IT1122255B - Sistema di ugello ad area variabile - Google Patents
Sistema di ugello ad area variabileInfo
- Publication number
- IT1122255B IT1122255B IT24549/79A IT2454979A IT1122255B IT 1122255 B IT1122255 B IT 1122255B IT 24549/79 A IT24549/79 A IT 24549/79A IT 2454979 A IT2454979 A IT 2454979A IT 1122255 B IT1122255 B IT 1122255B
- Authority
- IT
- Italy
- Prior art keywords
- variable area
- nozzle system
- area nozzle
- variable
- nozzle
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/06—Varying effective area of jet pipe or nozzle
- F02K1/12—Varying effective area of jet pipe or nozzle by means of pivoted flaps
- F02K1/1269—Varying effective area of jet pipe or nozzle by means of pivoted flaps of three series of flaps, the upstream series having its flaps hinged at their upstream ends on a fixed structure and the internal downstream series having its flaps hinged at their downstream ends on the downstream ends of the flaps of the external downstream series hinged on a fixed structure at their upstream ends
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Turbines (AREA)
- Supercharger (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/965,643 US4245787A (en) | 1978-12-01 | 1978-12-01 | Variable area nozzle system |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7924549A0 IT7924549A0 (it) | 1979-07-23 |
IT1122255B true IT1122255B (it) | 1986-04-23 |
Family
ID=25510268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24549/79A IT1122255B (it) | 1978-12-01 | 1979-07-23 | Sistema di ugello ad area variabile |
Country Status (5)
Country | Link |
---|---|
US (1) | US4245787A (it) |
JP (1) | JPS5575539A (it) |
CA (1) | CA1135966A (it) |
IT (1) | IT1122255B (it) |
SE (1) | SE433960B (it) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2714421B1 (fr) * | 1980-01-14 | 1996-03-01 | Snecma | Tuyère comportant un convergent-divergent réglable, notamment pour moteur à réaction. |
FR2474592A1 (fr) * | 1980-01-25 | 1981-07-31 | Snecma | Dispositif de tuyere de turboreacteur |
US4440346A (en) * | 1981-12-28 | 1984-04-03 | United Technologies Corporation | Axially translatable variable area convergent/divergent nozzle |
EP0091786B1 (en) * | 1982-04-07 | 1986-11-05 | ROLLS-ROYCE plc | Variable geometry nozzles for turbomachines |
US4552309A (en) * | 1982-04-07 | 1985-11-12 | Rolls-Royce Inc. | Variable geometry nozzles for turbomachines |
FR2608680B1 (fr) * | 1986-12-17 | 1989-03-17 | Snecma | Tuyere bidimensionnelle reglable, notamment pour reacteur d'avion |
US4978071A (en) * | 1989-04-11 | 1990-12-18 | General Electric Company | Nozzle with thrust vectoring in the yaw direction |
US5039014A (en) * | 1989-04-11 | 1991-08-13 | General Electric Company | Axisymmetric vectoring exhaust nozzle seal |
US4994660A (en) * | 1989-04-11 | 1991-02-19 | Hitachi, Ltd. | Axisymmetric vectoring exhaust nozzle |
US5076496A (en) * | 1990-02-05 | 1991-12-31 | General Electric Company | Exhaust nozzle flap seal |
US5235808A (en) * | 1990-02-12 | 1993-08-17 | General Electric Company | Exhaust nozzle including idle thrust spoiling |
US5082182A (en) * | 1990-08-23 | 1992-01-21 | United Technologies Corporation | Thrust vectoring exhaust nozzle |
US5261605A (en) * | 1990-08-23 | 1993-11-16 | United Technologies Corporation | Axisymmetric nozzle with gimbled unison ring |
US5303934A (en) * | 1991-02-20 | 1994-04-19 | General Electric Company | Fluidic actuator scraper seal |
US5150839A (en) * | 1991-03-14 | 1992-09-29 | General Electric Company | Nozzle load management |
US5174502A (en) * | 1991-05-10 | 1992-12-29 | General Electric Company | Support for a translating nozzle vectoring ring |
DE69232222T2 (de) * | 1991-05-16 | 2002-08-22 | General Electric Co., Schenectady | Hitzeschild für achsymmetrische schwenkbare Schubdüse |
FR2715192B1 (fr) * | 1994-01-20 | 1996-02-16 | Snecma | Tuyère d'éjection de turboréacteur. |
US5820024A (en) * | 1994-05-16 | 1998-10-13 | General Electric Company | Hollow nozzle actuating ring |
US5484105A (en) * | 1994-07-13 | 1996-01-16 | General Electric Company | Cooling system for a divergent section of a nozzle |
KR100641474B1 (ko) * | 1996-11-04 | 2006-10-31 | 제너럴 일렉트릭 캄파니 | 중공형 작동 링 |
US6892127B2 (en) * | 2003-02-28 | 2005-05-10 | General Electric Company | Methods and apparatus for assessing gas turbine engine damage |
US8020386B2 (en) * | 2007-08-21 | 2011-09-20 | United Technologies Corporation | Rollertrack pivoting axi-nozzle |
US7874160B2 (en) * | 2007-08-21 | 2011-01-25 | United Technologies Corporation | Nozzle-area ratio float bias |
US8123150B2 (en) | 2010-03-30 | 2012-02-28 | General Electric Company | Variable area fuel nozzle |
US8931281B2 (en) | 2010-06-07 | 2015-01-13 | United Technologies Corporation | External flap retaining mechanism |
US9677501B2 (en) * | 2013-03-13 | 2017-06-13 | Rolls-Royce North American Technologies, Inc. | Three stream, variable area fixed aperture nozzle with pneumatic actuation |
RU2614903C1 (ru) * | 2015-10-13 | 2017-03-30 | Открытое акционерное общество "Уфимское моторостроительное производственное объединение" ОАО "УМПО" | Регулируемое сверхзвуковое сопло газотурбинного двигателя |
GB201621331D0 (en) * | 2016-12-15 | 2017-02-01 | Rolls Royce Plc | A Nozzle |
FR3116084B1 (fr) * | 2020-11-09 | 2023-07-14 | Safran Aircraft Engines | Partie arriere de turboreacteur comprenant une tuyere dont des volets comprennent des leviers deplacables par des parois d'appui amont et aval |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2794317A (en) * | 1951-11-08 | 1957-06-04 | Westinghouse Electric Corp | Jet propulsion nozzle apparatus |
US2999354A (en) * | 1956-07-18 | 1961-09-12 | Curtiss Wright Corp | Variable area nozzle |
US2927424A (en) * | 1958-04-04 | 1960-03-08 | Orenda Engines Ltd | Variable area nozzle |
US2926491A (en) * | 1958-08-25 | 1960-03-01 | Orenda Engines Ltd | Actuating means for variable nozzles |
US3025666A (en) * | 1959-06-12 | 1962-03-20 | Rolls Royce | Propelling nozzles for jet propulsion gas turbine engines |
US4000855A (en) * | 1975-04-14 | 1977-01-04 | The United States Of America As Represented By The Secretary Of The Air Force | Bellcrank assembly, nozzle actuator |
US4064692A (en) * | 1975-06-02 | 1977-12-27 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Variable cycle gas turbine engines |
SE7702923L (sv) * | 1976-03-17 | 1977-09-18 | Rolls Royce 197 Ltd | Anordning vid munstycken for turbojetmotorer |
-
1978
- 1978-12-01 US US05/965,643 patent/US4245787A/en not_active Expired - Lifetime
-
1979
- 1979-07-23 IT IT24549/79A patent/IT1122255B/it active
- 1979-07-27 JP JP9510779A patent/JPS5575539A/ja active Granted
- 1979-07-27 SE SE7906422A patent/SE433960B/sv not_active IP Right Cessation
- 1979-11-30 CA CA000340991A patent/CA1135966A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4245787A (en) | 1981-01-20 |
CA1135966A (en) | 1982-11-23 |
JPS5575539A (en) | 1980-06-06 |
JPS631454B2 (it) | 1988-01-12 |
SE7906422L (sv) | 1980-06-02 |
SE433960B (sv) | 1984-06-25 |
IT7924549A0 (it) | 1979-07-23 |
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