FR2126922A1 - - Google Patents

Info

Publication number
FR2126922A1
FR2126922A1 FR7101797A FR7101797A FR2126922A1 FR 2126922 A1 FR2126922 A1 FR 2126922A1 FR 7101797 A FR7101797 A FR 7101797A FR 7101797 A FR7101797 A FR 7101797A FR 2126922 A1 FR2126922 A1 FR 2126922A1
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.)
Granted
Application number
FR7101797A
Other languages
French (fr)
Other versions
FR2126922B1 (forum.php
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SNECMA SAS filed Critical SNECMA SAS
Priority to FR7101797A priority Critical patent/FR2126922B1/fr
Priority to GB139172A priority patent/GB1338892A/en
Priority to US00219108A priority patent/US3721314A/en
Priority to DE19722202679 priority patent/DE2202679C3/de
Publication of FR2126922A1 publication Critical patent/FR2126922A1/fr
Application granted granted Critical
Publication of FR2126922B1 publication Critical patent/FR2126922B1/fr
Expired legal-status Critical Current

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
    • F02K1/54—Nozzles having means for reversing jet thrust
    • F02K1/56—Reversing jet main flow
    • F02K1/60—Reversing jet main flow by blocking the rearward discharge by means of pivoted eyelids or clamshells, e.g. target-type reversers
    • 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
    • F02K1/38—Introducing air inside the jet
    • F02K1/383—Introducing air inside the jet with retractable elements
    • 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
    • F02K1/46—Nozzles having means for adding air to the jet or for augmenting the mixing region between the jet and the ambient air, e.g. for silencing
    • F02K1/50—Deflecting outwardly a portion of the jet by retractable scoop-like baffles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
FR7101797A 1971-01-20 1971-01-20 Expired FR2126922B1 (forum.php)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7101797A FR2126922B1 (forum.php) 1971-01-20 1971-01-20
GB139172A GB1338892A (en) 1971-01-20 1972-01-12 Silencer or muffler for the composite nozzle of an aircraft jet engine
US00219108A US3721314A (en) 1971-01-20 1972-01-19 Silencer or muffler for the composite nozzle of an aircraft jet engine
DE19722202679 DE2202679C3 (de) 1971-01-20 1972-01-20 Schalldämpfereinrichtung für eine Mehrkörperdüse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7101797A FR2126922B1 (forum.php) 1971-01-20 1971-01-20

Publications (2)

Publication Number Publication Date
FR2126922A1 true FR2126922A1 (forum.php) 1972-10-13
FR2126922B1 FR2126922B1 (forum.php) 1975-01-17

Family

ID=9070567

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7101797A Expired FR2126922B1 (forum.php) 1971-01-20 1971-01-20

Country Status (3)

Country Link
US (1) US3721314A (forum.php)
FR (1) FR2126922B1 (forum.php)
GB (1) GB1338892A (forum.php)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2602550A1 (fr) * 1986-08-11 1988-02-12 Fage Etienne Turbomoteur a double flux a tuyere confluente variable
FR2698913A1 (fr) * 1992-12-04 1994-06-10 Hurel Dubois Avions Ensemble d'inversion de poussée à portes équipé d'un dispositif de contrôle de jet.
FR2717859A1 (fr) * 1994-03-28 1995-09-29 Sud Ouest Conception Aeronauti Turbomoteur à double flux équipé d'un système d'inversion de poussée et d'un dispositif de restriction du canal d'éjection des gaz froids, et dispositif de restriction équipant un tel turbomoteur.
EP0887538A1 (fr) * 1997-06-26 1998-12-30 Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" Ejecteur et mélangeur déployable pour turbomachines
WO2008045050A1 (en) 2006-10-12 2008-04-17 United Technologies Corporation Gas turbine engine with fan variable area nozzle, nacelle assembly and method of varying area of a fan nozzle

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3837577A (en) * 1973-06-29 1974-09-24 United Aircraft Corp Minimum drag variable area exhaust nozzle
US4516660A (en) * 1980-09-22 1985-05-14 Greenlaw Alfred L Ejector and method for controlling jet engine noise
GB2289921A (en) * 1994-06-03 1995-12-06 A E Harris Limited Nozzle for turbofan aeroengines
US5821472A (en) * 1995-05-16 1998-10-13 Northrop Grumman Corporation Supersonic aircraft exhaust noise suppression system
US5801341A (en) * 1995-05-16 1998-09-01 Northrop Grumman Corporation Mechanism of noise suppression system for a supersonic aircraft
US7581692B2 (en) * 2003-06-30 2009-09-01 General Electric Company Fluidic chevrons and configurable thermal shield for jet noise reduction
US8157207B2 (en) * 2006-08-09 2012-04-17 The Boeing Company Jet engine nozzle exit configurations, including projections oriented relative to pylons, and associated systems and methods
US7966824B2 (en) 2006-08-09 2011-06-28 The Boeing Company Jet engine nozzle exit configurations and associated systems and methods
US7870722B2 (en) * 2006-12-06 2011-01-18 The Boeing Company Systems and methods for passively directing aircraft engine nozzle flows
US7966826B2 (en) * 2007-02-14 2011-06-28 The Boeing Company Systems and methods for reducing noise from jet engine exhaust
US7963099B2 (en) * 2007-05-21 2011-06-21 General Electric Company Fluted chevron exhaust nozzle
US11149688B2 (en) * 2018-10-05 2021-10-19 The Boeing Company Blocker door pressure relief systems and methods
US11566583B2 (en) 2021-02-09 2023-01-31 Rohr, Inc. Fluid scoop for a thrust reverser system
US12270356B2 (en) 2022-08-01 2025-04-08 Rohr, Inc. Thrust reverser cascade with one or more flow disrupters
US12435682B2 (en) 2022-08-01 2025-10-07 Rohr, Inc. Thrust reverser cascade with offset vane leading edges
US11873781B1 (en) 2022-08-01 2024-01-16 Rohr, Inc. Thrust reverser cascade with one or more flow stabilizers

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3032981A (en) * 1957-02-11 1962-05-08 Boeing Co Noise suppressor and thrust reverser for jet engine nozzles
FR1401425A (fr) * 1964-04-24 1965-06-04 Aviation Louis Breguet Sa Dispositif de tuyère d'éjection pour avions à réaction

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2997845A (en) * 1957-03-22 1961-08-29 Rolls Royce Jet propulsion nozzle adjustable to give forward and reverse thrusts
US3061038A (en) * 1959-10-30 1962-10-30 Boeing Co Jet engine noise suppression nozzle with multiple settings
US3347466A (en) * 1966-11-15 1967-10-17 Mark R Nichols Nacelle afterbody for jet engines
FR1524105A (fr) * 1967-01-18 1968-05-10 Snecma Perfectionnements aux silencieux pour tuyères de propulsion composites
FR1515199A (fr) * 1967-01-18 1968-03-01 Snecma Silencieux mixte pour tuyères de propulsion composites
US3543877A (en) * 1967-07-07 1970-12-01 Nationale D Etude De Construct Silencer device for an ejector-type jet propulsion nozzle
FR1547756A (fr) * 1967-10-19 1968-11-29 Snecma Silencieux pour réacteurs aéronautiques
US3612209A (en) * 1969-11-28 1971-10-12 Gen Electric Propulsion nozzle with combined thrust reverser and sound suppressor mechanism

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3032981A (en) * 1957-02-11 1962-05-08 Boeing Co Noise suppressor and thrust reverser for jet engine nozzles
FR1401425A (fr) * 1964-04-24 1965-06-04 Aviation Louis Breguet Sa Dispositif de tuyère d'éjection pour avions à réaction

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2602550A1 (fr) * 1986-08-11 1988-02-12 Fage Etienne Turbomoteur a double flux a tuyere confluente variable
FR2698913A1 (fr) * 1992-12-04 1994-06-10 Hurel Dubois Avions Ensemble d'inversion de poussée à portes équipé d'un dispositif de contrôle de jet.
EP0601910A1 (fr) * 1992-12-04 1994-06-15 SOCIETE DE CONSTRUCTION DES AVIONS HUREL-DUBOIS (société anonyme) Ensemble d'inversion de poussée à portes équipé d'un dispositif de contrôle de jet
FR2717859A1 (fr) * 1994-03-28 1995-09-29 Sud Ouest Conception Aeronauti Turbomoteur à double flux équipé d'un système d'inversion de poussée et d'un dispositif de restriction du canal d'éjection des gaz froids, et dispositif de restriction équipant un tel turbomoteur.
US5495710A (en) * 1994-03-28 1996-03-05 Conception Aeronautique Du Sud-Ouest Dual-flow turbine engine equipped with a thrust reversal system and a device for restricting the annular channel for the ejection of cold gases, and a restriction device equipping such a turbine engine
EP0887538A1 (fr) * 1997-06-26 1998-12-30 Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" Ejecteur et mélangeur déployable pour turbomachines
FR2765272A1 (fr) * 1997-06-26 1998-12-31 Snecma Arriere-corps ejecteur et melangeur de turbomachine
US6178742B1 (en) 1997-06-26 2001-01-30 Societe Nationale d'Etude et de Construction de Moteurs d'Aviation “SNECMA” Rear mixer ejector for a turbomachine
WO2008045050A1 (en) 2006-10-12 2008-04-17 United Technologies Corporation Gas turbine engine with fan variable area nozzle, nacelle assembly and method of varying area of a fan nozzle
US8365515B2 (en) 2006-10-12 2013-02-05 United Technologies Corporation Gas turbine engine with fan variable area nozzle, nacelle assembly and method of varying area of a fan nozzle

Also Published As

Publication number Publication date
US3721314A (en) 1973-03-20
DE2202679B2 (de) 1976-07-29
DE2202679A1 (de) 1972-08-03
FR2126922B1 (forum.php) 1975-01-17
GB1338892A (en) 1973-11-28

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Legal Events

Date Code Title Description
ST Notification of lapse