FR1542668A - Improvements to silencers for ventilated nozzles - Google Patents

Improvements to silencers for ventilated nozzles

Info

Publication number
FR1542668A
FR1542668A FR118940A FR118940A FR1542668A FR 1542668 A FR1542668 A FR 1542668A FR 118940 A FR118940 A FR 118940A FR 118940 A FR118940 A FR 118940A FR 1542668 A FR1542668 A FR 1542668A
Authority
FR
France
Prior art keywords
silencers
ventilated
nozzles
ventilated nozzles
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
Application number
FR118940A
Other languages
French (fr)
Inventor
Rene Gerard Hoch
Jean-Claude Pierre Henri Phi T
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
Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
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 Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA, SNECMA SAS filed Critical Societe Nationale dEtude et de Construction de Moteurs dAviation SNECMA
Priority to FR118940A priority Critical patent/FR1542668A/en
Application granted granted Critical
Publication of FR1542668A publication Critical patent/FR1542668A/en
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
    • F02K1/28—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto using fluid jets to influence the jet flow
    • F02K1/34—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto using fluid jets to influence the jet flow for attenuating noise
    • 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
    • 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)
FR118940A 1967-08-24 1967-08-24 Improvements to silencers for ventilated nozzles Expired FR1542668A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR118940A FR1542668A (en) 1967-08-24 1967-08-24 Improvements to silencers for ventilated nozzles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR118940A FR1542668A (en) 1967-08-24 1967-08-24 Improvements to silencers for ventilated nozzles

Publications (1)

Publication Number Publication Date
FR1542668A true FR1542668A (en) 1968-10-18

Family

ID=8637331

Family Applications (1)

Application Number Title Priority Date Filing Date
FR118940A Expired FR1542668A (en) 1967-08-24 1967-08-24 Improvements to silencers for ventilated nozzles

Country Status (1)

Country Link
FR (1) FR1542668A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2928183A1 (en) * 2008-02-29 2009-09-04 Aircelle Sa NOISE REDUCTION DEVICE FOR AN AIRCRAFT ENGINE OF THE MOBILE CHEVRONS TYPE
FR2929335A1 (en) * 2008-03-31 2009-10-02 Airbus France Sas NOISE REDUCTION DEVICE GENERATED BY AN AIRCRAFT REACTOR WITH FLUID JETS OF THE SAME ORIENTATION
FR2929334A1 (en) * 2008-03-31 2009-10-02 Airbus France Sas DEVICE FOR REDUCING NOISE GENERATION BY AIRCRAFT REACTOR WITH BLEED FLUID CONDUITS
WO2011141678A1 (en) 2010-05-12 2011-11-17 Snecma Device for reducing the noise emitted by the jet of an aircraft propulsion engine
FR2987078A1 (en) * 2012-02-17 2013-08-23 Snecma Propulsion Solide REAR BODY ASSEMBLY OF AERONAUTICAL GAS TURBINE ENGINE
CN107636289A (en) * 2015-03-26 2018-01-26 赛峰飞机发动机公司 With the grid for microjet to reduce the device of the injection noise of turbogenerator

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2928183A1 (en) * 2008-02-29 2009-09-04 Aircelle Sa NOISE REDUCTION DEVICE FOR AN AIRCRAFT ENGINE OF THE MOBILE CHEVRONS TYPE
WO2009118472A1 (en) * 2008-02-29 2009-10-01 Aircelle Trailing edge for an aircraft engine, of the type with moving chevrons
CN101960131B (en) * 2008-02-29 2014-09-03 埃尔塞乐公司 Trailing edge for an aircraft engine, of the type with moving chevrons
US8393435B2 (en) 2008-02-29 2013-03-12 Aircelle Trailing edge for an aircraft engine, of the type with moving chevrons
WO2009133272A2 (en) * 2008-03-31 2009-11-05 Airbus France Device for reducing the noise generated by an aircraft jet engine with fluid jets of the same orientation
US8157050B2 (en) 2008-03-31 2012-04-17 Airbus Operations (S.A.S.) Device for reducing noise generated by an aircraft jet engine with curve ducts
WO2009133272A3 (en) * 2008-03-31 2009-12-30 Airbus Operations Device for reducing the noise generated by an aircraft jet engine with fluid jets of the same orientation
WO2009133271A3 (en) * 2008-03-31 2010-10-07 Airbus Operations Device for reducing noise generated by an aircraft jet engine with curve ducts
CN101981300A (en) * 2008-03-31 2011-02-23 空中客车运营公司 Device for reducing the noise generated by an aircraft jet engine with fluid jets of the same orientation
CN102037232A (en) * 2008-03-31 2011-04-27 空中客车运营公司 Device for reducing noise generated by an aircraft jet engine with curve ducts
FR2929335A1 (en) * 2008-03-31 2009-10-02 Airbus France Sas NOISE REDUCTION DEVICE GENERATED BY AN AIRCRAFT REACTOR WITH FLUID JETS OF THE SAME ORIENTATION
WO2009133271A2 (en) * 2008-03-31 2009-11-05 Airbus France Device for reducing noise generated by an aircraft jet engine with curve ducts
FR2929334A1 (en) * 2008-03-31 2009-10-02 Airbus France Sas DEVICE FOR REDUCING NOISE GENERATION BY AIRCRAFT REACTOR WITH BLEED FLUID CONDUITS
US8770921B2 (en) 2008-03-31 2014-07-08 Airbus Operations S.A.S. Systems and methods for reducing noise from jet engine exhaust
CN101981300B (en) * 2008-03-31 2013-10-30 空中客车运营公司 Device for reducing noise generated by aircraft jet engine with fluid jets of same orientation
CN102037232B (en) * 2008-03-31 2014-01-01 空中客车运营公司 Device for reducing noise generated by an aircraft jet engine with curve ducts
WO2011141678A1 (en) 2010-05-12 2011-11-17 Snecma Device for reducing the noise emitted by the jet of an aircraft propulsion engine
FR2987078A1 (en) * 2012-02-17 2013-08-23 Snecma Propulsion Solide REAR BODY ASSEMBLY OF AERONAUTICAL GAS TURBINE ENGINE
CN107636289A (en) * 2015-03-26 2018-01-26 赛峰飞机发动机公司 With the grid for microjet to reduce the device of the injection noise of turbogenerator

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