IL95545A - Control circuit for ice detectors - Google Patents
Control circuit for ice detectorsInfo
- Publication number
- IL95545A IL95545A IL9554590A IL9554590A IL95545A IL 95545 A IL95545 A IL 95545A IL 9554590 A IL9554590 A IL 9554590A IL 9554590 A IL9554590 A IL 9554590A IL 95545 A IL95545 A IL 95545A
- Authority
- IL
- Israel
- Prior art keywords
- time
- circuit
- temperature
- icing
- heating
- Prior art date
Links
- 230000008018 melting Effects 0.000 claims description 25
- 238000002844 melting Methods 0.000 claims description 25
- 239000000523 sample Substances 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000005259 measurement Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims 2
- 230000006870 function Effects 0.000 description 7
- 230000005284 excitation Effects 0.000 description 6
- 230000004927 fusion Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D15/00—De-icing or preventing icing on exterior surfaces of aircraft
- B64D15/20—Means for detecting icing or initiating de-icing
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
- G08B19/02—Alarm responsive to formation or anticipated formation of ice
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Control Of Resistance Heating (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US41025189A | 1989-09-21 | 1989-09-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL95545A0 IL95545A0 (en) | 1991-06-30 |
| IL95545A true IL95545A (en) | 1994-07-31 |
Family
ID=23623913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL9554590A IL95545A (en) | 1989-09-21 | 1990-08-31 | Control circuit for ice detectors |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0494226B1 (de) |
| JP (1) | JPH05500489A (de) |
| BR (1) | BR9007672A (de) |
| CA (1) | CA2064028A1 (de) |
| DE (1) | DE69021069T2 (de) |
| ES (1) | ES2074581T3 (de) |
| IL (1) | IL95545A (de) |
| WO (1) | WO1991004646A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2712981B1 (fr) * | 1993-11-25 | 1996-01-12 | Sextant Avionique | Procédé et dispositifs de détermination de la sévérité des conditions givrantes pour un aéronef. |
| DE19528862A1 (de) * | 1995-08-05 | 1997-02-06 | Aloys Wobben | Verfahren zum Enteisen eines Rotorblattes einer Windenergieanlage sowie zur Durchführung des Verfahrens geeignetes Rotorblatt |
| US8517601B2 (en) | 2010-09-10 | 2013-08-27 | Ultra Electronics Limited | Ice detection system and method |
| FR3024226B1 (fr) * | 2014-07-23 | 2019-05-10 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procede et systeme de detection de givre |
| CN112214047B (zh) * | 2020-08-27 | 2021-11-16 | 烟台三鼎化工有限公司 | 反应釜用温度调控方法、装置、计算机设备及存储介质 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2928208C2 (de) * | 1979-07-12 | 1983-10-20 | Apparatebau Gauting Gmbh, 8035 Gauting | Verfahren zur Erkennung einer Vereisungsgefahr sowie Eiswarnsensor zur Durchführung dieses Verfahrens |
| US4333004A (en) * | 1980-02-19 | 1982-06-01 | Dataproducts New England, Inc. | Detecting ice forming weather conditions |
| US4522512A (en) * | 1982-05-05 | 1985-06-11 | The United States Of America As Represented By The Secretary Of The Army | Thermal conductivity measurement method |
| US4980673A (en) * | 1987-06-10 | 1990-12-25 | Rosemount Inc. | Ice detector circuit |
-
1990
- 1990-08-09 DE DE69021069T patent/DE69021069T2/de not_active Expired - Fee Related
- 1990-08-09 BR BR909007672A patent/BR9007672A/pt not_active Application Discontinuation
- 1990-08-09 ES ES90914835T patent/ES2074581T3/es not_active Expired - Lifetime
- 1990-08-09 WO PCT/US1990/004479 patent/WO1991004646A1/en not_active Ceased
- 1990-08-09 EP EP90914835A patent/EP0494226B1/de not_active Expired - Lifetime
- 1990-08-09 CA CA002064028A patent/CA2064028A1/en not_active Abandoned
- 1990-08-09 JP JP2513699A patent/JPH05500489A/ja active Pending
- 1990-08-31 IL IL9554590A patent/IL95545A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE69021069D1 (de) | 1995-08-24 |
| CA2064028A1 (en) | 1991-03-22 |
| WO1991004646A1 (en) | 1991-04-04 |
| ES2074581T3 (es) | 1995-09-16 |
| EP0494226B1 (de) | 1995-07-19 |
| EP0494226A4 (en) | 1992-10-21 |
| EP0494226A1 (de) | 1992-07-15 |
| IL95545A0 (en) | 1991-06-30 |
| JPH05500489A (ja) | 1993-02-04 |
| DE69021069T2 (de) | 1996-03-21 |
| BR9007672A (pt) | 1992-06-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| RH | Patent void |