CA940723A - Refrigeration system defrost initiation apparatus - Google Patents

Refrigeration system defrost initiation apparatus

Info

Publication number
CA940723A
CA940723A CA127,187A CA127187A CA940723A CA 940723 A CA940723 A CA 940723A CA 127187 A CA127187 A CA 127187A CA 940723 A CA940723 A CA 940723A
Authority
CA
Canada
Prior art keywords
refrigeration system
system defrost
initiation apparatus
defrost initiation
refrigeration
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
CA127,187A
Other languages
English (en)
Other versions
CA127187S (en
Inventor
Leland L. Howland
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.)
Thermo King Corp
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
Application granted granted Critical
Publication of CA940723A publication Critical patent/CA940723A/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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
CA127,187A 1971-02-12 1971-11-09 Refrigeration system defrost initiation apparatus Expired CA940723A (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
CA940723A true CA940723A (en) 1974-01-29

Family

ID=22357988

Family Applications (1)

Application Number Title Priority Date Filing Date
CA127,187A Expired CA940723A (en) 1971-02-12 1971-11-09 Refrigeration system defrost initiation apparatus

Country Status (7)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2522791B1 (fr) * 1982-03-05 1986-08-29 Loubet Eliane Equipement de controle pour pressuriseurs conditionneurs d'air notamment pour cabines de travail en atmosphere polluee
US5201185A (en) * 1991-07-11 1993-04-13 Thermo King Corporation Method of operating a transport refrigeration unit
DE10315523A1 (de) * 2003-04-04 2004-10-14 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit adaptiver Abtauautomatik und Abtauverfahren dafür
CN112066618B (zh) * 2020-09-15 2021-12-21 长虹美菱股份有限公司 一种立式冷冻箱气压调节微霜装置

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
DE2204722B2 (de) 1981-06-25
FR2125401B1 (OSRAM) 1976-07-23
AU461420B2 (en) 1975-05-29
BE779169A (fr) 1972-08-10
FR2125401A1 (OSRAM) 1972-09-29
DE2204722C3 (de) 1982-02-04
US3726104A (en) 1973-04-10
AU3736071A (en) 1973-06-28
DE2204722A1 (de) 1972-08-24
GB1369026A (en) 1974-10-02

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