SE445499B - Anordning for dempning av buller fran utslepp av luft eller gas - Google Patents

Anordning for dempning av buller fran utslepp av luft eller gas

Info

Publication number
SE445499B
SE445499B SE7805502A SE7805502A SE445499B SE 445499 B SE445499 B SE 445499B SE 7805502 A SE7805502 A SE 7805502A SE 7805502 A SE7805502 A SE 7805502A SE 445499 B SE445499 B SE 445499B
Authority
SE
Sweden
Prior art keywords
air
sound
absorbing body
pipe
outer tube
Prior art date
Application number
SE7805502A
Other languages
English (en)
Swedish (sv)
Other versions
SE7805502L (sv
Inventor
G V Eriksson
Original Assignee
Post Och Kreditbanken Pkbanken
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 Post Och Kreditbanken Pkbanken filed Critical Post Och Kreditbanken Pkbanken
Priority to SE7805502A priority Critical patent/SE445499B/sv
Priority to US06/032,757 priority patent/US4299305A/en
Priority to DE19792916873 priority patent/DE2916873A1/de
Priority to GB7915385A priority patent/GB2020741B/en
Priority to FR7911873A priority patent/FR2425688A1/fr
Priority to JP5787779A priority patent/JPS54151740A/ja
Priority to FI791504A priority patent/FI791504A/fi
Priority to DK195579A priority patent/DK195579A/da
Priority to NO791580A priority patent/NO791580L/no
Priority to IT49021/79A priority patent/IT1116091B/it
Publication of SE7805502L publication Critical patent/SE7805502L/
Publication of SE445499B publication Critical patent/SE445499B/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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
    • 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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
    • F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases passing through porous members
    • 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
    • F01N1/00—Silencing apparatus characterised by method of silencing
    • F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Pipe Accessories (AREA)
  • Exhaust Silencers (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Fluid-Damping Devices (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Insulators (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
SE7805502A 1978-05-12 1978-05-12 Anordning for dempning av buller fran utslepp av luft eller gas SE445499B (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE7805502A SE445499B (sv) 1978-05-12 1978-05-12 Anordning for dempning av buller fran utslepp av luft eller gas
US06/032,757 US4299305A (en) 1978-05-12 1979-04-24 Apparatus for damping noise from exhaust air outlets
DE19792916873 DE2916873A1 (de) 1978-05-12 1979-04-26 Vorrichtung zur geraeuschdaempfung an luftauslassoeffnungen
GB7915385A GB2020741B (en) 1978-05-12 1979-05-03 Apparatus for damping noise from exhaust gas outlets
FR7911873A FR2425688A1 (fr) 1978-05-12 1979-05-10 Appareil pour attenuer le bruit provenant des orifices de sortie d'air
JP5787779A JPS54151740A (en) 1978-05-12 1979-05-10 Exhaust pipe noise silencer
FI791504A FI791504A (fi) 1978-05-12 1979-05-10 Anordning foer daempning av buller fraon luftutslaepp
DK195579A DK195579A (da) 1978-05-12 1979-05-10 Apparat til daempning af stoej fra luftudloeb
NO791580A NO791580L (no) 1978-05-12 1979-05-11 Innretning for dempning av stoey fra utloep for luftutslipp
IT49021/79A IT1116091B (it) 1978-05-12 1979-05-11 Dispositivo per attenuare il rumore nelle bocche di scarico d'aria o di gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7805502A SE445499B (sv) 1978-05-12 1978-05-12 Anordning for dempning av buller fran utslepp av luft eller gas

Publications (2)

Publication Number Publication Date
SE7805502L SE7805502L (sv) 1979-11-13
SE445499B true SE445499B (sv) 1986-06-23

Family

ID=20334905

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7805502A SE445499B (sv) 1978-05-12 1978-05-12 Anordning for dempning av buller fran utslepp av luft eller gas

Country Status (10)

Country Link
US (1) US4299305A (da)
JP (1) JPS54151740A (da)
DE (1) DE2916873A1 (da)
DK (1) DK195579A (da)
FI (1) FI791504A (da)
FR (1) FR2425688A1 (da)
GB (1) GB2020741B (da)
IT (1) IT1116091B (da)
NO (1) NO791580L (da)
SE (1) SE445499B (da)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0040657A1 (en) * 1980-05-27 1981-12-02 Carl Matthews Acoustic energy absorbing device and method, and exhaust systems and air-conditioning or heating ducts containing said device
US4448538A (en) * 1982-04-06 1984-05-15 Juval Mantel Device for reducing static and dynamic pressures in pipelines, particularly of solid-borne sound in tubular conduits
JPS59177715U (ja) * 1983-05-13 1984-11-28 大谷工業株式会社 防音ダクト
JPS6085043A (ja) * 1983-10-18 1985-05-14 Bridgestone Corp 自動車等のエンジン騒音制御装置
DE3421484A1 (de) * 1984-06-08 1985-12-12 G + H Montage Gmbh, 6700 Ludwigshafen Schalldaempfer, insbesondere fuer rauchgasentschwefelungsanlagen
JPS6472727A (en) * 1987-09-14 1989-03-17 Terumo Corp Automatic hemomanometer
US4896588A (en) * 1988-01-26 1990-01-30 The Boeing Company Self-cleaning cabin airflow regulating device
US7263995B2 (en) 2001-02-28 2007-09-04 Hyperbaric Technology, Inc. Hyperbaric oxygen therapy system controls
DE10241883B4 (de) * 2002-09-10 2012-06-21 Andreas Stihl Ag & Co. Handgeführtes Arbeitsgerät mit einem Befestigungsstift für einen Abgasschalldämpfer
JP4093307B2 (ja) * 2002-10-01 2008-06-04 株式会社ニフコ 燃料タンクの消音装置
CA2427306A1 (en) 2003-04-30 2004-10-30 Vilho O. Mantyla Sound muffling apparatus for air operated equipment
US7328770B2 (en) * 2005-06-16 2008-02-12 Owens Jeffrey A Strap silencer
US20080190689A1 (en) * 2007-02-12 2008-08-14 Ballard Ebbin C Inserts for engine exhaust systems
US7905321B2 (en) * 2007-02-12 2011-03-15 Ballard Iii Ebbin C Inserts for engine exhaust systems
US8235241B2 (en) * 2007-09-21 2012-08-07 Honda Motor Co., Ltd. Floating absorber assembly for reduced fuel slosh noise
WO2013168758A1 (ja) * 2012-05-10 2013-11-14 ナブテスコオートモーティブ 株式会社 オイルセパレータ
US11326490B2 (en) * 2018-05-02 2022-05-10 Faurecia Emissions Control Technologies, Usa, Llc Variable restriction valve for vehicle exhaust system
US12092252B2 (en) * 2022-06-07 2024-09-17 Chengdu Zhituo Aquatics Co., Ltd. Noise abatement fitting for aquarium downpipe

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3374856A (en) * 1966-09-09 1968-03-26 Garrett Corp Flexible sound attenuating duct with foamed plastic lining
US3526293A (en) * 1968-06-13 1970-09-01 Gardner Denver Co Muffler for fluid actuated tool
US3601219A (en) * 1970-06-01 1971-08-24 Bullard Co Air distribution plenum with silencer for head enclosures
US4049076A (en) * 1973-10-23 1977-09-20 Murphy Muffler, Inc. Sound damping apparatus
US3885645A (en) * 1974-04-10 1975-05-27 Harrigan Roy Major Dynamic muffler
US3949828A (en) * 1974-08-30 1976-04-13 Barry Wright Corporation Fluid exhaust silencer
US3957133A (en) * 1975-09-10 1976-05-18 Scovill Manufacturing Company Muffler
US4121686A (en) * 1977-06-09 1978-10-24 Keller Jr Moreau A Hollow sound-dampened structure
US4149862A (en) * 1978-06-22 1979-04-17 Sewell Sr Robert R High temperature gas filtering device

Also Published As

Publication number Publication date
IT1116091B (it) 1986-02-10
GB2020741B (en) 1982-10-27
FR2425688B1 (da) 1984-12-07
IT7949021A0 (it) 1979-05-11
NO791580L (no) 1979-11-13
DE2916873A1 (de) 1979-11-22
GB2020741A (en) 1979-11-21
FI791504A (fi) 1979-11-13
US4299305A (en) 1981-11-10
FR2425688A1 (fr) 1979-12-07
SE7805502L (sv) 1979-11-13
JPS54151740A (en) 1979-11-29
DK195579A (da) 1979-11-13

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