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
Authority: NZ; New Zealand
Prior art keywords: stage; stage compressor; refrigerant; compressor means; compressors
Prior art date: 1984-01-11

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.)

1984-01-11

Filing date

1985-01-10

Publication date

1987-07-31

1985-01-10 Application filed by Copeland Corp filed Critical Copeland Corp

1987-07-31 Publication of NZ210800A publication Critical patent/NZ210800A/en

Links

239000003507 refrigerant Substances 0.000 title claims description 36
238000005057 refrigeration Methods 0.000 title claims description 27
230000006835 compression Effects 0.000 title description 2
238000007906 compression Methods 0.000 title description 2
239000007788 liquid Substances 0.000 description 6
238000001704 evaporation Methods 0.000 description 5
230000000694 effects Effects 0.000 description 3
239000012530 fluid Substances 0.000 description 3
230000001351 cycling effect Effects 0.000 description 2
238000010586 diagram Methods 0.000 description 2
230000006698 induction Effects 0.000 description 2
230000000630 rising effect Effects 0.000 description 2
239000007787 solid Substances 0.000 description 2
238000004378 air conditioning Methods 0.000 description 1
230000000740 bleeding effect Effects 0.000 description 1
238000001816 cooling Methods 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
238000000034 method Methods 0.000 description 1
238000009877 rendering Methods 0.000 description 1
238000009834 vaporization Methods 0.000 description 1
230000008016 vaporization Effects 0.000 description 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
- 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
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
- 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
- F25B2400/16—Receivers
- 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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient 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)
Separation By Low-Temperature Treatments (AREA)
Devices That Are Associated With Refrigeration Equipment (AREA)
Control Of Positive-Displacement Air Blowers (AREA)
Structures Of Non-Positive Displacement Pumps (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)	ES8602237A1 (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.

1985
- 1985-01-03 ZA ZA8562A patent/ZA8562B/xx unknown
- 1985-01-07 GB GB08500339A patent/GB2152649B/en not_active Expired
- 1985-01-08 CA CA000471641A patent/CA1242086A/en not_active Expired
- 1985-01-08 AU AU37399/85A patent/AU587173B2/en not_active Ceased
- 1985-01-09 DK DK9885A patent/DK9885A/da not_active Application Discontinuation
- 1985-01-10 NZ NZ210800A patent/NZ210800A/en unknown
- 1985-01-10 JP JP60002623A patent/JPS60159561A/ja active Granted
- 1985-01-10 MX MX204009A patent/MX161408A/es unknown
- 1985-01-10 IT IT8519070A patent/IT1212109B/it active
- 1985-01-10 BR BR8500106A patent/BR8500106A/pt not_active IP Right Cessation
- 1985-01-10 ES ES539449A patent/ES8602237A1/es not_active Expired
- 1985-01-11 FR FR858500380A patent/FR2557962B1/fr not_active Expired - Lifetime
- 1985-01-11 DE DE19853500800 patent/DE3500800A1/de not_active Ceased

Also Published As

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

Publication	Publication Date	Title
US4594858A (en)	1986-06-17	Highly efficient flexible two-stage refrigeration system
NZ210800A (en)	1987-07-31	Refrigeration system with two compression stages and refrigerant subcooler
JP2614702B2 (ja)	1997-05-28	２ステージ型冷凍装置の制御装置および制御方法
US4787211A (en)	1988-11-29	Refrigeration system
CA1040445A (en)	1978-10-17	Heat pump with high efficiency reversible helical screw rotary compressor
KR0184653B1 (ko)	1999-05-01	다단 압축기의 용량 제어 방법
KR100757592B1 (ko)	2007-09-10	공조용 히트 펌프
US4947655A (en)	1990-08-14	Refrigeration system
EP0845642B1 (en)	2003-05-21	A refrigeration system employing a compressor for single or multi-stage operation with capacity control
US5062274A (en)	1991-11-05	Unloading system for two compressors
US5570585A (en)	1996-11-05	Universal cooling system automatically configured to operate in compound or single compressor mode
EP2446200B1 (en)	2018-09-19	Low ambient operating procedure for cooling systems with high efficiency condensers
EP2135015B1 (en)	2015-11-11	Compression system and air conditioning system
CA2536757C (en)	2012-03-13	Boosted air source heat pump
US20100031677A1 (en)	2010-02-11	Refrigerant system with variable capacity expander
JPH0833251B2 (ja)	1996-03-29	冷却装置及び冷却方法
US3238738A (en)	1966-03-08	Two-stage refrigeration system with by-pass means
JP3152454B2 (ja)	2001-04-03	二段圧縮式冷凍装置
US20040103676A1 (en)	2004-06-03	Method for controlling cooling/heating of heat pump system
JP3321192B2 (ja)	2002-09-03	冷凍回路
JP3188989B2 (ja)	2001-07-16	空気調和機
GB1600760A (en)	1981-10-21	Solar augmented heat pump system with automatic staging reciprocating compressor
EP2357431A1 (en)	2011-08-17	Variable capacity refrigeration system
US2887857A (en)	1959-05-26	Jet pumps in refrigeration system
AU663873B2 (en)	1995-10-26	Refrigeration system