GB1229003A - - Google Patents

Info

Publication number
GB1229003A
GB1229003A GB1229003DA GB1229003A GB 1229003 A GB1229003 A GB 1229003A GB 1229003D A GB1229003D A GB 1229003DA GB 1229003 A GB1229003 A GB 1229003A
Authority
GB
United Kingdom
Prior art keywords
evaporator
pressure
switch
defrosting
amplifier
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
Other languages
English (en)
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 GB1229003A publication Critical patent/GB1229003A/en
Expired 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
    • F25D21/02—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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Defrosting Systems (AREA)
GB1229003D 1967-11-24 1968-11-22 Expired GB1229003A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68559367A 1967-11-24 1967-11-24

Publications (1)

Publication Number Publication Date
GB1229003A true GB1229003A (enExample) 1971-04-21

Family

ID=24752883

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1229003D Expired GB1229003A (enExample) 1967-11-24 1968-11-22

Country Status (3)

Country Link
US (1) US3479836A (enExample)
FR (1) FR1592834A (enExample)
GB (1) GB1229003A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133130A (en) * 1982-12-22 1984-07-18 Elf Aquitaine Process and device for the monitoring and control of the defrosting of an evaporator

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4332141A (en) * 1980-08-25 1982-06-01 Honeywell Inc. Defrost control system for refrigeration system
US5239834A (en) * 1992-07-13 1993-08-31 Travers Richard H Auxiliary outside air refrigeration system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3250083A (en) * 1964-06-10 1966-05-10 Controls Co Of America Frost sensing device
US3309887A (en) * 1965-10-18 1967-03-21 Gen Electric Household refrigerator including defrost control means

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2133130A (en) * 1982-12-22 1984-07-18 Elf Aquitaine Process and device for the monitoring and control of the defrosting of an evaporator

Also Published As

Publication number Publication date
FR1592834A (enExample) 1970-05-19
US3479836A (en) 1969-11-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees