EP1862749A3 - Vapor Compression Refrigeration Cycle - Google Patents
Vapor Compression Refrigeration Cycle Download PDFInfo
- Publication number
- EP1862749A3 EP1862749A3 EP07108423A EP07108423A EP1862749A3 EP 1862749 A3 EP1862749 A3 EP 1862749A3 EP 07108423 A EP07108423 A EP 07108423A EP 07108423 A EP07108423 A EP 07108423A EP 1862749 A3 EP1862749 A3 EP 1862749A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- refrigerant
- small amount
- oil containing
- oil
- pressure
- 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- Withdrawn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
- 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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
-
- 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
- F25B40/00—Subcoolers, desuperheaters or superheaters
-
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
- F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
- F28D1/0443—Combination of units extending one beside or one above the other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/0008—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one medium being in heat conductive contact with the conduits for the other medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/0008—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one medium being in heat conductive contact with the conduits for the other medium
- F28D7/0025—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one medium being in heat conductive contact with the conduits for the other medium the conduits for one medium or the conduits for both media being flat tubes or arrays of tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
- F28D7/103—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of more than two coaxial conduits or modules of more than two coaxial conduits
-
- 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
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
- F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/13—Economisers
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/18—Optimization, e.g. high integration of refrigeration components
-
- 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
- F25B31/002—Lubrication
- F25B31/004—Lubrication oil recirculating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
- F28D2021/0073—Gas coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F2009/0285—Other particular headers or end plates
- F28F2009/0287—Other particular headers or end plates having passages for different heat exchange media
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006149628A JP4787070B2 (en) | 2006-05-30 | 2006-05-30 | Refrigeration cycle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1862749A2 EP1862749A2 (en) | 2007-12-05 |
EP1862749A3 true EP1862749A3 (en) | 2008-12-24 |
Family
ID=38514187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07108423A Withdrawn EP1862749A3 (en) | 2006-05-30 | 2007-05-17 | Vapor Compression Refrigeration Cycle |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1862749A3 (en) |
JP (1) | JP4787070B2 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7975506B2 (en) | 2008-02-20 | 2011-07-12 | Trane International, Inc. | Coaxial economizer assembly and method |
US7856834B2 (en) | 2008-02-20 | 2010-12-28 | Trane International Inc. | Centrifugal compressor assembly and method |
US9353765B2 (en) | 2008-02-20 | 2016-05-31 | Trane International Inc. | Centrifugal compressor assembly and method |
US8037713B2 (en) | 2008-02-20 | 2011-10-18 | Trane International, Inc. | Centrifugal compressor assembly and method |
JP5180680B2 (en) * | 2008-05-20 | 2013-04-10 | サンデン株式会社 | Refrigeration cycle |
JP5119060B2 (en) * | 2008-06-27 | 2013-01-16 | サンデン株式会社 | Refrigeration cycle |
DE102008046590A1 (en) * | 2008-09-10 | 2010-03-11 | Bayerische Motoren Werke Aktiengesellschaft | Vehicle air-conditioning system, has switching element for changing heat transfer capacity, and bypass for bypassing of fluid connection, so that transferred thermal capacity is reduced to zero |
FR2960632B1 (en) * | 2010-05-31 | 2013-05-17 | Valeo Systemes Thermiques | INTERNAL HEAT EXCHANGER HAVING THREE FLUID CIRCULATION PATHWAYS |
EP2568247B1 (en) * | 2011-09-07 | 2019-04-10 | LG Electronics Inc. | Air conditioner |
KR102086378B1 (en) * | 2013-03-11 | 2020-03-10 | 주식회사 두원공조 | Cooling system for vehicle |
JP2014185811A (en) * | 2013-03-22 | 2014-10-02 | Fujitsu General Ltd | Refrigeration cycle device |
AU2014410881B2 (en) * | 2014-11-04 | 2018-01-18 | Mitsubishi Electric Corporation | Air-conditioning apparatus |
JP6929318B2 (en) * | 2019-03-28 | 2021-09-01 | 東プレ株式会社 | Refrigeration equipment and operation method of refrigeration equipment |
EP3742069B1 (en) * | 2019-05-21 | 2024-03-20 | Carrier Corporation | Refrigeration apparatus and use thereof |
CN111059806B (en) * | 2019-09-16 | 2022-01-18 | 江苏奥利维尔环境设备有限公司 | Air conditioner host with oil separation function, air conditioner system and oil separation method |
EP4242551A4 (en) * | 2020-11-04 | 2023-12-06 | Mitsubishi Electric Corporation | Refrigeration cycle apparatus |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0924478A2 (en) * | 1997-12-15 | 1999-06-23 | Carrier Corporation | Refrigeration system with integrated oil cooling heat exchanger |
EP0976991A2 (en) * | 1998-07-31 | 2000-02-02 | Zexel Corporation | Refrigerating cycle |
JP2000274890A (en) * | 1999-03-18 | 2000-10-06 | Nippon Soken Inc | Supercritical cycle |
JP2001027460A (en) * | 1993-12-28 | 2001-01-30 | Mitsubishi Electric Corp | Refrigeration cycle system |
JP2002333221A (en) * | 2001-05-01 | 2002-11-22 | Mitsubishi Heavy Ind Ltd | Gas cooler and vehicle-mounted air conditioner |
EP1394479A2 (en) * | 2002-08-30 | 2004-03-03 | Sanyo Electric Co., Ltd. | Refrigerant cycling device and compressor |
EP1647783A2 (en) * | 2004-10-18 | 2006-04-19 | Mitsubishi Denki Kabushiki Kaisha | Refrigeration/air conditioning equipment |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS602179U (en) * | 1983-06-20 | 1985-01-09 | 三洋電機株式会社 | heat exchange equipment |
JP2001174102A (en) * | 1999-12-13 | 2001-06-29 | Mitsubishi Heavy Ind Ltd | Air conditioner |
JP2003021409A (en) * | 2001-07-10 | 2003-01-24 | Japan Climate Systems Corp | Air conditioner for vehicle |
JP2003148814A (en) * | 2001-11-15 | 2003-05-21 | Matsushita Electric Ind Co Ltd | Refrigerating machine |
JP2004092933A (en) * | 2002-08-29 | 2004-03-25 | Zexel Valeo Climate Control Corp | Refrigeration cycle |
JP4112392B2 (en) * | 2003-02-07 | 2008-07-02 | 株式会社日本クライメイトシステムズ | Air conditioner for vehicles |
-
2006
- 2006-05-30 JP JP2006149628A patent/JP4787070B2/en not_active Expired - Fee Related
-
2007
- 2007-05-17 EP EP07108423A patent/EP1862749A3/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001027460A (en) * | 1993-12-28 | 2001-01-30 | Mitsubishi Electric Corp | Refrigeration cycle system |
EP0924478A2 (en) * | 1997-12-15 | 1999-06-23 | Carrier Corporation | Refrigeration system with integrated oil cooling heat exchanger |
EP0976991A2 (en) * | 1998-07-31 | 2000-02-02 | Zexel Corporation | Refrigerating cycle |
JP2000274890A (en) * | 1999-03-18 | 2000-10-06 | Nippon Soken Inc | Supercritical cycle |
JP2002333221A (en) * | 2001-05-01 | 2002-11-22 | Mitsubishi Heavy Ind Ltd | Gas cooler and vehicle-mounted air conditioner |
EP1394479A2 (en) * | 2002-08-30 | 2004-03-03 | Sanyo Electric Co., Ltd. | Refrigerant cycling device and compressor |
EP1647783A2 (en) * | 2004-10-18 | 2006-04-19 | Mitsubishi Denki Kabushiki Kaisha | Refrigeration/air conditioning equipment |
Non-Patent Citations (1)
Title |
---|
"2002 Ashrae Handbook, Refrigeration", 2002, ASHRAE, ATLANTA, XP002503576 * |
Also Published As
Publication number | Publication date |
---|---|
JP4787070B2 (en) | 2011-10-05 |
EP1862749A2 (en) | 2007-12-05 |
JP2007322009A (en) | 2007-12-13 |
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Legal Events
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Effective date: 20090625 |