EP3104018A4 - Diaphragm and centrifugal rotating machine - Google Patents

Diaphragm and centrifugal rotating machine Download PDF

Info

Publication number
EP3104018A4
EP3104018A4 EP15746259.9A EP15746259A EP3104018A4 EP 3104018 A4 EP3104018 A4 EP 3104018A4 EP 15746259 A EP15746259 A EP 15746259A EP 3104018 A4 EP3104018 A4 EP 3104018A4
Authority
EP
European Patent Office
Prior art keywords
diaphragm
rotating machine
centrifugal rotating
centrifugal
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Withdrawn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
EP15746259.9A
Other languages
German (de)
French (fr)
Other versions
EP3104018A1 (en
Inventor
Akihiro Nakaniwa
Shinji Iwamoto
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.)
Mitsubishi Heavy Industries Ltd
Mitsubishi Heavy Industries Compressor Corp
Original Assignee
Mitsubishi Heavy Industries Ltd
Mitsubishi Heavy Industries Compressor 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 Mitsubishi Heavy Industries Ltd, Mitsubishi Heavy Industries Compressor Corp filed Critical Mitsubishi Heavy Industries Ltd
Publication of EP3104018A1 publication Critical patent/EP3104018A1/en
Publication of EP3104018A4 publication Critical patent/EP3104018A4/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Withdrawn legal-status Critical Current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
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/10—Centrifugal pumps for compressing or evacuating
    • F04D17/12—Multi-stage pumps
    • F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02—Surge control
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
    • F04D29/286—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors multi-stage rotors
    • 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
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
    • F04D29/682—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps by fluid extraction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP15746259.9A 2014-02-05 2015-02-04 Diaphragm and centrifugal rotating machine Withdrawn EP3104018A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014020490A JP6133801B2 (en) 2014-02-05 2014-02-05 Diaphragm and centrifugal rotating machine
PCT/JP2015/053074 WO2015119140A1 (en) 2014-02-05 2015-02-04 Diaphragm and centrifugal rotating machine

Publications (2)

Publication Number Publication Date
EP3104018A1 EP3104018A1 (en) 2016-12-14
EP3104018A4 true EP3104018A4 (en) 2017-09-20

Family

ID=53777944

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15746259.9A Withdrawn EP3104018A4 (en) 2014-02-05 2015-02-04 Diaphragm and centrifugal rotating machine

Country Status (5)

Country Link
US (1) US20160327050A1 (en)
EP (1) EP3104018A4 (en)
JP (1) JP6133801B2 (en)
CN (1) CN105899814A (en)
WO (1) WO2015119140A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101826600B1 (en) * 2016-07-05 2018-02-07 뉴모텍(주) Pump for Circulating Water
KR101812033B1 (en) 2016-11-03 2018-01-25 뉴모텍(주) Pump for Circulating Water to prevent noise during transition state
CN109145335B (en) * 2017-06-28 2023-05-30 中国航发贵阳发动机设计研究所 Method for improving low cycle fatigue life of wheel disc through pre-rotation
JP7005393B2 (en) * 2018-03-09 2022-01-21 三菱重工業株式会社 Diffuser vane and centrifugal compressor
CN109340144B (en) * 2018-10-15 2019-09-06 佛山冠博机械科技发展有限公司 Multi-stage centrifugal fan
JP7161424B2 (en) 2019-02-26 2022-10-26 三菱重工コンプレッサ株式会社 impeller and rotating machinery
US11255338B2 (en) * 2019-10-07 2022-02-22 Elliott Company Methods and mechanisms for surge avoidance in multi-stage centrifugal compressors
EP4116588A1 (en) * 2021-07-06 2023-01-11 Sulzer Management AG Multistage centrifugal pump with a recirculation path

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2305226A (en) * 1940-01-05 1942-12-15 Edward A Stalker Blower
US20070147987A1 (en) * 2005-12-22 2007-06-28 Kirtley Kevin R Self-aspirated flow control system for centrifugal compressors
JP2010185361A (en) * 2009-02-12 2010-08-26 Mitsubishi Heavy Ind Ltd Centrifugal compressor
US20130272909A1 (en) * 2012-04-11 2013-10-17 Thermodyn Diaphragm with passive flow rate control for compression stage

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2637144B2 (en) * 1988-03-08 1997-08-06 株式会社日立製作所 Method and apparatus for preventing surging of centrifugal compressor
JPH0254400U (en) * 1988-10-12 1990-04-19
JPH04121496U (en) * 1991-04-19 1992-10-29 三菱重工業株式会社 compressor
JP2918773B2 (en) * 1993-11-08 1999-07-12 株式会社日立製作所 Centrifugal compressor
JPH10169593A (en) * 1996-12-13 1998-06-23 Ishikawajima Harima Heavy Ind Co Ltd Centrifugal compressor
JP2003293994A (en) * 2002-04-02 2003-10-15 Mitsubishi Heavy Ind Ltd Centrifugal compressor and method of operating centrifugal compressor
JP5031012B2 (en) * 2006-07-13 2012-09-19 三菱重工業株式会社 Compressor and operation control method thereof
US7736126B2 (en) * 2006-11-16 2010-06-15 Honeywell International Inc. Wide flow compressor with diffuser bypass
JP5319958B2 (en) * 2008-05-19 2013-10-16 三菱重工業株式会社 Transonic two-stage centrifugal compressor
CN100575710C (en) * 2008-11-25 2009-12-30 广州华纸节能科技有限公司 A kind of multistage turbine vacuum machine and use the method that it extracts multi-stage vacuum

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2305226A (en) * 1940-01-05 1942-12-15 Edward A Stalker Blower
US20070147987A1 (en) * 2005-12-22 2007-06-28 Kirtley Kevin R Self-aspirated flow control system for centrifugal compressors
JP2010185361A (en) * 2009-02-12 2010-08-26 Mitsubishi Heavy Ind Ltd Centrifugal compressor
US20130272909A1 (en) * 2012-04-11 2013-10-17 Thermodyn Diaphragm with passive flow rate control for compression stage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015119140A1 *

Also Published As

Publication number Publication date
JP2015148165A (en) 2015-08-20
CN105899814A (en) 2016-08-24
WO2015119140A1 (en) 2015-08-13
US20160327050A1 (en) 2016-11-10
EP3104018A1 (en) 2016-12-14
JP6133801B2 (en) 2017-05-24

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20160623

AK Designated contracting states

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20170823

RIC1 Information provided on ipc code assigned before grant

Ipc: F04D 29/44 20060101AFI20170817BHEP

Ipc: F04D 17/12 20060101ALI20170817BHEP

Ipc: F04D 29/66 20060101ALI20170817BHEP

STAA Information on the status of an ep patent application or granted ep patent

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18W Application withdrawn

Effective date: 20180411