FR2451859B1 - Perfectionnement apporte aux helicopteres - Google Patents
Perfectionnement apporte aux helicopteresInfo
- Publication number
- FR2451859B1 FR2451859B1 FR8006195A FR8006195A FR2451859B1 FR 2451859 B1 FR2451859 B1 FR 2451859B1 FR 8006195 A FR8006195 A FR 8006195A FR 8006195 A FR8006195 A FR 8006195A FR 2451859 B1 FR2451859 B1 FR 2451859B1
- Authority
- FR
- France
- Prior art keywords
- helicopters
- improvement
- Prior art date
- 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
- B64C27/82—Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/82—Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
- B64C2027/8218—Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft wherein the rotor or the jet axis is inclined with respect to the longitudinal horizontal or vertical plane of the helicopter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/82—Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
- B64C2027/8227—Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft comprising more than one rotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/82—Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
- B64C2027/8263—Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft comprising in addition rudders, tails, fins, or the like
- B64C2027/829—Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft comprising in addition rudders, tails, fins, or the like comprising a V-tail units
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7910385 | 1979-03-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2451859A1 FR2451859A1 (fr) | 1980-10-17 |
FR2451859B1 true FR2451859B1 (fr) | 1985-07-19 |
Family
ID=10504107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8006195A Expired FR2451859B1 (fr) | 1979-03-23 | 1980-03-20 | Perfectionnement apporte aux helicopteres |
Country Status (5)
Country | Link |
---|---|
US (1) | US4347997A (fr) |
JP (1) | JPS55127299A (fr) |
DE (1) | DE3010903A1 (fr) |
FR (1) | FR2451859B1 (fr) |
IT (1) | IT1144092B (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4493465A (en) * | 1982-04-16 | 1985-01-15 | Chandler Evans Inc. | Helicopter engine torque compensator |
GB2185951B (en) * | 1986-02-04 | 1989-07-05 | Rolls Royce | Helicopter rotor and engine control |
DE3817978A1 (de) * | 1988-05-27 | 1989-12-07 | Herbert Zemann | Hubschrauber mit schwenkbarem heckrotor |
US5607122A (en) * | 1994-12-22 | 1997-03-04 | Bell Helicopter Textron Inc. | Tail rotor authority control for a helicopter |
DE29602559U1 (de) * | 1996-02-14 | 1996-04-18 | Kaehler Kai | Drehflügelluftfahrzeug |
US8196855B2 (en) * | 2009-11-23 | 2012-06-12 | Balkus Jr Carl E | Helicopter auxiliary anti-torque system |
KR101217804B1 (ko) * | 2010-06-01 | 2013-01-22 | (주)선택이앤티 | 하방 조정프로펠러형 비행체 |
FR2983171B1 (fr) * | 2011-11-30 | 2014-03-21 | Eurocopter France | Dispositif anti-couple a poussee longitudinale pour un giravion |
US10124889B2 (en) * | 2015-05-06 | 2018-11-13 | Sikorsky Aircraft Corporation | Tail rotor failure recovery controller |
US11148799B2 (en) * | 2018-11-26 | 2021-10-19 | Textron Innovations Inc. | Tilting duct compound helicopter |
US11814164B1 (en) * | 2022-04-26 | 2023-11-14 | Textron Innovations Inc. | Active blade-pitch change systems and methods |
US11702189B1 (en) | 2022-08-17 | 2023-07-18 | Textron Innovations Inc. | Actuated blade-pitch change mechanisms |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2733878A (en) * | 1956-02-07 | ciscel | ||
CA125005A (fr) * | 1910-01-26 | 1910-04-12 | Gilbert Van Alan Pine | Couteau et appareil d'impression pour rouleaux de papier |
US1635897A (en) * | 1925-12-23 | 1927-07-12 | Nelson Hans Julius | Aeroplane |
US1964179A (en) * | 1928-03-19 | 1934-06-26 | Trew F Poole | Airplane |
US2130918A (en) * | 1937-10-09 | 1938-09-20 | Stefano John B De | Helicopter |
US2225002A (en) * | 1938-12-03 | 1940-12-17 | Focke Henrich | Control means for rotating wing aircraft |
DE695917C (de) * | 1938-12-04 | 1940-09-05 | E H Henrich Focke Dipl Ing Dr | Aus Verstell-Luftschrauben bestehendes Hoehen- und Seitenleitwerk fuer Hubschrauber |
US2491549A (en) * | 1945-01-24 | 1949-12-20 | United Aircraft Corp | Helicopter |
FR920531A (fr) * | 1945-01-24 | 1947-04-10 | United Aircraft Corp | Perfectionnement aux hélicoptères |
US2420784A (en) * | 1945-05-16 | 1947-05-20 | Glenn L Martin Co | Helicopter with antitorque propellers |
US2699833A (en) * | 1946-10-05 | 1955-01-18 | United Aircraft Corp | Helicopter automatic torque compensator |
US2514205A (en) * | 1948-05-05 | 1950-07-04 | Firestone Tire & Rubber Co | Helicopter rotor arrangement |
US2514206A (en) * | 1948-05-11 | 1950-07-04 | Firestone Tire & Rubber Co | Rotor mounting for helicopters |
US2702084A (en) * | 1952-05-20 | 1955-02-15 | Ministerio Da Aeronautica | Aircraft of the helicopter type having dual tail rotors |
FR1511006A (fr) * | 1966-12-13 | 1968-01-26 | Sud Aviation | Dispositif directionnel et propulsif pour hélicoptère |
US3426982A (en) * | 1967-02-03 | 1969-02-11 | Ronald L Markwood | Vertiplane vtol aircraft |
US3540680A (en) * | 1968-05-24 | 1970-11-17 | Lockheed Aircraft Corp | Dual rotor system for helicopters |
-
1980
- 1980-03-20 FR FR8006195A patent/FR2451859B1/fr not_active Expired
- 1980-03-21 IT IT48236/80A patent/IT1144092B/it active
- 1980-03-21 DE DE19803010903 patent/DE3010903A1/de active Granted
- 1980-03-22 JP JP3678980A patent/JPS55127299A/ja active Pending
- 1980-03-24 US US06/133,095 patent/US4347997A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3010903A1 (de) | 1980-10-09 |
IT8048236A0 (it) | 1980-03-21 |
JPS55127299A (en) | 1980-10-01 |
FR2451859A1 (fr) | 1980-10-17 |
DE3010903C2 (fr) | 1987-12-17 |
IT1144092B (it) | 1986-10-29 |
US4347997A (en) | 1982-09-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI800165A (fi) | Skidbindning speciellt foer terraengskidning | |
NO146828C (no) | Vingeenhet for prosjektil. | |
DK205780A (da) | Urethanbindemidler | |
DK188381A (da) | Foererhus | |
FI793637A (fi) | Anordning foer lagring av sjaelvupphettande radioaktiva aemnen | |
SE8006074L (sv) | Bildskerm for katodstralror | |
SE7904223L (sv) | Violinstod (fiolstod) | |
IT8067030A0 (it) | Pneumatico particolarmente per aerei | |
BR8001470A (pt) | Junto homocinetica | |
FR2451859B1 (fr) | Perfectionnement apporte aux helicopteres | |
FI803395L (fi) | List foeretraedesvis fotlist | |
IT1131865B (it) | Immagazzinatore | |
SE7904987L (sv) | Hallare for vermeror | |
NO150268C (no) | Boggi for jernbanevogn | |
FR2462240B1 (fr) | Perfectionnements apportes aux rasoirs | |
SE8003894L (sv) | Fotoglor for segelbredor | |
DK430480A (da) | Sibund isaer til centrifuger | |
SE8008675L (sv) | Visarverk for ur | |
DK79380A (da) | Hexitolforbindelser | |
DK143992C (da) | Nakkelaas til sobindsel | |
FI791634A (fi) | Anordning foer avgivning av en uppmaett maengd av loesgods | |
BR8006683A (pt) | Helicoptero | |
RO77172A2 (fr) | Foret pour percage profond | |
BR7901803A (pt) | Aeronave | |
SE7909847L (sv) | Forfarande for avgradning |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |