CN111379744B - 离心式旋转机械 - Google Patents

离心式旋转机械 Download PDF

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Publication number
CN111379744B
CN111379744B CN201911326761.5A CN201911326761A CN111379744B CN 111379744 B CN111379744 B CN 111379744B CN 201911326761 A CN201911326761 A CN 201911326761A CN 111379744 B CN111379744 B CN 111379744B
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China
Prior art keywords
flow path
impeller
peripheral surface
cover
inner peripheral
Prior art date
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CN201911326761.5A
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English (en)
Chinese (zh)
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CN111379744A (zh
Inventor
岩崎真人
川下伦平
时政泰宪
山下修一
枡谷穰
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Mitsubishi Heavy Industries Compressor Corp
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Mitsubishi Heavy Industries Ltd
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Publication of CN111379744A publication Critical patent/CN111379744A/zh
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    • 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
    • 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
    • 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
    • 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/053—Shafts
    • 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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/162—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of a centrifugal flow wheel
    • 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
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps 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
    • F04D29/40—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
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
    • 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
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CN201911326761.5A 2018-12-25 2019-12-20 离心式旋转机械 Active CN111379744B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018241697A JP7168441B2 (ja) 2018-12-25 2018-12-25 遠心回転機械
JP2018-241697 2018-12-25

Publications (2)

Publication Number Publication Date
CN111379744A CN111379744A (zh) 2020-07-07
CN111379744B true CN111379744B (zh) 2022-03-29

Family

ID=71097394

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911326761.5A Active CN111379744B (zh) 2018-12-25 2019-12-20 离心式旋转机械

Country Status (3)

Country Link
US (1) US20200200184A1 (ja)
JP (1) JP7168441B2 (ja)
CN (1) CN111379744B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210132505A (ko) * 2020-04-27 2021-11-04 삼성전자주식회사 모터 어셈블리 및 이를 포함하는 청소기
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

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2471174A (en) * 1947-04-24 1949-05-24 Clark Bros Co Inc Centrifugal compressor stability means
US5228832A (en) * 1990-03-14 1993-07-20 Hitachi, Ltd. Mixed flow compressor
TW431562U (en) * 2000-02-02 2001-04-21 Ind Tech Res Inst Floating type vane wheel structure for multi-stage type pressing pump
WO2012001995A1 (ja) * 2010-06-28 2012-01-05 三菱重工業株式会社 シール装置及びこれを備えた流体機械
CN203783951U (zh) * 2014-01-08 2014-08-20 陈亚波 一种离心泵口环密封机构
CN105545810A (zh) * 2015-12-18 2016-05-04 清华大学 离心压气机的机匣
CN105570186A (zh) * 2016-03-04 2016-05-11 浙江工业大学 一种能实现轴向力自平衡的单级离心泵
US20160218590A1 (en) * 2013-09-03 2016-07-28 Nuovo Pignone Srl Fancooled electrical machine with axial thrust compensation
JP2016148308A (ja) * 2015-02-13 2016-08-18 三菱重工業株式会社 遠心圧縮機、及びギアード遠心圧縮機
CN106164496A (zh) * 2014-01-07 2016-11-23 诺沃皮尼奥内股份有限公司 具有非线性叶片前缘的离心压缩机叶轮及相关联的设计方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04159497A (ja) * 1990-10-19 1992-06-02 Hitachi Ltd 流体機械
JPH064398U (ja) * 1992-06-19 1994-01-21 三菱重工業株式会社 遠心圧縮機
JP4159497B2 (ja) 2004-03-29 2008-10-01 株式会社国際電気通信基礎技術研究所 キー入力装置
JP2006057487A (ja) 2004-08-18 2006-03-02 Mitsubishi Heavy Ind Ltd 遠心圧縮機
US7731476B2 (en) 2007-01-30 2010-06-08 Technology Commercialization Corp. Method and device for reducing axial thrust and radial oscillations and rotary machines using same
JP2010025000A (ja) 2008-07-22 2010-02-04 Hitachi Plant Technologies Ltd 遠心流体機械
JP5769978B2 (ja) 2011-01-27 2015-08-26 ミネベア株式会社 遠心式ファン
US10066750B2 (en) 2012-11-13 2018-09-04 Mitsubishi Heavy Industries Compressor Corporation Rotary machine
JP6260481B2 (ja) 2013-10-21 2018-01-17 株式会社デンソー 遠心送風機

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2471174A (en) * 1947-04-24 1949-05-24 Clark Bros Co Inc Centrifugal compressor stability means
US5228832A (en) * 1990-03-14 1993-07-20 Hitachi, Ltd. Mixed flow compressor
TW431562U (en) * 2000-02-02 2001-04-21 Ind Tech Res Inst Floating type vane wheel structure for multi-stage type pressing pump
WO2012001995A1 (ja) * 2010-06-28 2012-01-05 三菱重工業株式会社 シール装置及びこれを備えた流体機械
US20160218590A1 (en) * 2013-09-03 2016-07-28 Nuovo Pignone Srl Fancooled electrical machine with axial thrust compensation
CN106164496A (zh) * 2014-01-07 2016-11-23 诺沃皮尼奥内股份有限公司 具有非线性叶片前缘的离心压缩机叶轮及相关联的设计方法
CN203783951U (zh) * 2014-01-08 2014-08-20 陈亚波 一种离心泵口环密封机构
JP2016148308A (ja) * 2015-02-13 2016-08-18 三菱重工業株式会社 遠心圧縮機、及びギアード遠心圧縮機
CN105545810A (zh) * 2015-12-18 2016-05-04 清华大学 离心压气机的机匣
CN105570186A (zh) * 2016-03-04 2016-05-11 浙江工业大学 一种能实现轴向力自平衡的单级离心泵

Also Published As

Publication number Publication date
JP7168441B2 (ja) 2022-11-09
JP2020101169A (ja) 2020-07-02
US20200200184A1 (en) 2020-06-25
CN111379744A (zh) 2020-07-07

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Patentee before: MITSUBISHI HEAVY INDUSTRIES, Ltd.

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