DK1497597T3 - Metode til bestemmelse af ændringer i en förste medieström af et varme- eller kuldebærermedium i et köleanlæg - Google Patents

Metode til bestemmelse af ændringer i en förste medieström af et varme- eller kuldebærermedium i et köleanlæg

Info

Publication number
DK1497597T3
DK1497597T3 DK03746812T DK03746812T DK1497597T3 DK 1497597 T3 DK1497597 T3 DK 1497597T3 DK 03746812 T DK03746812 T DK 03746812T DK 03746812 T DK03746812 T DK 03746812T DK 1497597 T3 DK1497597 T3 DK 1497597T3
Authority
DK
Denmark
Prior art keywords
flow
media stream
heat
coolant
cooling system
Prior art date
Application number
DK03746812T
Other languages
Danish (da)
English (en)
Inventor
Bjarne Dindler Rasmussen
Claus Thybo
Roozbeh Izadi-Zamanabad
Original Assignee
Danfoss As
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 Danfoss As filed Critical Danfoss As
Application granted granted Critical
Publication of DK1497597T3 publication Critical patent/DK1497597T3/da

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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/008—Alarm 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
    • F25B2500/19—Calculation of parameters
    • 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
    • F25B2700/13—Mass flow of refrigerants
    • F25B2700/135—Mass flow of refrigerants through the evaporator
    • F25B2700/1352—Mass flow of refrigerants through the evaporator at the inlet
    • 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
    • F25B2700/19—Pressures
    • F25B2700/195—Pressures of the condenser
    • 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
    • F25B2700/19—Pressures
    • F25B2700/197—Pressures 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
    • F25B2700/2116—Temperatures of a condenser
    • F25B2700/21163—Temperatures of a condenser of the refrigerant at the outlet of the condenser
    • 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
    • F25B2700/21171—Temperatures of an evaporator of the fluid cooled by the evaporator
    • F25B2700/21172—Temperatures of an evaporator of the fluid cooled by the evaporator at the inlet
    • 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
    • F25B2700/21171—Temperatures of an evaporator of the fluid cooled by the evaporator
    • F25B2700/21173—Temperatures of an evaporator of the fluid cooled by the evaporator at the outlet
    • 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
    • F25D2500/00—Problems to be solved
    • F25D2500/04—Calculation of parameters

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
DK03746812T 2002-04-22 2003-04-12 Metode til bestemmelse af ændringer i en förste medieström af et varme- eller kuldebærermedium i et köleanlæg DK1497597T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10217975A DE10217975B4 (de) 2002-04-22 2002-04-22 Verfahren zum Entdecken von Änderungen in einem ersten Medienstrom eines Wärme- oder Kältetransportmediums in einer Kälteanlage
PCT/DK2003/000251 WO2003089854A1 (de) 2002-04-22 2003-04-12 Verfahren zum entdecken von änderungen in einem ersten medienstrom eines wärme-oder kältetransportmediums in einer kälteanlage

Publications (1)

Publication Number Publication Date
DK1497597T3 true DK1497597T3 (da) 2007-03-12

Family

ID=29224662

Family Applications (1)

Application Number Title Priority Date Filing Date
DK03746812T DK1497597T3 (da) 2002-04-22 2003-04-12 Metode til bestemmelse af ændringer i en förste medieström af et varme- eller kuldebærermedium i et köleanlæg

Country Status (8)

Country Link
US (1) US7685830B2 (de)
EP (1) EP1497597B1 (de)
JP (1) JP2005533230A (de)
AT (1) ATE343108T1 (de)
AU (1) AU2003226943A1 (de)
DE (1) DE10217975B4 (de)
DK (1) DK1497597T3 (de)
WO (1) WO2003089854A1 (de)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
ES2561829T3 (es) * 2002-10-15 2016-03-01 Danfoss A/S Un procedimiento para detectar una anomalía de un intercambiador de calor
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
WO2006063591A2 (en) 2004-12-16 2006-06-22 Danfoss A/S A method for controlling temperature in a refrigeration system
JP4503646B2 (ja) * 2005-02-24 2010-07-14 三菱電機株式会社 空気調和装置
JP4799563B2 (ja) * 2005-10-25 2011-10-26 三菱電機株式会社 空気調和装置、空気調和装置の冷媒充填方法、空気調和装置の冷媒充填状態判定方法、並びに空気調和装置の冷媒充填・配管洗浄方法
US8316926B2 (en) 2005-10-31 2012-11-27 General Cybernation Group Inc. Arrangement and method for automatically determined time constant for a control device
WO2007090405A2 (en) * 2006-02-10 2007-08-16 Danfoss A/S Control of a system with a large thermal capacity
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
US7827813B2 (en) * 2007-01-30 2010-11-09 Johnson Controls Technology Company Adaptive real-time optimization control
US20080179408A1 (en) * 2007-01-30 2008-07-31 Johnson Controls Technology Company Sensor-free optimal control of air-side economizer
RU2413908C1 (ru) * 2007-06-12 2011-03-10 Данфосс А/С Способ регулирования распределения хладагента
MX2009013343A (es) * 2007-06-12 2010-01-18 Danfoss As Un metodo para controlar un sistema de compresion de vapor.
CN101861552B (zh) * 2007-07-17 2014-08-20 约翰逊控制技术公司 带有执行器饱和控制的极值搜索控制
WO2009012282A2 (en) * 2007-07-17 2009-01-22 Johnson Controls Technology Company Extremum seeking control with reset control
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
US9140728B2 (en) 2007-11-02 2015-09-22 Emerson Climate Technologies, Inc. Compressor sensor module
EP2128551A1 (de) * 2008-05-29 2009-12-02 Siemens Aktiengesellschaft Überwachung von Wärmetauschern in Prozessleitsystemen
US11269303B2 (en) 2009-06-22 2022-03-08 Johnson Controls Technology Company Systems and methods for detecting changes in energy usage in a building
US9286582B2 (en) 2009-06-22 2016-03-15 Johnson Controls Technology Company Systems and methods for detecting changes in energy usage in a building
US8731724B2 (en) 2009-06-22 2014-05-20 Johnson Controls Technology Company Automated fault detection and diagnostics in a building management system
US8532839B2 (en) * 2009-06-22 2013-09-10 Johnson Controls Technology Company Systems and methods for statistical control and fault detection in a building management system
US8788097B2 (en) 2009-06-22 2014-07-22 Johnson Controls Technology Company Systems and methods for using rule-based fault detection in a building management system
US9753455B2 (en) * 2009-06-22 2017-09-05 Johnson Controls Technology Company Building management system with fault analysis
US9606520B2 (en) 2009-06-22 2017-03-28 Johnson Controls Technology Company Automated fault detection and diagnostics in a building management system
US8600556B2 (en) 2009-06-22 2013-12-03 Johnson Controls Technology Company Smart building manager
US9196009B2 (en) 2009-06-22 2015-11-24 Johnson Controls Technology Company Systems and methods for detecting changes in energy usage in a building
US10739741B2 (en) 2009-06-22 2020-08-11 Johnson Controls Technology Company Systems and methods for detecting changes in energy usage in a building
WO2011100255A2 (en) 2010-02-09 2011-08-18 Johnson Controls Technology Company Systems and methods for measuring and verifying energy savings in buildings
EP2681497A4 (de) 2011-02-28 2017-05-31 Emerson Electric Co. Hvac-überwachung und diagnose für haushaltsanwendungen
US8964338B2 (en) 2012-01-11 2015-02-24 Emerson Climate Technologies, Inc. System and method for compressor motor protection
US9390388B2 (en) 2012-05-31 2016-07-12 Johnson Controls Technology Company Systems and methods for measuring and verifying energy usage in a building
CH706736A1 (de) * 2012-07-09 2014-01-15 Belimo Holding Ag Verfahren zum Betrieb eines Wärmetauschers sowie HVAC-Anlage zur Durchführung des Verfahrens.
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
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
WO2014144446A1 (en) 2013-03-15 2014-09-18 Emerson Electric Co. Hvac system remote monitoring and diagnosis
CA2908362C (en) 2013-04-05 2018-01-16 Fadi M. Alsaleem Heat-pump system with refrigerant charge diagnostics
DE112014005249T5 (de) 2013-11-18 2016-08-25 Thermo King Corporation System und Verfahren zur Temperatursteuerung für ein Transportkühlsystem
EP3032194A1 (de) * 2014-12-12 2016-06-15 Danfoss A/S Verfahren zur Steuerung der Zufuhr von Kühlmittel zu einem Verdampfer mit Berechnung einer Referenztemperatur
US9778639B2 (en) 2014-12-22 2017-10-03 Johnson Controls Technology Company Systems and methods for adaptively updating equipment models
WO2017085525A1 (en) 2015-11-19 2017-05-26 Carrier Corporation Diagnostics system for a chiller and method of evaluating performance of a chiller
WO2019001683A1 (de) 2017-06-26 2019-01-03 Siemens Aktiengesellschaft Verfahren und einrichtung zur überwachung eines wärmetauschers
EP3587964B1 (de) 2018-06-22 2021-07-21 Danfoss A/S Verfahren zur beendigung des abtauen eines verdampfers
EP3587962B1 (de) 2018-06-22 2020-12-30 Danfoss A/S Verfahren zum beenden der abtauung eines verdampfers unter verwendung von lufttemperaturmessungen
US20220207454A1 (en) * 2019-04-30 2022-06-30 Pfizer Inc. Real-time tracking and management of standard workflows
CN112013999A (zh) * 2020-08-25 2020-12-01 国网北京市电力公司 测量制热量的装置
DE102024200806A1 (de) * 2024-01-30 2025-07-31 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Ermitteln eines Wassergehalts in einem Luftstrom eines Temperiersystems

Family Cites Families (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2295992A (en) 1941-01-09 1942-09-15 Chrysler Corp Flash gas control for refrigerating systems
US3171462A (en) 1962-10-10 1965-03-02 Jr Thodore J Reinhart Toroidal pneumatic tire
US3707851A (en) 1970-10-28 1973-01-02 Mach Ice Co Refrigeration system efficiency monitor
US3918300A (en) 1974-01-03 1975-11-11 Aaron Weisstuch Heat transfer measuring device
DE2451361A1 (de) * 1974-10-29 1976-05-06 Jakob Verfahren zum regeln einer kompressorkuehlanlage
US4136528A (en) 1977-01-13 1979-01-30 Mcquay-Perfex Inc. Refrigeration system subcooling control
US4193781A (en) 1978-04-28 1980-03-18 Mcquay-Perfex Inc. Head pressure control for heat reclaim refrigeration systems
CA1146650A (en) 1979-10-01 1983-05-17 Borg-Warner Corporation Microcomputer based fault detection and indicator control system
JPS5919273B2 (ja) 1979-12-05 1984-05-04 株式会社日立製作所 復水器性能監視方法
SE8006391L (sv) 1980-09-12 1982-03-13 Jacob Weitman Sett att reglera en vermevexlare
US4325223A (en) * 1981-03-16 1982-04-20 Cantley Robert J Energy management system for refrigeration systems
JPS591970A (ja) * 1982-06-25 1984-01-07 株式会社日立製作所 冷媒流量制御装置
US4510576A (en) * 1982-07-26 1985-04-09 Honeywell Inc. Specific coefficient of performance measuring device
US4479727A (en) 1982-09-01 1984-10-30 Carrier Corporation Apparatus and method for evaluating the performance of a heat exchanger
SE439063B (sv) 1983-06-02 1985-05-28 Henrik Sven Enstrom Forfarande och anordning for provning och prestandaovervakning vid vermepumpar och kylanleggningar
US4614087A (en) 1983-08-09 1986-09-30 Nihon Radiator Co., Ltd. Apparatus for alarming abnormal coolant in space cooling cycle
US4766553A (en) 1984-03-23 1988-08-23 Azmi Kaya Heat exchanger performance monitor
KR890001890B1 (ko) 1984-03-23 1989-05-30 더 뱁콕 앤드 윌콕스 컴퍼니 열교환기 성능 감지기
US4624502A (en) * 1984-11-21 1986-11-25 Boole Leon J Portable drawer assembly
US4621502A (en) 1985-01-11 1986-11-11 Tyler Refrigeration Corporation Electronic temperature control for refrigeration system
CH670311A5 (de) 1985-06-17 1989-05-31 Bbc Brown Boveri & Cie
SE454020B (sv) * 1986-02-21 1988-03-21 Etm Metteknik Ab Sett for bestemning av en kylprocess genom antagande om vissa parametrar, framfor allt kompressorverkningsgraden
JPS6371625A (ja) 1986-09-16 1988-04-01 Mitsubishi Heavy Ind Ltd 伝熱管の熱吸収量計測装置
US4768346A (en) 1987-08-26 1988-09-06 Honeywell Inc. Determining the coefficient of performance of a refrigeration system
US4885914A (en) 1987-10-05 1989-12-12 Honeywell Inc. Coefficient of performance deviation meter for vapor compression type refrigeration systems
JPH01174870A (ja) 1987-12-28 1989-07-11 Toshiba Corp 冷凍機診断装置
GB9008788D0 (en) 1990-04-19 1990-06-13 Whitbread & Co Plc Diagnostic equipment
EP0470676A3 (en) 1990-08-09 1992-09-16 Riccius + Stroschen Gmbh Procedure to determine the state of clogging of heat conducting tubes
US5079930A (en) 1990-12-03 1992-01-14 Atron, Inc. Apparatus and method for monitoring refrigeration system
DE4119020A1 (de) 1991-06-09 1992-12-10 Braun Ag Haartrockner
DE4207144A1 (de) 1992-03-06 1993-09-09 Bayer Ag Verfahren zur regelung von waermeuebertragern
JPH05264136A (ja) 1992-03-24 1993-10-12 Mitsubishi Electric Corp 空気調和機の熱交換器汚れ検出装置
US5289692A (en) 1993-01-19 1994-03-01 Parker-Hannifin Corporation Apparatus and method for mass flow control of a working fluid
US5341649A (en) 1993-03-05 1994-08-30 Future Controls, Inc. Heat transfer system method and apparatus
JPH07234043A (ja) * 1994-02-22 1995-09-05 Hitachi Building Syst Eng & Service Co Ltd 空調設備における室内側熱交換器の能力把握方法
US5623426A (en) 1994-02-23 1997-04-22 Sanyo Electric Co., Ltd. Failure diagnosing system for absorption chillers
US5457965A (en) 1994-04-11 1995-10-17 Ford Motor Company Low refrigerant charge detection system
US5596507A (en) * 1994-08-15 1997-01-21 Jones; Jeffrey K. Method and apparatus for predictive maintenance of HVACR systems
US5623834A (en) * 1995-05-03 1997-04-29 Copeland Corporation Diagnostics for a heating and cooling system
US5615733A (en) 1996-05-01 1997-04-01 Helio-Compatic Corporation On-line monitoring system of a simulated heat-exchanger
US6128910A (en) * 1997-02-06 2000-10-10 Federal Air Conditioning Technologies, Inc. Diagnostic unit for an air conditioning system
US6089033A (en) 1999-02-26 2000-07-18 Dube; Serge High-speed evaporator defrost system
US6321564B1 (en) * 1999-03-15 2001-11-27 Denso Corporation Refrigerant cycle system with expansion energy recovery
US6225907B1 (en) 1999-05-14 2001-05-01 International Comfort Products Corporation (Usa) Environmental control system incipient failure indicator apparatus
US6223544B1 (en) 1999-08-05 2001-05-01 Johnson Controls Technology Co. Integrated control and fault detection of HVAC equipment
US6330802B1 (en) 2000-02-22 2001-12-18 Behr Climate Systems, Inc. Refrigerant loss detection
JP2001255046A (ja) 2000-03-13 2001-09-21 Sanyo Electric Co Ltd 冷凍装置
US6272868B1 (en) 2000-03-15 2001-08-14 Carrier Corporation Method and apparatus for indicating condenser coil performance on air-cooled chillers
GB0014972D0 (en) 2000-06-19 2000-08-09 Borealis Tech Oy Degassing apparatus
CA2344908C (en) 2000-07-20 2010-06-15 Siemens Building Technologies, Inc. Model based fault detection and diagnosis methodology for hvac subsystems
US7139564B2 (en) * 2000-08-08 2006-11-21 Hebert Thomas H Wireless communication device for field personnel
US6460358B1 (en) 2000-11-13 2002-10-08 Thomas H. Hebert Flash gas and superheat eliminator for evaporators and method therefor
JP3951711B2 (ja) 2001-04-03 2007-08-01 株式会社デンソー 蒸気圧縮式冷凍サイクル
EP1393004B1 (de) 2001-05-03 2008-08-27 Matts Lindgren Verfahren und anordnung zur steuerung der temperatur des abgehenden stroms von einem wärmetauscher und messung von erzeugter hitze
US6701725B2 (en) * 2001-05-11 2004-03-09 Field Diagnostic Services, Inc. Estimating operating parameters of vapor compression cycle equipment
US6658373B2 (en) 2001-05-11 2003-12-02 Field Diagnostic Services, Inc. Apparatus and method for detecting faults and providing diagnostics in vapor compression cycle equipment
US6590362B2 (en) * 2001-07-27 2003-07-08 Texas A&M University System Method and system for early detection of incipient faults in electric motors
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
US6973793B2 (en) 2002-07-08 2005-12-13 Field Diagnostic Services, Inc. Estimating evaporator airflow in vapor compression cycle cooling equipment
ES2561829T3 (es) 2002-10-15 2016-03-01 Danfoss A/S Un procedimiento para detectar una anomalía de un intercambiador de calor

Also Published As

Publication number Publication date
US20050172647A1 (en) 2005-08-11
WO2003089854A1 (de) 2003-10-30
ATE343108T1 (de) 2006-11-15
DE10217975B4 (de) 2004-08-19
EP1497597A1 (de) 2005-01-19
DE10217975A1 (de) 2003-11-13
JP2005533230A (ja) 2005-11-04
AU2003226943A1 (en) 2003-11-03
US7685830B2 (en) 2010-03-30
EP1497597B1 (de) 2006-10-18

Similar Documents

Publication Publication Date Title
DK1497597T3 (da) Metode til bestemmelse af ændringer i en förste medieström af et varme- eller kuldebærermedium i et köleanlæg
WO2009151841A8 (en) Method and apparatus for cooling
WO2011052904A3 (ko) 전열교환형 환기장치 및 그 제어방법
EP1273785A3 (de) Abwärmerückgewinnungsgerät für eine Brennkraftmaschine
ATE443845T1 (de) Verfahren und vorrichtung zur planheitsermittlung
WO2004036170B1 (en) A method and a device for detecting an abnormality of a heat exchanger, and the use of such a device
SE7711773L (sv) Anordning vid luftkonditionering
WO2007087382A3 (en) Waste water heat recovery system and method
DK2304516T3 (da) Apparat og anlæg til styring af temperaturen i et antal zoner i en bygning
SE0600569L (sv) Metod och anordning för optimering av värmeöverföringsegenskaperna i värmeväxlande ventilatonssystem
WO2007052253A3 (en) Apparatus and method for measuring a fluid flow-rate within a capillary
WO2007046788A3 (en) Method and apparatus for inhibiting frozen moisture accumulation in hvac systems
FR2721099B1 (fr) Echangeur de chaleur utile notamment pour le refroidissement d'un flux d'air à haute température.
DK1760441T3 (da) Apparat og en tilsvarende fremgangsmåde til aftastning af den specifikke varmeström på en membranvæg til optimering af dimensionering af en kedel og drift af samme
EP1284402A3 (de) Vorrichtung und Verfahren zur Kühlung
ATE343110T1 (de) Verfahren und vorrichtung für das entdecken von flash gas
PL1602401T5 (pl) Sposób i urządzenie do kondensacji częściowej z małą zawartością aerozoli
FR2849174B1 (fr) Ailette d'echange de chaleur, notamment de refroidissement, module d'echange de chaleur comprenant une telle ailette et procede de fabrication d'echangeurs de chaleur utilisant ladite ailette
US20140216710A1 (en) Method For Operating A Liquid-To-Air Heat Exchanger Device
CN106839512A (zh) 热泵系统温度传感器脱落的判断方法及装置和热泵系统
CN109631233A (zh) 一种热泵除霜判断方法及系统
EP3928038B1 (de) Verfahren und vorrichtung zur bestimmung einer abweichung in einem wärmeenergiekreislauf
SE8701534D0 (sv) Anording for temperaturbaserad koldmediestyrning vid en vermepump
RU2002121565A (ru) Способ компенсации влияния уровня температуры жидкости на результат измерения ее расхода тепловыми расходомерами
EP4455592A3 (de) Systeme und verfahren zur entfernung von wärmespeichernder festphasenbildung