SE7805867L - Ljuddempande ledning - Google Patents

Ljuddempande ledning

Info

Publication number
SE7805867L
SE7805867L SE7805867A SE7805867A SE7805867L SE 7805867 L SE7805867 L SE 7805867L SE 7805867 A SE7805867 A SE 7805867A SE 7805867 A SE7805867 A SE 7805867A SE 7805867 L SE7805867 L SE 7805867L
Authority
SE
Sweden
Prior art keywords
sound
wide
sound wide
sound sound
Prior art date
Application number
SE7805867A
Other languages
English (en)
Inventor
L S Wirt
Original Assignee
Lockheed 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 Lockheed Corp filed Critical Lockheed Corp
Publication of SE7805867L publication Critical patent/SE7805867L/sv

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/20—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having flared outlets, e.g. of fish-tail shape
    • 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
    • F02K1/40—Nozzles having means for dividing the jet into a plurality of partial jets or having an elongated cross-section outlet
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Pipe Accessories (AREA)
  • Duct Arrangements (AREA)
  • Exhaust Silencers (AREA)
SE7805867A 1977-05-24 1978-05-23 Ljuddempande ledning SE7805867L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/799,953 US4109750A (en) 1977-05-24 1977-05-24 Zeno duct sound attenuating means

Publications (1)

Publication Number Publication Date
SE7805867L true SE7805867L (sv) 1978-11-25

Family

ID=25177161

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7805867A SE7805867L (sv) 1977-05-24 1978-05-23 Ljuddempande ledning

Country Status (6)

Country Link
US (1) US4109750A (sv)
JP (1) JPS53147120A (sv)
DE (1) DE2821592A1 (sv)
FR (1) FR2392241B1 (sv)
GB (1) GB1603011A (sv)
SE (1) SE7805867L (sv)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4167986A (en) * 1978-03-13 1979-09-18 Adco, Ltd. Fluid stream silencing device
DE2845902C2 (de) * 1978-10-21 1985-05-30 Stauch, Dieter, 6601 Klarenthal Schalldämpfer für Kolben-Flugmotoren
US4244440A (en) * 1978-12-01 1981-01-13 General Electric Company Apparatus for suppressing internally generated gas turbine engine low frequency noise
DE2920278C2 (de) * 1979-05-18 1984-01-12 Aktiengesellschaft Kühnle, Kopp & Kausch, 6710 Frankenthal Schalldämpfungseinrichtung
GB2049886B (en) * 1979-05-23 1982-11-24 Coal Industry Patents Ltd Acoustic liner for attenuating noise
SE451362B (sv) * 1985-08-09 1987-10-05 Hans Bengt Folke Moss Blasmunstycke
GB8910971D0 (en) * 1989-05-12 1989-06-28 Sound Attenuators Ltd Improvements in attenuators
EP0558472B1 (en) * 1990-11-21 1998-04-08 Sound Attenuators Limited Improvements in attenuators
US5760348A (en) * 1994-04-28 1998-06-02 Heuser; Stephen Glen Noise attenuating apparatus
US5663535A (en) * 1995-08-28 1997-09-02 Venturedyne, Ltd. Sound attenuator for HVAC systems
FR2787513B1 (fr) * 1998-12-17 2001-01-19 Turbomeca Dispositif d'echappement multicanal de turbomachine traite acoustiquement
US8166775B2 (en) * 2003-10-09 2012-05-01 Ford Global Technologies, Llc Noise attenuating device for a heating-ventilation-cooling system of a motor vehicle
JP4682694B2 (ja) * 2005-05-19 2011-05-11 トヨタ自動車株式会社 タービンエンジンに用いる排気管機構
JP5305074B2 (ja) * 2008-07-24 2013-10-02 株式会社Ｉｈｉ 流路構造体
US8387911B2 (en) * 2008-07-25 2013-03-05 Honeywell International Inc. Ducted fan core for use with an unmanned aerial vehicle
DE102015101980A1 (de) * 2015-02-11 2016-08-11 Tenneco Gmbh Abgasrohr mit verformtem Teilbereich
US20170313281A1 (en) * 2016-04-28 2017-11-02 GM Global Technology Operations LLC Defrost duct with acoustic material inserts

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB744196A (en) * 1953-08-12 1956-02-01 Rolls Royce Improvements in or relating to silencing means
US3033494A (en) * 1958-08-01 1962-05-08 United Aircraft Corp Jet wake noise intensity pattern control means
US2990906A (en) * 1958-10-08 1961-07-04 Koppers Co Inc Acoustic absorber
DE1447988A1 (de) * 1965-02-25 1969-05-29 F R Meyer Kg Schalldaempfer im Baukastensystem
US3542152A (en) * 1968-04-08 1970-11-24 Gen Electric Sound suppression panel
US3503495A (en) * 1968-11-29 1970-03-31 Minnesota Mining & Mfg Masking tape
US3511336A (en) * 1969-06-10 1970-05-12 Rink Corp Sound attenuator for air flow
US3820638A (en) * 1972-02-24 1974-06-28 Int Harvester Co Brake mounting
JPS5158707A (ja) * 1974-11-19 1976-05-22 Matsushita Electric Ind Co Ltd Sofusochi

Also Published As

Publication number Publication date
JPS6337245B2 (sv) 1988-07-25
DE2821592A1 (de) 1978-11-30
FR2392241B1 (fr) 1985-10-18
US4109750A (en) 1978-08-29
GB1603011A (en) 1981-11-18
FR2392241A1 (fr) 1978-12-22
JPS53147120A (en) 1978-12-21

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