HK1102447A1 - Oil return control in refrigerant system - Google Patents

Oil return control in refrigerant system

Info

Publication number
HK1102447A1
HK1102447A1 HK07106940.1A HK07106940A HK1102447A1 HK 1102447 A1 HK1102447 A1 HK 1102447A1 HK 07106940 A HK07106940 A HK 07106940A HK 1102447 A1 HK1102447 A1 HK 1102447A1
Authority
HK
Hong Kong
Prior art keywords
oil return
return control
refrigerant system
refrigerant
control
Prior art date
Application number
HK07106940.1A
Other languages
English (en)
Inventor
Alexander Lifson
Michael F Taras
Thomas J Dobmeier
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
Publication of HK1102447A1 publication Critical patent/HK1102447A1/xx

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
    • 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
    • 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
    • F25B2400/06—Several compression cycles 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
    • 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
    • F25B2500/15—Hunting, i.e. oscillation of controlled refrigeration variables reaching undesirable values
    • 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
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/026—Compressor control by controlling unloaders
    • F25B2600/0261—Compressor control by controlling unloaders external to the compressor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
HK07106940.1A 2003-12-10 2007-06-28 Oil return control in refrigerant system HK1102447A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/732,501 US6925822B2 (en) 2003-12-10 2003-12-10 Oil return control in refrigerant system
PCT/US2004/041456 WO2005062759A2 (en) 2003-12-10 2004-12-09 Oil return control in refrigerant system

Publications (1)

Publication Number Publication Date
HK1102447A1 true HK1102447A1 (en) 2007-11-23

Family

ID=34652884

Family Applications (1)

Application Number Title Priority Date Filing Date
HK07106940.1A HK1102447A1 (en) 2003-12-10 2007-06-28 Oil return control in refrigerant system

Country Status (5)

Country Link
US (1) US6925822B2 (de)
EP (1) EP1706680A4 (de)
CN (1) CN100443824C (de)
HK (1) HK1102447A1 (de)
WO (1) WO2005062759A2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006062834B4 (de) * 2005-06-30 2016-07-14 Denso Corporation Ejektorkreislaufsystem
US7854136B2 (en) * 2005-08-09 2010-12-21 Carrier Corporation Automated drive for fan and refrigerant system
US20080307813A1 (en) * 2005-12-21 2008-12-18 Carrier Corporation Variable Capacity Multiple Circuit Air Conditioning System
WO2009041942A1 (en) * 2007-09-26 2009-04-02 Carrier Corporation Refrigerant vapor compression system operating at or near zero load
JP5473922B2 (ja) 2007-10-09 2014-04-16 ビーイー・エアロスペース・インコーポレーテッド 熱制御システム
US20100114384A1 (en) * 2008-10-28 2010-05-06 Trak International, Llc Controls for high-efficiency heat pumps
US20110100035A1 (en) * 2009-11-03 2011-05-05 Taras Michael F Two-phase single circuit reheat cycle and method of operation
JP2013108685A (ja) * 2011-11-22 2013-06-06 Fujitsu General Ltd 空気調和機
CN103162469B (zh) * 2011-12-19 2015-01-07 珠海格力电器股份有限公司 空调器的回油控制方法、装置及空调器
EP2690380A1 (de) * 2012-07-26 2014-01-29 Electrolux Home Products Corporation N.V. Vorrichtung mit einer Wärmepumpe und Verfahren zur Bedienung einer Vorrichtung mit der Wärmepumpe
US9080798B2 (en) * 2012-11-07 2015-07-14 Hussmann Corporation Control method for modular refrigerated merchandiser
CN104456840B (zh) * 2014-11-13 2017-06-13 广东美的制冷设备有限公司 喷气增焓型空调及其控制方法
JP6628972B2 (ja) * 2015-03-26 2020-01-15 三菱重工サーマルシステムズ株式会社 空調システムの制御装置、空調システム、空調システムの制御プログラム、及び空調システムの制御方法
CN109419470B (zh) * 2017-08-28 2021-07-23 青岛海尔洗碗机有限公司 一种热泵式洗碗机控制方法及热泵式洗碗机
CN108759174B (zh) * 2018-06-13 2020-01-07 广东美的暖通设备有限公司 多联机系统及多联机系统的回油控制方法、装置
CN111855513A (zh) * 2019-04-29 2020-10-30 中国石油化工股份有限公司 一种用于模拟蜡沉积的实验装置
CN112944743A (zh) * 2019-12-09 2021-06-11 杭州三花研究院有限公司 一种控制方法以及控制系统
CN116034240A (zh) * 2020-09-17 2023-04-28 三菱电机株式会社 制冷循环装置、具有制冷循环装置的空调机、以及制冷循环装置的控制方法
CN116242050A (zh) * 2023-05-12 2023-06-09 广东美的暖通设备有限公司 温控设备、温控设备的回油控制方法以及计算机存储介质

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2180921B (en) * 1985-09-25 1990-01-24 Sanyo Electric Co Refrigeration system
JP2557903B2 (ja) * 1987-09-10 1996-11-27 株式会社東芝 空気調和機
US6213194B1 (en) 1997-07-16 2001-04-10 International Business Machines Corporation Hybrid cooling system for electronics module
US5875637A (en) * 1997-07-25 1999-03-02 York International Corporation Method and apparatus for applying dual centrifugal compressors to a refrigeration chiller unit
US6206652B1 (en) * 1998-08-25 2001-03-27 Copeland Corporation Compressor capacity modulation
US6047556A (en) * 1997-12-08 2000-04-11 Carrier Corporation Pulsed flow for capacity control
US6067482A (en) * 1999-01-08 2000-05-23 Hussmann Corporation Load shifting control system for commercial refrigeration
EP1120611A4 (de) * 1999-07-21 2012-05-23 Daikin Ind Ltd Kühlvorrichtung
WO2002029337A1 (en) * 2000-10-05 2002-04-11 Operon Co., Ltd. Cryogenic refrigerating system
US6860116B2 (en) * 2002-09-18 2005-03-01 Carrier Corporation Performance enhancement of vapor compression systems with multiple circuits
KR20040045090A (ko) * 2002-11-22 2004-06-01 엘지전자 주식회사 다수개의 압축기를 적용한 히트펌프 시스템의 압축기제어방법

Also Published As

Publication number Publication date
WO2005062759A3 (en) 2005-11-10
EP1706680A2 (de) 2006-10-04
WO2005062759A2 (en) 2005-07-14
CN1890512A (zh) 2007-01-03
US20050126193A1 (en) 2005-06-16
EP1706680A4 (de) 2009-09-30
CN100443824C (zh) 2008-12-17
US6925822B2 (en) 2005-08-09

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20121209