DK475577A - DEFROST SYSTEM WITH HEAT PUMP - Google Patents

DEFROST SYSTEM WITH HEAT PUMP

Info

Publication number
DK475577A
DK475577A DK475577A DK475577A DK475577A DK 475577 A DK475577 A DK 475577A DK 475577 A DK475577 A DK 475577A DK 475577 A DK475577 A DK 475577A DK 475577 A DK475577 A DK 475577A
Authority
DK
Denmark
Prior art keywords
heat pump
defrost system
defrost
pump
heat
Prior art date
Application number
DK475577A
Other languages
Danish (da)
Inventor
F J Sisk
Original Assignee
Electric Power Res Inst
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
Priority claimed from US05/768,451 external-priority patent/US4191026A/en
Application filed by Electric Power Res Inst filed Critical Electric Power Res Inst
Publication of DK475577A publication Critical patent/DK475577A/en

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
    • 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
    • F25D21/06—Removing frost
    • F25D21/08—Removing frost by electric heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F17/00—Removing ice or water from heat-exchange apparatus

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)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DK475577A 1977-01-03 1977-10-26 DEFROST SYSTEM WITH HEAT PUMP DK475577A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75631277A 1977-01-03 1977-01-03
US05/768,451 US4191026A (en) 1977-02-14 1977-02-14 Apparatus for defrosting low temperature heat exchanger

Publications (1)

Publication Number Publication Date
DK475577A true DK475577A (en) 1978-07-04

Family

ID=27116206

Family Applications (1)

Application Number Title Priority Date Filing Date
DK475577A DK475577A (en) 1977-01-03 1977-10-26 DEFROST SYSTEM WITH HEAT PUMP

Country Status (4)

Country Link
CA (1) CA1067303A (en)
DE (1) DE2738430A1 (en)
DK (1) DK475577A (en)
NO (1) NO144303C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2925677C2 (en) * 1979-06-26 1983-03-24 Stiebel Eltron Gmbh & Co Kg, 3450 Holzminden Control device for a defrosting device of a refrigeration unit

Also Published As

Publication number Publication date
NO144303C (en) 1981-08-05
NO772839L (en) 1978-07-04
NO144303B (en) 1981-04-27
CA1067303A (en) 1979-12-04
DE2738430A1 (en) 1978-07-13

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment