CA1041782A - Control means for refrigeration systems - Google Patents

Control means for refrigeration systems

Info

Publication number
CA1041782A
CA1041782A CA233,413A CA233413A CA1041782A CA 1041782 A CA1041782 A CA 1041782A CA 233413 A CA233413 A CA 233413A CA 1041782 A CA1041782 A CA 1041782A
Authority
CA
Canada
Prior art keywords
defrosting
evaporators
evaporator
defrost
contacts
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
CA233,413A
Other languages
English (en)
French (fr)
Inventor
Elmer D. Zickwolf
Benjamin R. Willitts
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
Application granted granted Critical
Publication of CA1041782A publication Critical patent/CA1041782A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B47/00Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02Defrosting cycles
    • F25B47/022Defrosting cycles hot gas defrosting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/002Defroster control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2347/00Details for preventing or removing deposits or corrosion
    • F25B2347/02Details of defrosting cycles
    • F25B2347/021Alternate defrosting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00General 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
    • F25B2400/07Details of compressors or related parts
    • F25B2400/075Details of compressors or related parts with parallel compressors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00General 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
    • F25B2400/22Refrigeration systems for supermarkets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B5/00Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
CA233,413A 1974-08-15 1975-08-13 Control means for refrigeration systems Expired CA1041782A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49761074A 1974-08-15 1974-08-15
US60001175A 1975-08-04 1975-08-04

Publications (1)

Publication Number Publication Date
CA1041782A true CA1041782A (en) 1978-11-07

Family

ID=27052572

Family Applications (1)

Application Number Title Priority Date Filing Date
CA233,413A Expired CA1041782A (en) 1974-08-15 1975-08-13 Control means for refrigeration systems

Country Status (5)

Country Link
BR (1) BR7505229A (de)
CA (1) CA1041782A (de)
DE (1) DE2536398C3 (de)
FR (1) FR2288957A1 (de)
GB (1) GB1524366A (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151723A (en) * 1977-07-15 1979-05-01 Emhart Industries, Inc. Refrigeration system control method and apparatus
US4184341A (en) * 1978-04-03 1980-01-22 Pet Incorporated Suction pressure control system
DE2850198A1 (de) * 1978-11-18 1980-05-29 Hamadeh Steueranlage zum abtauen von kuehlstellen
FR2519746A1 (fr) * 1982-01-08 1983-07-18 Bonnet Ets Programmateur de degivrage d'une installation frigorifique multipostes
ATE29290T1 (de) * 1982-09-30 1987-09-15 Kurt Thalheimer Kuehlhaus.
WO1994020803A1 (en) * 1993-03-08 1994-09-15 Greenhalgh Refrigeration Pty Ltd Refrigeration process and apparatus
DE4318671A1 (de) * 1993-06-04 1994-12-08 Linde Ag Verfahren zum Betreiben einer (Verbund-)Kälteanlage und (Verbund-)Kälteanlage zum Betreiben dieses Verfahrens
DE4330925C2 (de) * 1993-09-13 1997-03-20 Loh Kg Rittal Werk Kühlgerät für einen Schaltschrank oder ein Elektronikgehäuse mit Vereisungsschutzeinrichtung
AT402026B (de) * 1994-09-29 1997-01-27 Gossler Ewald Verfahren und vorrichtung zum kühlen von gasen
JP4211847B2 (ja) * 2007-01-17 2009-01-21 ダイキン工業株式会社 冷凍装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3234753A (en) * 1963-01-03 1966-02-15 Lester K Quick Hot gas refrigeration defrosting system
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
US3756037A (en) * 1972-01-21 1973-09-04 Dole Refrigerating Co Immersion means for electrically defrosting refrigeration plates

Also Published As

Publication number Publication date
DE2536398B2 (de) 1980-08-07
FR2288957B1 (de) 1980-04-25
GB1524366A (en) 1978-09-13
DE2536398C3 (de) 1981-03-26
DE2536398A1 (de) 1976-03-04
FR2288957A1 (fr) 1976-05-21
BR7505229A (pt) 1976-08-03

Similar Documents

Publication Publication Date Title
US4151722A (en) Automatic defrost control for refrigeration systems
US4228846A (en) Control apparatus for a two-speed heat pump
CA1059329A (en) Two stage compressor heating
CA1041782A (en) Control means for refrigeration systems
US6141978A (en) Method and apparatus for eliminating unnecessary defrost cycles in heat pump systems
US4137725A (en) Compressor control for a reversible heat pump
US5156010A (en) Defrost control method for a heat pump
EP0123554A2 (de) Kälteaggregat
JP2001091022A (ja) 空気調和機
US2969959A (en) Refrigerating apparatus
EP0246465A1 (de) Kältemittelkreislauf mit Drehverdichter
US3894404A (en) Hot gas defrost refrigeration system
JP3418097B2 (ja) ショーケースの除霜制御方法
US3277662A (en) Refrigeration system defrost control
JPH0674940B2 (ja) オープンショーケースの除霜制御装置
JPH09287868A (ja) ショーケースの除霜制御方法
JPS6027321Y2 (ja) 冷暖房装置
JPS6051335B2 (ja) 給電制御装置
JPH0338620Y2 (de)
JPS61114042A (ja) 空気調和機の除霜制御装置
JPH0550665B2 (de)
JPH0645824Y2 (ja) 冷蔵庫における異常発生時の冷却切換え制御装置
JP2567710B2 (ja) 冷却装置の運転制御装置
JP3071027B2 (ja) 冷凍冷蔵ショーケースの除霜制御方法
JP3071024B2 (ja) 冷凍冷蔵ショーケースの異常表示方法