EP2143957B2 - Composant d'écoulement d'une pompe - Google Patents

Composant d'écoulement d'une pompe Download PDF

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Publication number
EP2143957B2
EP2143957B2 EP08012463.9A EP08012463A EP2143957B2 EP 2143957 B2 EP2143957 B2 EP 2143957B2 EP 08012463 A EP08012463 A EP 08012463A EP 2143957 B2 EP2143957 B2 EP 2143957B2
Authority
EP
European Patent Office
Prior art keywords
flow
pump
metal powder
manufactured
powder injection
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.)
Active
Application number
EP08012463.9A
Other languages
German (de)
English (en)
Other versions
EP2143957A1 (fr
EP2143957B1 (fr
Inventor
Per Frost Vensted
Martin Vad
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.)
Grundfos Management AS
Original Assignee
Grundfos Management AS
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40010783&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2143957(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Grundfos Management AS filed Critical Grundfos Management AS
Priority to EP08012463.9A priority Critical patent/EP2143957B2/fr
Priority to AT08012463T priority patent/ATE522726T1/de
Priority to CN200910140252A priority patent/CN101624998A/zh
Priority to US12/500,687 priority patent/US8317468B2/en
Publication of EP2143957A1 publication Critical patent/EP2143957A1/fr
Application granted granted Critical
Publication of EP2143957B1 publication Critical patent/EP2143957B1/fr
Publication of EP2143957B2 publication Critical patent/EP2143957B2/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04D29/02—Selection of particular materials
    • F04D29/026—Selection of particular materials especially adapted for liquid pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
    • B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
    • 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
    • F04D29/2222—Construction and assembly
    • F04D29/2227—Construction and assembly for special materials
    • 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
    • F04D29/2222—Construction and assembly
    • F04D29/2233—Construction and assembly entirely open or stamped from one sheet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2230/00—Manufacture
    • F05B2230/20—Manufacture essentially without removing material
    • F05B2230/21—Manufacture essentially without removing material by casting
    • F05B2230/211—Manufacture essentially without removing material by casting by precision casting, e.g. microfusing or investment casting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2230/00—Manufacture
    • F05B2230/20—Manufacture essentially without removing material
    • F05B2230/23—Manufacture essentially without removing material by permanently joining parts together
    • F05B2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
    • F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (13)

  1. Composant de guidage de l'écoulement d'une pompe, qui est formé en tant que roue à aubes d'un groupe motopompe centrifuge, et qui est composé d'au moins deux parties, caractérisé en ce qu'une première partie (2; 18) du composant est fabriquée par moulage par injection de poudre métallique et une deuxième partie (4 ; 38) du composant est fabriquée en tôle ou en tant que pièce moulée par injection de poudre métallique ou en tant que pièce usinée en plastique, les première et deuxième parties étant assemblées de telle sorte que des espaces creux ou des contre-dépouilles nécessaires entre elles sont formés dans le composant de guidage de l'écoulement.
  2. Composant de guidage de l'écoulement selon la revendication 1, caractérisé en ce que les première (2 ; 18) et deuxième partie (4 ; 38) sont reliées de manière fixe l'une à l'autre, en particulier soudées l'une à l'autre.
  3. Composant de guidage de l'écoulement selon la revendication 1 ou 2, caractérisé en ce que la première partie (2; 18) fabriquée par moulage par injection de poudre métallique présente une ou plusieurs aubes (6 ; 22) pour le guidage de l'écoulement.
  4. Composant de guidage de l'écoulement l'une des revendications précédentes, caractérisé en ce que la première partie (2) est un disque de recouvrement, qui est fabriqué d'un seul tenant avec les aubes (6) de la roue à aubes par moulage par injection de poudre métallique, et en ce que la deuxième partie (4) est un deuxième disque de recouvrement fabriqué en tôle.
  5. Composant de guidage de l'écoulement selon l'une des revendications précédentes, caractérisé en ce que la première partie (2) présente un moyeu (8), qui est fabriqué d'un seul tenant avec le disque de recouvrement et les aubes (6) par moulage par injection de poudre métallique.
  6. Composant de guidage de l'écoulement selon la revendication 5, caractérisé en ce que le moyeu (8) présente un filetage qui est formé directement par moulage par injection de poudre métallique au niveau du moyeu (8).
  7. Composant de guidage de l'écoulement d'une pompe qui est formé en tant que dispositif directeur de pompe pour une pompe centrifuge à plusieurs étages, et qui est composé d'au moins deux parties, caractérisé en ce qu'une première partie (2 ; 18) du composant est fabriquée par moulage par injection de poudre métallique et une deuxième partie (4 ; 38) du composant est fabriquée en tôle ou en tant que pièce moulée par injection de poudre métallique ou en tant que pièce usinée en plastique, les première et deuxième parties étant assemblées de telle sorte que des espaces creux ou des contre-dépouilles nécessaires entre elles sont formés dans le composant de guidage de l'écoulement.
  8. Composant de guidage de l'écoulement selon la revendication 7, caractérisé en ce que la première partie (18) est un premier disque de recouvrement, qui est fabriqué d'un seul tenant avec les aubes (22) du dispositif directeur par moulage par injection de poudre métallique, et en ce que la deuxième partie (28) est un deuxième disque de recouvrement fabriqué en tôle.
  9. Composant de guidage de l'écoulement selon la revendication 7 ou 8, caractérisé en ce que la première partie (18) est un premier disque de recouvrement, avec lequel une bague d'appui (32) s'étendant axialement est formée d'un seul tenant par moulage par injection de poudre métallique, laquelle bague d'appui est exécutée pour être garnie d'un insert d'étanchéité (34).
  10. Composant de guidage de l'écoulement selon l'une des revendications 7 à 9, caractérisé en ce que le dispositif directeur de pompe présente au moins une saillie orientée radialement vers l'extérieur, avec laquelle le dispositif directeur peut être fixé entre deux parties (28a, 28b) d'un corps de pompe (28).
  11. Composant de guidage de l'écoulement selon l'une des revendications 7 à 10, caractérisé en ce que les première (2 ; 18) et deuxième partie (4 ; 38) sont reliées de manière fixe l'une à l'autre, en particulier soudées l'une à l'autre.
  12. Composant de guidage de l'écoulement selon l'une des revendications 7 à 11, caractérisé en ce que la première partie (2 ; 18) fabriquée par moulage par injection de poudre métallique présente une ou plusieurs aubes (6 ; 22) pour le guidage de l'écoulement.
  13. Groupe motopompe, en particulier groupe motopompe centrifuge à un ou plusieurs étages, caractérisé en ce qu'il présente au moins un composant de guidage de l'écoulement selon l'une des revendications précédentes.
EP08012463.9A 2008-07-10 2008-07-10 Composant d'écoulement d'une pompe Active EP2143957B2 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP08012463.9A EP2143957B2 (fr) 2008-07-10 2008-07-10 Composant d'écoulement d'une pompe
AT08012463T ATE522726T1 (de) 2008-07-10 2008-07-10 Strömungsführendes bauteil einer pumpe
CN200910140252A CN101624998A (zh) 2008-07-10 2009-07-09 泵的导流构件
US12/500,687 US8317468B2 (en) 2008-07-10 2009-07-10 Flow-routing component of a pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08012463.9A EP2143957B2 (fr) 2008-07-10 2008-07-10 Composant d'écoulement d'une pompe

Publications (3)

Publication Number Publication Date
EP2143957A1 EP2143957A1 (fr) 2010-01-13
EP2143957B1 EP2143957B1 (fr) 2011-08-31
EP2143957B2 true EP2143957B2 (fr) 2016-08-10

Family

ID=40010783

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08012463.9A Active EP2143957B2 (fr) 2008-07-10 2008-07-10 Composant d'écoulement d'une pompe

Country Status (4)

Country Link
US (1) US8317468B2 (fr)
EP (1) EP2143957B2 (fr)
CN (1) CN101624998A (fr)
AT (1) ATE522726T1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012051642A1 (fr) * 2010-09-24 2012-04-26 New Fluid Technology Pty Ltd Procédé d'assemblage de turbine
JP5606358B2 (ja) 2011-02-24 2014-10-15 三菱重工業株式会社 インペラ及びこれを備えたロータ並びにインペラの製造方法
JP2013047479A (ja) 2011-08-29 2013-03-07 Mitsubishi Heavy Ind Ltd インペラ及びこれを備えた回転機械並びにインペラの製造方法
JP5907723B2 (ja) 2011-12-26 2016-04-26 三菱重工業株式会社 回転機械の製造方法
JP5555727B2 (ja) * 2012-01-23 2014-07-23 川崎重工業株式会社 軸流圧縮機翼の製造方法
US9855632B2 (en) * 2012-03-27 2018-01-02 Robert Bosch Tool Corporation Dust extraction system for a power tool
US9404484B2 (en) 2012-06-07 2016-08-02 Northern Tool & Equipment Company, Inc. Diaphragm pump and valve assembly with molded wobble plate
AU2012382001B2 (en) * 2012-06-07 2017-08-03 Northern Tool + Equipment Company, Inc. Diaphragm pump and valve assembly
CN103317139B (zh) * 2013-05-24 2016-04-27 江苏精研科技股份有限公司 金属粉末一次注射成型风扇及其制备方法
KR102126866B1 (ko) * 2013-08-07 2020-06-25 한화파워시스템 주식회사 유체 회전 기계의 임펠러 조립체 및 임펠러 조립체의 제조 방법
CN103629157B (zh) * 2013-11-27 2016-12-07 中国航天科技集团公司第六研究院第十一研究所 一种泵用导向器
US9091277B1 (en) 2014-04-25 2015-07-28 Computer Assisted Manufacturing Technology Corporation Systems and methods for manufacturing a shrouded impeller
CN104847702A (zh) * 2015-05-28 2015-08-19 浙江南元泵业有限公司 水泵导流壳结构的导流结构
DE102016225920A1 (de) * 2016-12-21 2018-06-21 KSB SE & Co. KGaA Kreiselpumpe mit einer Zerkleinerungsanordnung
CN106523438B (zh) * 2017-01-12 2018-10-23 浙江神农泵业有限公司 一种喷射泵分体式导流体
DE102018108762A1 (de) * 2018-04-12 2019-10-17 Gühring KG Absaugvorrichtung mit Schaufeln sowie hierfür vorgesehenes Herstellungsverfahren
CN110186623B (zh) * 2019-05-10 2021-06-22 华为技术有限公司 一种终端防水检测设备
CN111946662B (zh) * 2020-08-25 2022-02-15 绍兴市上虞区兴荣风机有限公司 离心叶轮及风机

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Publication number Priority date Publication date Assignee Title
EP1331395A2 (fr) † 2002-01-24 2003-07-30 Copeland Corporation Rotor composite en poudre métallique pour machine à spirales
DE10354750A1 (de) † 2003-11-21 2005-06-23 Siemens Ag Verfahren zur Herstellung eines Laufrades für eine Kreiselpumpe

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JP4872456B2 (ja) * 2006-05-24 2012-02-08 パナソニック電工株式会社 ポンプ及び液体供給装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1331395A2 (fr) † 2002-01-24 2003-07-30 Copeland Corporation Rotor composite en poudre métallique pour machine à spirales
DE10354750A1 (de) † 2003-11-21 2005-06-23 Siemens Ag Verfahren zur Herstellung eines Laufrades für eine Kreiselpumpe

Also Published As

Publication number Publication date
ATE522726T1 (de) 2011-09-15
CN101624998A (zh) 2010-01-13
EP2143957A1 (fr) 2010-01-13
US20100008775A1 (en) 2010-01-14
US8317468B2 (en) 2012-11-27
EP2143957B1 (fr) 2011-08-31

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