IL79909A0 - Compact muffler apparatus and method of attenuating noise therewith - Google Patents

Compact muffler apparatus and method of attenuating noise therewith

Info

Publication number
IL79909A0
IL79909A0 IL79909A IL7990986A IL79909A0 IL 79909 A0 IL79909 A0 IL 79909A0 IL 79909 A IL79909 A IL 79909A IL 7990986 A IL7990986 A IL 7990986A IL 79909 A0 IL79909 A0 IL 79909A0
Authority
IL
Israel
Prior art keywords
attenuating noise
muffler apparatus
compact muffler
therewith
noise therewith
Prior art date
Application number
IL79909A
Other languages
English (en)
Original Assignee
Garrett 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
Application filed by Garrett Corp filed Critical Garrett Corp
Publication of IL79909A0 publication Critical patent/IL79909A0/xx

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
    • 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

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)
  • Exhaust Silencers (AREA)
IL79909A 1985-09-05 1986-09-01 Compact muffler apparatus and method of attenuating noise therewith IL79909A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/772,831 US4645032A (en) 1985-09-05 1985-09-05 Compact muffler apparatus and associated methods

Publications (1)

Publication Number Publication Date
IL79909A0 true IL79909A0 (en) 1986-12-31

Family

ID=25096389

Family Applications (1)

Application Number Title Priority Date Filing Date
IL79909A IL79909A0 (en) 1985-09-05 1986-09-01 Compact muffler apparatus and method of attenuating noise therewith

Country Status (6)

Country Link
US (1) US4645032A (de)
EP (1) EP0219218B1 (de)
JP (1) JPH073170B2 (de)
CA (1) CA1269334A (de)
DE (1) DE3672555D1 (de)
IL (1) IL79909A0 (de)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4747467A (en) * 1986-04-01 1988-05-31 Allied-Signal Inc. Turbine engine noise suppression apparatus and methods
SE464097B (sv) * 1987-06-18 1991-03-04 Claes Linden Utblaasningsroer verkande som resonator vid foerbraenningsmotor
JP2548775B2 (ja) * 1988-06-27 1996-10-30 アイシン精機株式会社 消音装置及びその製造方法
JPH0232106U (de) * 1988-08-23 1990-02-28
US4944362A (en) * 1988-11-25 1990-07-31 General Electric Company Closed cavity noise suppressor
GB2237323A (en) * 1989-10-06 1991-05-01 Coal Ind Fan silencer apparatus
EP0591154B1 (de) * 1989-11-06 1996-08-14 THE NORDAM GROUP, Inc. Schalldämpfer mit zentralkörper für ein mantelstromtriebwerk
US5276291A (en) * 1992-07-10 1994-01-04 Norris Thomas R Acoustic muffler for high volume fluid flow utilizing Heimholtz resonators with low flow resistance path
US6116375A (en) * 1995-11-16 2000-09-12 Lorch; Frederick A. Acoustic resonator
JP3310931B2 (ja) * 1997-09-25 2002-08-05 三菱重工業株式会社 ガスタービン排気煙道
US6858550B2 (en) 2001-09-18 2005-02-22 Elk Premium Building Products, Inc. Fire resistant fabric material
CH691191A5 (de) * 2000-01-06 2001-05-15 Rudolf Ing Htl Gehring Drehverbindung auf Gleitlagerbasis.
FR2814987B1 (fr) * 2000-10-11 2003-04-18 Valeo Climatisation Panneau de diffusion d'air pour vehicule automobile
DE50110932D1 (de) 2000-12-08 2006-10-19 Alstom Technology Ltd Abgassystem mit Helmholtz-Resonator
SE0004623D0 (sv) * 2000-12-14 2000-12-14 Flaekt Ab Ljuddämpningssystem
WO2002050407A1 (en) 2000-12-20 2002-06-27 Quiet Storm, Llc Method and apparatus for improved noise attenuation in a dissipative internal combustion engine exhaust muffler
DE10102040A1 (de) * 2001-01-18 2002-07-25 Mahle Filtersysteme Gmbh Schalldämpfer
US6695094B2 (en) * 2001-02-02 2004-02-24 The Boeing Company Acoustic muffler for turbine engine
US6615576B2 (en) 2001-03-29 2003-09-09 Honeywell International Inc. Tortuous path quiet exhaust eductor system
US7210653B2 (en) * 2002-10-22 2007-05-01 The Boeing Company Electric-based secondary power system architectures for aircraft
US20050161280A1 (en) * 2002-12-26 2005-07-28 Fujitsu Limited Silencer and electronic equipment
DE10341319B4 (de) * 2003-09-08 2006-02-02 Veritas Ag Schalldämpfer
EA200602059A1 (ru) * 2004-05-07 2007-12-28 Сайленсэр Интернэшнл Пти Лимитед Вентиляционное устройство и рамная система
DE102004028744B3 (de) * 2004-06-14 2005-10-27 Veritas Ag Schalldämpfer
DE102004029221A1 (de) * 2004-06-16 2006-01-12 Geiger Technik Gmbh Vorrichtung zur Schalldämpfung und Vorrichtung zur Leitung eines Fluids
CN101014524A (zh) * 2004-06-30 2007-08-08 奥蒂斯电梯公司 带有消散性通风通道的电梯轿厢轿顶
US7267297B2 (en) * 2004-09-02 2007-09-11 The Boeing Company Integrated axially varying engine muffler, and associated methods and systems
US7364116B2 (en) * 2004-09-27 2008-04-29 The Boeing Company Automatic control systems for aircraft auxiliary power units, and associated methods
US7344107B2 (en) * 2004-10-26 2008-03-18 The Boeing Company Dual flow APU inlet and associated systems and methods
US7497301B2 (en) * 2005-01-27 2009-03-03 Fleetguard, Inc. Tubular acoustic silencer
US7513119B2 (en) * 2005-02-03 2009-04-07 The Boeing Company Systems and methods for starting aircraft engines
US7311175B2 (en) * 2005-08-10 2007-12-25 United Technologies Corporation Acoustic liner with bypass cooling
US7401682B2 (en) * 2005-08-10 2008-07-22 United Technologies Corporation Architecture for an acoustic liner
US7765784B2 (en) * 2006-09-25 2010-08-03 The Boeing Company Thermally compliant APU exhaust duct arrangements and associated systems and methods
US7762374B2 (en) * 2006-11-22 2010-07-27 Honeywell International Inc. Turbine engine diffusing exhaust muffler
US20080236939A1 (en) * 2007-03-30 2008-10-02 Hamilton Sundstrand Corporation Exhaust silencer assembly
US9194293B2 (en) 2007-09-18 2015-11-24 Hamilton Sundstrand Corporation Air inlet noise attenuation assembly
US7578369B2 (en) 2007-09-25 2009-08-25 Hamilton Sundstrand Corporation Mixed-flow exhaust silencer assembly
JP4823288B2 (ja) * 2008-09-30 2011-11-24 株式会社日立製作所 電子機器の消音装置
US8459407B2 (en) * 2008-10-01 2013-06-11 General Electric Company Sound attenuation systems and methods
US8240427B2 (en) * 2008-10-01 2012-08-14 General Electric Company Sound attenuation systems and methods
US7857093B2 (en) * 2009-03-17 2010-12-28 Spirit Aerosystems, Inc. Engine inlet deep acoustic liner section
GB0915517D0 (en) * 2009-09-04 2009-10-07 Ove Arup & Partners Internat L Sound attenuation air vent
US8657227B1 (en) 2009-09-11 2014-02-25 The Boeing Company Independent power generation in aircraft
US8621842B2 (en) * 2010-05-05 2014-01-07 Hamilton Sundstrand Corporation Exhaust silencer convection cooling
US8738268B2 (en) 2011-03-10 2014-05-27 The Boeing Company Vehicle electrical power management and distribution
US8596568B2 (en) 2011-04-26 2013-12-03 Hamilton Sundstrand Corporation Exhaust silencer with baffles
US8556027B2 (en) 2011-06-28 2013-10-15 United Technologies Corporation Eductor exhaust silencer assembly with bypass gasflow
US9514734B1 (en) * 2011-06-30 2016-12-06 The United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration Acoustic liners for turbine engines
US8685302B2 (en) * 2012-02-20 2014-04-01 Honeywell International Inc. Monolithic acoustically-treated composite structures and methods for fabricating the same
FR2989814B1 (fr) * 2012-04-20 2015-05-01 Aircelle Sa Panneau mince d'absorption d'ondes acoustiques emises par un turboreacteur de nacelle d'aeronef, et nacelle equipee d'un tel panneau
GB201209658D0 (en) * 2012-05-31 2012-07-11 Rolls Royce Plc Acoustic panel
WO2015164929A1 (en) * 2014-05-02 2015-11-05 Ashmere Holdings Pty Ltd Acoustic absorption and methods of manufacture
US9783316B2 (en) * 2015-06-22 2017-10-10 Rohr, Inc. Acoustic panel assembly with a folding chamber
US10184372B2 (en) 2016-05-23 2019-01-22 Honeywell International Inc. Exhaust systems and methods for gas turbine engine
US10436118B2 (en) 2017-06-19 2019-10-08 Rohr, Inc. Acoustic panel with folding chamber
WO2019005858A1 (en) * 2017-06-28 2019-01-03 3M Innovative Properties Company MICROPERFORATED CONDUIT
US11114080B2 (en) * 2018-08-27 2021-09-07 Toyota Motor Engineering & Manufacturing North America, Inc. Duct sound absorber
IT201900007854A1 (it) * 2019-06-03 2020-12-03 Phononic Vibes S R L Dispositivo di attenuazione acustica per suono propagato lungo un percorso d’aria
US11028732B2 (en) * 2019-09-05 2021-06-08 Rolls-Royce North American Technologies Inc. High temperature panel damper for sheet metal structures
US11713904B2 (en) * 2019-10-01 2023-08-01 Johnson Controls Tyco IP Holdings LLP Tunable sound attenuating modules
US11662048B2 (en) * 2020-03-30 2023-05-30 Toyota Motor Engineering & Manufacturing North America, Inc. Compact duct sound absorber
EP3892546A1 (de) * 2020-04-07 2021-10-13 Rohr, Inc. Transpirationsgekühlter abgaszentralkörper für ein flugzeugantriebssystem
US11566564B2 (en) * 2020-07-08 2023-01-31 Raytheon Technologies Corporation Acoustically treated panels

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31275A (en) * 1861-01-29 Improvement in harvesting-machines
US2051515A (en) * 1935-10-07 1936-08-18 Maxim Silencer Co Sound attenuating device
US2326612A (en) * 1940-11-25 1943-08-10 Maxim Silencer Co Silencer
DE753765C (de) * 1941-12-23 1951-07-26 Eberspaecher J Schalldaempfer fuer Brennkraftmaschinen, bei dem mehrere Hochton- und Tieftondaempfer mit voneinander abgeschlossenen Kammern verwendet werden
DE976032C (de) * 1949-11-22 1963-01-24 Eberspaecher J Schalldaempfer mit Abzweigfilter und Reihenfilter
US3113634A (en) * 1958-07-11 1963-12-10 Bolt Beranek & Newman Sound absorbing panel for lining a duct
US3113635A (en) * 1959-03-31 1963-12-10 Bolt Beranek & Newman Apparatus for silencing vibrational energy
US2989136A (en) * 1959-04-14 1961-06-20 Wohlberg George Sound attenuation
US3212603A (en) * 1963-10-24 1965-10-19 Walker Mfg Co Muffler with tuned silencing chambers
US3437173A (en) * 1966-11-25 1969-04-08 Gen Electric Gas turbine engine with screech attenuating means
US3511336A (en) * 1969-06-10 1970-05-12 Rink Corp Sound attenuator for air flow
US3580357A (en) * 1970-05-22 1971-05-25 Gen Motors Corp Wave interference silencing system
CA1027002A (en) * 1974-08-30 1978-02-28 Horst W.W. Hehmann Phased treatment noise suppressor for acoustic duct applications
GB1490923A (en) * 1975-06-23 1977-11-02 Short Brothers & Harland Ltd Sound-absorbing structures
US4106587A (en) * 1976-07-02 1978-08-15 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Sound-suppressing structure with thermal relief
US4128769A (en) * 1976-09-27 1978-12-05 The Garrett Corporation Eductor muffler
US4371054A (en) * 1978-03-16 1983-02-01 Lockheed Corporation Flow duct sound attenuator
US4346781A (en) * 1978-11-16 1982-08-31 Massachusetts Institute Of Technology Lined-duct acoustic filter
US4235303A (en) * 1978-11-20 1980-11-25 The Boeing Company Combination bulk absorber-honeycomb acoustic panels
GB2038410B (en) * 1978-12-27 1982-11-17 Rolls Royce Acoustic lining utilising resonance
GB2049886B (en) * 1979-05-23 1982-11-24 Coal Industry Patents Ltd Acoustic liner for attenuating noise
GB2049887B (en) * 1979-05-23 1982-12-01 Coal Industry Patents Ltd Acoustic liner for attenuating noise
JPS5689088U (de) * 1979-12-13 1981-07-16
US4384634A (en) * 1979-12-18 1983-05-24 United Technologies Corporation Sound absorbing structure
JPS6217675Y2 (de) * 1980-12-05 1987-05-07

Also Published As

Publication number Publication date
EP0219218B1 (de) 1990-07-11
JPH073170B2 (ja) 1995-01-18
DE3672555D1 (de) 1990-08-16
US4645032A (en) 1987-02-24
CA1269334A (en) 1990-05-22
EP0219218A1 (de) 1987-04-22
JPS6258006A (ja) 1987-03-13

Similar Documents

Publication Publication Date Title
IL79909A0 (en) Compact muffler apparatus and method of attenuating noise therewith
ZA886126B (en) Muffler apparatus with filter trap and method of use
GB2133558B (en) Radiofrequency transducer and method of using same
JPS56131239A (en) Method and device for reducing noise of sampled signal
JPS56143310A (en) Muffler and silencing method
EP0495316A3 (en) Saw device and method of manufacture
GB2141378B (en) Sound absorption method and apparatus
HU896364D0 (en) Method of and apparatus
EP0240318A3 (en) Apparatus and method for suppression of turbine engine noise
GB2183320B (en) Method and device for compression of gases
EP0235699A3 (en) Steam-shower apparatus and method of using same steam-shower apparatus and method of using same
ZA838746B (en) Adsorber unit and method of operating same
DE3563697D1 (en) Compression and volume reduction treatment apparatus
GB2114913B (en) Exhaust gas treatment apparatus and method
DE3376145D1 (en) Gas sensor and method of using same
DE3468472D1 (en) Safe arrangement and method of operating it
EP0176326A3 (en) Adaptive end of tape detection apparatus and method
IL80598A0 (en) Method for an emergency treatment of shock and device therefor
PL301204A1 (en) Method of obtaining avermectines and invermectines
GB8425857D0 (en) Enabling rapid attenuation and securing of spokes
KR860005938A (ko) 파도를 감쇠시키는 방법 및 장치
GB8927893D0 (en) Silencer and method of producing same
GB2192703B (en) Gas treatment method and apparatus
GB2117366B (en) Catalyst and method of its preparation
DE3563089D1 (en) Method of and apparatus for packing exhaust silencer casings

Legal Events

Date Code Title Description
RH Patent void