NZ210800A - Refrigeration system with two compression stages and refrigerant subcooler - Google Patents

Refrigeration system with two compression stages and refrigerant subcooler

Info

Publication number
NZ210800A
NZ210800A NZ210800A NZ21080085A NZ210800A NZ 210800 A NZ210800 A NZ 210800A NZ 210800 A NZ210800 A NZ 210800A NZ 21080085 A NZ21080085 A NZ 21080085A NZ 210800 A NZ210800 A NZ 210800A
Authority
NZ
New Zealand
Prior art keywords
stage
stage compressor
refrigerant
compressor means
compressors
Prior art date
Application number
NZ210800A
Other languages
English (en)
Inventor
D N Shaw
Original Assignee
Copeland Corp
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 Copeland Corp filed Critical Copeland Corp
Publication of NZ210800A publication Critical patent/NZ210800A/en

Links

Classifications

    • 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
    • F25B5/00Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/02Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
    • 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
    • F25B1/00Compression machines, plants or systems with non-reversible cycle
    • F25B1/10Compression machines, plants or systems with non-reversible cycle with multi-stage compression
    • 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
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • F25B41/24Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
    • 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
    • F25B2400/00General 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
    • F25B2400/07Details of compressors or related parts
    • F25B2400/075Details of compressors or related parts with parallel compressors
    • 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
    • F25B2400/00General 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
    • F25B2400/13Economisers
    • 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
    • F25B2400/00General 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
    • F25B2400/16Receivers
    • 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
    • F25B2400/00General 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
    • F25B2400/22Refrigeration systems for supermarkets
    • 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
    • F25B2600/00Control issues
    • F25B2600/02Compressor control
    • F25B2600/021Inverters therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Air Conditioning Control Device (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)
NZ210800A 1984-01-11 1985-01-10 Refrigeration system with two compression stages and refrigerant subcooler NZ210800A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56988684A 1984-01-11 1984-01-11

Publications (1)

Publication Number Publication Date
NZ210800A true NZ210800A (en) 1987-07-31

Family

ID=24277298

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ210800A NZ210800A (en) 1984-01-11 1985-01-10 Refrigeration system with two compression stages and refrigerant subcooler

Country Status (13)

Country Link
JP (1) JPS60159561A (da)
AU (1) AU587173B2 (da)
BR (1) BR8500106A (da)
CA (1) CA1242086A (da)
DE (1) DE3500800A1 (da)
DK (1) DK9885A (da)
ES (1) ES539449A0 (da)
FR (1) FR2557962B1 (da)
GB (1) GB2152649B (da)
IT (1) IT1212109B (da)
MX (1) MX161408A (da)
NZ (1) NZ210800A (da)
ZA (1) ZA8562B (da)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4748820A (en) * 1984-01-11 1988-06-07 Copeland Corporation Refrigeration system
US4787211A (en) * 1984-07-30 1988-11-29 Copeland Corporation Refrigeration system
US4938029A (en) * 1989-07-03 1990-07-03 Carrier Corporation Unloading system for two-stage compressors
ES2092424B1 (es) * 1992-09-16 1997-07-01 Ornaque Carlos Gutierrez Sistema frigorifico de seguridad por bloque mixto.
DE19529763A1 (de) * 1995-08-12 1997-02-13 Ruediger Piepenhagen Kälteerzeugungseinrichtung
JP2985882B1 (ja) * 1998-08-21 1999-12-06 ダイキン工業株式会社 二重管式熱交換器
JP2003207248A (ja) * 2002-01-15 2003-07-25 Toshiba Corp 冷蔵庫
JP3953871B2 (ja) * 2002-04-15 2007-08-08 サンデン株式会社 冷凍空調装置
JP3951799B2 (ja) * 2002-05-14 2007-08-01 株式会社デンソー 可変容量型圧縮機の制御装置
FR2864609B1 (fr) * 2003-12-29 2006-12-22 Patrice Saillard Installation thermique a configuration multiple, et echangeur adapte a cette installation.
JP2008025905A (ja) * 2006-07-20 2008-02-07 Daikin Ind Ltd 冷凍装置
JP4245023B2 (ja) * 2006-09-11 2009-03-25 ダイキン工業株式会社 冷凍装置
WO2009086493A2 (en) * 2007-12-28 2009-07-09 Johnson Controls Technology Company Vapor compression system
JP5040907B2 (ja) * 2008-09-30 2012-10-03 ダイキン工業株式会社 冷凍装置
JP5402164B2 (ja) * 2009-03-31 2014-01-29 株式会社富士通ゼネラル 冷凍サイクル装置
KR20110004152A (ko) * 2009-07-07 2011-01-13 엘지전자 주식회사 공기조화기
JP6643632B2 (ja) * 2016-03-10 2020-02-12 パナソニックIpマネジメント株式会社 空気調和装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2386198A (en) * 1944-02-08 1945-10-09 Gen Electric Multistage refrigerating system
US2677944A (en) * 1950-12-01 1954-05-11 Alonzo W Ruff Plural stage refrigeration apparatus
FR1056197A (fr) * 1952-01-09 1954-02-24 Anciens Ets Brissonneau & Lotz Installation frigorifique perfectionnée à deux étages de compression
US3238738A (en) * 1964-02-12 1966-03-08 Robert C Webber Two-stage refrigeration system with by-pass means
US3759052A (en) * 1972-02-28 1973-09-18 Maekawa Seisakusho Kk Method of controlling high stage and low stage compressors
JPS5223402B2 (da) * 1973-10-12 1977-06-24
US4033738A (en) * 1976-03-12 1977-07-05 Westinghouse Electric Corporation Heat pump system with multi-stage centrifugal compressors
US4060997A (en) * 1976-03-31 1977-12-06 Application Engineering Corporation Water chiller control
US4245476A (en) * 1979-01-02 1981-01-20 Dunham-Bush, Inc. Solar augmented heat pump system with automatic staging reciprocating compressor
US4325223A (en) * 1981-03-16 1982-04-20 Cantley Robert J Energy management system for refrigeration systems
US4332144A (en) * 1981-03-26 1982-06-01 Shaw David N Bottoming cycle refrigerant scavenging for positive displacement compressor, refrigeration and heat pump systems
FR2513747A1 (fr) * 1981-09-25 1983-04-01 Satam Brandt Froid Installation frigorifique a multimotocompresseurs
NL188479C (nl) * 1982-01-28 1992-07-01 Marinus Wilhelmus Matheus Avon Koelinrichting.

Also Published As

Publication number Publication date
FR2557962B1 (fr) 1990-08-31
GB2152649B (en) 1987-02-18
CA1242086A (en) 1988-09-20
ES8602237A1 (es) 1985-11-01
BR8500106A (pt) 1985-08-20
IT8519070A0 (it) 1985-01-10
AU587173B2 (en) 1989-08-10
FR2557962A1 (fr) 1985-07-12
MX161408A (es) 1990-09-21
GB8500339D0 (en) 1985-02-13
JPS60159561A (ja) 1985-08-21
DK9885D0 (da) 1985-01-09
GB2152649A (en) 1985-08-07
IT1212109B (it) 1989-11-08
JPH0563703B2 (da) 1993-09-13
DK9885A (da) 1985-07-12
AU3739985A (en) 1985-07-18
ZA8562B (en) 1985-09-25
DE3500800A1 (de) 1985-07-18
ES539449A0 (es) 1985-11-01

Similar Documents

Publication Publication Date Title
US4594858A (en) Highly efficient flexible two-stage refrigeration system
NZ210800A (en) Refrigeration system with two compression stages and refrigerant subcooler
JP2614702B2 (ja) 2ステージ型冷凍装置の制御装置および制御方法
US4787211A (en) Refrigeration system
CA1040445A (en) Heat pump with high efficiency reversible helical screw rotary compressor
KR0184653B1 (ko) 다단 압축기의 용량 제어 방법
KR100757592B1 (ko) 공조용 히트 펌프
US4947655A (en) Refrigeration system
EP0845642B1 (en) A refrigeration system employing a compressor for single or multi-stage operation with capacity control
US5062274A (en) Unloading system for two compressors
EP2446200B1 (en) Low ambient operating procedure for cooling systems with high efficiency condensers
US5570585A (en) Universal cooling system automatically configured to operate in compound or single compressor mode
KR100865093B1 (ko) 공기조화 시스템
EP2135015B1 (en) Compression system and air conditioning system
CA2536757A1 (en) Boosted air source heat pump
JPH0833251B2 (ja) 冷却装置及び冷却方法
US20100031677A1 (en) Refrigerant system with variable capacity expander
US3238738A (en) Two-stage refrigeration system with by-pass means
JP3152454B2 (ja) 二段圧縮式冷凍装置
US20040103676A1 (en) Method for controlling cooling/heating of heat pump system
JP3321192B2 (ja) 冷凍回路
JP3188989B2 (ja) 空気調和機
EP2357431A1 (en) Variable capacity refrigeration system
GB1600760A (en) Solar augmented heat pump system with automatic staging reciprocating compressor
US2887857A (en) Jet pumps in refrigeration system