ZA741609B - Demand defrost control system - Google Patents

Demand defrost control system

Info

Publication number
ZA741609B
ZA741609B ZA00741609A ZA741609A ZA741609B ZA 741609 B ZA741609 B ZA 741609B ZA 00741609 A ZA00741609 A ZA 00741609A ZA 741609 A ZA741609 A ZA 741609A ZA 741609 B ZA741609 B ZA 741609B
Authority
ZA
South Africa
Prior art keywords
control system
defrost control
demand defrost
demand
defrost
Prior art date
Application number
ZA00741609A
Inventor
K Schulze-Berge
J Allard
Original Assignee
Amf 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 Amf Inc filed Critical Amf Inc
Publication of ZA741609B publication Critical patent/ZA741609B/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
    • F25D21/002—Defroster control

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)
ZA00741609A 1973-04-10 1974-03-12 Demand defrost control system ZA741609B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00349690A US3854915A (en) 1973-04-10 1973-04-10 Demand defrost control system

Publications (1)

Publication Number Publication Date
ZA741609B true ZA741609B (en) 1975-03-26

Family

ID=23373545

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00741609A ZA741609B (en) 1973-04-10 1974-03-12 Demand defrost control system

Country Status (9)

Country Link
US (1) US3854915A (en)
JP (1) JPS5012643A (en)
CA (1) CA995785A (en)
DE (1) DE2416184A1 (en)
FR (1) FR2225703B1 (en)
GB (1) GB1405082A (en)
IT (1) IT1015909B (en)
NO (1) NO741254L (en)
ZA (1) ZA741609B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51137225A (en) * 1975-05-21 1976-11-27 Hitachi Ltd Transmission device having a speed controller of vehicle
US4151723A (en) * 1977-07-15 1979-05-01 Emhart Industries, Inc. Refrigeration system control method and apparatus
JPS54152246A (en) * 1978-05-19 1979-11-30 Matsushita Refrig Co Defrosting control device
US4209994A (en) * 1978-10-24 1980-07-01 Honeywell Inc. Heat pump system defrost control
DE2850198A1 (en) * 1978-11-18 1980-05-29 Hamadeh Deicing control for refrigerator plant - has heating elements controlled in groups with temp. sensor cut=out to minimise energy consumed
US4265092A (en) * 1979-12-26 1981-05-05 Tyler Refrigeration Corporation Refrigerated display case using air defrost with supplemental heater
US4411139A (en) * 1981-04-09 1983-10-25 Amf Incorporated Defrost control system and display panel
GB2191309A (en) * 1985-11-26 1987-12-09 Bejam Group Plc De-frosting system for refrigerated cabinets, freezers or the like
IT1201778B (en) * 1986-07-03 1989-02-02 Zanussi Elettrodomestici CONTROL DEVICE FOR AUTOMATIC DEFROST REFRIGERANT APPLIANCE
US4745629A (en) * 1986-09-26 1988-05-17 United Technologies Corporation Duty cycle timer
US5363669A (en) * 1992-11-18 1994-11-15 Whirlpool Corporation Defrost cycle controller
US5440893A (en) * 1994-02-28 1995-08-15 Maytag Corporation Adaptive defrost control system
US6467282B1 (en) 2000-09-27 2002-10-22 Patrick D. French Frost sensor for use in defrost controls for refrigeration
KR101953120B1 (en) * 2012-08-27 2019-03-04 삼성전자주식회사 Cooling apparatus and controlling method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3277662A (en) * 1965-02-23 1966-10-11 Westinghouse Electric Corp Refrigeration system defrost control
US3460352A (en) * 1967-07-31 1969-08-12 Ranco Inc Defrost control
US3728867A (en) * 1971-04-29 1973-04-24 Ranco Inc Defrost control system
US3759049A (en) * 1972-02-25 1973-09-18 Whirlpool Co Defrost control

Also Published As

Publication number Publication date
JPS5012643A (en) 1975-02-08
US3854915A (en) 1974-12-17
NO135956B (en) 1977-03-21
FR2225703A1 (en) 1974-11-08
NO741254L (en) 1974-10-11
NO135956C (en) 1977-06-29
IT1015909B (en) 1977-05-20
FR2225703B1 (en) 1978-03-31
CA995785A (en) 1976-08-24
AU6762174A (en) 1975-10-09
DE2416184A1 (en) 1974-10-24
GB1405082A (en) 1975-09-03

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