BE779169A - DEFROST CONTROL UNIT FOR REFRIGERATION SYSTEMS - Google Patents

DEFROST CONTROL UNIT FOR REFRIGERATION SYSTEMS

Info

Publication number
BE779169A
BE779169A BE779169A BE779169A BE779169A BE 779169 A BE779169 A BE 779169A BE 779169 A BE779169 A BE 779169A BE 779169 A BE779169 A BE 779169A BE 779169 A BE779169 A BE 779169A
Authority
BE
Belgium
Prior art keywords
control unit
refrigeration systems
defrost control
defrost
refrigeration
Prior art date
Application number
BE779169A
Other languages
French (fr)
Inventor
L L Howland
Original Assignee
Thermo King Corp
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 Thermo King Corp filed Critical Thermo King Corp
Publication of BE779169A publication Critical patent/BE779169A/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
    • 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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
BE779169A 1971-02-12 1972-02-10 DEFROST CONTROL UNIT FOR REFRIGERATION SYSTEMS BE779169A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11488271A 1971-02-12 1971-02-12

Publications (1)

Publication Number Publication Date
BE779169A true BE779169A (en) 1972-08-10

Family

ID=22357988

Family Applications (1)

Application Number Title Priority Date Filing Date
BE779169A BE779169A (en) 1971-02-12 1972-02-10 DEFROST CONTROL UNIT FOR REFRIGERATION SYSTEMS

Country Status (7)

Country Link
US (1) US3726104A (en)
AU (1) AU461420B2 (en)
BE (1) BE779169A (en)
CA (1) CA940723A (en)
DE (1) DE2204722C3 (en)
FR (1) FR2125401B1 (en)
GB (1) GB1369026A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522791B1 (en) * 1982-03-05 1986-08-29 Loubet Eliane CONTROL EQUIPMENT FOR AIR CONDITIONING PRESSURIZERS, PARTICULARLY FOR WORKING CABINS IN POLLUTED ATMOSPHERE
US5201185A (en) * 1991-07-11 1993-04-13 Thermo King Corporation Method of operating a transport refrigeration unit
DE10315523A1 (en) * 2003-04-04 2004-10-14 BSH Bosch und Siemens Hausgeräte GmbH Refrigerator with adaptive automatic defrost and defrosting process for it
CN112066618B (en) * 2020-09-15 2021-12-21 长虹美菱股份有限公司 Little frost device of vertical freezer atmospheric pressure regulation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1984053A (en) * 1930-07-07 1934-12-11 Gen Fire Extinguisher Co Automatically-controlled refrigerative system
GB391363A (en) * 1931-11-03 1933-04-27 Fox Robert Improvements in alarm devices for fire-extinguishing sprinkler systems
US2346037A (en) * 1942-10-29 1944-04-04 Willson Products Inc Resettable meter for indicating use of respirator filter canisters
US2882364A (en) * 1956-10-15 1959-04-14 Samuel C Warren Safety switch
US3107499A (en) * 1961-09-22 1963-10-22 Honeywell Regulator Co Control apparatus
US3159981A (en) * 1963-03-14 1964-12-08 Gen Electric Heat pump including frost control means
US3159980A (en) * 1963-07-17 1964-12-08 Gen Electric Refrigerator including combination evaporator fan motor and defrost control
US3355904A (en) * 1966-01-21 1967-12-05 Texas Instruments Inc Differential fluid velocity sensing
US3370437A (en) * 1966-06-14 1968-02-27 Gen Motors Corp Defrosting system
US3377817A (en) * 1966-12-27 1968-04-16 Trane Co Defrost control for heating and cooling refrigeration systems
US3643457A (en) * 1970-11-20 1972-02-22 Westinghouse Electric Corp Frost detector for refrigeration system

Also Published As

Publication number Publication date
DE2204722A1 (en) 1972-08-24
DE2204722C3 (en) 1982-02-04
AU461420B2 (en) 1975-05-29
GB1369026A (en) 1974-10-02
AU3736071A (en) 1973-06-28
DE2204722B2 (en) 1981-06-25
CA940723A (en) 1974-01-29
US3726104A (en) 1973-04-10
FR2125401A1 (en) 1972-09-29
FR2125401B1 (en) 1976-07-23

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