EP3177834A4 - Laufrad mit axial gebogenen schaufelverlängerungen zur verhinderung von lufteinschlüssen - Google Patents

Laufrad mit axial gebogenen schaufelverlängerungen zur verhinderung von lufteinschlüssen Download PDF

Info

Publication number
EP3177834A4
EP3177834A4 EP15829258.1A EP15829258A EP3177834A4 EP 3177834 A4 EP3177834 A4 EP 3177834A4 EP 15829258 A EP15829258 A EP 15829258A EP 3177834 A4 EP3177834 A4 EP 3177834A4
Authority
EP
European Patent Office
Prior art keywords
impeller
vane extensions
axially curving
curving vane
prevent airlock
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.)
Withdrawn
Application number
EP15829258.1A
Other languages
English (en)
French (fr)
Other versions
EP3177834A2 (de
Inventor
Jeffrey D. Lopes
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.)
Flow Control LLC
Original Assignee
Flow Control LLC
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 Flow Control LLC filed Critical Flow Control LLC
Publication of EP3177834A2 publication Critical patent/EP3177834A2/de
Publication of EP3177834A4 publication Critical patent/EP3177834A4/de
Withdrawn legal-status Critical Current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
    • F04D9/001—Preventing vapour lock
    • F04D9/002—Preventing vapour lock by means in the very pump
    • 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
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/14—Pumps raising fluids by centrifugal force within a conical rotary bowl with vertical axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • 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
    • F04D29/2277—Rotors specially for centrifugal pumps with special measures for increasing NPSH or dealing with liquids near boiling-point
    • 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
    • F04D29/24—Vanes
    • F04D29/242—Geometry, shape
    • F04D29/245—Geometry, shape for special effects
    • 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
    • F04D29/4293—Details of fluid inlet or outlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
EP15829258.1A 2014-08-06 2015-08-06 Laufrad mit axial gebogenen schaufelverlängerungen zur verhinderung von lufteinschlüssen Withdrawn EP3177834A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201462033814P 2014-08-06 2014-08-06
PCT/US2015/043982 WO2016022781A2 (en) 2014-08-06 2015-08-06 Impeller with axially curving vane extensions to prevent airlock

Publications (2)

Publication Number Publication Date
EP3177834A2 EP3177834A2 (de) 2017-06-14
EP3177834A4 true EP3177834A4 (de) 2018-04-11

Family

ID=55264763

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15829258.1A Withdrawn EP3177834A4 (de) 2014-08-06 2015-08-06 Laufrad mit axial gebogenen schaufelverlängerungen zur verhinderung von lufteinschlüssen

Country Status (8)

Country Link
US (1) US20160186758A1 (de)
EP (1) EP3177834A4 (de)
CN (1) CN106715915B (de)
AU (2) AU2015300990A1 (de)
CA (1) CA2957279C (de)
MX (1) MX2017001588A (de)
SA (1) SA517380848B1 (de)
WO (1) WO2016022781A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10087946B2 (en) * 2016-02-09 2018-10-02 Brunswick Corporation Centrifugal pumps having anti-air-locking features
KR101757440B1 (ko) * 2017-01-24 2017-07-12 이제이콥부희 캐비테이션 펌프 유닛

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4275988A (en) * 1978-12-18 1981-06-30 Kalashnikov L F Axial or worm-type centrifugal impeller pump
DE4325549A1 (de) * 1993-07-29 1995-02-02 Brinkmann Pumpen K H Brinkmann Kreiselpumpe
US5615997A (en) * 1995-09-07 1997-04-01 Kvaerner Pulping Technologies Aktiebolag Pump for pumping fibrous pulp suspension
US20040175265A1 (en) * 2003-03-05 2004-09-09 K.H. Brinkmann Gmbh & Co. Kg Rotary pump with vented pump chamber
WO2008116239A1 (de) * 2007-03-27 2008-10-02 Andritz Ag Verfahren und vorrichtung zum pumpen von gashaltigen suspensionen

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2850984A (en) * 1956-02-13 1958-09-09 Edwards Vapor expelling pump
US3417929A (en) * 1966-02-08 1968-12-24 Secrest Mfg Company Comminuting pumps
SE467466B (sv) * 1989-03-29 1992-07-20 Kamyr Ab Apparat foer fluidisering, gasavskiljning och pumpning av en suspension av fiberhaltigt cellulosamaterial, samt dess anvaendning
US5312224A (en) * 1993-03-12 1994-05-17 International Business Machines Corporation Conical logarithmic spiral viscosity pump
FI111023B (fi) * 1998-12-30 2003-05-15 Sulzer Pumpen Ag Menetelmä ja laite materiaalin pumppaamiseksi sekä laitteen yhteydessä käytettävä roottori
CN2700607Y (zh) * 2004-05-24 2005-05-18 株洲鑫龙石化设备有限公司 液压潜油泵
ATE385290T1 (de) * 2005-12-21 2008-02-15 Grundfos Management As Laufrad für ein pumpenaggregat und zugehöriges pumpenaggregat
JP4894438B2 (ja) * 2006-09-28 2012-03-14 日本電産株式会社 遠心ポンプ
EP2153071B1 (de) * 2007-05-21 2017-04-05 Weir Minerals Australia Ltd Kreiselpumpenlaufrad mit strömungsführenden, an den laufradeinlass angrenzenden und an der decksscheibe angebrachten schaufeln
AT510538B1 (de) * 2010-09-27 2013-02-15 Andritz Ag Maschf Zentrifugalpumpe
US9303647B2 (en) * 2011-08-15 2016-04-05 Dale A. Conway Centrifugal pump anti-air locking system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4275988A (en) * 1978-12-18 1981-06-30 Kalashnikov L F Axial or worm-type centrifugal impeller pump
DE4325549A1 (de) * 1993-07-29 1995-02-02 Brinkmann Pumpen K H Brinkmann Kreiselpumpe
US5615997A (en) * 1995-09-07 1997-04-01 Kvaerner Pulping Technologies Aktiebolag Pump for pumping fibrous pulp suspension
US20040175265A1 (en) * 2003-03-05 2004-09-09 K.H. Brinkmann Gmbh & Co. Kg Rotary pump with vented pump chamber
WO2008116239A1 (de) * 2007-03-27 2008-10-02 Andritz Ag Verfahren und vorrichtung zum pumpen von gashaltigen suspensionen

Also Published As

Publication number Publication date
EP3177834A2 (de) 2017-06-14
CN106715915B (zh) 2020-01-17
MX2017001588A (es) 2017-09-01
SA517380848B1 (ar) 2022-02-28
CA2957279C (en) 2020-08-04
CA2957279A1 (en) 2016-02-11
CN106715915A (zh) 2017-05-24
AU2015300990A1 (en) 2017-02-23
AU2019203725B2 (en) 2020-09-10
WO2016022781A3 (en) 2016-05-19
AU2019203725A1 (en) 2019-06-20
US20160186758A1 (en) 2016-06-30
WO2016022781A2 (en) 2016-02-11

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