FR2092720B1 - - Google Patents
Info
- Publication number
- FR2092720B1 FR2092720B1 FR707021449A FR7021449A FR2092720B1 FR 2092720 B1 FR2092720 B1 FR 2092720B1 FR 707021449 A FR707021449 A FR 707021449A FR 7021449 A FR7021449 A FR 7021449A FR 2092720 B1 FR2092720 B1 FR 2092720B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/33—Rotors having flexing arms
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Toys (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Wind Motors (AREA)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR707021449A FR2092720B1 (US20070244113A1-20071018-C00169.png) | 1970-06-11 | 1970-06-11 | |
IT9542/71A IT997038B (it) | 1970-06-11 | 1971-05-09 | Mozzo per eliche e turbomacchine a passo variabile in specie per eli cotteri aviogiri ed altro |
US00149561A US3807897A (en) | 1970-06-11 | 1971-06-03 | Rigid hubs for variable-pitch propellers and gas turbines |
ES1971197987U ES197987Y (es) | 1970-06-11 | 1971-06-05 | Disposicion de cubo rigido para helice de paso variable. |
BR3522/71A BR7103522D0 (pt) | 1970-06-11 | 1971-06-08 | Aperfeicoamentos em cubos rigidos para helices de passo variavel |
AR236104A AR198047A1 (es) | 1970-06-11 | 1971-06-09 | Mejoras en cubos para helices de paso variable |
NL717107978A NL149451B (nl) | 1970-06-11 | 1971-06-10 | Schroef voor een hefschroef- of draagschroefvliegtuig met veranderlijke spoed. |
GB1987371*[A GB1356281A (en) | 1970-06-11 | 1971-06-10 | Rigid rotors |
DE2129066A DE2129066C3 (de) | 1970-06-11 | 1971-06-11 | Schlag- und schwenkgelenkloser Rotor, insbesondere für Drehflügelflugzeuge |
SU1671077A SU445200A3 (ru) | 1970-06-11 | 1971-06-11 | Жесткая втулка воздушного винта изменяемого шага несущего винта вертолета |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR707021449A FR2092720B1 (US20070244113A1-20071018-C00169.png) | 1970-06-11 | 1970-06-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2092720A1 FR2092720A1 (US20070244113A1-20071018-C00169.png) | 1972-01-28 |
FR2092720B1 true FR2092720B1 (US20070244113A1-20071018-C00169.png) | 1974-07-12 |
Family
ID=9057024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR707021449A Expired FR2092720B1 (US20070244113A1-20071018-C00169.png) | 1970-06-11 | 1970-06-11 |
Country Status (10)
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2630703B1 (fr) * | 1988-04-29 | 1990-08-24 | Aerospatiale | Tete de rotor de giravion a tirants interpales de rappel elastique avec amortissement incorpore |
US20150078909A1 (en) * | 2013-09-16 | 2015-03-19 | Bell Helicopter Textron Inc. | Rotor blade and structural system for coupling the rotor blade in a rotor hub |
FR3053312B1 (fr) * | 2016-06-29 | 2019-07-19 | Airbus Helicopters | Rotor et aeronef pourvu d'un tel rotor |
EP3755623A1 (en) * | 2018-05-08 | 2020-12-30 | AVX Aircraft Company | Rotor hub |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2672202A (en) * | 1945-11-15 | 1954-03-16 | Autogiro Co Of America | Aircraft sustaining rotor blade damping system |
US3026942A (en) * | 1959-07-07 | 1962-03-27 | Bell Helicopter Corp | Helicopter rotor system |
US3280918A (en) * | 1965-04-26 | 1966-10-25 | Bell Aerospace Corp | Rotor construction |
DE1456107A1 (de) * | 1964-07-04 | 1968-12-19 | Westland Aircraft Ltd | Drehfluegelflugzeug |
FR1430178A (fr) * | 1964-12-15 | 1966-03-04 | Giravions Dorand | Procédé pour éviter l'échauffement excessif et contrôler la trajectoire d'un engin aérospatial |
FR1442684A (fr) * | 1965-06-30 | 1966-06-17 | Westland Aircraft Ltd | Perfectionnements aux têtes de rotor pour appareils d'aviation à voilure tournante |
US3330362A (en) * | 1966-05-31 | 1967-07-11 | Lockheed Aircraft Corp | Helicopter rotor |
FR1568117A (US20070244113A1-20071018-C00169.png) * | 1968-02-12 | 1969-05-23 | ||
FR2041762B1 (US20070244113A1-20071018-C00169.png) * | 1969-05-28 | 1973-11-16 | Aerospatiale |
-
1970
- 1970-06-11 FR FR707021449A patent/FR2092720B1/fr not_active Expired
-
1971
- 1971-05-09 IT IT9542/71A patent/IT997038B/it active
- 1971-06-03 US US00149561A patent/US3807897A/en not_active Expired - Lifetime
- 1971-06-05 ES ES1971197987U patent/ES197987Y/es not_active Expired
- 1971-06-08 BR BR3522/71A patent/BR7103522D0/pt unknown
- 1971-06-09 AR AR236104A patent/AR198047A1/es active
- 1971-06-10 GB GB1987371*[A patent/GB1356281A/en not_active Expired
- 1971-06-10 NL NL717107978A patent/NL149451B/xx unknown
- 1971-06-11 DE DE2129066A patent/DE2129066C3/de not_active Expired
- 1971-06-11 SU SU1671077A patent/SU445200A3/ru active
Also Published As
Publication number | Publication date |
---|---|
DE2129066C3 (de) | 1975-07-17 |
US3807897A (en) | 1974-04-30 |
AR198047A1 (es) | 1974-05-31 |
BR7103522D0 (pt) | 1973-04-12 |
DE2129066A1 (de) | 1971-12-16 |
NL149451B (nl) | 1976-05-17 |
NL7107978A (US20070244113A1-20071018-C00169.png) | 1971-12-14 |
IT997038B (it) | 1975-12-30 |
SU445200A3 (ru) | 1974-09-30 |
ES197987U (es) | 1975-06-01 |
FR2092720A1 (US20070244113A1-20071018-C00169.png) | 1972-01-28 |
DE2129066B2 (de) | 1974-12-05 |
GB1356281A (en) | 1974-06-12 |
ES197987Y (es) | 1975-11-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |