DE2539362C2 - Einrichtung zum Vermindern der Ausbreitung des aus dem rohrförmigen Lufteinlaßkanal eines Gasturbinentriebwerks austretenden Schalls in einer bestimmten Richtung - Google Patents

Einrichtung zum Vermindern der Ausbreitung des aus dem rohrförmigen Lufteinlaßkanal eines Gasturbinentriebwerks austretenden Schalls in einer bestimmten Richtung

Info

Publication number
DE2539362C2
DE2539362C2 DE2539362A DE2539362A DE2539362C2 DE 2539362 C2 DE2539362 C2 DE 2539362C2 DE 2539362 A DE2539362 A DE 2539362A DE 2539362 A DE2539362 A DE 2539362A DE 2539362 C2 DE2539362 C2 DE 2539362C2
Authority
DE
Germany
Prior art keywords
lip
air inlet
sound
inlet duct
inlet
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
DE2539362A
Other languages
German (de)
English (en)
Other versions
DE2539362A1 (de
Inventor
John Thomas Cincinnati Ohio Kutney
Rodger Bruce West Chester Ohio Mishler
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 DE2539362A1 publication Critical patent/DE2539362A1/de
Application granted granted Critical
Publication of DE2539362C2 publication Critical patent/DE2539362C2/de
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D33/00—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/02—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D33/00—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/02—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
    • B64D2033/0266—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes specially adapted for particular type of power plants
    • B64D2033/0286—Arrangement in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes specially adapted for particular type of power plants for turbofan engines
    • 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
    • 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)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE2539362A 1974-09-06 1975-09-04 Einrichtung zum Vermindern der Ausbreitung des aus dem rohrförmigen Lufteinlaßkanal eines Gasturbinentriebwerks austretenden Schalls in einer bestimmten Richtung Expired DE2539362C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/503,751 US3946830A (en) 1974-09-06 1974-09-06 Inlet noise deflector

Publications (2)

Publication Number Publication Date
DE2539362A1 DE2539362A1 (de) 1976-03-18
DE2539362C2 true DE2539362C2 (de) 1984-05-17

Family

ID=24003360

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2539362A Expired DE2539362C2 (de) 1974-09-06 1975-09-04 Einrichtung zum Vermindern der Ausbreitung des aus dem rohrförmigen Lufteinlaßkanal eines Gasturbinentriebwerks austretenden Schalls in einer bestimmten Richtung

Country Status (6)

Country Link
US (1) US3946830A (enExample)
JP (1) JPS5854247B2 (enExample)
DE (1) DE2539362C2 (enExample)
FR (1) FR2284035A1 (enExample)
GB (1) GB1499574A (enExample)
IT (1) IT1042131B (enExample)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2242236B (en) * 1990-03-09 1994-10-26 Sidney Patrick Taylor Improvements in and relating to apparatus for use with aircraft jet engines
US5058617A (en) * 1990-07-23 1991-10-22 General Electric Company Nacelle inlet for an aircraft gas turbine engine
GB2259114A (en) * 1991-08-28 1993-03-03 Gen Electric Aircraft engine nacelle profile
CA2072417A1 (en) * 1991-08-28 1993-03-01 David E. Yates Aircraft engine nacelle having circular arc profile
DE4335872A1 (de) * 1993-10-21 1995-04-27 Rheinhold & Mahla Ag Vorrichtung zur Abschwächung von Ansaugwirbeln an Turbinentriebwerken
US5702231A (en) 1996-08-09 1997-12-30 The Boeing Company Apparatus and method for reducing noise emissions from a gas turbine engine inlet
US5979593A (en) * 1997-01-13 1999-11-09 Hersh Acoustical Engineering, Inc. Hybrid mode-scattering/sound-absorbing segmented liner system and method
US5915403A (en) 1998-04-14 1999-06-29 The Boeing Company Biplanar scarfed nacelle inlet
KR100306339B1 (ko) * 1999-02-05 2001-09-13 이옥노 내연기관용 소음기
FR2831922B1 (fr) 2001-11-02 2004-04-30 Airbus France Entree d'air pour nacelle de moteur a reaction d'avion commercial
FR2896771B1 (fr) 2006-01-27 2008-04-25 Snecma Sa Entree d'air de turboreacteur a double flux
DE102007019762A1 (de) 2007-04-25 2008-10-30 Eads Deutschland Gmbh Schallschutzvorrichtung für ein Strahltriebwerk oder eine Turbine
FR2938504B1 (fr) * 2008-11-14 2010-12-10 Snecma Entree d'air d'un moteur d'avion a helices propulsives non carenees
DE102011056826B4 (de) 2011-12-21 2014-06-26 Eads Deutschland Gmbh Schallschutzvorrichtung und damit versehenes Triebwerk und Verfahren zur Bereitstellung
US9920653B2 (en) 2012-12-20 2018-03-20 United Technologies Corporation Low pressure ratio fan engine having a dimensional relationship between inlet and fan size
US9932933B2 (en) 2012-12-20 2018-04-03 United Technologies Corporation Low pressure ratio fan engine having a dimensional relationship between inlet and fan size
EP2964924B1 (en) 2013-03-04 2019-05-15 United Technologies Corporation Gas turbine engine inlet
FR3004494B1 (fr) * 2013-04-15 2018-01-19 Safran Nacelles Tuyere pour turbopropulseur d’aeronef a soufflante non carenee
FR3039209B1 (fr) * 2015-07-23 2017-07-14 Snecma Manche d’entree d’air pour un turbopropulseur d’aeronef
US10040560B2 (en) * 2015-09-30 2018-08-07 The Boeing Company Trailing edge core compartment vent for an aircraft engine
US10260417B2 (en) 2015-12-22 2019-04-16 General Electric Company Air intake turboprop assemblies
US10385868B2 (en) * 2016-07-05 2019-08-20 General Electric Company Strut assembly for an aircraft engine
FR3068735B1 (fr) * 2017-07-06 2019-07-26 Safran Aircraft Engines Turboreacteur a faible bruit de soufflante
GB201809822D0 (en) 2018-06-15 2018-08-01 Rolls Royce Plc Gas turbine engine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2970431A (en) * 1959-01-02 1961-02-07 Curtiss Wright Corp Rotating inlet for jet engines
US3027710A (en) * 1960-10-10 1962-04-03 Stephen P Maytner Methods and apparatus for suppressing jet noise
US3545464A (en) * 1967-04-06 1970-12-08 Rolls Royce Air intake duct for a gas turbine engine

Also Published As

Publication number Publication date
JPS5153111A (enExample) 1976-05-11
FR2284035B1 (enExample) 1980-01-25
DE2539362A1 (de) 1976-03-18
JPS5854247B2 (ja) 1983-12-03
IT1042131B (it) 1980-01-30
US3946830A (en) 1976-03-30
FR2284035A1 (fr) 1976-04-02
GB1499574A (en) 1978-02-01

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: VOIGT, R., DIPL.-ING., PAT.-ANW., 6232 BAD SODEN

8320 Willingness to grant licences declared (paragraph 23)