US20130086929A1 - Evaporator refrigerant saturation demand defrost - Google Patents

Evaporator refrigerant saturation demand defrost Download PDF

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Publication number
US20130086929A1
US20130086929A1 US13/704,314 US201113704314A US2013086929A1 US 20130086929 A1 US20130086929 A1 US 20130086929A1 US 201113704314 A US201113704314 A US 201113704314A US 2013086929 A1 US2013086929 A1 US 2013086929A1
Authority
US
United States
Prior art keywords
refrigerant
temperature
defrost
heat exchanger
temperature differential
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.)
Abandoned
Application number
US13/704,314
Other languages
English (en)
Inventor
Ramond L. Senf, JR.
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
Priority to US13/704,314 priority Critical patent/US20130086929A1/en
Assigned to CARRIER CORPORATION reassignment CARRIER CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SENF, RAYMOND L, JR.
Publication of US20130086929A1 publication Critical patent/US20130086929A1/en
Abandoned legal-status Critical Current

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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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/002—Defroster control
    • F25D21/006—Defroster control with electronic control circuits
    • 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
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02—Defrosting cycles
    • 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
    • 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
US13/704,314 2010-07-01 2011-06-29 Evaporator refrigerant saturation demand defrost Abandoned US20130086929A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/704,314 US20130086929A1 (en) 2010-07-01 2011-06-29 Evaporator refrigerant saturation demand defrost

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US36065110P 2010-07-01 2010-07-01
US13/704,314 US20130086929A1 (en) 2010-07-01 2011-06-29 Evaporator refrigerant saturation demand defrost
PCT/US2011/042311 WO2012003202A2 (fr) 2010-07-01 2011-06-29 Dégivrage à la demande à saturation de réfrigérant d'évaporateur

Publications (1)

Publication Number Publication Date
US20130086929A1 true US20130086929A1 (en) 2013-04-11

Family

ID=44628120

Family Applications (1)

Application Number Title Priority Date Filing Date
US13/704,314 Abandoned US20130086929A1 (en) 2010-07-01 2011-06-29 Evaporator refrigerant saturation demand defrost

Country Status (5)

Country Link
US (1) US20130086929A1 (fr)
EP (1) EP2588819B1 (fr)
CN (1) CN103069230B (fr)
ES (1) ES2762238T3 (fr)
WO (1) WO2012003202A2 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150316313A1 (en) * 2014-05-02 2015-11-05 Thermo King Corporation Method and system for controlling operation of evaporator fans in a transport refrigeration system
US20150343881A1 (en) * 2014-05-27 2015-12-03 Alliance For Sustainable Energy, Llc Evaporative cooling cycling using water condensate formed in a vapor-compression a/c system evaporator
US20170082308A1 (en) * 2015-09-22 2017-03-23 Lennox Industries LLC Detecting and Handling a Blocked Condition in the Coil
US20170292770A1 (en) * 2016-04-07 2017-10-12 Hussmann Corporation Refrigeration system with fluid defrost
US20180356138A1 (en) * 2016-02-05 2018-12-13 Mitsubishi Electric Corporation Air-conditioning apparatus
US10563900B2 (en) 2015-06-19 2020-02-18 Carrier Corporation Transport refrigeration unit with evaporator deforst heat exchanger utilizing compressed hot air
US10696139B2 (en) 2016-03-07 2020-06-30 Carrier Corporation Return air intake grille de-icing method
US10704820B2 (en) 2015-10-16 2020-07-07 Carrier Corporation Flexible cooling system for vehicles
US10759326B2 (en) 2016-05-27 2020-09-01 Carrier Corporation Method for determining reduced airflow in transport refrigeration system
US10935329B2 (en) 2015-01-19 2021-03-02 Hussmann Corporation Heat exchanger with heater insert
US11493260B1 (en) 2018-05-31 2022-11-08 Thermo Fisher Scientific (Asheville) Llc Freezers and operating methods using adaptive defrost
US11549734B2 (en) 2018-06-22 2023-01-10 Danfoss A/S Method for terminating defrosting of an evaporator by use of air temperature measurements
EP4194772A1 (fr) * 2021-12-13 2023-06-14 Carrier Corporation Procédé de variation de déclencheur de dégivrage pour pompe à chaleur
US11912104B2 (en) 2018-04-13 2024-02-27 Carrier Corporation Method of defrosting a refrigeration system

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104813119B (zh) * 2012-07-31 2017-05-17 开利公司 冻结蒸发器盘管检测以及除霜起始
EP2717002B1 (fr) * 2012-10-08 2019-01-02 Emerson Climate Technologies GmbH Procédé de détermination de moments de décongélation
WO2014070292A1 (fr) * 2012-10-30 2014-05-08 Carrier Corporation Séchage d'une boîte de chargement réfrigérée après un lavage avant un chargement
CN104515255A (zh) * 2013-09-30 2015-04-15 郑州科林车用空调有限公司 一种智能温湿度联合控制冷暖客车空调的方法及其系统
US10442272B2 (en) 2014-08-22 2019-10-15 Thermo King Corporation Method and system for defrosting a heat exchanger
JP6447742B2 (ja) * 2015-10-27 2019-01-09 株式会社デンソー 冷凍サイクル装置
CN106839258A (zh) * 2016-12-06 2017-06-13 珠海格力电器股份有限公司 冷风机及其化霜控制装置和方法
EP3990845B1 (fr) * 2019-06-26 2024-04-17 Carrier Corporation Unité frigorifique de transport dotée d'une décongélation adaptative
CN112594983A (zh) * 2020-12-08 2021-04-02 格力电器（合肥）有限公司 一种空调器精细化正向循环除冰系统及控制方法
EP4148348A1 (fr) * 2021-09-09 2023-03-15 SHR GmbH Procédé et dispositif de commande du processus de nettoyage et de refroidissement d'échangeurs de chaleur

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4142374A (en) * 1977-09-16 1979-03-06 Wylain, Inc. Demand defrost time clock control circuit
US5381669A (en) * 1993-07-21 1995-01-17 Copeland Corporation Overcharge-undercharge diagnostic system for air conditioner controller
US5440890A (en) * 1993-12-10 1995-08-15 Copeland Corporation Blocked fan detection system for heat pump
US20060248904A1 (en) * 2005-04-15 2006-11-09 Thermo King Corporation Temperature control system and method of operating the same
US20070089434A1 (en) * 2005-10-21 2007-04-26 Abtar Singh Monitoring refrigerant in a refrigeration system
US20100107661A1 (en) * 2007-02-02 2010-05-06 Awwad Nader S Method for operating transport refrigeration unit with remote evaporator

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3333907A1 (de) * 1983-09-20 1985-04-04 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Verfahren und vorrichtung zur abtauregelung von waermepumpen
DE3441912C2 (de) * 1984-11-16 1994-05-05 Fichtel & Sachs Ag Abtausteuerung für eine Wärmepumpe
DE3539817A1 (de) * 1985-11-09 1987-05-14 Licentia Gmbh Verfahren zur messtechnischen ermittlung, anzeige und/oder der auswertung der an den kuehllamellen eines luftkuehlers auftretenden vereisung
DE4105880A1 (de) * 1991-02-25 1992-08-27 Kueba Kaeltetechnik Gmbh Verfahren und vorrichtung zur leistungsoptimierung und abtausteuerung von kaeltemittelverdampfern
US6223546B1 (en) 1999-04-21 2001-05-01 Robert A. Chopko Electrically powered transport refrigeration unit
US6205800B1 (en) * 1999-05-12 2001-03-27 Carrier Corporation Microprocessor controlled demand defrost for a cooled enclosure
US6334321B1 (en) * 2000-03-15 2002-01-01 Carrier Corporation Method and system for defrost control on reversible heat pumps
US6318095B1 (en) 2000-10-06 2001-11-20 Carrier Corporation Method and system for demand defrost control on reversible heat pumps
DE10311343A1 (de) * 2003-03-14 2004-09-23 Linde Kältetechnik GmbH & Co. KG Bedarfsabtauung für Tief- und/oder Normalkühlung
US7856836B2 (en) * 2005-07-26 2010-12-28 Mitsubishi Electric Corporation Refrigerating air conditioning system
JP5528119B2 (ja) * 2008-01-21 2014-06-25 三菱電機株式会社 ヒートポンプ装置及びこのヒートポンプ装置を搭載した空気調和機又は給湯器
JP4642100B2 (ja) * 2008-09-01 2011-03-02 三菱電機株式会社 ヒートポンプ装置
EP2366968B1 (fr) * 2010-03-17 2017-05-17 Wolf GmbH Procédé et dispositif de décongélation d'un évaporateur d'un dispositif de pompe à chaleur

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4142374A (en) * 1977-09-16 1979-03-06 Wylain, Inc. Demand defrost time clock control circuit
US5381669A (en) * 1993-07-21 1995-01-17 Copeland Corporation Overcharge-undercharge diagnostic system for air conditioner controller
US5440890A (en) * 1993-12-10 1995-08-15 Copeland Corporation Blocked fan detection system for heat pump
US20060248904A1 (en) * 2005-04-15 2006-11-09 Thermo King Corporation Temperature control system and method of operating the same
US20070089434A1 (en) * 2005-10-21 2007-04-26 Abtar Singh Monitoring refrigerant in a refrigeration system
US20100107661A1 (en) * 2007-02-02 2010-05-06 Awwad Nader S Method for operating transport refrigeration unit with remote evaporator

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10254027B2 (en) * 2014-05-02 2019-04-09 Thermo King Corporation Method and system for controlling operation of evaporator fans in a transport refrigeration system
US20150316313A1 (en) * 2014-05-02 2015-11-05 Thermo King Corporation Method and system for controlling operation of evaporator fans in a transport refrigeration system
US20150343881A1 (en) * 2014-05-27 2015-12-03 Alliance For Sustainable Energy, Llc Evaporative cooling cycling using water condensate formed in a vapor-compression a/c system evaporator
US10935329B2 (en) 2015-01-19 2021-03-02 Hussmann Corporation Heat exchanger with heater insert
US10563900B2 (en) 2015-06-19 2020-02-18 Carrier Corporation Transport refrigeration unit with evaporator deforst heat exchanger utilizing compressed hot air
US20170082308A1 (en) * 2015-09-22 2017-03-23 Lennox Industries LLC Detecting and Handling a Blocked Condition in the Coil
US10168067B2 (en) * 2015-09-22 2019-01-01 Lennox Industries Inc. Detecting and handling a blocked condition in the coil
US10704820B2 (en) 2015-10-16 2020-07-07 Carrier Corporation Flexible cooling system for vehicles
US20180356138A1 (en) * 2016-02-05 2018-12-13 Mitsubishi Electric Corporation Air-conditioning apparatus
US10696139B2 (en) 2016-03-07 2020-06-30 Carrier Corporation Return air intake grille de-icing method
US20170292770A1 (en) * 2016-04-07 2017-10-12 Hussmann Corporation Refrigeration system with fluid defrost
US10759326B2 (en) 2016-05-27 2020-09-01 Carrier Corporation Method for determining reduced airflow in transport refrigeration system
US11912104B2 (en) 2018-04-13 2024-02-27 Carrier Corporation Method of defrosting a refrigeration system
US11493260B1 (en) 2018-05-31 2022-11-08 Thermo Fisher Scientific (Asheville) Llc Freezers and operating methods using adaptive defrost
US11549734B2 (en) 2018-06-22 2023-01-10 Danfoss A/S Method for terminating defrosting of an evaporator by use of air temperature measurements
EP4194772A1 (fr) * 2021-12-13 2023-06-14 Carrier Corporation Procédé de variation de déclencheur de dégivrage pour pompe à chaleur

Also Published As

Publication number Publication date
CN103069230B (zh) 2017-08-04
EP2588819A2 (fr) 2013-05-08
ES2762238T3 (es) 2020-05-22
WO2012003202A2 (fr) 2012-01-05
EP2588819B1 (fr) 2019-12-11
CN103069230A (zh) 2013-04-24
WO2012003202A3 (fr) 2012-08-16

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Legal Events

Date Code Title Description
AS Assignment

Owner name: CARRIER CORPORATION, CONNECTICUT

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SENF, RAYMOND L, JR.;REEL/FRAME:029469/0408

Effective date: 20121204

STCB Information on status: application discontinuation

Free format text: ABANDONED -- AFTER EXAMINER'S ANSWER OR BOARD OF APPEALS DECISION