DE69837031D1 - Drucksteuerung einer Dampfleitung - Google Patents

Drucksteuerung einer Dampfleitung

Info

Publication number
DE69837031D1
DE69837031D1 DE69837031T DE69837031T DE69837031D1 DE 69837031 D1 DE69837031 D1 DE 69837031D1 DE 69837031 T DE69837031 T DE 69837031T DE 69837031 T DE69837031 T DE 69837031T DE 69837031 D1 DE69837031 D1 DE 69837031D1
Authority
DE
Germany
Prior art keywords
pressure control
steam line
steam
line
pressure
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.)
Expired - Fee Related
Application number
DE69837031T
Other languages
English (en)
Other versions
DE69837031T2 (de
Inventor
Sathish R Das
Don A Schuster
Larry J Burkhart
Ronald G Butcher
Timothy J Perry
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.)
Carrier Corp
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 DE69837031D1 publication Critical patent/DE69837031D1/de
Publication of DE69837031T2 publication Critical patent/DE69837031T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/87Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
    • F24F11/871Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/89Arrangement or mounting of control or safety devices
    • 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
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/02Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • 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
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/002Defroster control
    • 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
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/02Detecting the presence of frost or condensate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00Control inputs relating to system states
    • F24F2140/10Pressure
    • F24F2140/12Heat-exchange fluid pressure
    • 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
    • F25B2313/00Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/029Control issues
    • F25B2313/0292Control issues related to reversing valves
    • 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
    • F25B2313/00Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/029Control issues
    • F25B2313/0294Control issues related to the outdoor fan, e.g. controlling speed
    • 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
    • F25B2313/00Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/031Sensor arrangements
    • F25B2313/0314Temperature sensors near the indoor heat exchanger
    • 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
    • F25B2313/00Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/031Sensor arrangements
    • F25B2313/0315Temperature sensors near the outdoor heat exchanger
    • 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
    • F25B2400/18Refrigerant conversion
    • 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
    • F25B2600/025Compressor control by controlling speed
    • 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
    • F25B2600/11Fan speed control
    • F25B2600/111Fan speed control of condenser fans
    • 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
    • F25B2600/23Time delays
    • 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
    • F25B2700/00Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19Pressures
    • 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
    • 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00Refrigeration
    • Y10S62/17Condenser pressure control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air Conditioning Control Device (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
DE69837031T 1997-12-22 1998-12-04 Drucksteuerung einer Dampfleitung Expired - Fee Related DE69837031T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/995,624 US6092378A (en) 1997-12-22 1997-12-22 Vapor line pressure control
US995624 1997-12-22

Publications (2)

Publication Number Publication Date
DE69837031D1 true DE69837031D1 (de) 2007-03-22
DE69837031T2 DE69837031T2 (de) 2007-06-28

Family

ID=25542028

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69837031T Expired - Fee Related DE69837031T2 (de) 1997-12-22 1998-12-04 Drucksteuerung einer Dampfleitung

Country Status (6)

Country Link
US (3) US6092378A (de)
EP (1) EP0924480B1 (de)
JP (1) JP3051382B2 (de)
KR (1) KR100320699B1 (de)
DE (1) DE69837031T2 (de)
ES (1) ES2277377T3 (de)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6092378A (en) * 1997-12-22 2000-07-25 Carrier Corporation Vapor line pressure control
JP2001050599A (ja) * 1999-07-28 2001-02-23 Johnson Controls Technol Co ファン速度空冷凝縮器を高機能制御する装置および方法
US20020035845A1 (en) * 1999-10-22 2002-03-28 David Smolinsky Heating and refrigeration systems using refrigerant mass flow
KR20020076185A (ko) * 2001-03-27 2002-10-09 코우프랜드코포레이션 압축기 진단 시스템
US6615594B2 (en) 2001-03-27 2003-09-09 Copeland Corporation Compressor diagnostic system
KR20020031367A (ko) * 2002-03-26 2002-05-01 윤대성 외기의 엔탈피를 이용한 공기조화기
US6735964B2 (en) * 2002-06-05 2004-05-18 Carrier Corporation Air conditioning system with refrigerant charge management
US8463441B2 (en) 2002-12-09 2013-06-11 Hudson Technologies, Inc. Method and apparatus for optimizing refrigeration systems
US7832220B1 (en) * 2003-01-14 2010-11-16 Earth To Air Systems, Llc Deep well direct expansion heating and cooling system
US7578140B1 (en) * 2003-03-20 2009-08-25 Earth To Air Systems, Llc Deep well/long trench direct expansion heating/cooling system
KR100557039B1 (ko) 2003-10-16 2006-03-03 엘지전자 주식회사 에어컨 제어방법
US6968708B2 (en) * 2003-06-23 2005-11-29 Carrier Corporation Refrigeration system having variable speed fan
EP1768237A3 (de) * 2003-12-30 2007-08-29 Emerson Climate Technologies, Inc. Verdichterschutz- und Kontroll-System
US7412842B2 (en) 2004-04-27 2008-08-19 Emerson Climate Technologies, Inc. Compressor diagnostic and protection system
US7856839B2 (en) * 2004-06-22 2010-12-28 Earth To Air Systems, Llc Direct exchange geothermal heating/cooling system sub-surface tubing installation with supplemental sub-surface tubing configuration
US7275377B2 (en) 2004-08-11 2007-10-02 Lawrence Kates Method and apparatus for monitoring refrigerant-cycle systems
US7841383B2 (en) * 2005-09-30 2010-11-30 Earth To Air Systems, Llc Encasement assembly for installation of sub-surface refrigerant tubing in a direct exchange heating/cooling system
JP4270274B2 (ja) * 2006-03-31 2009-05-27 ダイキン工業株式会社 室外機
US8590325B2 (en) 2006-07-19 2013-11-26 Emerson Climate Technologies, Inc. Protection and diagnostic module for a refrigeration system
US20080216494A1 (en) 2006-09-07 2008-09-11 Pham Hung M Compressor data module
BRPI0806799A2 (pt) * 2007-01-18 2011-09-13 Earth To Air Systems Llc sistema de aquecimento/resfriamento geotérmico por troca direta
US20080190131A1 (en) * 2007-02-09 2008-08-14 Lennox Manufacturing., Inc. A Corporation Of Delaware Method and apparatus for removing ice from outdoor housing for an environmental conditioning unit
KR100781881B1 (ko) * 2007-03-30 2007-12-05 유종이 공기조화기의 실외기팬 속도 제어시스템 및 제어방법
WO2009012323A2 (en) * 2007-07-16 2009-01-22 Earth To Air Systems, Llc Direct exchange heating/cooling system
US20090037142A1 (en) 2007-07-30 2009-02-05 Lawrence Kates Portable method and apparatus for monitoring refrigerant-cycle systems
US8393169B2 (en) 2007-09-19 2013-03-12 Emerson Climate Technologies, Inc. Refrigeration monitoring system and method
US8109110B2 (en) * 2007-10-11 2012-02-07 Earth To Air Systems, Llc Advanced DX system design improvements
US8160827B2 (en) 2007-11-02 2012-04-17 Emerson Climate Technologies, Inc. Compressor sensor module
US9140728B2 (en) 2007-11-02 2015-09-22 Emerson Climate Technologies, Inc. Compressor sensor module
US20090120606A1 (en) * 2007-11-08 2009-05-14 Earth To Air, Llc Double DX Hydronic System
US8082751B2 (en) * 2007-11-09 2011-12-27 Earth To Air Systems, Llc DX system with filtered suction line, low superheat, and oil provisions
US8468842B2 (en) * 2008-04-21 2013-06-25 Earth To Air Systems, Llc DX system having heat to cool valve
US8402780B2 (en) * 2008-05-02 2013-03-26 Earth To Air Systems, Llc Oil return for a direct exchange geothermal heat pump
WO2009140532A2 (en) * 2008-05-14 2009-11-19 Earth To Air Systems, Llc Dx system interior heat exchanger defrost design for heat to cool mode
US20110209848A1 (en) * 2008-09-24 2011-09-01 Earth To Air Systems, Llc Heat Transfer Refrigerant Transport Tubing Coatings and Insulation for a Direct Exchange Geothermal Heating/Cooling System and Tubing Spool Core Size
US8997509B1 (en) 2010-03-10 2015-04-07 B. Ryland Wiggs Frequent short-cycle zero peak heat pump defroster
CN105910247B (zh) 2011-02-28 2018-12-14 艾默生电气公司 住宅解决方案的hvac的监视和诊断
US8964338B2 (en) 2012-01-11 2015-02-24 Emerson Climate Technologies, Inc. System and method for compressor motor protection
US9480177B2 (en) 2012-07-27 2016-10-25 Emerson Climate Technologies, Inc. Compressor protection module
US9310439B2 (en) 2012-09-25 2016-04-12 Emerson Climate Technologies, Inc. Compressor having a control and diagnostic module
US9803902B2 (en) 2013-03-15 2017-10-31 Emerson Climate Technologies, Inc. System for refrigerant charge verification using two condenser coil temperatures
US9638436B2 (en) 2013-03-15 2017-05-02 Emerson Electric Co. HVAC system remote monitoring and diagnosis
US9551504B2 (en) 2013-03-15 2017-01-24 Emerson Electric Co. HVAC system remote monitoring and diagnosis
US9765979B2 (en) 2013-04-05 2017-09-19 Emerson Climate Technologies, Inc. Heat-pump system with refrigerant charge diagnostics
US9328952B2 (en) * 2013-08-14 2016-05-03 Jung-Shen Liao Refrigerating machine having tube-cooled evaporator and air-cooled evaporator
CN103557674B (zh) * 2013-11-12 2016-01-20 台州龙江化工机械科技有限公司 一种用于冷库热制冷剂融霜的安全控制系统
US9939181B2 (en) 2013-12-11 2018-04-10 Trane International Inc. Micro-combined heat and power heat pump defrost procedure
US9759466B2 (en) 2014-03-05 2017-09-12 Lennox Industries Inc. Heat pump system having a maximum percent demand re-calculation algorithm controller
CN105042766B (zh) * 2015-06-29 2017-09-15 美的集团武汉制冷设备有限公司 空调室外风机控制方法及控制装置
US11156394B2 (en) 2018-02-27 2021-10-26 Johnson Controls Technology Company Systems and methods for pressure control in a heating, ventilation, and air conditioning (HVAC) system
US10436529B1 (en) * 2018-08-23 2019-10-08 William T. Holley, Jr. Hydraulic fluid coolers
CN110487020B (zh) * 2019-08-26 2021-03-26 河南新飞制冷器具有限公司 变频冰箱频率控制方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2252300A (en) * 1938-05-07 1941-08-12 Honeywell Regulator Co Refrigeration system
US3004402A (en) * 1960-03-28 1961-10-17 Marley Co Pressure responsive control apparatus for regulating refrigeration equipment
US3354665A (en) * 1966-12-01 1967-11-28 Trane Co Condenser fan speed control
US4406133A (en) * 1980-02-21 1983-09-27 The Trane Company Control and method for defrosting a heat pump outdoor heat exchanger
JPS611945A (ja) * 1984-06-13 1986-01-07 Daikin Ind Ltd 冷凍機
JPS62213634A (ja) * 1986-03-13 1987-09-19 Hitachi Ltd 空気調和機の能力制御装置
JPH01193562A (ja) * 1988-01-29 1989-08-03 Toshiba Corp 空気調和機
JPH0264342A (ja) * 1988-08-30 1990-03-05 Matsushita Seiko Co Ltd 空気調和機
JPH04332352A (ja) * 1991-05-09 1992-11-19 Daikin Ind Ltd 空気調和装置
US5289692A (en) * 1993-01-19 1994-03-01 Parker-Hannifin Corporation Apparatus and method for mass flow control of a working fluid
JPH06323650A (ja) * 1993-05-18 1994-11-25 Hitachi Ltd 年間運転形空冷式チラーユニット
JPH08261547A (ja) * 1995-03-23 1996-10-11 Mitsubishi Heavy Ind Ltd ヒートポンプ式空気調和機
JPH08303883A (ja) * 1995-04-28 1996-11-22 Matsushita Seiko Co Ltd 空気調和機の室外送風機の制御方法
JP3378724B2 (ja) * 1996-04-09 2003-02-17 三洋電機株式会社 空気調和機の除霜制御方法
KR0170597B1 (ko) * 1996-08-31 1999-03-20 배순훈 냉장고 제상 휴지기의 제어방법
US5782101A (en) * 1997-02-27 1998-07-21 Carrier Corporation Heat pump operating in the heating mode refrigerant pressure control
US6092378A (en) * 1997-12-22 2000-07-25 Carrier Corporation Vapor line pressure control

Also Published As

Publication number Publication date
DE69837031T2 (de) 2007-06-28
US6092378A (en) 2000-07-25
ES2277377T3 (es) 2007-07-01
EP0924480B1 (de) 2007-02-07
KR19990063277A (ko) 1999-07-26
US6141978A (en) 2000-11-07
JPH11248281A (ja) 1999-09-14
JP3051382B2 (ja) 2000-06-12
US6354097B1 (en) 2002-03-12
EP0924480A2 (de) 1999-06-23
EP0924480A3 (de) 2002-03-06
KR100320699B1 (ko) 2002-05-13

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8339 Ceased/non-payment of the annual fee