ATE30468T1 - Optischer eisbelaganzeiger. - Google Patents

Optischer eisbelaganzeiger.

Info

Publication number
ATE30468T1
ATE30468T1 AT84201212T AT84201212T ATE30468T1 AT E30468 T1 ATE30468 T1 AT E30468T1 AT 84201212 T AT84201212 T AT 84201212T AT 84201212 T AT84201212 T AT 84201212T AT E30468 T1 ATE30468 T1 AT E30468T1
Authority
AT
Austria
Prior art keywords
ice
deposition
floor indicator
optical
optical ice
Prior art date
Application number
AT84201212T
Other languages
English (en)
Inventor
Gerrit R Toes
Original Assignee
Contronics Holland
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 filed Critical Contronics Holland
Application granted granted Critical
Publication of ATE30468T1 publication Critical patent/ATE30468T1/de

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)
AT84201212T 1983-08-25 1984-08-23 Optischer eisbelaganzeiger. ATE30468T1 (de)

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.
EP84201212A EP0135958B1 (de) 1983-08-25 1984-08-23 Optischer Eisbelaganzeiger

Publications (1)

Publication Number Publication Date
ATE30468T1 true ATE30468T1 (de) 1987-11-15

Family

ID=19842307

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84201212T ATE30468T1 (de) 1983-08-25 1984-08-23 Optischer eisbelaganzeiger.

Country Status (5)

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

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 (de) 1985-04-03
NL8302970A (nl) 1985-03-18
EP0135958A3 (en) 1986-02-05
EP0135958B1 (de) 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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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties