EP2464841B8 - Decoupling element, in particular for exhaust gas systems - Google Patents

Decoupling element, in particular for exhaust gas systems Download PDF

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Publication number
EP2464841B8
EP2464841B8 EP20110749733 EP11749733A EP2464841B8 EP 2464841 B8 EP2464841 B8 EP 2464841B8 EP 20110749733 EP20110749733 EP 20110749733 EP 11749733 A EP11749733 A EP 11749733A EP 2464841 B8 EP2464841 B8 EP 2464841B8
Authority
EP
European Patent Office
Prior art keywords
exhaust gas
decoupling element
gas systems
systems
decoupling
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
EP20110749733
Other languages
German (de)
French (fr)
Other versions
EP2464841B1 (en
EP2464841A1 (en
Inventor
Immo GÄRTNER
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.)
BOA Balg und Kompensatoren Technologie GmbH
Original Assignee
BOA Balg und Kompensatoren Technologie GmbH
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 BOA Balg und Kompensatoren Technologie GmbH filed Critical BOA Balg und Kompensatoren Technologie GmbH
Publication of EP2464841A1 publication Critical patent/EP2464841A1/en
Publication of EP2464841B1 publication Critical patent/EP2464841B1/en
Application granted granted Critical
Publication of EP2464841B8 publication Critical patent/EP2464841B8/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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28—Construction of catalytic reactors
    • F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
    • 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • 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
    • F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
    • F01N13/1811—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration
    • F01N13/1816—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body with means permitting relative movement, e.g. compensation of thermal expansion or vibration the pipe sections being joined together by flexible tubular elements only, e.g. using bellows or strip-wound pipes
    • 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
    • F01N2470/08—Gas passages being formed between the walls of an outer shell and an inner chamber
    • 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
    • F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled
    • 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
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Exhaust Silencers (AREA)
  • Exhaust Gas After Treatment (AREA)
EP20110749733 2010-08-25 2011-08-23 Decoupling element, in particular for exhaust gas systems Active EP2464841B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010035311 DE102010035311A1 (en) 2010-08-25 2010-08-25 Decoupling element, in particular for exhaust systems
PCT/EP2011/004219 WO2012025218A1 (en) 2010-08-25 2011-08-23 Decoupling element, in particular for exhaust gas systems

Publications (3)

Publication Number Publication Date
EP2464841A1 EP2464841A1 (en) 2012-06-20
EP2464841B1 EP2464841B1 (en) 2013-12-11
EP2464841B8 true EP2464841B8 (en) 2014-02-19

Family

ID=44534255

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110749733 Active EP2464841B8 (en) 2010-08-25 2011-08-23 Decoupling element, in particular for exhaust gas systems

Country Status (3)

Country Link
EP (1) EP2464841B8 (en)
DE (1) DE102010035311A1 (en)
WO (1) WO2012025218A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012014333A1 (en) * 2012-07-20 2014-01-23 Man Truck & Bus Ag Mixing device for aftertreatment of exhaust gases
DE102013111033B4 (en) 2012-10-08 2019-10-17 Witzenmann Gmbh Method and device for thermal management of a vehicle exhaust system
DE102012024118A1 (en) 2012-12-11 2014-06-26 Man Diesel & Turbo Se Compensator of an exhaust aftertreatment system
GB2528764B (en) * 2014-06-13 2020-07-29 Cummins Emission Solutions Inc In-line decomposition reactor pipe with exhaust assist
DE102014015868A1 (en) * 2014-10-25 2016-04-28 Daimler Ag Exhaust after-treatment device for an internal combustion engine, in particular a motor vehicle
DE102016119306A1 (en) * 2016-10-11 2018-04-12 Witzenmann Gmbh Device for mixing fluid streams
SE541082C2 (en) 2017-06-14 2019-04-02 Scania Cv Ab Exhaust additive distribution arrangement and system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11182234A (en) * 1997-12-17 1999-07-06 Sango Co Ltd Exhaust pipe
DE60203799T2 (en) * 2002-09-12 2005-11-10 Ford Global Technologies, LLC, Dearborn Balganordnung for connecting at least two exhaust outlet pipes of a vehicle internal combustion engine with exhaust pipes and an internal combustion engine equipped with such an arrangement
DE102004020138B4 (en) * 2004-04-24 2007-02-08 Daimlerchrysler Ag Reducing agent addition system
SE528119C2 (en) * 2004-08-06 2006-09-05 Scania Cv Ab Arrangement for supplying a medium to an exhaust line of an internal combustion engine
US7941995B2 (en) * 2007-10-02 2011-05-17 Cummins Filtration Ip, Inc. Exhaust aftertreatment system with compliantly coupled sections
DE102008010071A1 (en) 2008-02-19 2009-08-20 Man Nutzfahrzeuge Ag Compact exhaust aftertreatment system
DE102009043577B4 (en) * 2008-10-01 2014-01-23 Witzenmann Gmbh Decoupling element with a filter element
DE202010006126U1 (en) * 2010-04-28 2010-08-12 Witzenmann Gmbh Decoupling element for exhaust systems
DE202010006231U1 (en) * 2010-04-29 2010-08-05 Boa Balg- Und Kompensatoren-Technologie Gmbh Flexible conduit element
DE102010025611A1 (en) * 2010-06-30 2011-01-13 Daimler Ag Exhaust gas system for passenger car, has injector angularly ending at axial direction of inner pipe that is arranged in region of corrugated pipe, and mixing device arranged at inner pipe for mixing reducing agent with exhaust gas

Also Published As

Publication number Publication date
EP2464841B1 (en) 2013-12-11
DE102010035311A1 (en) 2012-03-01
WO2012025218A1 (en) 2012-03-01
EP2464841A1 (en) 2012-06-20

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