EP1437489A1 - Système pour gaz d'échappement - Google Patents

Système pour gaz d'échappement Download PDF

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Publication number
EP1437489A1
EP1437489A1 EP03024193A EP03024193A EP1437489A1 EP 1437489 A1 EP1437489 A1 EP 1437489A1 EP 03024193 A EP03024193 A EP 03024193A EP 03024193 A EP03024193 A EP 03024193A EP 1437489 A1 EP1437489 A1 EP 1437489A1
Authority
EP
European Patent Office
Prior art keywords
funnel
exhaust pipe
monolith
exhaust
section
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
EP03024193A
Other languages
German (de)
English (en)
Other versions
EP1437489B2 (fr
EP1437489B1 (fr
Inventor
Winfried Wilhelm
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.)
Eberspaecher Climate Control Systems GmbH and Co KG
Original Assignee
J Eberspaecher 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
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Application filed by J Eberspaecher GmbH and Co KG filed Critical J Eberspaecher GmbH and Co KG
Publication of EP1437489A1 publication Critical patent/EP1437489A1/fr
Application granted granted Critical
Publication of EP1437489B1 publication Critical patent/EP1437489B1/fr
Publication of EP1437489B2 publication Critical patent/EP1437489B2/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • F01N13/18—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
    • 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
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/20—Dimensional characteristics of tubes, e.g. length, diameter

Definitions

  • the present invention relates to an exhaust system for a Internal combustion engine, in particular a motor vehicle.
  • a catalyst unit is known from DE 39 03 803 A1, which have a catalytically active monolith in a housing contains.
  • a cross section of this monolith is larger as a cross section of an exhaust pipe to which the catalyst unit to be connected.
  • the housing has a funnel that ends at the exhaust pipe is connectable and at the other end in the housing passes, with the funnel between its ends accordingly expands.
  • the connection point in which the exhaust pipe connected to the funnel is outside a funnel inside.
  • the well-known catalyst unit also has a longitudinally adjustable one arranged in the funnel stored flow guide element that is dependent its relative position is the cross section through which the exhaust gas flows of the monolith so as to achieve the Accelerate starting temperature of the catalyst. The Installation of such a flow guide element is relative high effort.
  • Another catalyst unit is known from EP 0 724 070 A1 known, which has a housing in which a monolith is arranged is.
  • the monolith is with a fuse or Holding element fixed in the housing.
  • the case is on its ends are equipped with funnels that differ from the large one Cross section in the area of the monolith to a small cross section taper to a flange.
  • the funnels with an outer funnel on each side of the housing and a concentrically arranged inner funnel, which is dimensioned so that it is as close as possible to the Monolith covers the cross section of the monolith. hereby is achieved that the securing or holding element in operation is not exposed to gas flow.
  • Over the flanges the housing can be connected to exhaust pipes. The installation of such additional inner funnel is comparatively one high effort.
  • the present invention is concerned with the problem for an exhaust system of the aforementioned Type to specify an improved embodiment, the particular has a simple structure and is inexpensive to manufacture is.
  • the present invention is based on the general idea that the housing of the catalytic converter or particulate filter unit and to coordinate the exhaust pipe to be connected to each other, that the exhaust pipe into the funnel of the case laterally, i.e. opposite to a longitudinal central axis of the monolith or the filter body can be inserted inclined from the outside is.
  • the connection of the exhaust pipe is on simplifies the housing of the catalyst or particle filter unit.
  • the funnel also gives you the option of using a appropriate design of the mouth end within the Funnel to generate a desired flow. In particular, this allows the distribution of the supplied Exhaust gases on the monolith or filter body cross section optimize.
  • the in the end of the mouth protruding inside the funnel Funnel and the exhaust pipe from an annular gap the is practically not flowed through during operation and thus a thermal Isolation for the funnel causes.
  • the end of the mouth lies in a plane whose normal is essentially parallel to the longitudinal central axis of the monolith or of the filter body.
  • the exhaust pipe quasi beveled at the end of its mouth, whereby the outlet cross-section increases at the end of the mouth, without having to widen the exhaust pipe.
  • a flow-guiding Shaping at the end of the mouth can thus with the invention Exhaust system can be implemented without much effort.
  • exhaust system 1 and 2 comprises an inventive and only partially shown exhaust system 1 at least one, Exhaust pipe 2 shown here only in one end section and a connected catalyst or particle filter unit 3, which is also only in one with the exhaust pipe 2 connected section is shown.
  • the exhaust system 1 is for mounting on an internal combustion engine, not shown here, which are housed in particular in a motor vehicle can, suitable and serves to discharge the from the internal combustion engine generated exhaust gases.
  • the catalyst or particle filter unit 3 comprises a Housing 4, in which at least one monolith or at least a filter body 5 is housed.
  • the monolith 5 or the filter body 5 is usually with one here Storage mat, not shown, stored or positioned in the housing 4.
  • the filter body 5 can e.g. be a soot filter.
  • the catalyst or particle filter unit 3 also has a funnel 6, which has a first end 7 on the exhaust pipe 2 and connected to the housing 4 with a second end 8 is.
  • the monolith or filter body 5 has usually a cross section 9 which is significantly larger than a cross section 10 of the exhaust pipe 2 in the area of the first Funnel end 7.
  • the funnel 6 widens accordingly from its first end 7 to its second end 8.
  • the cross section of the monolith or filter body is customary 9 also larger than a cross section 11 of a mouth end 12 of the exhaust pipe 2.
  • the monolith or filter body cross section 9 and the exhaust pipe cross section 10 are here transverse to the longitudinal central axis 13 of the monolith or filter body 5 or across measured to a longitudinal center line 14 of the exhaust pipe 2. in the The difference is the mouth cross section 11 in one Level 21 measured, in which the mouth end 12 extends.
  • the exhaust pipe 2 is with its mouth end 12 in the first Funnel end 7 inserted concentrically, so that the longitudinal center line 14 of the exhaust pipe 2 with a longitudinal central axis 15 of the funnel 6 coincides as long as the longitudinal center line 14 of the exhaust pipe 2 extends in a straight line. Furthermore falls a second longitudinal central axis 16 of the funnel 6 with the longitudinal central axis 13 of the monolith or the filter body 5 together because the monolith or filter body 5 concentric arranged with respect to the second funnel end 8 is.
  • the funnel 6 is shaped so that its Ends 7,8 are inclined towards each other, i.e. the first longitudinal central axis 15 and the second longitudinal central axis 16 of the funnel 6 do not run parallel to each other, but are to each other inclined.
  • This construction closes the exhaust pipe 2 with respect to the longitudinal central axis 13 of the monolith or of the filter body 5 not axially, but laterally on the Funnel 6.
  • the exhaust pipe 2 is in the first funnel end 7 inserted, such that the mouth end 12 of the exhaust pipe 2 protrudes through the first funnel end 7 and protrudes into a funnel interior 17.
  • the configuration of the exhaust pipe 2 and the geometry of the first funnel end 7 are coordinated so that the exhaust pipe 2 from the side facing away from the monolith or from the filter body 5 through the first funnel opening 7 into the funnel interior 17 can be inserted.
  • this is perpendicular to Cross section measured along the longitudinal center line 14 of the exhaust pipe 2 constant and / or always the same size as or less than one open inner cross section of the first funnel end 7.
  • the exhaust pipe 2 may be shaped that its longitudinal center line 14 is straight in the funnel interior 17 runs.
  • Such an exhaust pipe 2 is special easy to manufacture. The insertion of the exhaust pipe 2 in the This makes funnel 6 very simple.
  • this is laterally in the Funnel 6 inserted exhaust pipe 2 to influence the Flow inside the catalyst or particulate filter unit 3 used.
  • the mouth end 12 in level 21, the Normal or perpendicular to the longitudinal center line 14 in Intersection 19 inclined with said mouth end plane 21 is.
  • this tendency is like this chosen that the mouth end plane 21 is substantially parallel to an end face 20 of the monolith or the filter body 5 runs. That is, the normal or vertical of the Mouth end level 21 extends essentially parallel to the longitudinal central axis 13 of the monolith or the filter body 5. In connection with the lateral insertion of the exhaust pipe 2 in the funnel 6, this results in an expansion of the cross-section through which flow can flow in the mouth end 12.
  • Mouth end 12 can guide the flow from the mouth end 12 to the end face 20 of the monolith or the filter body 5 influenced and targeted. In particular is it thereby enables the hot exhaust gas flow in a desired Way on the cross section of the monolith or Distribute filter body 5.
  • the course of the longitudinal center line 14 can be inside the funnel 17 also have an angled course.
  • the area of the exhaust line 1 shown in FIGS. 1 and 2 can be at the inlet of the catalyst or particle filter unit 3 be formed so that the funnel 6 is then an inlet funnel 6 forms.
  • the Catalyst or particulate filter unit 3 at its outlet be designed according to the invention so that the funnel 6 is designed as an outlet funnel.

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 Gas After Treatment (AREA)
EP03024193A 2003-01-09 2003-10-21 Système pour gaz d'échappement Expired - Fee Related EP1437489B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10300384 2003-01-09
DE2003100384 DE10300384B4 (de) 2003-01-09 2003-01-09 Abgasanlage

Publications (3)

Publication Number Publication Date
EP1437489A1 true EP1437489A1 (fr) 2004-07-14
EP1437489B1 EP1437489B1 (fr) 2006-11-29
EP1437489B2 EP1437489B2 (fr) 2012-03-07

Family

ID=32478169

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03024193A Expired - Fee Related EP1437489B2 (fr) 2003-01-09 2003-10-21 Système pour gaz d'échappement

Country Status (2)

Country Link
EP (1) EP1437489B2 (fr)
DE (2) DE10300384B4 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2194252A1 (fr) 2008-12-04 2010-06-09 Kia Motors Corporation Appareil catalytique pour véhicule
CN107605585A (zh) * 2016-07-12 2018-01-19 通用汽车环球科技运作有限责任公司 废气密封件

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010006829B4 (de) 2010-02-03 2013-08-14 Benteler Automobiltechnik Gmbh Abgasanlage
DE102011079906A1 (de) * 2011-07-27 2013-01-31 Bayerische Motoren Werke Aktiengesellschaft Abgasanlage für ein Kraftfahrzeug
CN109404098A (zh) * 2018-12-14 2019-03-01 东风汽车集团有限公司 一种横置后排增压发动机twc及gpf紧耦合热端催化器及排气系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0250537A1 (fr) * 1985-12-13 1988-01-07 Saab Scania Ab Carter de catalyseur.
DE4223648A1 (de) * 1992-07-17 1994-01-20 Zeuna Staerker Kg Katalytische Abgasreinigungsvorrichtung
DE4440160A1 (de) * 1993-12-03 1995-06-08 Gen Motors Corp Katalysator-Diffusor
US5666805A (en) * 1994-03-10 1997-09-16 Bayerische Motoren Werke Aktiengesellschaft Emission control system for internal-combustion engines
WO2000039437A1 (fr) * 1998-12-28 2000-07-06 Corning Incorporated Convertisseur utilise dans le traitement de gaz
EP1118749A2 (fr) * 2000-01-20 2001-07-25 J. Eberspächer GmbH & Co. Catalyseur de gaz d'échappement

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3903803A1 (de) * 1989-02-09 1990-08-16 Bayerische Motoren Werke Ag Gehaeuse eines abgaskatalysators
DE9421332U1 (de) * 1994-06-16 1995-10-05 Friedrich Boysen GmbH & Co KG, 72213 Altensteig Vorrichtung zur katalytischen Reinigung bzw. Zerlegung von heißen Abgasen
JP3294036B2 (ja) * 1995-01-26 2002-06-17 日本碍子株式会社 ハニカム触媒コンバータ
DE19824428B4 (de) * 1998-05-30 2004-07-01 Daimlerchrysler Ag Abgaskatalysatorkörper mit unterschiedlichen, parallelen Zellstrukturbereichen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0250537A1 (fr) * 1985-12-13 1988-01-07 Saab Scania Ab Carter de catalyseur.
DE4223648A1 (de) * 1992-07-17 1994-01-20 Zeuna Staerker Kg Katalytische Abgasreinigungsvorrichtung
DE4440160A1 (de) * 1993-12-03 1995-06-08 Gen Motors Corp Katalysator-Diffusor
US5666805A (en) * 1994-03-10 1997-09-16 Bayerische Motoren Werke Aktiengesellschaft Emission control system for internal-combustion engines
WO2000039437A1 (fr) * 1998-12-28 2000-07-06 Corning Incorporated Convertisseur utilise dans le traitement de gaz
EP1118749A2 (fr) * 2000-01-20 2001-07-25 J. Eberspächer GmbH & Co. Catalyseur de gaz d'échappement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2194252A1 (fr) 2008-12-04 2010-06-09 Kia Motors Corporation Appareil catalytique pour véhicule
CN107605585A (zh) * 2016-07-12 2018-01-19 通用汽车环球科技运作有限责任公司 废气密封件

Also Published As

Publication number Publication date
EP1437489B2 (fr) 2012-03-07
EP1437489B1 (fr) 2006-11-29
DE50305832D1 (de) 2007-01-11
DE10300384B4 (de) 2005-12-01
DE10300384A1 (de) 2004-07-29

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