GB2469616B - A refrigeration system operable under transcritical conditions - Google Patents
A refrigeration system operable under transcritical conditionsInfo
- Publication number
- GB2469616B GB2469616B GB0902192.4A GB0902192A GB2469616B GB 2469616 B GB2469616 B GB 2469616B GB 0902192 A GB0902192 A GB 0902192A GB 2469616 B GB2469616 B GB 2469616B
- Authority
- GB
- United Kingdom
- Prior art keywords
- refrigeration system
- system operable
- operable under
- transcritical conditions
- conditions
- 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.)
- Active
Links
- 238000005057 refrigeration Methods 0.000 title 1
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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- 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
- F25B43/006—Accumulators
-
- 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
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/06—Details of flow restrictors or expansion valves
- F25B2341/063—Feed forward expansion valves
-
- 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
- F25B2400/05—Compression system with heat exchange between particular parts of the system
- F25B2400/051—Compression system with heat exchange between particular parts of the system between the accumulator and another part of the cycle
-
- 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
- F25B2400/07—Details of compressors or related parts
- F25B2400/075—Details of compressors or related parts with parallel compressors
-
- 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
- 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
- F25B2400/22—Refrigeration systems for supermarkets
-
- 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
- F25B2400/23—Separators
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2501—Bypass valves
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2525—Pressure relief valves
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/005—Arrangement or mounting of control or safety devices of safety devices
-
- 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
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
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 Control Device (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0902192.4A GB2469616B (en) | 2009-02-11 | 2009-02-11 | A refrigeration system operable under transcritical conditions |
US12/702,386 US20100199707A1 (en) | 2009-02-11 | 2010-02-09 | Refrigeration system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0902192.4A GB2469616B (en) | 2009-02-11 | 2009-02-11 | A refrigeration system operable under transcritical conditions |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0902192D0 GB0902192D0 (en) | 2009-03-25 |
GB2469616A GB2469616A (en) | 2010-10-27 |
GB2469616B true GB2469616B (en) | 2013-08-28 |
Family
ID=40527134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0902192.4A Active GB2469616B (en) | 2009-02-11 | 2009-02-11 | A refrigeration system operable under transcritical conditions |
Country Status (2)
Country | Link |
---|---|
US (1) | US20100199707A1 (en) |
GB (1) | GB2469616B (en) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8631666B2 (en) | 2008-08-07 | 2014-01-21 | Hill Phoenix, Inc. | Modular CO2 refrigeration system |
US9664424B2 (en) | 2010-11-17 | 2017-05-30 | Hill Phoenix, Inc. | Cascade refrigeration system with modular ammonia chiller units |
US9657977B2 (en) | 2010-11-17 | 2017-05-23 | Hill Phoenix, Inc. | Cascade refrigeration system with modular ammonia chiller units |
US9541311B2 (en) | 2010-11-17 | 2017-01-10 | Hill Phoenix, Inc. | Cascade refrigeration system with modular ammonia chiller units |
PL2718642T3 (en) | 2011-06-06 | 2017-07-31 | Huurre Group Oy | A multi-evaporator refrigeration circuit |
ITTV20110077A1 (en) * | 2011-06-06 | 2012-12-07 | Enex Srl | REFRIGERATOR SYSTEM WITH STEAM COMPRESSION AND DIRECT EXPANSION WITH HIGH CIRCULATION RATIO IN EVAPORATORS. |
ITTV20110141A1 (en) * | 2011-10-14 | 2013-04-15 | Enex Srl | REFRIGERANT SYSTEM WITH REFRIGERANT R744 WITH HIGH CIRCULATION REPORT IN EVAPORATORS. |
DK177329B1 (en) | 2011-06-16 | 2013-01-14 | Advansor As | Refrigeration system |
AU2013259907B2 (en) * | 2012-05-11 | 2017-08-17 | Hill Phoenix, Inc. | CO2 refrigeration system with integrated air conditioning module |
KR102034582B1 (en) * | 2012-07-24 | 2019-11-08 | 엘지전자 주식회사 | Refrigerating cycle and Refrigerator having the same |
US9718553B2 (en) | 2013-03-14 | 2017-08-01 | Rolls-Royce North America Technologies, Inc. | Adaptive trans-critical CO2 cooling systems for aerospace applications |
US10132529B2 (en) | 2013-03-14 | 2018-11-20 | Rolls-Royce Corporation | Thermal management system controlling dynamic and steady state thermal loads |
US9676484B2 (en) | 2013-03-14 | 2017-06-13 | Rolls-Royce North American Technologies, Inc. | Adaptive trans-critical carbon dioxide cooling systems |
EP2994385B1 (en) | 2013-03-14 | 2019-07-03 | Rolls-Royce Corporation | Adaptive trans-critical co2 cooling systems for aerospace applications |
US10302342B2 (en) | 2013-03-14 | 2019-05-28 | Rolls-Royce Corporation | Charge control system for trans-critical vapor cycle systems |
ES2741024T3 (en) | 2013-05-03 | 2020-02-07 | Hill Phoenix Inc | Systems and methods for pressure control in a CO2 cooling system |
US9657969B2 (en) | 2013-12-30 | 2017-05-23 | Rolls-Royce Corporation | Multi-evaporator trans-critical cooling systems |
EP3885670B1 (en) * | 2014-06-27 | 2023-09-06 | Mitsubishi Electric Corporation | Refrigeration cycle apparatus |
US10429111B2 (en) | 2015-02-25 | 2019-10-01 | Heatcraft Refrigeration Products Llc | Integrated suction header assembly |
JP6590363B2 (en) * | 2015-07-08 | 2019-10-16 | サンデン・エンバイロメントプロダクツ株式会社 | Refrigeration equipment |
JP6602395B2 (en) * | 2016-01-20 | 2019-11-06 | 三菱電機株式会社 | Refrigeration cycle equipment |
US11125483B2 (en) | 2016-06-21 | 2021-09-21 | Hill Phoenix, Inc. | Refrigeration system with condenser temperature differential setpoint control |
US11796227B2 (en) * | 2018-05-24 | 2023-10-24 | Hill Phoenix, Inc. | Refrigeration system with oil control system |
US10663196B2 (en) * | 2018-06-05 | 2020-05-26 | Heatcraft Refrigeration Products Llc | Cooling system |
US11397032B2 (en) | 2018-06-05 | 2022-07-26 | Hill Phoenix, Inc. | CO2 refrigeration system with magnetic refrigeration system cooling |
ES2894502T3 (en) | 2018-06-22 | 2022-02-14 | Danfoss As | A procedure to finish defrosting an evaporator |
EP3587962B1 (en) | 2018-06-22 | 2020-12-30 | Danfoss A/S | A method for terminating defrosting of an evaporator by use of air temperature measurements |
EP3591316A1 (en) * | 2018-07-06 | 2020-01-08 | Danfoss A/S | Apparatus for removing non-condensable gases from a refrigerant |
US10663201B2 (en) | 2018-10-23 | 2020-05-26 | Hill Phoenix, Inc. | CO2 refrigeration system with supercritical subcooling control |
CN113396472A (en) * | 2019-01-31 | 2021-09-14 | 朗姆研究公司 | Process chamber cooling system |
CN114704992B (en) * | 2022-02-16 | 2023-10-20 | 深圳市科姆森制冷设备有限公司 | Industrial refrigerating fluid circulation intelligent environment-friendly device |
CN116294323B (en) * | 2022-12-21 | 2024-05-17 | 北京大学 | Control method for optimal exhaust pressure of transcritical ice making system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1757875A2 (en) * | 2005-08-23 | 2007-02-28 | Denso Corporation | Supercritical refrigeration cycle system |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3643460A (en) * | 1970-09-11 | 1972-02-22 | Frick Co | Gravity refrigerant recirculation |
US4285205A (en) * | 1979-12-20 | 1981-08-25 | Martin Leonard I | Refrigerant sub-cooling |
US4275570A (en) * | 1980-06-16 | 1981-06-30 | Vilter Manufacturing Corporation | Oil cooling means for refrigeration screw compressor |
US4831835A (en) * | 1988-04-21 | 1989-05-23 | Tyler Refrigeration Corporation | Refrigeration system |
US4945733A (en) * | 1989-11-22 | 1990-08-07 | Labrecque James C | Refrigeration |
JP2675459B2 (en) * | 1991-08-30 | 1997-11-12 | 三洋電機株式会社 | Refrigeration equipment |
US5189885A (en) * | 1991-11-08 | 1993-03-02 | H. A. Phillips & Co. | Recirculating refrigeration system |
US5622055A (en) * | 1995-03-22 | 1997-04-22 | Martin Marietta Energy Systems, Inc. | Liquid over-feeding refrigeration system and method with integrated accumulator-expander-heat exchanger |
JP3109500B2 (en) * | 1998-12-16 | 2000-11-13 | ダイキン工業株式会社 | Refrigeration equipment |
US6385980B1 (en) * | 2000-11-15 | 2002-05-14 | Carrier Corporation | High pressure regulation in economized vapor compression cycles |
US6523365B2 (en) * | 2000-12-29 | 2003-02-25 | Visteon Global Technologies, Inc. | Accumulator with internal heat exchanger |
JP3801006B2 (en) * | 2001-06-11 | 2006-07-26 | ダイキン工業株式会社 | Refrigerant circuit |
US6694763B2 (en) * | 2002-05-30 | 2004-02-24 | Praxair Technology, Inc. | Method for operating a transcritical refrigeration system |
US6644066B1 (en) * | 2002-06-14 | 2003-11-11 | Liebert Corporation | Method and apparatus to relieve liquid pressure from receiver to condenser when the receiver has filled with liquid due to ambient temperature cycling |
JP2006177632A (en) * | 2004-12-24 | 2006-07-06 | Denso Corp | Refrigerating cycle |
US7178362B2 (en) * | 2005-01-24 | 2007-02-20 | Tecumseh Products Cormpany | Expansion device arrangement for vapor compression system |
CN101548142B (en) * | 2006-11-30 | 2013-04-24 | 开利公司 | Refrigerant charge storage |
GB2453515A (en) * | 2007-07-31 | 2009-04-15 | Space Engineering Services Ltd | Vapour compression system |
-
2009
- 2009-02-11 GB GB0902192.4A patent/GB2469616B/en active Active
-
2010
- 2010-02-09 US US12/702,386 patent/US20100199707A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1757875A2 (en) * | 2005-08-23 | 2007-02-28 | Denso Corporation | Supercritical refrigeration cycle system |
Also Published As
Publication number | Publication date |
---|---|
GB0902192D0 (en) | 2009-03-25 |
US20100199707A1 (en) | 2010-08-12 |
GB2469616A (en) | 2010-10-27 |
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