WO2011089512A3 - Centrifugal pump - Google Patents

Centrifugal pump Download PDF

Info

Publication number
WO2011089512A3
WO2011089512A3 PCT/IB2011/000088 IB2011000088W WO2011089512A3 WO 2011089512 A3 WO2011089512 A3 WO 2011089512A3 IB 2011000088 W IB2011000088 W IB 2011000088W WO 2011089512 A3 WO2011089512 A3 WO 2011089512A3
Authority
WO
WIPO (PCT)
Prior art keywords
outside diameter
central hub
plate
centrifugal pump
supporting shaft
Prior art date
Application number
PCT/IB2011/000088
Other languages
French (fr)
Other versions
WO2011089512A8 (en
WO2011089512A2 (en
Inventor
Matteo Cipelli
Paolo Costa
Egidio Salin
Amedeo Valente
Original Assignee
Itt Manufacturing Enterprises, Inc.
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 Itt Manufacturing Enterprises, Inc. filed Critical Itt Manufacturing Enterprises, Inc.
Publication of WO2011089512A2 publication Critical patent/WO2011089512A2/en
Publication of WO2011089512A3 publication Critical patent/WO2011089512A3/en
Publication of WO2011089512A8 publication Critical patent/WO2011089512A8/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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2205—Conventional flow pattern
    • F04D29/2216—Shape, geometry
    • 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
    • F04D29/2261—Rotors specially for centrifugal pumps with special measures

Abstract

A centrifugal pump (1) having a pumping assembly (2) provided internally with a rotary supporting shaft (4) and with at least one centrifugal impeller (3) fitted to the supporting shaft (4); the centrifugal impeller (3) having a central hub (16), front (18) and rear plates (17) rigidly to the central hub (16) coaxial with the longitudinal axis (B) of the hub, and a number of angularly spaced radial blades (19) which extend from one plate (17, 18) to the other, and project from the periphery of the gap towards the central hub (16) along a predetermined trajectory; the outside diameter (d1) of the front plate (18) being greater than the outside diameter (d2) of the rear plate (17), and the diameter (d3) of the cylindrical surface enclosing the radial blades (19) being less than or equal to the outside diameter (d1) of the front plate (18).
PCT/IB2011/000088 2010-01-22 2011-01-21 Centrifugal pump WO2011089512A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO2010A000041 2010-01-22
IT000041A ITTO20100041A1 (en) 2010-01-22 2010-01-22 CENTRIFUGAL PUMP

Publications (3)

Publication Number Publication Date
WO2011089512A2 WO2011089512A2 (en) 2011-07-28
WO2011089512A3 true WO2011089512A3 (en) 2011-12-01
WO2011089512A8 WO2011089512A8 (en) 2012-02-16

Family

ID=42670319

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2011/000088 WO2011089512A2 (en) 2010-01-22 2011-01-21 Centrifugal pump

Country Status (2)

Country Link
IT (1) ITTO20100041A1 (en)
WO (1) WO2011089512A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2503156A1 (en) * 2011-03-20 2012-09-26 Hydro-Vacuum S.A. Impeller for centrifugal pump
CN113883063B (en) * 2021-08-30 2024-02-13 安徽凯特泵业有限公司 Centrifugal pump with damping base

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3612716A (en) * 1970-06-15 1971-10-12 Red Jacket Mfg Co Multistage centrifugal pump
US4886417A (en) * 1988-12-06 1989-12-12 Sundstrand Corporation Fuel pump and radial-flow impeller therefor
US6481961B1 (en) * 2001-07-02 2002-11-19 Sea Chung Electric Co., Ltd. Stage for a centrifugal submersible pump
US20050074330A1 (en) * 2003-10-01 2005-04-07 Watson Arthur I. Stage pump having composite components

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3612716A (en) * 1970-06-15 1971-10-12 Red Jacket Mfg Co Multistage centrifugal pump
US4886417A (en) * 1988-12-06 1989-12-12 Sundstrand Corporation Fuel pump and radial-flow impeller therefor
US6481961B1 (en) * 2001-07-02 2002-11-19 Sea Chung Electric Co., Ltd. Stage for a centrifugal submersible pump
US20050074330A1 (en) * 2003-10-01 2005-04-07 Watson Arthur I. Stage pump having composite components

Also Published As

Publication number Publication date
WO2011089512A8 (en) 2012-02-16
ITTO20100041A1 (en) 2011-07-23
WO2011089512A2 (en) 2011-07-28

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