CH652673A5 - Hubschrauber. - Google Patents
Hubschrauber. Download PDFInfo
- Publication number
- CH652673A5 CH652673A5 CH6471/81A CH647181A CH652673A5 CH 652673 A5 CH652673 A5 CH 652673A5 CH 6471/81 A CH6471/81 A CH 6471/81A CH 647181 A CH647181 A CH 647181A CH 652673 A5 CH652673 A5 CH 652673A5
- Authority
- CH
- Switzerland
- Prior art keywords
- servo
- signal
- signals
- pitch
- trim
- Prior art date
Links
- 230000004044 response Effects 0.000 claims description 6
- 230000001419 dependent effect Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 description 114
- 238000004364 calculation method Methods 0.000 description 27
- 238000000034 method Methods 0.000 description 25
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 22
- 230000006870 function Effects 0.000 description 21
- 230000008569 process Effects 0.000 description 21
- 238000010586 diagram Methods 0.000 description 10
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 230000000737 periodic effect Effects 0.000 description 5
- 235000014676 Phragmites communis Nutrition 0.000 description 4
- 238000012937 correction Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/473—Constructional features
- B64C27/50—Blades foldable to facilitate stowage of aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Toys (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/195,808 US4354234A (en) | 1980-10-10 | 1980-10-10 | Automatic lock-positioning of foldable helicopter blades |
| US06/195,723 US4376979A (en) | 1980-10-10 | 1980-10-10 | Updated lock-positioning of foldable helicopter blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH652673A5 true CH652673A5 (de) | 1985-11-29 |
Family
ID=26891271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH6471/81A CH652673A5 (de) | 1980-10-10 | 1981-10-09 | Hubschrauber. |
Country Status (8)
| Country | Link |
|---|---|
| AU (1) | AU540743B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1161413A (enrdf_load_stackoverflow) |
| CH (1) | CH652673A5 (enrdf_load_stackoverflow) |
| DE (1) | DE3139720C2 (enrdf_load_stackoverflow) |
| ES (1) | ES506143A0 (enrdf_load_stackoverflow) |
| FR (1) | FR2491865A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2085194B (enrdf_load_stackoverflow) |
| IT (1) | IT1138938B (enrdf_load_stackoverflow) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4696445A (en) * | 1986-09-18 | 1987-09-29 | United Technologies Corporation | Collective control system for a helicopter |
| AU587363B1 (en) * | 1988-07-27 | 1989-08-10 | Richard Henry Tollervey | Improvements to helicopter rotor blades |
| FR2754779B1 (fr) * | 1996-10-22 | 1998-12-31 | Eurocopter France | Procede de repliage des pales d'un rotor principal de giravion et dispositif de mise en oeuvre |
| USD528003S1 (en) * | 2004-01-21 | 2006-09-12 | Broomfield | Bottle |
| USD523341S1 (en) * | 2004-01-21 | 2006-06-20 | Ball Corporation | Bottle |
| FR2931132B1 (fr) * | 2008-05-19 | 2010-04-23 | Eurocopter France | Systeme de commande assiste d'un giravon |
| US9682771B2 (en) | 2013-08-14 | 2017-06-20 | Sikorsky Aircraft Corporation | Controlling rotor blades of a swashplateless rotor |
| CN114692291B (zh) * | 2021-12-29 | 2024-09-06 | 中国航空工业集团公司西安飞机设计研究所 | 一种考虑重心影响的螺旋桨飞机纵向气动力配平方法 |
| CN114465065B (zh) * | 2022-01-06 | 2023-11-03 | 广东汇天航空航天科技有限公司 | 飞行器主轴滑环装置、飞行器旋翼系统及飞行器 |
| CN114802739B (zh) * | 2022-06-09 | 2023-04-07 | 广东汇天航空航天科技有限公司 | 飞行器的旋翼定位方法、飞行器和存储介质 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3698662A (en) * | 1970-10-12 | 1972-10-17 | Lockheed Aircraft Corp | Apparatus and method for sequencing the folding and unfolding of rotor blades in a compound vehicle |
| US4103848A (en) * | 1977-03-08 | 1978-08-01 | United Technologies Corporation | Variable incidence helicopter stabilator and fail safe actuator |
| US4284387A (en) * | 1979-05-02 | 1981-08-18 | United Technologies Corp. | Blade fold restraint system |
-
1981
- 1981-09-17 CA CA000386099A patent/CA1161413A/en not_active Expired
- 1981-10-01 GB GB8129608A patent/GB2085194B/en not_active Expired
- 1981-10-06 DE DE3139720A patent/DE3139720C2/de not_active Expired - Fee Related
- 1981-10-09 AU AU76227/81A patent/AU540743B2/en not_active Ceased
- 1981-10-09 CH CH6471/81A patent/CH652673A5/de not_active IP Right Cessation
- 1981-10-09 IT IT24415/81A patent/IT1138938B/it active
- 1981-10-09 ES ES506143A patent/ES506143A0/es active Granted
- 1981-10-12 FR FR8119141A patent/FR2491865A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| ES8206331A1 (es) | 1982-08-16 |
| DE3139720C2 (de) | 1994-02-10 |
| IT1138938B (it) | 1986-09-17 |
| FR2491865B1 (enrdf_load_stackoverflow) | 1983-12-23 |
| GB2085194B (en) | 1984-03-07 |
| DE3139720A1 (de) | 1982-05-19 |
| FR2491865A1 (fr) | 1982-04-16 |
| IT8124415A0 (it) | 1981-10-09 |
| GB2085194A (en) | 1982-04-21 |
| CA1161413A (en) | 1984-01-31 |
| AU540743B2 (en) | 1984-11-29 |
| ES506143A0 (es) | 1982-08-16 |
| AU7622781A (en) | 1982-04-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |