EP3040559A4 - Multi-stage centrifugal compressor and air conditioning unit - Google Patents

Multi-stage centrifugal compressor and air conditioning unit

Info

Publication number
EP3040559A4
EP3040559A4 EP14839681.5A EP14839681A EP3040559A4 EP 3040559 A4 EP3040559 A4 EP 3040559A4 EP 14839681 A EP14839681 A EP 14839681A EP 3040559 A4 EP3040559 A4 EP 3040559A4
Authority
EP
European Patent Office
Prior art keywords
air conditioning
conditioning unit
centrifugal compressor
stage centrifugal
stage
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Withdrawn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
EP14839681.5A
Other languages
German (de)
French (fr)
Other versions
EP3040559A1 (en
Inventor
Ruixing Zhong
Guanghui Xia
Hua Liu
Zhiping Zhang
Nan Jiang
Rong Xie
Xiubing Yan
Hongxing Wang
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.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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 Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Publication of EP3040559A1 publication Critical patent/EP3040559A1/en
Publication of EP3040559A4 publication Critical patent/EP3040559A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08Centrifugal pumps
    • F04D17/10Centrifugal pumps for compressing or evacuating
    • F04D17/12Multi-stage pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/02Surge control
    • F04D27/0207Surge control by bleeding, bypassing or recycling fluids
    • F04D27/0238Details or means for fluid reinjection
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/05Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/053Shafts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/05Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056Bearings
    • F04D29/058Bearings magnetic; electromagnetic
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/05Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056Bearings
    • F04D29/059Roller bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/26Rotors specially for elastic fluids
    • F04D29/28Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/284Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
    • F04D29/286Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors multi-stage rotors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44Fluid-guiding means, e.g. diffusers
    • F04D29/441Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B31/00Compressor arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B33/00Boilers; Analysers; Rectifiers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • F25B41/39Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP14839681.5A 2013-08-26 2014-08-14 Multi-stage centrifugal compressor and air conditioning unit Withdrawn EP3040559A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310377356.2A CN104421188A (en) 2013-08-26 2013-08-26 Multistage centrifugal compressor and air conditioning unit
PCT/CN2014/084414 WO2015027825A1 (en) 2013-08-26 2014-08-14 Multi-stage centrifugal compressor and air conditioning unit

Publications (2)

Publication Number Publication Date
EP3040559A1 EP3040559A1 (en) 2016-07-06
EP3040559A4 true EP3040559A4 (en) 2016-09-07

Family

ID=52585546

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14839681.5A Withdrawn EP3040559A4 (en) 2013-08-26 2014-08-14 Multi-stage centrifugal compressor and air conditioning unit

Country Status (6)

Country Link
US (1) US20160177954A1 (en)
EP (1) EP3040559A4 (en)
JP (1) JP2016532053A (en)
CN (1) CN104421188A (en)
PH (1) PH12016500366A1 (en)
WO (1) WO2015027825A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105221463B (en) * 2015-10-14 2017-10-20 西安交通大学 Two-stage big flow oblique flow centrifugation combination compressor with cascade EDFA
CN105650005A (en) * 2016-03-23 2016-06-08 上海钛灵特压缩机有限公司 Symmetrically arranged centrifugal compressor
CN106015032B (en) * 2016-06-28 2018-05-22 杭州万辰机电科技有限公司 Centrifugal compressor
CN106895529A (en) * 2017-04-10 2017-06-27 深圳沃海森科技有限公司 The centrifugal compressor cooling water air conditioner unit of multistage regulation
CN108425859A (en) * 2018-01-29 2018-08-21 固耐重工(苏州)有限公司 Magnetic suspension Large-power High-Speed centrifuge multi-stage compression structure
CN110836128A (en) * 2018-08-19 2020-02-25 传孚科技(厦门)有限公司 Gas power device
CN110307660B (en) * 2019-06-26 2020-06-09 珠海格力电器股份有限公司 Multi-stage compression air conditioning system and control method thereof
CN111928507B (en) * 2020-09-09 2024-05-24 珠海格力电器股份有限公司 Refrigerant circulation system, control method and air conditioning unit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1035669B (en) * 1954-08-09 1958-08-07 Frantisek Wergner Process for operating a compressor cooling system with at least two-stage compression of a refrigerant circulating in the system and a compressor cooling system for carrying out the process
US5857348A (en) * 1993-06-15 1999-01-12 Multistack International Limited Compressor
US20090205362A1 (en) * 2008-02-20 2009-08-20 Haley Paul F Centrifugal compressor assembly and method
WO2013093479A2 (en) * 2011-12-21 2013-06-27 Venus Systems Limited Centrifugal refrigerant vapour compressors

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2897659A (en) * 1954-08-09 1959-08-04 Ckd Stalingrad Narodni Podnik Apparatus for gas and liquid cooling in compressor plants with two- or multistage cooling circuit
US3805547A (en) * 1972-11-21 1974-04-23 Trane Co Refrigeration machine with liquid refrigerant cooled motor
US5310311A (en) * 1992-10-14 1994-05-10 Barber-Colman Company Air cycle machine with magnetic bearings
US6193473B1 (en) * 1999-03-31 2001-02-27 Cooper Turbocompressor, Inc. Direct drive compressor assembly with switched reluctance motor drive
JP2000291597A (en) * 1999-04-01 2000-10-17 Ebara Corp Capacity control device in multi-stage compressor for refrigerator
JP2003172281A (en) * 2001-12-06 2003-06-20 Sanyo Electric Co Ltd Compressor
JP2006161659A (en) * 2004-12-07 2006-06-22 Hitachi Ltd Refrigerating cycle device
JP2007154726A (en) * 2005-12-02 2007-06-21 Toshiba Kyaria Kk Hermetic compressor and refrigeration cycle device
JP4949817B2 (en) * 2006-12-08 2012-06-13 三菱重工業株式会社 Multistage compressor and refrigeration cycle using the same
CN201561598U (en) * 2009-12-21 2010-08-25 珠海格力电器股份有限公司 Low-temperature liquid cooling unit
US9121627B2 (en) * 2010-09-14 2015-09-01 Johnson Controls Technology Company System and method for controlling an economizer circuit
JP2012251529A (en) * 2011-06-07 2012-12-20 Daikin Industries Ltd Centrifugal compressor
JP5794009B2 (en) * 2011-07-15 2015-10-14 ダイキン工業株式会社 Refrigeration equipment
CN103016364B (en) * 2011-09-27 2016-08-24 珠海格力电器股份有限公司 Centrifugal compressor
CN202370910U (en) * 2011-12-23 2012-08-08 沈阳透平机械股份有限公司 Normal temperature assembled ultralow temperature run centrifugal compressor
CN202579201U (en) * 2012-05-15 2012-12-05 长沙埃尔压缩机有限责任公司 Single-shaft multi-stage centrifugal compressor
CN103016409A (en) * 2012-12-24 2013-04-03 烟台蓝德空调工业有限责任公司 Novel interstage air supplementing device of multi-stage compression centrifugal type refrigeration compressor
CN203488391U (en) * 2013-08-26 2014-03-19 珠海格力电器股份有限公司 Multistage centrifugal compressor and air conditioning unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1035669B (en) * 1954-08-09 1958-08-07 Frantisek Wergner Process for operating a compressor cooling system with at least two-stage compression of a refrigerant circulating in the system and a compressor cooling system for carrying out the process
US5857348A (en) * 1993-06-15 1999-01-12 Multistack International Limited Compressor
US20090205362A1 (en) * 2008-02-20 2009-08-20 Haley Paul F Centrifugal compressor assembly and method
WO2013093479A2 (en) * 2011-12-21 2013-06-27 Venus Systems Limited Centrifugal refrigerant vapour compressors

Also Published As

Publication number Publication date
WO2015027825A1 (en) 2015-03-05
US20160177954A1 (en) 2016-06-23
JP2016532053A (en) 2016-10-13
CN104421188A (en) 2015-03-18
EP3040559A1 (en) 2016-07-06
PH12016500366A1 (en) 2016-05-02

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