DE69421901D1 - Verfahren und vorrichtung zum steuern eines entspannungsventils - Google Patents

Verfahren und vorrichtung zum steuern eines entspannungsventils

Info

Publication number
DE69421901D1
DE69421901D1 DE69421901T DE69421901T DE69421901D1 DE 69421901 D1 DE69421901 D1 DE 69421901D1 DE 69421901 T DE69421901 T DE 69421901T DE 69421901 T DE69421901 T DE 69421901T DE 69421901 D1 DE69421901 D1 DE 69421901D1
Authority
DE
Germany
Prior art keywords
controlling
relaxation valve
relaxation
valve
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
DE69421901T
Other languages
English (en)
Other versions
DE69421901T2 (de
Inventor
Richard Kenyon
Sandra Harper
Roy Yabuki
Chester Campbell
Alan Matthies
Michael Nolan
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.)
Parker Hannifin Corp
Original Assignee
Parker Hannifin 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 Parker Hannifin Corp filed Critical Parker Hannifin Corp
Priority claimed from PCT/US1994/000568 external-priority patent/WO1994017346A1/en
Publication of DE69421901D1 publication Critical patent/DE69421901D1/de
Application granted granted Critical
Publication of DE69421901T2 publication Critical patent/DE69421901T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3225—Cooling devices using compression characterised by safety arrangements, e.g. compressor anti-seizure means or by signalling devices
    • 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
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • 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
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • F25B41/345—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators by solenoids
    • 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
    • F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
    • F25B2341/06—Details of flow restrictors or expansion valves
    • F25B2341/068—Expansion valves combined with a sensor
    • F25B2341/0683—Expansion valves combined with a sensor the sensor is disposed in the suction line and influenced by the temperature or the pressure of the suction gas
    • 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
    • F25B2600/11—Fan speed control
    • F25B2600/111—Fan speed control of condenser fans
    • 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
    • F25B2600/11—Fan speed control
    • F25B2600/112—Fan speed control of evaporator fans
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00—Refrigeration
    • Y10S62/17—Condenser pressure control

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Air Conditioning Control Device (AREA)
DE69421901T 1993-01-19 1994-01-18 Verfahren und vorrichtung zum steuern eines entspannungsventils Expired - Fee Related DE69421901T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/005,606 US5289692A (en) 1993-01-19 1993-01-19 Apparatus and method for mass flow control of a working fluid
PCT/US1994/000568 WO1994017346A1 (en) 1993-01-19 1994-01-18 System for controlling flow of working fluids

Publications (2)

Publication Number Publication Date
DE69421901D1 true DE69421901D1 (de) 2000-01-05
DE69421901T2 DE69421901T2 (de) 2000-03-30

Family

ID=21716723

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69421901T Expired - Fee Related DE69421901T2 (de) 1993-01-19 1994-01-18 Verfahren und vorrichtung zum steuern eines entspannungsventils

Country Status (5)

Country Link
US (1) US5289692A (de)
EP (1) EP0680589B1 (de)
CA (1) CA2154260A1 (de)
DE (1) DE69421901T2 (de)
ES (1) ES2139069T3 (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1994017346A1 (en) * 1993-01-19 1994-08-04 Parker-Hannifin Corporation System for controlling flow of working fluids
US5551248A (en) * 1995-02-03 1996-09-03 Heatcraft Inc. Control apparatus for space cooling system
US5877476A (en) 1996-09-30 1999-03-02 Parker-Hannifin Corp. Apparatus and method for mass flow control of a working fluid
US6092378A (en) * 1997-12-22 2000-07-25 Carrier Corporation Vapor line pressure control
US6170277B1 (en) * 1999-01-19 2001-01-09 Carrier Corporation Control algorithm for maintenance of discharge pressure
US6321564B1 (en) * 1999-03-15 2001-11-27 Denso Corporation Refrigerant cycle system with expansion energy recovery
US6321543B1 (en) * 2000-03-15 2001-11-27 Carrier Corporation Method for protecting compressors used in chillers and/or heat pumps
US6318100B1 (en) * 2000-04-14 2001-11-20 Carrier Corporation Integrated electronic refrigerant management system
US6378328B1 (en) * 2000-04-24 2002-04-30 Ranco Incorporated Blow-off orifice tube
US6460354B2 (en) 2000-11-30 2002-10-08 Parker-Hannifin Corporation Method and apparatus for detecting low refrigerant charge
US6530236B2 (en) 2001-04-20 2003-03-11 York International Corporation Method and apparatus for controlling the removal of heat from the condenser in a refrigeration system
US6663358B2 (en) 2001-06-11 2003-12-16 Bristol Compressors, Inc. Compressors for providing automatic capacity modulation and heat exchanging system including the same
KR20020097359A (ko) * 2001-06-20 2002-12-31 현대자동차주식회사 자동차용 에어컨 제어 시스템 및 그 방법
DE10217975B4 (de) * 2002-04-22 2004-08-19 Danfoss A/S Verfahren zum Entdecken von Änderungen in einem ersten Medienstrom eines Wärme- oder Kältetransportmediums in einer Kälteanlage
DE10217974B4 (de) * 2002-04-22 2004-09-16 Danfoss A/S Verfahren zum Auswerten einer nicht gemessenen Betriebsgröße in einer Kälteanlage
WO2004005812A1 (en) * 2002-07-08 2004-01-15 Danfoss A/S A method and a device for detecting flash gas
WO2004036170A1 (en) * 2002-10-15 2004-04-29 Danfoss A/S A method and a device for detecting an abnormality of a heat exchanger, and the use of such a device
DE10303782B4 (de) * 2003-01-31 2016-10-13 Gea Grasso Gmbh Einspritzregelung am Kältemittelverdampfer
US7096683B2 (en) * 2003-09-12 2006-08-29 Ford Global Technologies, Llc Vehicle cooling system
JPWO2005038364A1 (ja) * 2003-10-17 2007-11-22 ホシザキ電機株式会社 冷却貯蔵庫及び冷却用機器
US7159408B2 (en) * 2004-07-28 2007-01-09 Carrier Corporation Charge loss detection and prognostics for multi-modular split systems
JP3988780B2 (ja) * 2005-09-09 2007-10-10 ダイキン工業株式会社 冷凍装置
DE102007034821A1 (de) * 2007-07-26 2009-01-29 Ford Global Technologies, LLC, Dearborn Klimaanlage für ein Kraftfahrzeug sowie Verfahren zu deren Betrieb
US20130186110A1 (en) * 2011-07-14 2013-07-25 Sastry Pamidi Auxiliary Cryogenic Cooling Systems Based on Commercial Cryo-Coolers
US9874380B2 (en) 2012-06-25 2018-01-23 Rheem Manufacturing Company Apparatus and methods for controlling an electronic expansion valve in a refrigerant circuit
US9453661B2 (en) * 2013-03-12 2016-09-27 Haier US Appliance Solutions, Inc Control system for a dual evaporator refrigeration system
US9809088B2 (en) 2013-06-07 2017-11-07 Caterpillar Inc. Controlling HVAC speed of condenser fans using pressure sensors
US10451324B2 (en) * 2014-05-30 2019-10-22 Mitsubishi Electric Corporation Air-conditioning apparatus
TWI630361B (zh) * 2015-02-13 2018-07-21 旺矽科技股份有限公司 用於冷卻工作流體之適應性溫度控制系統
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
EP3660419A1 (de) 2018-11-29 2020-06-03 Danfoss A/S Kühlsystem für effizienten betrieb
CN112344603B (zh) * 2020-10-27 2021-11-05 珠海格力电器股份有限公司 电子膨胀阀的控制电路及控制方法、空调器
CN113787883B (zh) * 2021-09-07 2023-03-24 安徽江淮汽车集团股份有限公司 一种空调系统及车辆
CN114087741B (zh) * 2021-11-29 2022-11-22 珠海格力电器股份有限公司 电子节流元件的控制方法、装置、存储介质与空调器

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3478534A (en) * 1967-08-11 1969-11-18 Controls Co Of America Thermistor controlled refrigeration expansion valve
US3744267A (en) * 1972-03-15 1973-07-10 Borg Warner Liquid level protection system for refrigeration compressor
US4167858A (en) * 1976-10-27 1979-09-18 Nippondenso Co., Ltd. Refrigerant deficiency detecting apparatus
US5035119A (en) * 1984-08-08 1991-07-30 Alsenz Richard H Apparatus for monitoring solenoid expansion valve flow rates
JPS6172964A (ja) * 1984-09-14 1986-04-15 株式会社デンソー 冷凍サイクル制御装置
JPH0754207B2 (ja) * 1986-11-25 1995-06-07 日本電装株式会社 冷凍サイクル装置
US4794762A (en) * 1987-01-27 1989-01-03 Eaton Corporation Refrigerant flow control system
US4848100A (en) * 1987-01-27 1989-07-18 Eaton Corporation Controlling refrigeration
US4841734A (en) * 1987-11-12 1989-06-27 Eaton Corporation Indicating refrigerant liquid saturation point
US4790145A (en) * 1987-11-13 1988-12-13 Eaton Corporation Superheat control of air conditioning system incorporating fuel cooler
US4835976A (en) * 1988-03-14 1989-06-06 Eaton Corporation Controlling superheat in a refrigeration system
US4944160A (en) * 1990-01-31 1990-07-31 Eaton Corporation Thermostatic expansion valve with electronic controller
US4993231A (en) * 1990-03-02 1991-02-19 Eaton Corporation Thermostatic expansion valve with electronic controller
JP2654222B2 (ja) * 1990-03-07 1997-09-17 三菱電機株式会社 冷暖混在形マルチ冷凍サイクル
US5144814A (en) * 1991-03-26 1992-09-08 Eaton Corporation Thermistor calibration

Also Published As

Publication number Publication date
EP0680589A1 (de) 1995-11-08
EP0680589B1 (de) 1999-12-01
DE69421901T2 (de) 2000-03-30
ES2139069T3 (es) 2000-02-01
US5289692A (en) 1994-03-01
CA2154260A1 (en) 1994-08-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee