IT1060613B - Condotto di ingresso di attenuazione del suono particolarmente per un motore a turbina a gas - Google Patents

Condotto di ingresso di attenuazione del suono particolarmente per un motore a turbina a gas

Info

Publication number
IT1060613B
IT1060613B IT23235/76A IT2323576A IT1060613B IT 1060613 B IT1060613 B IT 1060613B IT 23235/76 A IT23235/76 A IT 23235/76A IT 2323576 A IT2323576 A IT 2323576A IT 1060613 B IT1060613 B IT 1060613B
Authority
IT
Italy
Prior art keywords
gas turbine
turbine engine
inlet duct
sound attenuation
duct particularly
Prior art date
Application number
IT23235/76A
Other languages
English (en)
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Application granted granted Critical
Publication of IT1060613B publication Critical patent/IT1060613B/it

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—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/02—Arrangements 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—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
    • B64D2033/0206—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes comprising noise reduction means, e.g. acoustic liners
    • 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—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/02—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of combustion air intakes
    • B64D2033/0266—Arrangements 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—Arrangements 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
IT23235/76A 1975-05-14 1976-05-13 Condotto di ingresso di attenuazione del suono particolarmente per un motore a turbina a gas IT1060613B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/577,293 US4049074A (en) 1975-05-14 1975-05-14 Sound-attenuating inlet duct

Publications (1)

Publication Number Publication Date
IT1060613B true IT1060613B (it) 1982-08-20

Family

ID=24308105

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23235/76A IT1060613B (it) 1975-05-14 1976-05-13 Condotto di ingresso di attenuazione del suono particolarmente per un motore a turbina a gas

Country Status (7)

Country Link
US (1) US4049074A (it)
JP (1) JPS5911734B2 (it)
CA (1) CA1066517A (it)
DE (1) DE2620676C2 (it)
FR (1) FR2311187A1 (it)
GB (1) GB1545921A (it)
IT (1) IT1060613B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4786231A (en) * 1986-12-01 1988-11-22 Kelley Winfield L Noise attenuating and air streamlining spiral
US5000079A (en) * 1990-05-17 1991-03-19 Mardis Michael C Noise-attenuating ventilation pedestal for an electronic enclosure
JP2009062977A (ja) * 2007-08-15 2009-03-26 Rohr Inc 線形音響ライナー
GB0813483D0 (en) * 2008-07-24 2008-08-27 Rolls Royce Plc Gas turbine engine nacelle
EP2913270B1 (en) * 2014-02-28 2016-02-24 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Rotorcraft with at least one main rotor and at least one counter-torque rotor
US9630723B2 (en) * 2014-06-06 2017-04-25 United Technologies Corporation Acoustically diffusive auxilary power unit inlet doors
US9840334B2 (en) * 2015-12-21 2017-12-12 Gulfstream Aerospace Corporation Auxiliary power unit inlet duct assembly for mitigating noise
US12012217B2 (en) * 2022-08-22 2024-06-18 Gulfstream Aerospace Corporation Auxiliary power unit air inlet door with specified acoustic reflecting and/or diffusing characteristics

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2763426A (en) * 1952-05-22 1956-09-18 John R Erwin Means for varying the quantity characteristics of supersonic compressors
US3477231A (en) * 1967-12-26 1969-11-11 Gen Electric Noise reduction
US3542152A (en) * 1968-04-08 1970-11-24 Gen Electric Sound suppression panel
FR1580553A (it) * 1968-07-26 1969-09-05
US3508838A (en) * 1968-09-16 1970-04-28 Gen Electric Sound suppression of compressors used in gas turbine engines
US3532129A (en) * 1969-02-05 1970-10-06 Rolls Royce Silencing of gas turbine engines
US3611724A (en) * 1970-01-07 1971-10-12 Gen Electric Choked inlet noise suppression device for a turbofan engine
US3702220A (en) * 1970-11-12 1972-11-07 Rohr Industries Inc Noise reduction in jet engines having fans or low pressure compressors
US3765623A (en) * 1971-10-04 1973-10-16 Mc Donnell Douglas Corp Air inlet
US3843277A (en) * 1973-02-14 1974-10-22 Gen Electric Sound attenuating inlet duct

Also Published As

Publication number Publication date
GB1545921A (en) 1979-05-16
US4049074A (en) 1977-09-20
DE2620676C2 (de) 1986-07-03
JPS5911734B2 (ja) 1984-03-17
FR2311187B1 (it) 1982-08-20
DE2620676A1 (de) 1976-12-02
JPS51140012A (en) 1976-12-02
CA1066517A (en) 1979-11-20
FR2311187A1 (fr) 1976-12-10

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950529