GB0420628D0 - Refrigerant leakage sensing system and method - Google Patents

Refrigerant leakage sensing system and method

Info

Publication number
GB0420628D0
GB0420628D0 GBGB0420628.0A GB0420628A GB0420628D0 GB 0420628 D0 GB0420628 D0 GB 0420628D0 GB 0420628 A GB0420628 A GB 0420628A GB 0420628 D0 GB0420628 D0 GB 0420628D0
Authority
GB
United Kingdom
Prior art keywords
sensing system
refrigerant leakage
leakage sensing
refrigerant
sensing
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.)
Withdrawn
Application number
GBGB0420628.0A
Other versions
GB2406174A (en
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of GB0420628D0 publication Critical patent/GB0420628D0/en
Publication of GB2406174A publication Critical patent/GB2406174A/en
Withdrawn legal-status Critical Current

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/002—Investigating fluid-tightness of structures by using thermal means
    • 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
    • F25B49/005—Arrangement or mounting of control or safety devices of safety 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
    • F25B2500/00—Problems to be solved
    • F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
    • F25B2500/222—Detecting refrigerant leaks
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21174—Temperatures of an evaporator of the refrigerant at the inlet of the evaporator
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21175—Temperatures of an evaporator of the refrigerant at the outlet of the evaporator
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/04—Refrigerators with a horizontal mullion

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Air Conditioning Control Device (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Examining Or Testing Airtightness (AREA)
GB0420628A 2003-09-17 2004-09-16 Detection of refrigerant leakage by temperature measurement Withdrawn GB2406174A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020030064577A KR20050028391A (en) 2003-09-17 2003-09-17 A refrigerants leakage sensing system and method

Publications (2)

Publication Number Publication Date
GB0420628D0 true GB0420628D0 (en) 2004-10-20
GB2406174A GB2406174A (en) 2005-03-23

Family

ID=33308407

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0420628A Withdrawn GB2406174A (en) 2003-09-17 2004-09-16 Detection of refrigerant leakage by temperature measurement

Country Status (5)

Country Link
US (1) US20050056031A1 (en)
JP (1) JP2005090953A (en)
KR (1) KR20050028391A (en)
DE (1) DE102004044990A1 (en)
GB (1) GB2406174A (en)

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US7412842B2 (en) 2004-04-27 2008-08-19 Emerson Climate Technologies, Inc. Compressor diagnostic and protection system
US7275377B2 (en) 2004-08-11 2007-10-02 Lawrence Kates Method and apparatus for monitoring refrigerant-cycle systems
DE102006016558A1 (en) * 2006-04-07 2007-10-11 Air Liquide Deutschland Gmbh Method for monitoring the gas-tightness of a cooling system of a refrigerated vehicle and for operating the same and cooling system for a refrigerated vehicle and refrigerated vehicle
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
ES2742529T3 (en) 2006-09-21 2020-02-14 Mitsubishi Electric Corp Air cooling / conditioning system with refrigerant leak detection function, air conditioner / refrigerator and method for detecting refrigerant leaks
US20090037142A1 (en) 2007-07-30 2009-02-05 Lawrence Kates Portable method and apparatus for monitoring refrigerant-cycle systems
JP4806793B2 (en) * 2007-10-04 2011-11-02 群馬県 Refrigerant leak detection method for refrigeration equipment
US9140728B2 (en) 2007-11-02 2015-09-22 Emerson Climate Technologies, Inc. Compressor sensor module
GR1006642B (en) * 2008-07-14 2009-12-22 Θεοδωρος Ευθυμιου Ευθυμιου Automatic refrigerant leak detection system of indirect means for use on cooling and refrigerations units installed on vehicles and other transportation means.
US20110112814A1 (en) * 2009-11-11 2011-05-12 Emerson Retail Services, Inc. Refrigerant leak detection system and method
CN102893095B (en) * 2010-05-12 2016-01-06 三菱电机株式会社 Switching device shifter and aircondition
AU2012223466B2 (en) 2011-02-28 2015-08-13 Emerson Electric Co. Residential solutions HVAC monitoring and diagnosis
US9874413B2 (en) * 2011-05-25 2018-01-23 International Business Machines Corporation Data center with dual radiator cabinets for redundant operation
US8964338B2 (en) 2012-01-11 2015-02-24 Emerson Climate Technologies, Inc. System and method for compressor motor protection
KR101336979B1 (en) * 2012-01-20 2013-12-04 (주) 에타 Evaporator For Ice Manufacture Of Inspecting Welding Defect Apparatus And Inspection Method
WO2013111180A1 (en) * 2012-01-24 2013-08-01 三菱電機株式会社 Coolant replenishment method for air-conditioning unit, and air-conditioning unit
WO2013119489A2 (en) 2012-02-10 2013-08-15 Carrier Corporation Method for detection of loss of refrigerant
US9310439B2 (en) 2012-09-25 2016-04-12 Emerson Climate Technologies, Inc. Compressor having a control and diagnostic module
EP2971989A4 (en) 2013-03-15 2016-11-30 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
US9803902B2 (en) 2013-03-15 2017-10-31 Emerson Climate Technologies, Inc. System for refrigerant charge verification using two condenser coil temperatures
US9765979B2 (en) 2013-04-05 2017-09-19 Emerson Climate Technologies, Inc. Heat-pump system with refrigerant charge diagnostics
KR102105655B1 (en) * 2013-07-08 2020-04-28 엘지전자 주식회사 An air conditioner and a control method the same
CN104677550B (en) * 2013-11-26 2018-02-02 美的集团股份有限公司 The leakage of refrigerant detection method of air-conditioning system
CN103940560B (en) * 2014-04-10 2016-08-17 广东美的制冷设备有限公司 Coolant leakage detection method, refrigerant leakage detecting system and air-conditioner
ES2748013T3 (en) 2015-11-17 2020-03-12 Carrier Corp Procedure to detect a loss of refrigerant charge in a refrigeration system
DE102016110585A1 (en) 2016-06-08 2017-12-14 Truma Gerätetechnik GmbH & Co. KG Air conditioning system and leak detection method in an air conditioning system
CN110291349B (en) * 2017-02-14 2021-05-18 大金工业株式会社 Refrigerating device
CN106950045B (en) * 2017-03-02 2019-03-26 珠海格力电器股份有限公司 The detection method of machine pipeline exception in a kind of multi-connected machine
IL252452B (en) 2017-05-23 2021-12-01 Smartgreen Ltd Methods for detection of lack of refrigerant in multi-cooling location cooling systems
CN110375468B (en) 2018-04-13 2022-10-11 开利公司 Air-cooled heat pump system, and refrigerant leakage detection method and detection system for same
WO2020014279A1 (en) * 2018-07-09 2020-01-16 Crane Payment Innovations, Inc. Refrigerant leak detector for a vending machine
IT201900006922A1 (en) * 2019-05-16 2020-11-16 Ft System Srl Method and apparatus for establishing the presence of cracks in sealed containers
US11248849B2 (en) * 2019-10-15 2022-02-15 Lennox Industries Inc. Detecting loss of charge in HVAC systems
TWI722617B (en) * 2019-10-25 2021-03-21 財團法人工業技術研究院 System and method for a non-intrusive refrigerant leakage detection and adaptive method for threshold thereof
JPWO2022180941A1 (en) 2021-02-24 2022-09-01
JP7197814B2 (en) * 2021-05-21 2022-12-28 ダイキン工業株式会社 Refrigerant leak detection system
CN113503675A (en) * 2021-07-09 2021-10-15 合肥美菱物联科技有限公司 Refrigerator defrosting demand judgment method

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US2566561A (en) * 1946-06-28 1951-09-04 Edelberg Vladimir Screwing and unscrewing tongs, particularly for drilling pipe joints
US4215602A (en) * 1978-06-26 1980-08-05 Bob's Casing Crews Power tongs
US5174125A (en) * 1991-07-24 1992-12-29 Donald Duncan Device for detecting loss of refrigerant in an airconditioner
US5150584A (en) * 1991-09-26 1992-09-29 General Motors Corporation Method and apparatus for detecting low refrigerant charge
JPH06137725A (en) * 1992-10-28 1994-05-20 Hitachi Ltd Refrigerant leakage detection method for refrigeration device
US5457965A (en) * 1994-04-11 1995-10-17 Ford Motor Company Low refrigerant charge detection system
JP3601130B2 (en) * 1995-10-06 2004-12-15 株式会社デンソー Refrigeration equipment
US5845549A (en) * 1995-12-20 1998-12-08 Frank's Casing Crew And Rental Tools, Inc. Power tong gripping ring mechanism
JP3733674B2 (en) * 1997-01-30 2006-01-11 株式会社デンソー Air conditioner
JPH11211293A (en) * 1998-01-26 1999-08-06 Sanyo Electric Co Ltd Refrigerator
US6330802B1 (en) * 2000-02-22 2001-12-18 Behr Climate Systems, Inc. Refrigerant loss detection
JP2001255046A (en) * 2000-03-13 2001-09-21 Sanyo Electric Co Ltd Refrigeration system
US6430944B1 (en) * 2001-04-13 2002-08-13 Smc Kabushiki Kaisha Remote maintenance system and method for chiller units

Also Published As

Publication number Publication date
GB2406174A (en) 2005-03-23
JP2005090953A (en) 2005-04-07
KR20050028391A (en) 2005-03-23
US20050056031A1 (en) 2005-03-17
DE102004044990A1 (en) 2005-04-14

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)