IT1044076B - Attacco di pala per rale di rotore di elicotteri - Google Patents
Attacco di pala per rale di rotore di elicotteriInfo
- Publication number
- IT1044076B IT1044076B IT28819/75A IT2881975A IT1044076B IT 1044076 B IT1044076 B IT 1044076B IT 28819/75 A IT28819/75 A IT 28819/75A IT 2881975 A IT2881975 A IT 2881975A IT 1044076 B IT1044076 B IT 1044076B
- Authority
- IT
- Italy
- Prior art keywords
- shovel
- attack
- helicopter rotor
- helicopter
- rotor
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/001—Vibration damping devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/51—Damping of blade movements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Springs (AREA)
- Vibration Dampers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2452974A DE2452974C3 (de) | 1974-11-08 | 1974-11-08 | Hubschrauberrotorblatt |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1044076B true IT1044076B (it) | 1980-03-20 |
Family
ID=5930320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT28819/75A IT1044076B (it) | 1974-11-08 | 1975-10-30 | Attacco di pala per rale di rotore di elicotteri |
Country Status (5)
Country | Link |
---|---|
US (1) | US4028000A (it) |
DE (1) | DE2452974C3 (it) |
FR (1) | FR2290348A1 (it) |
GB (1) | GB1500091A (it) |
IT (1) | IT1044076B (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4178130A (en) * | 1976-04-06 | 1979-12-11 | United Technologies Corporation | Helicopter rotor having lead-lag damper operable with pitch and flap decoupling |
IT1155133B (it) * | 1982-03-11 | 1987-01-21 | Agusta Aeronaut Costr | Rotore per elicotteri |
DE3464036D1 (en) * | 1983-08-22 | 1987-07-09 | Westland Plc | Helicopter rotors |
US5913659A (en) * | 1993-11-22 | 1999-06-22 | United Technologies Corporation | Apparatus and method for adjusting rotor blade tracking |
US7857590B1 (en) | 2006-08-11 | 2010-12-28 | Neal Larry R | Folding rotor for a rotorcraft |
WO2014100655A1 (en) * | 2012-12-21 | 2014-06-26 | Bell Helicopter Textron, Inc. | System and method for linkage length adjustment |
DE102019000918B3 (de) * | 2019-02-08 | 2020-07-16 | Giesecke+Devrient Currency Technology Gmbh | Herstellung eines Kunststoff-Sicherheitssubstrats mit eingebettetem Sicherheitselement und Kunststoff-Sicherheitssubstrat |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1948457A (en) * | 1931-06-29 | 1934-02-20 | Autogiro Co Of America | Aircraft sustaining rotor |
US2284717A (en) * | 1938-04-28 | 1942-06-02 | Autogiro Co Of America | Aircraft sustaining rotor |
US2494985A (en) * | 1946-10-26 | 1950-01-17 | Firestone Tire & Rubber Co | Aircraft rotor damping device |
US2952030A (en) * | 1957-10-07 | 1960-09-13 | Guilbert Inc | Snubbing means for reciprocating elements |
FR1580399A (it) * | 1968-07-04 | 1969-09-05 | ||
US3552880A (en) * | 1968-09-27 | 1971-01-05 | Ver Flugtechnische Werke | Blade connection for helicopters |
US3923419A (en) * | 1969-10-16 | 1975-12-02 | Rene Louis Mouille | Damped elastic tie device between rotor blade and hub on rotary-wing aircraft |
US3842945A (en) * | 1971-05-13 | 1974-10-22 | J Potter | Viscoelastic damper |
US3759631A (en) * | 1972-07-05 | 1973-09-18 | United Aircraft Corp | Compound bearing for connecting a helicopter blade to a helicopter rotor |
-
1974
- 1974-11-08 DE DE2452974A patent/DE2452974C3/de not_active Expired
-
1975
- 1975-10-20 GB GB43024/75A patent/GB1500091A/en not_active Expired
- 1975-10-22 FR FR7532335A patent/FR2290348A1/fr active Granted
- 1975-10-30 IT IT28819/75A patent/IT1044076B/it active
- 1975-10-31 US US05/627,702 patent/US4028000A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB1500091A (en) | 1978-02-08 |
DE2452974C3 (de) | 1978-03-09 |
US4028000A (en) | 1977-06-07 |
DE2452974B2 (de) | 1977-07-21 |
DE2452974A1 (de) | 1976-05-13 |
FR2290348A1 (fr) | 1976-06-04 |
FR2290348B3 (it) | 1980-05-16 |
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