DK156095B - Optisk foeler til detektering af rim- eller isafsaetning - Google Patents
Optisk foeler til detektering af rim- eller isafsaetning Download PDFInfo
- Publication number
- DK156095B DK156095B DK404484A DK404484A DK156095B DK 156095 B DK156095 B DK 156095B DK 404484 A DK404484 A DK 404484A DK 404484 A DK404484 A DK 404484A DK 156095 B DK156095 B DK 156095B
- Authority
- DK
- Denmark
- Prior art keywords
- ice
- ice deposition
- deposition
- optical
- optical path
- Prior art date
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)
- Measuring Fluid Pressure (AREA)
- Air Bags (AREA)
- Glass Compositions (AREA)
- Gyroscopes (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Light Receiving Elements (AREA)
- Geophysics And Detection Of Objects (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8302970 | 1983-08-25 | ||
NL8302970A NL8302970A (nl) | 1983-08-25 | 1983-08-25 | Opnemer voor de detectie van ijsafzetting op koelelementen. |
Publications (3)
Publication Number | Publication Date |
---|---|
DK404484D0 DK404484D0 (da) | 1984-08-24 |
DK404484A DK404484A (da) | 1985-02-26 |
DK156095B true DK156095B (da) | 1989-06-19 |
Family
ID=19842307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK404484A DK156095B (da) | 1983-08-25 | 1984-08-24 | Optisk foeler til detektering af rim- eller isafsaetning |
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)
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 Ind Co Ltd | Automatic defrosting control device |
CA1089949A (en) * | 1978-03-17 | 1980-11-18 | John H. Taylor | Frost detecting device |
-
1983
- 1983-08-25 NL NL8302970A patent/NL8302970A/nl not_active Application Discontinuation
-
1984
- 1984-08-23 EP EP84201212A patent/EP0135958B1/de not_active Expired
- 1984-08-23 AT AT84201212T patent/ATE30468T1/de not_active IP Right Cessation
- 1984-08-23 DE DE8484201212T patent/DE3467032D1/de not_active Expired
- 1984-08-24 DK DK404484A patent/DK156095B/da not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
EP0135958B1 (de) | 1987-10-28 |
DK404484D0 (da) | 1984-08-24 |
DE3467032D1 (en) | 1987-12-03 |
ATE30468T1 (de) | 1987-11-15 |
EP0135958A2 (de) | 1985-04-03 |
EP0135958A3 (en) | 1986-02-05 |
DK404484A (da) | 1985-02-26 |
NL8302970A (nl) | 1985-03-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PHB | Application deemed withdrawn due to non-payment or other reasons |