FR2022913A1 - - Google Patents

Info

Publication number
FR2022913A1
FR2022913A1 FR6938486A FR6938486A FR2022913A1 FR 2022913 A1 FR2022913 A1 FR 2022913A1 FR 6938486 A FR6938486 A FR 6938486A FR 6938486 A FR6938486 A FR 6938486A FR 2022913 A1 FR2022913 A1 FR 2022913A1
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.)
Withdrawn
Application number
FR6938486A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2022913A1 publication Critical patent/FR2022913A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/24—Heat or noise insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/04—Air intakes for gas-turbine plants or jet-propulsion plants
    • F02C7/045—Air intakes for gas-turbine plants or jet-propulsion plants having provisions for noise suppression
    • 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
    • F02K1/827—Sound absorbing structures or liners
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0536—Highspeed fluid intake means [e.g., jet engine intake]

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)
  • Exhaust Silencers (AREA)
FR6938486A 1968-11-08 1969-11-07 Withdrawn FR2022913A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77440368A 1968-11-08 1968-11-08

Publications (1)

Publication Number Publication Date
FR2022913A1 true FR2022913A1 (fr) 1970-08-07

Family

ID=25101126

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6938486A Withdrawn FR2022913A1 (fr) 1968-11-08 1969-11-07

Country Status (6)

Country Link
US (1) US3533486A (fr)
JP (1) JPS5125522B1 (fr)
BE (1) BE740122A (fr)
DE (1) DE1955745A1 (fr)
FR (1) FR2022913A1 (fr)
GB (1) GB1274680A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3618700A (en) * 1970-06-15 1971-11-09 Boeing Co Retracted noise suppression system
US3737005A (en) * 1971-10-14 1973-06-05 Rohr Corp Thrust augmenting and sound suppressing apparatus
US3819008A (en) * 1972-10-19 1974-06-25 Gen Electric Broad band acoustic barrier
US4023644A (en) * 1975-07-02 1977-05-17 The Boeing Company Fluid layer acoustic shield for turbofan jet propulsion engine
FI86400C (sv) * 1988-02-01 1992-08-25 Kb Pat Plasting Ky Öppen kassett och förfarande för spolning av band därpå
FI96901C (fi) * 1992-04-16 1996-09-10 Halton Oy Menetelmä ja laite ilmavirtauksen säädössä ja äänenvaimennuksessa
US6439840B1 (en) * 2000-11-30 2002-08-27 Pratt & Whitney Canada Corp. Bypass duct fan noise reduction assembly
EP1571650B1 (fr) * 2004-03-03 2009-05-13 Rolls-Royce Deutschland Ltd & Co KG Dispositif pour la production de champs sonores avec une composition modale définie
US7967105B2 (en) * 2006-06-19 2011-06-28 Yen Tuan Aero-acoustic aviation engine inlet for aggressive noise abatement
FR2905734B1 (fr) * 2006-09-07 2012-07-13 Airbus France Dispositif permettant d'ameliorer l'efficacite des traitements acoustiques dans un conduit d'une motorisation d'aeronef
US8529188B2 (en) * 2007-12-17 2013-09-10 United Technologies Corporation Fan nacelle flow control
FR2965251B1 (fr) * 2010-09-28 2013-06-28 Snecma Nacelle de turboreacteur a bras munis de panneaux de traitement acoustique passif du bruit
FR3001257B1 (fr) * 2013-01-18 2018-05-11 Safran Aircraft Engines Manche d'entree d'air acoustiquement optimisee
US10054050B2 (en) 2014-08-19 2018-08-21 Pratt & Whitney Canada Corp. Low noise aeroengine inlet system
US10221764B2 (en) 2014-08-19 2019-03-05 Pratt & Whitney Canada Corp. Variable geometry inlet system
US9951690B2 (en) * 2014-08-19 2018-04-24 Pratt & Whitney Canada Corp. Low noise aeroengine inlet system
US9957889B2 (en) * 2014-08-19 2018-05-01 Pratt & Whitney Canada Corp. Low noise aeroengine inlet system
US11767790B2 (en) * 2021-08-23 2023-09-26 General Electric Company Object direction mechanism for turbofan engine

Also Published As

Publication number Publication date
DE1955745A1 (de) 1970-06-11
JPS5125522B1 (fr) 1976-07-31
US3533486A (en) 1970-10-13
GB1274680A (en) 1972-05-17
BE740122A (fr) 1970-03-16

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Legal Events

Date Code Title Description
ST Notification of lapse