GB0804497D0 - Controller for a refrigeration system with two-stage compression - Google Patents

Controller for a refrigeration system with two-stage compression

Info

Publication number
GB0804497D0
GB0804497D0 GBGB0804497.6A GB0804497A GB0804497D0 GB 0804497 D0 GB0804497 D0 GB 0804497D0 GB 0804497 A GB0804497 A GB 0804497A GB 0804497 D0 GB0804497 D0 GB 0804497D0
Authority
GB
United Kingdom
Prior art keywords
controller
refrigeration system
stage compression
compression
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.)
Granted
Application number
GBGB0804497.6A
Other versions
GB2449519A (en
GB2449519B (en
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.)
GEA Refrigeration Germany GmbH
Original Assignee
Grasso GmbH Refrigeration Technology
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 Grasso GmbH Refrigeration Technology filed Critical Grasso GmbH Refrigeration Technology
Publication of GB0804497D0 publication Critical patent/GB0804497D0/en
Publication of GB2449519A publication Critical patent/GB2449519A/en
Application granted granted Critical
Publication of GB2449519B publication Critical patent/GB2449519B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
    • 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
    • F25B40/02—Subcoolers
    • F25B41/06—
    • 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
    • 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
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • 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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
    • F25B1/047—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of screw type
    • 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
    • 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
    • F25B2600/2509—Economiser valves

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)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
GB0804497.6A 2007-03-21 2008-03-11 Controller for a refrigeration system with two-stage compression Active GB2449519B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007013485.3A DE102007013485B4 (en) 2007-03-21 2007-03-21 Process for controlling a CO2 refrigeration system with two-stage compression

Publications (3)

Publication Number Publication Date
GB0804497D0 true GB0804497D0 (en) 2008-04-16
GB2449519A GB2449519A (en) 2008-11-26
GB2449519B GB2449519B (en) 2012-06-13

Family

ID=39713003

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0804497.6A Active GB2449519B (en) 2007-03-21 2008-03-11 Controller for a refrigeration system with two-stage compression

Country Status (4)

Country Link
JP (1) JP2008232613A (en)
DE (1) DE102007013485B4 (en)
GB (1) GB2449519B (en)
IT (1) ITRM20080044A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101252173B1 (en) * 2010-11-23 2013-04-05 엘지전자 주식회사 Heat pump and control method of the heat pump
JP6134477B2 (en) * 2012-01-10 2017-05-24 ジョンソンコントロールズ ヒタチ エア コンディショニング テクノロジー（ホンコン）リミテッド Refrigeration equipment and refrigerator unit
CN106403358A (en) * 2016-08-30 2017-02-15 内蒙古博大实地化学有限公司 Ammonia synthesis device refrigeration system
JP7224486B2 (en) * 2019-11-01 2023-02-17 三菱電機株式会社 refrigeration cycle equipment

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5197849A (en) * 1975-02-26 1976-08-28
JPS6230691Y2 (en) * 1981-05-15 1987-08-06
JPS6035169U (en) * 1983-08-17 1985-03-11 株式会社神戸製鋼所 screw refrigeration compressor
JPS61285352A (en) * 1985-06-11 1986-12-16 株式会社神戸製鋼所 Screw type heat pump
US5062274A (en) * 1989-07-03 1991-11-05 Carrier Corporation Unloading system for two compressors
US5095712A (en) * 1991-05-03 1992-03-17 Carrier Corporation Economizer control with variable capacity
US5927088A (en) * 1996-02-27 1999-07-27 Shaw; David N. Boosted air source heat pump
JP3903409B2 (en) * 2000-03-29 2007-04-11 三菱電機株式会社 Two-stage compression refrigerator
JP4658347B2 (en) * 2001-01-31 2011-03-23 三菱重工業株式会社 Supercritical vapor compression refrigeration cycle
US6694750B1 (en) * 2002-08-21 2004-02-24 Carrier Corporation Refrigeration system employing multiple economizer circuits
ES2235681T3 (en) * 2003-07-18 2010-08-31 Star Refrigeration Ltd. IMPROVED TRANSCRITICAL COOLING CYCLE.
DE10334947B4 (en) 2003-07-31 2019-11-07 Gea Refrigeration Germany Gmbh Compressor for transcritical refrigeration systems
JP4433729B2 (en) * 2003-09-05 2010-03-17 ダイキン工業株式会社 Refrigeration equipment
JP4140488B2 (en) * 2003-09-09 2008-08-27 ダイキン工業株式会社 Screw compressor and refrigeration equipment
DE102004002775A1 (en) * 2004-01-20 2005-08-04 Grasso Gmbh Refrigeration Technology Screw compressor refrigeration system has a controlled economy connection situated between an inner heat exchanger and the compressor
JP4613526B2 (en) * 2004-06-23 2011-01-19 株式会社デンソー Supercritical heat pump cycle equipment
JP2006145087A (en) * 2004-11-17 2006-06-08 Denso Corp Supercritical refrigeration cycle
JP4771721B2 (en) * 2005-03-16 2011-09-14 三菱電機株式会社 Air conditioner
JP2006258397A (en) * 2005-03-18 2006-09-28 Mitsubishi Electric Corp Refrigerator
JP2006292229A (en) * 2005-04-08 2006-10-26 Mayekawa Mfg Co Ltd Co2 refrigeration cycle device and supercritical refrigeration operation method therefor
DE102005018602B4 (en) 2005-04-21 2015-08-20 Gea Grasso Gmbh Two-stage screw compressor unit
EP2008036B1 (en) * 2006-03-27 2015-12-02 Carrier Corporation Refrigerating system with parallel staged economizer circuits using multistage compression
JP4716935B2 (en) * 2006-06-27 2011-07-06 三洋電機株式会社 Refrigeration cycle apparatus and heat pump water heater
DE102007003983B4 (en) 2007-01-26 2023-02-02 Bayerische Motoren Werke Aktiengesellschaft Hollow beam for a motor vehicle
DE102007003989A1 (en) 2007-01-26 2008-07-31 Grasso Gmbh Refrigeration Technology CO2 refrigeration system with oil-immersed screw compressors in two-stage arrangement

Also Published As

Publication number Publication date
ITRM20080044A1 (en) 2008-09-22
JP2008232613A (en) 2008-10-02
GB2449519A (en) 2008-11-26
DE102007013485A1 (en) 2008-09-25
DE102007013485B4 (en) 2020-02-20
GB2449519B (en) 2012-06-13

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120628 AND 20120704