NL8302970A - Opnemer voor de detectie van ijsafzetting op koelelementen. - Google Patents

Opnemer voor de detectie van ijsafzetting op koelelementen. Download PDF

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Publication number
NL8302970A
NL8302970A NL8302970A NL8302970A NL8302970A NL 8302970 A NL8302970 A NL 8302970A NL 8302970 A NL8302970 A NL 8302970A NL 8302970 A NL8302970 A NL 8302970A NL 8302970 A NL8302970 A NL 8302970A
Authority
NL
Netherlands
Prior art keywords
ice
forming surface
deposition
detection
sensor
Prior art date
Application number
NL8302970A
Other languages
English (en)
Dutch (nl)
Original Assignee
Contronics Holland Bv
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 Contronics Holland Bv filed Critical Contronics Holland Bv
Priority to NL8302970A priority Critical patent/NL8302970A/nl
Priority to DE8484201212T priority patent/DE3467032D1/de
Priority to EP84201212A priority patent/EP0135958B1/en
Priority to AT84201212T priority patent/ATE30468T1/de
Priority to DK404484A priority patent/DK156095B/da
Publication of NL8302970A publication Critical patent/NL8302970A/nl

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

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)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Glass Compositions (AREA)
  • Gyroscopes (AREA)
  • Air Bags (AREA)
  • Measuring Fluid Pressure (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Light Receiving Elements (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
NL8302970A 1983-08-25 1983-08-25 Opnemer voor de detectie van ijsafzetting op koelelementen. NL8302970A (nl)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL8302970A NL8302970A (nl) 1983-08-25 1983-08-25 Opnemer voor de detectie van ijsafzetting op koelelementen.
DE8484201212T DE3467032D1 (en) 1983-08-25 1984-08-23 Optical ice-deposition sensor
EP84201212A EP0135958B1 (en) 1983-08-25 1984-08-23 Optical ice-deposition sensor
AT84201212T ATE30468T1 (de) 1983-08-25 1984-08-23 Optischer eisbelaganzeiger.
DK404484A DK156095B (da) 1983-08-25 1984-08-24 Optisk foeler til detektering af rim- eller isafsaetning

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8302970A NL8302970A (nl) 1983-08-25 1983-08-25 Opnemer voor de detectie van ijsafzetting op koelelementen.
NL8302970 1983-08-25

Publications (1)

Publication Number Publication Date
NL8302970A true NL8302970A (nl) 1985-03-18

Family

ID=19842307

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8302970A NL8302970A (nl) 1983-08-25 1983-08-25 Opnemer voor de detectie van ijsafzetting op koelelementen.

Country Status (5)

Country Link
EP (1) EP0135958B1 (da)
AT (1) ATE30468T1 (da)
DE (1) DE3467032D1 (da)
DK (1) DK156095B (da)
NL (1) NL8302970A (da)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2297370A (en) * 1938-07-20 1942-09-29 Hoover Co Refrigeration
US3280577A (en) * 1963-11-20 1966-10-25 Matsushita Electric Industrial Co Ltd Automatic defrosting control device
CA1089949A (en) * 1978-03-17 1980-11-18 John H. Taylor Frost detecting device

Also Published As

Publication number Publication date
EP0135958A2 (en) 1985-04-03
ATE30468T1 (de) 1987-11-15
EP0135958A3 (en) 1986-02-05
EP0135958B1 (en) 1987-10-28
DK156095B (da) 1989-06-19
DK404484A (da) 1985-02-26
DE3467032D1 (en) 1987-12-03
DK404484D0 (da) 1984-08-24

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