EP3279479A4 - Fluid machine equipped with diffuser - Google Patents

Fluid machine equipped with diffuser Download PDF

Info

Publication number
EP3279479A4
EP3279479A4 EP16772517.5A EP16772517A EP3279479A4 EP 3279479 A4 EP3279479 A4 EP 3279479A4 EP 16772517 A EP16772517 A EP 16772517A EP 3279479 A4 EP3279479 A4 EP 3279479A4
Authority
EP
European Patent Office
Prior art keywords
diffuser
machine equipped
fluid machine
fluid
machine
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Withdrawn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
EP16772517.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3279479A1 (en
Inventor
Yumiko SEKINO
Hiroyoshi Watanabe
Faidon CHRISTAKOPOULOS
Mehrdad Zangeneh
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.)
Advanced Design Technology Ltd
Ebara Corp
Original Assignee
Advanced Design Technology Ltd
Ebara Corp
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 Advanced Design Technology Ltd, Ebara Corp filed Critical Advanced Design Technology Ltd
Publication of EP3279479A1 publication Critical patent/EP3279479A1/en
Publication of EP3279479A4 publication Critical patent/EP3279479A4/en
Withdrawn legal-status Critical Current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
    • 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
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/445—Fluid-guiding means, e.g. diffusers 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
    • 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
    • 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
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
    • F04D29/448—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps bladed diffusers
    • 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
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/043—Shafts
    • 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
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/52—Outlet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP16772517.5A 2015-03-30 2016-03-24 Fluid machine equipped with diffuser Withdrawn EP3279479A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015068481 2015-03-30
PCT/JP2016/059302 WO2016158636A1 (ja) 2015-03-30 2016-03-24 ディフューザを備える流体機械

Publications (2)

Publication Number Publication Date
EP3279479A1 EP3279479A1 (en) 2018-02-07
EP3279479A4 true EP3279479A4 (en) 2018-12-12

Family

ID=57005798

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16772517.5A Withdrawn EP3279479A4 (en) 2015-03-30 2016-03-24 Fluid machine equipped with diffuser

Country Status (5)

Country Link
US (1) US20180080471A1 (ja)
EP (1) EP3279479A4 (ja)
JP (1) JP6706248B2 (ja)
CN (1) CN107949705B (ja)
WO (1) WO2016158636A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20153032A1 (it) * 2015-08-10 2017-02-10 Nuovo Pignone Tecnologie Srl Pompa centrifuga
US11473589B2 (en) * 2018-05-18 2022-10-18 Franklin Electric Co., Inc. Impeller assemblies and method of making
JP7469990B2 (ja) * 2020-08-07 2024-04-17 日立Astemo株式会社 ２段遠心ポンプ
CN112049822A (zh) * 2020-09-28 2020-12-08 烟台阳光泵业有限公司 多流道导流体及使用该导流体的悬臂式离心泵

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3912279A1 (de) * 1989-04-14 1990-10-18 Klein Schanzlin & Becker Ag Leitrad fuer kreiselpumpen
DE4418662A1 (de) * 1994-05-27 1995-11-30 Grundfos As Kreiselpumpe
US20070274828A1 (en) * 2006-05-24 2007-11-29 Matsushita Electric Works, Ltd. Pump and liquid supply system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11303797A (ja) * 1998-04-20 1999-11-02 Hitachi Ltd 多段圧縮機
JP2002155896A (ja) * 2000-11-22 2002-05-31 Mitsubishi Heavy Ind Ltd ターボ形圧縮機及びそれを備えた冷凍装置
EP2014925A1 (de) * 2007-07-12 2009-01-14 ABB Turbo Systems AG Diffuser für Radialverdichter
JP5148433B2 (ja) * 2008-09-19 2013-02-20 三菱重工業株式会社 遠心圧縮機

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3912279A1 (de) * 1989-04-14 1990-10-18 Klein Schanzlin & Becker Ag Leitrad fuer kreiselpumpen
DE4418662A1 (de) * 1994-05-27 1995-11-30 Grundfos As Kreiselpumpe
US20070274828A1 (en) * 2006-05-24 2007-11-29 Matsushita Electric Works, Ltd. Pump and liquid supply system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016158636A1 *

Also Published As

Publication number Publication date
JP6706248B2 (ja) 2020-06-03
EP3279479A1 (en) 2018-02-07
JPWO2016158636A1 (ja) 2018-01-25
CN107949705A (zh) 2018-04-20
WO2016158636A1 (ja) 2016-10-06
US20180080471A1 (en) 2018-03-22
CN107949705B (zh) 2020-03-17

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