EP3040559A4 - Multi-stage centrifugal compressor and air conditioning unit - Google Patents
Multi-stage centrifugal compressor and air conditioning unitInfo
- 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- Withdrawn
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
- F04D27/0238—Details or means for fluid reinjection
-
- 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/058—Bearings magnetic; electromagnetic
-
- 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
- F04D29/056—Bearings
- F04D29/059—Roller bearings
-
- 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
- F04D29/4206—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
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B33/00—Boilers; Analysers; Rectifiers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/39—Dispositions 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)
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)
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)
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)
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 |
-
2013
- 2013-08-26 CN CN201310377356.2A patent/CN104421188A/en active Pending
-
2014
- 2014-08-14 WO PCT/CN2014/084414 patent/WO2015027825A1/en active Application Filing
- 2014-08-14 EP EP14839681.5A patent/EP3040559A4/en not_active Withdrawn
- 2014-08-14 JP JP2016537109A patent/JP2016532053A/en active Pending
-
2016
- 2016-02-24 PH PH12016500366A patent/PH12016500366A1/en unknown
- 2016-02-25 US US15/053,681 patent/US20160177954A1/en not_active Abandoned
Patent Citations (4)
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20160322 |
|
AK | Designated contracting states |
Kind code of ref document: A1 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 |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20160810 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F04D 29/44 20060101ALI20160804BHEP Ipc: F04D 29/60 20060101ALI20160804BHEP Ipc: F04D 27/02 20060101ALI20160804BHEP Ipc: F04D 29/28 20060101ALI20160804BHEP Ipc: F04D 29/42 20060101ALI20160804BHEP Ipc: F04D 17/12 20060101AFI20160804BHEP Ipc: F04D 25/06 20060101ALI20160804BHEP |
|
DAX | Request for extension of the european patent (deleted) | ||
17Q | First examination report despatched |
Effective date: 20170509 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20170920 |