AU8992582A - Improved optical defrost apparatus - Google Patents

Improved optical defrost apparatus

Info

Publication number
AU8992582A
AU8992582A AU89925/82A AU8992582A AU8992582A AU 8992582 A AU8992582 A AU 8992582A AU 89925/82 A AU89925/82 A AU 89925/82A AU 8992582 A AU8992582 A AU 8992582A AU 8992582 A AU8992582 A AU 8992582A
Authority
AU
Australia
Prior art keywords
improved optical
defrost apparatus
defrost
optical
improved
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.)
Abandoned
Application number
AU89925/82A
Inventor
Richard H Alsenz
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU8992582A publication Critical patent/AU8992582A/en
Abandoned 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
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/11—Sensor to detect if defrost is necessary
    • F25B2700/111—Sensor to detect if defrost is necessary using an emitter and receiver, e.g. sensing by emitting light or other radiation and receiving reflection by a sensor
AU89925/82A 1982-08-27 1982-08-27 Improved optical defrost apparatus Abandoned AU8992582A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1982/001163 WO1984001019A1 (en) 1982-08-27 1982-08-27 Improved optical defrost apparatus

Publications (1)

Publication Number Publication Date
AU8992582A true AU8992582A (en) 1984-03-29

Family

ID=22168159

Family Applications (1)

Application Number Title Priority Date Filing Date
AU89925/82A Abandoned AU8992582A (en) 1982-08-27 1982-08-27 Improved optical defrost apparatus

Country Status (3)

Country Link
EP (1) EP0118436A1 (en)
AU (1) AU8992582A (en)
WO (1) WO1984001019A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2413075B1 (en) * 2010-07-29 2021-02-17 Lg Electronics Inc. Refrigerator and method for controlling the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045223A (en) * 1959-07-08 1962-07-17 Chicago Aerial Ind Inc Device for detecting the presence of foreign material
US3120108A (en) * 1961-03-30 1964-02-04 Gen Motors Corp Refrigerating apparatus including defrost control
US3188828A (en) * 1961-12-04 1965-06-15 Chicago Aerial Ind Inc Photo-electric ice detecting device
US3585483A (en) * 1969-12-17 1971-06-15 Clifford D Skirvin Power supply
US3737731A (en) * 1971-04-05 1973-06-05 A Zeewy Flashing circuit
US4109481A (en) * 1976-12-16 1978-08-29 Gte Sylvania Incorporated Frost detector

Also Published As

Publication number Publication date
WO1984001019A1 (en) 1984-03-15
EP0118436A1 (en) 1984-09-19

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