DE2520319A1 - Verfahren und vorrichtung zum entfrosten eines verdampfers in einer waermepumpe - Google Patents

Verfahren und vorrichtung zum entfrosten eines verdampfers in einer waermepumpe

Info

Publication number
DE2520319A1
DE2520319A1 DE19752520319 DE2520319A DE2520319A1 DE 2520319 A1 DE2520319 A1 DE 2520319A1 DE 19752520319 DE19752520319 DE 19752520319 DE 2520319 A DE2520319 A DE 2520319A DE 2520319 A1 DE2520319 A1 DE 2520319A1
Authority
DE
Germany
Prior art keywords
heat exchanger
temperature
heat
heat pump
evaporator
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.)
Pending
Application number
DE19752520319
Other languages
German (de)
English (en)
Inventor
Berth Ulrik Gustafsson
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.)
PROJECTUS IND PRODUKTER AB
Projectus Industriprodukter AB
Original Assignee
PROJECTUS IND PRODUKTER AB
Projectus Industriprodukter AB
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 PROJECTUS IND PRODUKTER AB, Projectus Industriprodukter AB filed Critical PROJECTUS IND PRODUKTER AB
Publication of DE2520319A1 publication Critical patent/DE2520319A1/de
Pending 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
    • 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
    • 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
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • 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
    • F25D21/02—Detecting the presence of frost or condensate
    • F25D21/025—Detecting the presence of frost or condensate using air pressure differential detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Defrosting Systems (AREA)
  • Air Conditioning Control Device (AREA)
DE19752520319 1974-05-10 1975-05-07 Verfahren und vorrichtung zum entfrosten eines verdampfers in einer waermepumpe Pending DE2520319A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7406316A SE7406316L (sv) 1974-05-10 1974-05-10 Forfarande och anordning for avfrostning av forangare till vermepumpar.

Publications (1)

Publication Number Publication Date
DE2520319A1 true DE2520319A1 (de) 1975-11-20

Family

ID=20321106

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752520319 Pending DE2520319A1 (de) 1974-05-10 1975-05-07 Verfahren und vorrichtung zum entfrosten eines verdampfers in einer waermepumpe

Country Status (4)

Country Link
US (1) US4007603A (enExample)
JP (1) JPS50154849A (enExample)
DE (1) DE2520319A1 (enExample)
SE (1) SE7406316L (enExample)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2744702A1 (de) * 1976-10-15 1978-04-20 Borg Warner Waermepumpeinrichtung
FR2376379A1 (fr) * 1977-01-03 1978-07-28 Electric Power Res Inst Dispositif de degivrage pour pompe a chaleur
FR2538518A1 (fr) * 1982-12-22 1984-06-29 Elf Aquitaine Procede et dispositif de surveillance et de commande d'un evaporateur
EP0147825A3 (en) * 1983-12-27 1986-09-03 Honeywell Inc. Defrost control system for a refrigeration heat pump
EP1837611A3 (de) * 2006-03-22 2010-04-14 STIEBEL ELTRON GmbH & Co. KG Wärmepumpe

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329682A (en) * 1976-05-03 1982-05-11 Hawker Siddeley Dynamics Ltd. Phase change warning devices
JPS5575151A (en) * 1978-12-01 1980-06-06 Hitachi Ltd Defrosting operation controller
US4299095A (en) * 1979-08-13 1981-11-10 Robertshaw Controls Company Defrost system
JPS60218550A (ja) * 1984-04-13 1985-11-01 Sharp Corp ヒ−トポンプ式空気調和機の除霜装置
JPS60218551A (ja) * 1984-04-13 1985-11-01 Sharp Corp ヒ−トポンプ式空気調和機の除霜装置
US8418484B2 (en) * 2008-01-30 2013-04-16 The Trustees Of Dartmouth College Compact helical heat exchanger with stretch to maintain airflow
WO2010107691A1 (en) * 2009-03-17 2010-09-23 Carrier Corporation Demand defrost for heat pumps
KR101123079B1 (ko) * 2009-09-25 2012-03-16 주식회사 아모그린텍 수평타입의 증발기에 적용 가능한 제상히터 및 그 제조방법
FR2955925A1 (fr) * 2010-01-29 2011-08-05 Yves Surrel Dispositif pour ameliorer les performances des pompes a chaleur
US9341405B2 (en) 2012-11-30 2016-05-17 Lennox Industries Inc. Defrost control using fan data
KR102725964B1 (ko) * 2016-11-10 2024-11-05 엘지전자 주식회사 냉장고 및 냉장고의 제어 방법
KR102572457B1 (ko) 2018-02-26 2023-08-30 엘지전자 주식회사 냉장고 및 냉장고의 제어 방법
NO343798B1 (no) * 2018-05-15 2019-06-11 Romy Clima As Fremgangsmåte for styring av en ventilasjonsvarmepumpe
US20230106953A1 (en) * 2021-10-06 2023-04-06 LGL France S.A.S. Proper deicing end detection and defrost cycle optimization
NZ803966A (en) * 2022-09-22 2025-11-28 Hussmann Corp Refrigeration system with demand fluid defrost

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2939295A (en) * 1958-12-29 1960-06-07 American Air Filter Co Air conditioning apparatus
US3076316A (en) * 1960-07-15 1963-02-05 Ralph C Schlichtig Reversible heat engines
US3107499A (en) * 1961-09-22 1963-10-22 Honeywell Regulator Co Control apparatus
US3371502A (en) * 1966-08-26 1968-03-05 Gen Motors Corp Refrigerant compressor with built-in reverse cycle valving
US3465534A (en) * 1967-10-31 1969-09-09 Texas Instruments Inc Differential flow sensing apparatus
US3643457A (en) * 1970-11-20 1972-02-22 Westinghouse Electric Corp Frost detector for refrigeration system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2744702A1 (de) * 1976-10-15 1978-04-20 Borg Warner Waermepumpeinrichtung
FR2376379A1 (fr) * 1977-01-03 1978-07-28 Electric Power Res Inst Dispositif de degivrage pour pompe a chaleur
FR2538518A1 (fr) * 1982-12-22 1984-06-29 Elf Aquitaine Procede et dispositif de surveillance et de commande d'un evaporateur
EP0147825A3 (en) * 1983-12-27 1986-09-03 Honeywell Inc. Defrost control system for a refrigeration heat pump
EP1837611A3 (de) * 2006-03-22 2010-04-14 STIEBEL ELTRON GmbH & Co. KG Wärmepumpe

Also Published As

Publication number Publication date
US4007603A (en) 1977-02-15
SE7406316L (sv) 1975-11-11
JPS50154849A (enExample) 1975-12-13

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Legal Events

Date Code Title Description
OHJ Non-payment of the annual fee