SE456492B - Vermeutbrenningsskydd for avisningssystem for flygplanspropeller - Google Patents
Vermeutbrenningsskydd for avisningssystem for flygplanspropellerInfo
- Publication number
- SE456492B SE456492B SE8502338A SE8502338A SE456492B SE 456492 B SE456492 B SE 456492B SE 8502338 A SE8502338 A SE 8502338A SE 8502338 A SE8502338 A SE 8502338A SE 456492 B SE456492 B SE 456492B
- Authority
- SE
- Sweden
- Prior art keywords
- signal
- propeller
- switch
- frequency
- pulsed
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 claims description 23
- 230000004044 response Effects 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims 3
- 230000004048 modification Effects 0.000 claims 3
- 230000003213 activating effect Effects 0.000 claims 1
- 230000004913 activation Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- B64D15/12—De-icing or preventing icing on exterior surfaces of aircraft by electric heating
- B64D15/14—De-icing or preventing icing on exterior surfaces of aircraft by electric heating controlled cyclically along length of surface
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Control Of Resistance Heating (AREA)
- Control Of Temperature (AREA)
- Protection Of Generators And Motors (AREA)
- Catching Or Destruction (AREA)
- General Details Of Gearings (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Pipe Accessories (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60990884A | 1984-05-11 | 1984-05-11 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8502338D0 SE8502338D0 (sv) | 1985-05-10 |
| SE8502338L SE8502338L (sv) | 1985-11-12 |
| SE456492B true SE456492B (sv) | 1988-10-10 |
Family
ID=24442844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8502338A SE456492B (sv) | 1984-05-11 | 1985-05-10 | Vermeutbrenningsskydd for avisningssystem for flygplanspropeller |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS60244698A (it) |
| BR (1) | BR8502208A (it) |
| DE (1) | DE3515839A1 (it) |
| ES (1) | ES8607157A1 (it) |
| FR (1) | FR2564059B1 (it) |
| GB (1) | GB2158524B (it) |
| IT (1) | IT1183603B (it) |
| SE (1) | SE456492B (it) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990008695A1 (en) * | 1989-02-06 | 1990-08-09 | United Technologies Corporation | Retractable brush block |
| RU2093426C1 (ru) * | 1996-03-21 | 1997-10-20 | Йелстаун Корпорейшн Н.В. | Тепловая противообледенительная система вращаемого элемента |
| RU2098323C1 (ru) * | 1996-10-17 | 1997-12-10 | Йелстаун Корпорейшн Н.В. | Система электропитания противообледенительных элементов винта самолета |
| BRPI0520087A2 (pt) * | 2005-05-16 | 2009-04-14 | Bell Helicopter Textron Inc | sistema de controle de gelo; aeronave; e método para operação de dispositivos de proteção contra gelo em um rotor de uma aeronave |
| WO2025071868A1 (en) | 2023-09-30 | 2025-04-03 | Archer Aviation Inc. | Systems and methods for managing ice accretions during flight of aircraft |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2281273A1 (fr) * | 1974-08-05 | 1976-03-05 | Bronzavia Sa | Dispositif antigivrage d'une helice d'avion |
| FR2355716A2 (fr) * | 1976-06-23 | 1978-01-20 | Bronzavia Sa | Dispositif anti-givrage d'une helice d'avion |
-
1985
- 1985-05-02 DE DE19853515839 patent/DE3515839A1/de not_active Withdrawn
- 1985-05-03 GB GB08511398A patent/GB2158524B/en not_active Expired
- 1985-05-09 BR BR8502208A patent/BR8502208A/pt not_active IP Right Cessation
- 1985-05-10 SE SE8502338A patent/SE456492B/sv not_active IP Right Cessation
- 1985-05-10 JP JP60099405A patent/JPS60244698A/ja active Pending
- 1985-05-10 FR FR8507115A patent/FR2564059B1/fr not_active Expired
- 1985-05-10 IT IT8520657A patent/IT1183603B/it active
- 1985-05-10 ES ES543002A patent/ES8607157A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2158524B (en) | 1987-08-05 |
| IT1183603B (it) | 1987-10-22 |
| IT8520657A0 (it) | 1985-05-10 |
| ES8607157A1 (es) | 1986-06-01 |
| JPS60244698A (ja) | 1985-12-04 |
| BR8502208A (pt) | 1986-01-14 |
| SE8502338D0 (sv) | 1985-05-10 |
| ES543002A0 (es) | 1986-06-01 |
| GB2158524A (en) | 1985-11-13 |
| GB8511398D0 (en) | 1985-06-12 |
| DE3515839A1 (de) | 1985-11-14 |
| FR2564059A1 (fr) | 1985-11-15 |
| FR2564059B1 (fr) | 1988-12-09 |
| SE8502338L (sv) | 1985-11-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 8502338-0 Effective date: 19931210 Format of ref document f/p: F |