DK2198214T3 - Refrigerant circuits and method for handling oil therein - Google Patents

Refrigerant circuits and method for handling oil therein

Info

Publication number
DK2198214T3
DK2198214T3 DK07818565.9T DK07818565T DK2198214T3 DK 2198214 T3 DK2198214 T3 DK 2198214T3 DK 07818565 T DK07818565 T DK 07818565T DK 2198214 T3 DK2198214 T3 DK 2198214T3
Authority
DK
Denmark
Prior art keywords
circuit
low pressure
oil
sub
higher pressure
Prior art date
Application number
DK07818565.9T
Other languages
Danish (da)
Inventor
Peter Leweke
Christian Douven
Original Assignee
Carrier 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 Carrier Corp filed Critical Carrier Corp
Application granted granted Critical
Publication of DK2198214T3 publication Critical patent/DK2198214T3/en

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
    • F25B31/00—Compressor arrangements
    • F25B31/002—Lubrication
    • F25B31/004—Lubrication oil recirculating arrangements
    • 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
    • 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
    • F25B2400/07—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
    • F25B2500/00—Problems to be solved
    • F25B2500/16—Lubrication
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Organic Insulating Materials (AREA)

Abstract

Refrigerant circuit (2) comprising a low pressure compressor unit (38) having a low pressure refrigerant outlet (42) in a low pressure sub-circuit (4) and a higher pressure compressor unit (8) having a higher pressure refrigerant inlet (12) in a higher pressure sub-circuit (6), wherein the low pressure refrigerant outlet (42) and the higher pressure refrigerant inlet (12) are fluidly connected with each other, further comprising an oil reservoir (56) connected by a low pressure oil inlet conduit (54) to the low pressure sub-circuit (4) for receiving oil therefrom and connected via an oil discharge (62) to the higher pressure sub-circuit (6).
DK07818565.9T 2007-09-28 2007-09-28 Refrigerant circuits and method for handling oil therein DK2198214T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2007/008485 WO2009039873A1 (en) 2007-09-28 2007-09-28 Refrigerant circuit and method for managing oil therein

Publications (1)

Publication Number Publication Date
DK2198214T3 true DK2198214T3 (en) 2011-06-27

Family

ID=39166345

Family Applications (1)

Application Number Title Priority Date Filing Date
DK07818565.9T DK2198214T3 (en) 2007-09-28 2007-09-28 Refrigerant circuits and method for handling oil therein

Country Status (8)

Country Link
US (1) US20100251736A1 (en)
EP (1) EP2198214B1 (en)
CN (1) CN101809384B (en)
AT (1) ATE501405T1 (en)
DE (1) DE602007013119D1 (en)
DK (1) DK2198214T3 (en)
NO (1) NO20100598L (en)
WO (1) WO2009039873A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101166621B1 (en) * 2009-12-24 2012-07-18 엘지전자 주식회사 Air conditioner and method of controlling the same
WO2011101029A1 (en) * 2010-02-17 2011-08-25 Carrier Corporation Refrigeration system and method for balancing the oil levels between compressors of a refrigeration system
WO2012095186A1 (en) * 2011-01-14 2012-07-19 Carrier Corporation Refrigeration system and method for operating a refrigeration system
KR101777656B1 (en) * 2012-11-29 2017-09-13 존슨 컨트롤스 테크놀러지 컴퍼니 Pressure control for refrigerant system
DE102013014543A1 (en) * 2013-09-03 2015-03-05 Stiebel Eltron Gmbh & Co. Kg heat pump device
EP3023712A1 (en) * 2014-11-19 2016-05-25 Danfoss A/S A method for controlling a vapour compression system with a receiver
US9939179B2 (en) * 2015-12-08 2018-04-10 Bitzer Kuehlmaschinenbau Gmbh Cascading oil distribution system
EP3628940B1 (en) 2018-09-25 2022-04-20 Danfoss A/S A method for controlling a vapour compression system based on estimated flow
PL3628942T3 (en) 2018-09-25 2021-10-04 Danfoss A/S A method for controlling a vapour compression system at a reduced suction pressure
EP3742069B1 (en) * 2019-05-21 2024-03-20 Carrier Corporation Refrigeration apparatus and use thereof
CN113503653B (en) * 2021-08-04 2022-05-06 珠海格力电器股份有限公司 Multi-compressor refrigeration system and air conditioner

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633377A (en) * 1969-04-11 1972-01-11 Lester K Quick Refrigeration system oil separator
US3500962A (en) * 1969-05-01 1970-03-17 Vilter Manufacturing Corp Lubrication system for compressors
JPS57168082A (en) * 1981-04-10 1982-10-16 Hitachi Ltd Refrigerator
US4589263A (en) * 1984-04-12 1986-05-20 Hussmann Corporation Multiple compressor oil system
US5016447A (en) * 1990-05-02 1991-05-21 Carrier Corporation Oil return for a two-stage compressor having interstage cooling
US5361594A (en) * 1991-03-11 1994-11-08 Young Robert E Refrigeration recovery and purification
US5265432A (en) * 1992-09-02 1993-11-30 American Standard Inc. Oil purifying device for use with a refrigeration system
DK4093A (en) * 1993-01-14 1994-09-12 Birton As Installations for the return of lubricating oil in refrigeration compressors
US5321956A (en) * 1993-05-26 1994-06-21 Kemp Industrial Refrigeration, Inc. Oil management and removal system for a refrigeration installation
US5522233A (en) * 1994-12-21 1996-06-04 Carrier Corporation Makeup oil system for first stage oil separation in booster system
US6263694B1 (en) * 2000-04-20 2001-07-24 James G. Boyko Compressor protection device for refrigeration systems
DE10357556A1 (en) * 2003-12-10 2005-07-14 Linde Kältetechnik GmbH & Co. KG Composite (cold) plant and method for operating a composite (cold) plant
JP3939314B2 (en) * 2004-06-10 2007-07-04 三星電子株式会社 Air conditioner and oil equalizing operation method thereof
WO2006025530A1 (en) * 2004-09-02 2006-03-09 Daikin Industries, Ltd. Refrigerating apparatus
CN200943971Y (en) * 2006-08-01 2007-09-05 北京市京科伦冷冻设备有限公司 Refrigerating unit structure

Also Published As

Publication number Publication date
WO2009039873A1 (en) 2009-04-02
ATE501405T1 (en) 2011-03-15
CN101809384A (en) 2010-08-18
US20100251736A1 (en) 2010-10-07
NO20100598L (en) 2010-06-28
CN101809384B (en) 2012-12-12
DE602007013119D1 (en) 2011-04-21
EP2198214B1 (en) 2011-03-09
EP2198214A1 (en) 2010-06-23

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