SG10201706253SA - Acoustic treatment in an unducted area of a geared turbomachine - Google Patents

Acoustic treatment in an unducted area of a geared turbomachine

Info

Publication number
SG10201706253SA
SG10201706253SA SG10201706253SA SG10201706253SA SG10201706253SA SG 10201706253S A SG10201706253S A SG 10201706253SA SG 10201706253S A SG10201706253S A SG 10201706253SA SG 10201706253S A SG10201706253S A SG 10201706253SA SG 10201706253S A SG10201706253S A SG 10201706253SA
Authority
SG
Singapore
Prior art keywords
acoustic treatment
geared turbomachine
unducted
area
unducted area
Prior art date
Application number
SG10201706253SA
Inventor
Amr Ali
Original Assignee
United Technologies Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=49083161&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SG10201706253S(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US13/406,712 external-priority patent/US9856745B2/en
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of SG10201706253SA publication Critical patent/SG10201706253SA/en

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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects
    • 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
    • F05D2250/00—Geometry
    • F05D2250/10—Two-dimensional
    • F05D2250/19—Two-dimensional machined; miscellaneous
    • F05D2250/191—Two-dimensional machined; miscellaneous perforated
    • 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
    • F05D2260/40—Transmission of power
    • F05D2260/403—Transmission of power through the shape of the drive components
    • F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/514—Porosity
    • 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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
SG10201706253SA 2012-02-28 2013-02-16 Acoustic treatment in an unducted area of a geared turbomachine SG10201706253SA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/406,712 US9856745B2 (en) 2012-02-28 2012-02-28 Acoustic treatment in an unducted area of a geared turbomachine
US13/593,814 US9890657B2 (en) 2012-02-28 2012-08-24 Acoustic treatment in geared turbomachine
US13/739,493 US10837367B2 (en) 2012-02-28 2013-01-11 Acoustic treatment in an unducted area of a geared turbomachine

Publications (1)

Publication Number Publication Date
SG10201706253SA true SG10201706253SA (en) 2017-09-28

Family

ID=49083161

Family Applications (2)

Application Number Title Priority Date Filing Date
SG10201706253SA SG10201706253SA (en) 2012-02-28 2013-02-16 Acoustic treatment in an unducted area of a geared turbomachine
SG11201404946SA SG11201404946SA (en) 2012-02-28 2013-02-16 Acoustic treatment in an unducted area of a geared turbomachine

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG11201404946SA SG11201404946SA (en) 2012-02-28 2013-02-16 Acoustic treatment in an unducted area of a geared turbomachine

Country Status (4)

Country Link
US (1) US10837367B2 (en)
EP (2) EP3889412A1 (en)
SG (2) SG10201706253SA (en)
WO (1) WO2013130291A1 (en)

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US10072510B2 (en) 2014-11-21 2018-09-11 General Electric Company Variable pitch fan for gas turbine engine and method of assembling the same
US9447576B2 (en) 2015-01-09 2016-09-20 Rohr, Inc. Post bond perforation of a septum in an acoustic panel
CN107438881B (en) * 2015-04-10 2021-12-14 Mra***有限责任公司 Acoustic liner and method of constructing an acoustic liner
US10442523B2 (en) * 2015-08-25 2019-10-15 The Boeing Company Synergetic noise absorption and anti-icing for aircrafts
US10100653B2 (en) 2015-10-08 2018-10-16 General Electric Company Variable pitch fan blade retention system
US10837368B2 (en) * 2017-02-24 2020-11-17 Mra Systems, Llc Acoustic liner and method of forming an acoustic liner
US11085398B2 (en) * 2019-03-12 2021-08-10 Rohr, Inc. Core air flow to equalize temperature differential
US20210339846A1 (en) 2019-10-15 2021-11-04 General Electric Company Removeable fuselage shield for an aircraft
US11506067B2 (en) 2019-10-15 2022-11-22 General Electric Company Gas turbine engine with clutch assembly
CN112664328A (en) 2019-10-15 2021-04-16 通用电气公司 System and method for controlling an unducted engine
US11286795B2 (en) 2019-10-15 2022-03-29 General Electric Company Mount for an airfoil
US11401824B2 (en) 2019-10-15 2022-08-02 General Electric Company Gas turbine engine outlet guide vane assembly
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US11674435B2 (en) 2021-06-29 2023-06-13 General Electric Company Levered counterweight feathering system
US11795964B2 (en) 2021-07-16 2023-10-24 General Electric Company Levered counterweight feathering system

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Also Published As

Publication number Publication date
SG11201404946SA (en) 2014-11-27
EP2820273B1 (en) 2021-05-05
EP2820273A4 (en) 2015-11-04
WO2013130291A1 (en) 2013-09-06
EP2820273B2 (en) 2024-03-20
EP2820273A1 (en) 2015-01-07
US20140248116A1 (en) 2014-09-04
EP3889412A1 (en) 2021-10-06
US10837367B2 (en) 2020-11-17

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