DE602006008646D1 - Variable geometry muffler for an exhaust system of an internal combustion engine - Google Patents

Variable geometry muffler for an exhaust system of an internal combustion engine

Info

Publication number
DE602006008646D1
DE602006008646D1 DE602006008646T DE602006008646T DE602006008646D1 DE 602006008646 D1 DE602006008646 D1 DE 602006008646D1 DE 602006008646 T DE602006008646 T DE 602006008646T DE 602006008646 T DE602006008646 T DE 602006008646T DE 602006008646 D1 DE602006008646 D1 DE 602006008646D1
Authority
DE
Germany
Prior art keywords
muffler
combustion engine
internal combustion
exhaust system
variable geometry
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DE602006008646T
Other languages
German (de)
Inventor
Alessandro Scotti
Antonino Fiumano'
Matteo Sbarile
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marelli Europe SpA
Original Assignee
Magneti Marelli SpA
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 Magneti Marelli SpA filed Critical Magneti Marelli SpA
Publication of DE602006008646D1 publication Critical patent/DE602006008646D1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01N1/166—Silencing apparatus characterised by method of silencing by using movable parts for changing gas flow path through the silencer or for adjusting the dimensions of a chamber or a pipe
    • 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
    • F01N1/083—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling using transversal baffles defining a tortuous path for the gases or successively throttling gas flow
    • 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
    • F01N1/084—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases flowing through the silencer two or more times longitudinally in opposite directions, e.g. using parallel or concentric tubes
    • 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
    • F01N1/161—Silencing apparatus characterised by method of silencing by using movable parts for adjusting resonance or dead chambers or passages to resonance or dead chambers
    • F01N1/163—Silencing apparatus characterised by method of silencing by using movable parts for adjusting resonance or dead chambers or passages to resonance or dead chambers by means of valves
    • 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
    • F01N1/165—Silencing apparatus characterised by method of silencing by using movable parts for adjusting flow area

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)
DE602006008646T 2006-12-29 2006-12-29 Variable geometry muffler for an exhaust system of an internal combustion engine Active DE602006008646D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06425877A EP1939416B1 (en) 2006-12-29 2006-12-29 Variable geometry muffler fo an exhaust system of an internal combustion engine

Publications (1)

Publication Number Publication Date
DE602006008646D1 true DE602006008646D1 (en) 2009-10-01

Family

ID=38016665

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006008646T Active DE602006008646D1 (en) 2006-12-29 2006-12-29 Variable geometry muffler for an exhaust system of an internal combustion engine

Country Status (5)

Country Link
US (2) US20080156578A1 (en)
EP (1) EP1939416B1 (en)
CN (1) CN101210508A (en)
BR (1) BRPI0705651A (en)
DE (1) DE602006008646D1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080121458A1 (en) * 2006-11-29 2008-05-29 Norris Gregory Sturgis Harmonic tone exhaust extension
KR101251728B1 (en) * 2010-09-07 2013-04-05 현대자동차주식회사 Muffler for vehicle
JP5484374B2 (en) 2011-02-17 2014-05-07 本田技研工業株式会社 Exhaust muffler
CN102953785A (en) * 2012-10-08 2013-03-06 上海狮虎能源科技发展有限公司 External muffler for variable frequency generator set
JP6251117B2 (en) * 2014-04-28 2017-12-20 フタバ産業株式会社 Silencer
KR101596701B1 (en) 2014-07-28 2016-02-23 현대자동차주식회사 Leaf spring type variable valve
US10533478B2 (en) * 2017-12-12 2020-01-14 Faurecia Emissions Control Technologies, Usa, Llc Mixer and valve assembly
JP7359817B2 (en) * 2021-10-06 2023-10-11 フタバ産業株式会社 Valve mounting structure

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60178918A (en) * 1984-02-27 1985-09-12 Suzuki Motor Co Ltd Muffler of internal-combustion engine
US4549741A (en) * 1984-06-04 1985-10-29 Metex Corporation Combination metal and knitted wire mesh gasket
US4635899A (en) * 1985-03-25 1987-01-13 Eshland Enterprises, Inc. Air inlet valve subassembly with replaceable seal
DE4323642A1 (en) * 1993-07-15 1995-01-19 Hatz Motoren Muffler for internal combustion engines, in particular single-cylinder diesel engines
US5452578A (en) * 1994-02-22 1995-09-26 Barber; Dale Exhaust cutout device
US5614699A (en) * 1994-05-09 1997-03-25 Nissan Motor Co., Ltd. Automobile exhaust noise suppressor
JP3379254B2 (en) * 1994-12-26 2003-02-24 日産自動車株式会社 Exhaust silencer
DE29612708U1 (en) * 1995-07-28 1996-10-02 Leistritz AG & Co Abgastechnik, 90765 Fürth Variable acoustics
US5984045A (en) * 1997-02-14 1999-11-16 Nissan Motor Co., Ltd. Engine exhaust noise suppressor
EP1030039B1 (en) * 1999-02-18 2002-07-10 Hyundai Motor Company Semi-active muffler for internal combustion engine
JP4037571B2 (en) * 1999-08-30 2008-01-23 カルソニックカンセイ株式会社 Pressure switching valve device
JP3705969B2 (en) * 1999-10-21 2005-10-12 本田技研工業株式会社 Valve unit for silencer
JP2002089257A (en) * 2000-09-11 2002-03-27 Calsonic Kansei Corp Valve for control muffler and valve element assembling method of valve for control muffler
JP2002089256A (en) * 2000-09-20 2002-03-27 Calsonic Kansei Corp Valve for control muffler
DE10128949A1 (en) * 2001-06-19 2003-07-10 Faurecia Abgastechnik Gmbh exhaust flap
JP3738000B2 (en) 2002-10-07 2006-01-25 本田技研工業株式会社 Valve unit for silencer
FR2863659B1 (en) 2003-12-16 2007-10-05 Faurecia Sys Echappement DEVICE FOR SHUTTING A CONDUIT OF AN EXHAUST LINE

Also Published As

Publication number Publication date
US20090229911A1 (en) 2009-09-17
EP1939416B1 (en) 2009-08-19
EP1939416A1 (en) 2008-07-02
CN101210508A (en) 2008-07-02
US20080156578A1 (en) 2008-07-03
BRPI0705651A (en) 2008-08-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition