CA1129037A - Refrigeration system control method and apparatus - Google Patents

Refrigeration system control method and apparatus

Info

Publication number
CA1129037A
CA1129037A CA300,587A CA300587A CA1129037A CA 1129037 A CA1129037 A CA 1129037A CA 300587 A CA300587 A CA 300587A CA 1129037 A CA1129037 A CA 1129037A
Authority
CA
Canada
Prior art keywords
defrost
evaporators
evaporator
defrosting
time
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.)
Expired
Application number
CA300,587A
Other languages
English (en)
French (fr)
Inventor
Edward B. Gardner
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.)
Emhart Industries Inc
Original Assignee
Emhart Industries 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 Emhart Industries Inc filed Critical Emhart Industries Inc
Priority to CA396,019A priority Critical patent/CA1132679A/en
Application granted granted Critical
Publication of CA1129037A publication Critical patent/CA1129037A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric 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
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/22—Refrigeration systems for supermarkets

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Defrosting Systems (AREA)
CA300,587A 1977-07-15 1978-04-06 Refrigeration system control method and apparatus Expired CA1129037A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA396,019A CA1132679A (en) 1977-07-15 1982-02-10 Refrigeration system control method and apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/816,091 US4151723A (en) 1977-07-15 1977-07-15 Refrigeration system control method and apparatus
US816,091 1986-01-03

Publications (1)

Publication Number Publication Date
CA1129037A true CA1129037A (en) 1982-08-03

Family

ID=25219657

Family Applications (1)

Application Number Title Priority Date Filing Date
CA300,587A Expired CA1129037A (en) 1977-07-15 1978-04-06 Refrigeration system control method and apparatus

Country Status (5)

Country Link
US (1) US4151723A (Sortimente)
CA (1) CA1129037A (Sortimente)
DE (1) DE2829541A1 (Sortimente)
FR (3) FR2397606A1 (Sortimente)
GB (3) GB1602529A (Sortimente)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4254633A (en) * 1978-04-20 1981-03-10 Matsushita Electric Industrial Co., Ltd. Control apparatus for an air conditioner
US4428206A (en) 1980-09-02 1984-01-31 The Stoneleigh Trust Means for detecting the accumulation of frost in a low temperature refrigeration system
JPS57166439A (en) * 1981-04-07 1982-10-13 Mitsubishi Electric Corp Cooling and heating device
US4411139A (en) * 1981-04-09 1983-10-25 Amf Incorporated Defrost control system and display panel
FR2519746A1 (fr) * 1982-01-08 1983-07-18 Bonnet Ets Programmateur de degivrage d'une installation frigorifique multipostes
US4470266A (en) * 1982-03-29 1984-09-11 Carrier Corporation Timer speedup for servicing an air conditioning unit with an electronic control
US4499738A (en) * 1982-06-30 1985-02-19 Tokyo Shibaura Denki Kabushiki Kaisha Control device for a refrigerator
GB8516408D0 (en) * 1985-06-28 1985-07-31 Barker George & Co Ltd Defrosting of refrigerated cabinets
US4745629A (en) * 1986-09-26 1988-05-17 United Technologies Corporation Duty cycle timer
MY103980A (en) * 1988-03-17 1993-10-30 Sanden Corp Method for controlling the defrosting of refrigerator- freezer units of varying degrees of frost accumulation.
US4993233A (en) * 1989-07-26 1991-02-19 Power Kinetics, Inc. Demand defrost controller for refrigerated display cases
US5276630A (en) * 1990-07-23 1994-01-04 American Standard Inc. Self configuring controller
US5323621A (en) * 1993-02-26 1994-06-28 Tyler Refrigeration Corporation Gas defrost system
US5842355A (en) * 1995-03-22 1998-12-01 Rowe International, Inc. Defrost control system for a refrigerator
US5970726A (en) * 1997-04-08 1999-10-26 Heatcraft Inc. Defrost control for space cooling system
US5924297A (en) * 1997-11-03 1999-07-20 Hussmann Corporation Refrigerated merchandiser with modular evaporator coils and "no defrost" product area
US6026651A (en) * 1998-07-21 2000-02-22 Heat Timer Corporation Remote controlled defrost sequencer
US6622503B1 (en) * 2002-03-01 2003-09-23 Ranco Inc. Of Delaware Evaporator fan control system for a multi-compartment refrigerator
US7159413B2 (en) * 2003-10-21 2007-01-09 Delaware Capital Formation, Inc. Modular refrigeration system
US8020391B2 (en) * 2007-11-28 2011-09-20 Hill Phoenix, Inc. Refrigeration device control system
JP2010101611A (ja) * 2008-06-16 2010-05-06 Sanyo Electric Co Ltd 制御システム、統合制御装置及び制御プログラム
DE102013206440B4 (de) * 2013-04-11 2021-07-01 Zf Friedrichshafen Ag Steuergerät zur Betätigung eines Aktors, Getriebe und Fahrzeugsteuersystem
JP5549771B1 (ja) * 2013-09-12 2014-07-16 株式会社富士通ゼネラル 空気調和装置
US9459038B1 (en) * 2015-03-04 2016-10-04 Robert Michael Read System for defrost termination
EP3775713A1 (en) 2018-04-13 2021-02-17 Carrier Corporation Method of defrosting a multiple heat absorption heat exchanger refrigeration system
US11906209B2 (en) 2020-02-19 2024-02-20 Hill Phoenix, Inc. Thermoelectric cooling system
CN113970215B (zh) * 2020-07-22 2023-03-28 海信冰箱有限公司 冰箱化霜方法及冰箱
US12152818B2 (en) 2021-02-24 2024-11-26 C. Nelson Mfg. Method and system for operating a refrigeration system
US20240280312A1 (en) * 2021-06-08 2024-08-22 Kps Global Llc Accessible cooling environment

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144306B (de) * 1959-05-02 1963-02-28 Schmitz Kuehler Baierbrunn Schaltautomatik fuer elektrische Kuehlanlagen
US3151470A (en) * 1961-07-14 1964-10-06 Lester K Quick Hot gas defrosting system
US3311906A (en) * 1964-08-17 1967-03-28 Ref Con Corp Refrigerator monitoring system
FR1453869A (fr) * 1965-05-06 1966-07-22 Telemecanique Electrique Dispositif de mesure électrique de plusieurs grandeurs
CA844775A (en) * 1967-11-09 1970-06-16 H. Ting Youn Defrost control apparatus
US3464226A (en) * 1968-02-05 1969-09-02 Kramer Trenton Co Regenerative refrigeration system with means for controlling compressor discharge
FR2169082B1 (Sortimente) * 1972-01-22 1977-02-04 Suwa Seikosha Kk
US3854915A (en) * 1973-04-10 1974-12-17 Amf Inc Demand defrost control system
GB1475131A (en) * 1973-06-20 1977-06-01 Hitachi Ltd Refrigerator control apparatus
GB1442078A (en) * 1973-07-21 1976-07-07 Ibm Data handling system
US3894404A (en) * 1974-07-29 1975-07-15 Honeywell Inc Hot gas defrost refrigeration system
CA1041782A (en) * 1974-08-15 1978-11-07 Emhart Industries Control means for refrigeration systems
US3903515A (en) * 1974-09-05 1975-09-02 Tri Tech Method of and apparatus for controlling the performance of timed functions

Also Published As

Publication number Publication date
GB1602530A (en) 1981-11-11
FR2397606B1 (Sortimente) 1983-06-10
GB1602529A (en) 1981-11-11
FR2397608A1 (fr) 1979-02-09
FR2397608B1 (Sortimente) 1983-06-10
DE2829541A1 (de) 1979-01-18
GB1602528A (en) 1981-11-11
US4151723A (en) 1979-05-01
FR2397607A1 (fr) 1979-02-09
FR2397606A1 (fr) 1979-02-09

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Legal Events

Date Code Title Description
MKEX Expiry