GB1340745A - Device for reducing the noise of a gaseous jet - Google Patents

Device for reducing the noise of a gaseous jet

Info

Publication number
GB1340745A
GB1340745A GB1011371*[A GB1011371A GB1340745A GB 1340745 A GB1340745 A GB 1340745A GB 1011371 A GB1011371 A GB 1011371A GB 1340745 A GB1340745 A GB 1340745A
Authority
GB
United Kingdom
Prior art keywords
jet
members
gas stream
stream
air
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
GB1011371*[A
Other languages
English (en)
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
Publication of GB1340745A publication Critical patent/GB1340745A/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
    • F02K1/50—Deflecting outwardly a portion of the jet by retractable scoop-like baffles

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Testing Of Engines (AREA)
  • Jet Pumps And Other Pumps (AREA)
GB1011371*[A 1970-04-21 1971-04-20 Device for reducing the noise of a gaseous jet Expired GB1340745A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR707014490A FR2091911B1 (enExample) 1970-04-21 1970-04-21

Publications (1)

Publication Number Publication Date
GB1340745A true GB1340745A (en) 1974-01-30

Family

ID=9054345

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1011371*[A Expired GB1340745A (en) 1970-04-21 1971-04-20 Device for reducing the noise of a gaseous jet

Country Status (3)

Country Link
US (1) US3682269A (enExample)
FR (1) FR2091911B1 (enExample)
GB (1) GB1340745A (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5143292A (en) * 1991-05-09 1992-09-01 General Electric Company Cooled leaf seal
US5593112A (en) * 1994-12-06 1997-01-14 United Technologies Corporation Nacelle air pump for vector nozzles for aircraft
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
US8316631B2 (en) * 2010-09-30 2012-11-27 Lockheed Martin Corporation Exhaust plume heat effect reducing method and apparatus
US9541030B2 (en) * 2013-11-27 2017-01-10 Lockheed Martin Corporation Exhaust plume cooling using periodic interruption of exhaust gas flow to form ambient air entraining vortices

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3020714A (en) * 1956-07-03 1962-02-13 Snecma Device for controlling the jet of a reaction propulsion motor
US3027714A (en) * 1959-06-11 1962-04-03 Canadair Ltd Combined thrust reversing and noise suppressing device for turbo-jet engines
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

Also Published As

Publication number Publication date
FR2091911B1 (enExample) 1974-03-01
DE2117823B2 (de) 1975-10-23
DE2117823A1 (de) 1971-11-04
US3682269A (en) 1972-08-08
FR2091911A1 (enExample) 1971-01-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee