JPS50154849A - - Google Patents

Info

Publication number
JPS50154849A
JPS50154849A JP50055880A JP5588075A JPS50154849A JP S50154849 A JPS50154849 A JP S50154849A JP 50055880 A JP50055880 A JP 50055880A JP 5588075 A JP5588075 A JP 5588075A JP S50154849 A JPS50154849 A JP S50154849A
Authority
JP
Japan
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
JP50055880A
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 filed Critical
Publication of JPS50154849A publication Critical patent/JPS50154849A/ja
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)
JP50055880A 1974-05-10 1975-05-08 Pending JPS50154849A (ja)

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
JPS50154849A true JPS50154849A (ja) 1975-12-13

Family

ID=20321106

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50055880A Pending JPS50154849A (ja) 1974-05-10 1975-05-08

Country Status (4)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5575151A (en) * 1978-12-01 1980-06-06 Hitachi Ltd Defrosting operation controller
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

Families Citing this family (17)

* 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
US4102389A (en) * 1976-10-15 1978-07-25 Borg-Warner Corporation Heat pump control system
SE7710529L (sv) * 1977-01-03 1978-07-04 Electric Power Res Inst Avfrostningsanordning for vermepumpar
US4299095A (en) * 1979-08-13 1981-11-10 Robertshaw Controls Company Defrost system
FR2538518B1 (fr) * 1982-12-22 1986-04-04 Elf Aquitaine Procede et dispositif de surveillance et de commande d'un evaporateur
US4538420A (en) * 1983-12-27 1985-09-03 Honeywell Inc. Defrost control system for a refrigeration heat pump apparatus
DE102006013587B4 (de) * 2006-03-22 2016-06-23 Stiebel Eltron Gmbh & Co. Kg Wärmepumpe
US8418484B2 (en) * 2008-01-30 2013-04-16 The Trustees Of Dartmouth College Compact helical heat exchanger with stretch to maintain airflow
US20110302937A1 (en) * 2009-03-17 2011-12-15 Bujak Jr Walter E 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
KR20180052285A (ko) 2016-11-10 2018-05-18 엘지전자 주식회사 냉장고 및 냉장고의 제어 방법
KR102572457B1 (ko) 2018-02-26 2023-08-30 엘지전자 주식회사 냉장고 및 냉장고의 제어 방법
NO20180682A1 (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
CA3213921A1 (en) * 2022-09-22 2024-03-22 Hussmann Corporation 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 (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5575151A (en) * 1978-12-01 1980-06-06 Hitachi Ltd Defrosting operation controller
JPS6214073B2 (ja) * 1978-12-01 1987-03-31 Hitachi Ltd
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

Also Published As

Publication number Publication date
SE7406316L (sv) 1975-11-11
DE2520319A1 (de) 1975-11-20
US4007603A (en) 1977-02-15

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