FR3100282B1 - Couple volet convergent-volet divergent pour tuyère de turboréacteur à géométrie variable dont les volets comprennent des conduits de circulation d’air de refroidissement raccordés par emmanchement - Google Patents

Couple volet convergent-volet divergent pour tuyère de turboréacteur à géométrie variable dont les volets comprennent des conduits de circulation d’air de refroidissement raccordés par emmanchement Download PDF

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Publication number
FR3100282B1
FR3100282B1 FR1909543A FR1909543A FR3100282B1 FR 3100282 B1 FR3100282 B1 FR 3100282B1 FR 1909543 A FR1909543 A FR 1909543A FR 1909543 A FR1909543 A FR 1909543A FR 3100282 B1 FR3100282 B1 FR 3100282B1
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France
Prior art keywords
flap
cooling air
air circulation
convergent
plug
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Active
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FR1909543A
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English (en)
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FR3100282A1 (fr
Inventor
Thierry Kohn
Frédéric Paul Eichstadt
Florent Luc Lacombe
François Leglaye
Pannerer Brice Marie Yves Emile Le
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Safran Aircraft Engines SAS
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Safran Aircraft Engines SAS
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Priority to FR1909543A priority Critical patent/FR3100282B1/fr
Publication of FR3100282A1 publication Critical patent/FR3100282A1/fr
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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
    • F02K1/1223—Varying effective area of jet pipe or nozzle by means of pivoted flaps of two series of flaps, the upstream series having its flaps hinged at their upstream ends on a fixed structure and the downstream series having its flaps hinged at their upstream ends on the downstream ends of the flaps of the upstream series
    • 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
    • F02K1/78—Other construction of jet pipes
    • F02K1/82—Jet pipe walls, e.g. liners
    • F02K1/822—Heat insulating structures or liners, cooling arrangements, e.g. post combustion liners; Infrared radiation suppressors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Dans un couple volet convergent-volet divergent (52B) pour tuyère (28) de turboréacteur de type convergente-divergente à géométrie variable, le volet convergent (40B) et le volet divergent (42B) comprennent des conduits de circulation d’air de refroidissement (70, 78) respectifs raccordés l’un à l’autre par emmanchement pour permettre un refroidissement de chacun des volets. Figure 5A
FR1909543A 2019-08-30 2019-08-30 Couple volet convergent-volet divergent pour tuyère de turboréacteur à géométrie variable dont les volets comprennent des conduits de circulation d’air de refroidissement raccordés par emmanchement Active FR3100282B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1909543A FR3100282B1 (fr) 2019-08-30 2019-08-30 Couple volet convergent-volet divergent pour tuyère de turboréacteur à géométrie variable dont les volets comprennent des conduits de circulation d’air de refroidissement raccordés par emmanchement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1909543A FR3100282B1 (fr) 2019-08-30 2019-08-30 Couple volet convergent-volet divergent pour tuyère de turboréacteur à géométrie variable dont les volets comprennent des conduits de circulation d’air de refroidissement raccordés par emmanchement
FR1909543 2019-08-30

Publications (2)

Publication Number Publication Date
FR3100282A1 FR3100282A1 (fr) 2021-03-05
FR3100282B1 true FR3100282B1 (fr) 2023-02-10

Family

ID=70154436

Family Applications (1)

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FR1909543A Active FR3100282B1 (fr) 2019-08-30 2019-08-30 Couple volet convergent-volet divergent pour tuyère de turboréacteur à géométrie variable dont les volets comprennent des conduits de circulation d’air de refroidissement raccordés par emmanchement

Country Status (1)

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FR (1) FR3100282B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081137A (en) * 1977-01-05 1978-03-28 The United States Of America As Represented By The Secretary Of The Air Force Finned surface cooled nozzle
JPH0711259B2 (ja) * 1989-09-07 1995-02-08 ゼネラル・エレクトリック・カンパニイ 排気ノズルヒンジ
US5720434A (en) * 1991-11-05 1998-02-24 General Electric Company Cooling apparatus for aircraft gas turbine engine exhaust nozzles

Also Published As

Publication number Publication date
FR3100282A1 (fr) 2021-03-05

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