913A ITUB20160913A1 (en) 2016-02-22 2016-02-22 CENTRIFUGAL PUMP STAGE

Country Status (2)

Country Link
EP (1) EP3208462B1 (en)
IT (1) ITUB20160913A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11428230B2 (en) * 2019-10-02 2022-08-30 Halliburton Energy Services, Inc. Centrifugal pump flanged sleeve inside surface flow prevention

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3939156A1 (en) * 1989-11-27 1991-05-29 Grundfos Int Composite impeller for centrifugal pump - has front disc of bronze or other material at inlet which works easily against steel
DE29722288U1 (en) * 1997-12-17 1998-01-29 Grundfos As Multi-stage submersible pump
DE19800617A1 (en) * 1998-01-12 1999-07-15 Klein Schanzlin & Becker Ag Centrifugal pump
US6398493B1 (en) * 2000-02-02 2002-06-04 Industrial Technology Research Institute Floatable impeller for multistage metal working pump
WO2015008224A1 (en) * 2013-07-16 2015-01-22 Pedrollo S.P.A. Centrifugal pump stage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2526751A (en) 1949-05-27 1950-10-24 Ingersoll Rand Co Mounting device for pump impellers
US3265001A (en) 1964-04-24 1966-08-09 Red Jacket Mfg Company Centrifugal pump
US7290984B2 (en) 2005-05-26 2007-11-06 Franklin Electric Co., Ltd. Multistage pump

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3939156A1 (en) * 1989-11-27 1991-05-29 Grundfos Int Composite impeller for centrifugal pump - has front disc of bronze or other material at inlet which works easily against steel
DE29722288U1 (en) * 1997-12-17 1998-01-29 Grundfos As Multi-stage submersible pump
DE19800617A1 (en) * 1998-01-12 1999-07-15 Klein Schanzlin & Becker Ag Centrifugal pump
US6398493B1 (en) * 2000-02-02 2002-06-04 Industrial Technology Research Institute Floatable impeller for multistage metal working pump
WO2015008224A1 (en) * 2013-07-16 2015-01-22 Pedrollo S.P.A. Centrifugal pump stage

Also Published As

Publication number Publication date
EP3208462A1 (en) 2017-08-23
EP3208462B1 (en) 2020-04-15

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