EP2196640A3 - Silencer - Google Patents

Silencer Download PDF

Info

Publication number
EP2196640A3
EP2196640A3 EP09014710A EP09014710A EP2196640A3 EP 2196640 A3 EP2196640 A3 EP 2196640A3 EP 09014710 A EP09014710 A EP 09014710A EP 09014710 A EP09014710 A EP 09014710A EP 2196640 A3 EP2196640 A3 EP 2196640A3
Authority
EP
European Patent Office
Prior art keywords
housing
exhaust gas
jacket
silencer
opening
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.)
Granted
Application number
EP09014710A
Other languages
German (de)
French (fr)
Other versions
EP2196640A2 (en
EP2196640B1 (en
Inventor
Werner Engl
Markus Brodrecht
Michael Herbig
Robert Otto
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.)
Friedrich Boysen GmbH and Co KG
Original Assignee
Friedrich Boysen GmbH and Co KG
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 Friedrich Boysen GmbH and Co KG filed Critical Friedrich Boysen GmbH and Co KG
Publication of EP2196640A2 publication Critical patent/EP2196640A2/en
Publication of EP2196640A3 publication Critical patent/EP2196640A3/en
Application granted granted Critical
Publication of EP2196640B1 publication Critical patent/EP2196640B1/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
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • 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
    • F01N1/02—Silencing apparatus characterised by method of silencing by using resonance
    • F01N1/023—Helmholtz resonators
    • 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
    • F01N1/10—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling in combination with sound-absorbing materials
    • 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
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/22—Methods or apparatus for fitting, inserting or repairing different elements by welding or brazing
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/14—Plurality of outlet tubes, e.g. in parallel or with different length
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/18—Structure or shape of gas passages, pipes or tubes the axis of inlet or outlet tubes being other than the longitudinal axis of apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Silencers (AREA)

Abstract

Ein Schalldämpfer (10), insbesondere Nachschalldämpfer, für eine Abgasanlage einer Brennkraftmaschine, insbesondere Kraftfahrzeugmotor, umfasst ein einen Mantel (14) und zwei Stirnwände (16,18) aufweisendes, mit wenigstens einer Abgaseintrittsöffnung und wenigstens einer Abgasaustrittsöffnung versehenes Gehäuse (12) und zumindest im Wesentlichen im Gehäuse (12) untergebrachte Schalldämpferelemente. Die zumindest im Wesentlichen im Gehäuse untergebrachten Schalldämpferelemente umfassen ein Eintritts- oder Austrittsrohrstück (24), das mit einem ersten Ende in einer mantelseitigen Abgaseintritts- bzw. Abgasaustrittsöffnung des Gehäuses (12) mündet oder sich durch diese nach außen erstreckt. Die Abgaseintritts- bzw. Abgasaustrittsöffnung ist in einer getrennt vom Mantel (14) gefertigten, anschließend mit diesem verbindbaren Verschlussplatte (26) vorgesehen, durch die eine im Mantel (14) vorgesehene, in eine Mantelstirnseite mündende Aussparung (28) verschließbar ist.A silencer (10), in particular rear silencer, for an exhaust system of an internal combustion engine, in particular a motor vehicle engine, comprises a housing (12) having a jacket (14) and two end walls (16, 18) and at least one housing (12) provided with at least one exhaust gas inlet opening and at least one exhaust gas outlet opening essentially in the housing (12) housed silencer elements. The at least substantially housed in the housing silencer elements comprise an inlet or outlet pipe piece (24), which opens with a first end in a shell-side Abgaseintritts- or exhaust gas outlet opening of the housing (12) or extending through the latter to the outside. The exhaust gas inlet or exhaust gas outlet opening is provided in a closure plate (26) which is manufactured separately from the jacket (14) and can be closed by means of which a recess (28) provided in the jacket (14) and opening into a jacket end face can be closed.

EP20090014710 2008-12-12 2009-11-25 Silencer Active EP2196640B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810062014 DE102008062014A1 (en) 2008-12-12 2008-12-12 silencer

Publications (3)

Publication Number Publication Date
EP2196640A2 EP2196640A2 (en) 2010-06-16
EP2196640A3 true EP2196640A3 (en) 2012-07-18
EP2196640B1 EP2196640B1 (en) 2014-10-08

Family

ID=41662363

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20090014710 Active EP2196640B1 (en) 2008-12-12 2009-11-25 Silencer

Country Status (2)

Country Link
EP (1) EP2196640B1 (en)
DE (1) DE102008062014A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2944784B1 (en) * 2013-01-11 2017-11-01 Futaba Industrial Co. Ltd. Method for installing inlet pipe and method for supporting inlet pipe
DE102013208946A1 (en) * 2013-05-15 2014-11-20 Bayerische Motoren Werke Aktiengesellschaft Exhaust system for an internal combustion engine and method for operating the exhaust system
DE102014103054A1 (en) 2014-03-07 2015-09-10 Tenneco Gmbh exhaust silencer
DE102014107907A1 (en) * 2014-06-04 2015-12-17 Eberspächer Exhaust Technology GmbH & Co. KG silencer
US10196947B2 (en) 2016-02-02 2019-02-05 Kohler Co. Muffler
DE102016114317A1 (en) 2016-08-03 2018-02-08 Friedrich Boysen Gmbh & Co. Kg Assembly for an exhaust system
EP3431732B1 (en) 2017-07-21 2020-04-22 Bosal Emission Control Systems NV Method for forming a collar in a muffler housing
US11421569B2 (en) 2019-10-18 2022-08-23 Tenneco Automotive Operating Company Inc. Muffler
DE102020123069A1 (en) 2020-09-03 2022-03-03 Faurecia Emissions Control Technologies, Germany Gmbh Exhaust silencer and method for producing an exhaust silencer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004059540B3 (en) * 2004-12-09 2006-08-31 J. Eberspächer GmbH & Co. KG Flow paths throttling and controlling device for muffler, has side baffle blocking side opening from closed position upto control position of damper and increasingly releasing opening from control position upto opening position of damper
DE102005026376A1 (en) * 2005-06-08 2006-12-14 Arvinmeritor Emissions Technologies Gmbh vehicle exhaust
DE202007010754U1 (en) * 2007-08-02 2007-10-31 Heinrich Gillet Gmbh Housing for exhaust systems

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3703938A (en) * 1971-04-06 1972-11-28 Nelson Muffler Corp Exhaust muffler
US3687225A (en) * 1971-04-06 1972-08-29 Nelson Muffler Corp Combined exhaust muffler with spark arrester
US3776366A (en) * 1972-07-24 1973-12-04 Outboard Marine Corp Exhaust muffler
AT355878B (en) * 1975-05-30 1980-03-25 Vmw Ranshofen Berndorf Ag EXHAUST SYSTEM
US4305477A (en) * 1979-12-20 1981-12-15 Deere & Company Exhaust tuning means for internal combustion engines
US6467570B1 (en) * 2001-05-15 2002-10-22 Arvin Technologies, Inc. Spark arrester with spark filter
GB2383604A (en) * 2001-12-27 2003-07-02 Wilson F G Exhaust gas silencer with combined acoustic resonator chamber and spark arrester

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004059540B3 (en) * 2004-12-09 2006-08-31 J. Eberspächer GmbH & Co. KG Flow paths throttling and controlling device for muffler, has side baffle blocking side opening from closed position upto control position of damper and increasingly releasing opening from control position upto opening position of damper
DE102005026376A1 (en) * 2005-06-08 2006-12-14 Arvinmeritor Emissions Technologies Gmbh vehicle exhaust
DE202007010754U1 (en) * 2007-08-02 2007-10-31 Heinrich Gillet Gmbh Housing for exhaust systems

Also Published As

Publication number Publication date
EP2196640A2 (en) 2010-06-16
EP2196640B1 (en) 2014-10-08
DE102008062014A1 (en) 2010-06-17

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