WO2006061526A1 - Dispositif de depollution des gaz d'echappement d'un moteur thermique - Google Patents
Dispositif de depollution des gaz d'echappement d'un moteur thermique Download PDFInfo
- Publication number
- WO2006061526A1 WO2006061526A1 PCT/FR2005/003096 FR2005003096W WO2006061526A1 WO 2006061526 A1 WO2006061526 A1 WO 2006061526A1 FR 2005003096 W FR2005003096 W FR 2005003096W WO 2006061526 A1 WO2006061526 A1 WO 2006061526A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- section
- shim
- substrate
- pollution control
- depollution
- Prior art date
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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
-
- 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
- F01N13/009—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 having two or more separate purifying devices arranged in series
- F01N13/0097—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 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
-
- 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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- 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
Definitions
- the present invention relates to a device for the depollution of the exhaust gases of a heat engine of the type comprising an outer casing, the casing comprising first and second successive tubular sections respectively containing a first and a second organ. depollution mounted successively in the passage, the first section having a female end in which is fitted a male end of the second section.
- Such a device is used in particular for the depollution of diesel engines of a motor vehicle.
- it commonly comprises, arranged in the same envelope, a catalytic purification unit and a particulate filter.
- the catalytic purification unit is adapted for the treatment of polluting emissions in the gaseous phase, while the particulate filter is adapted to retain the soot particles emitted by the engine.
- the particulate filter is adapted to retain the soot particles emitted by the engine.
- several catalytic purification units are arranged in the same envelope.
- the depollution device in two parts each having a tubular section inside which is disposed a depollution device.
- the two sections are nested one inside the other and are held together by a flange or a strapping.
- a flange or a strapping Such a device is described for example in patent applications FR-2,821,117 and FR-2,839,533.
- the object of the invention is to propose an exhaust gas depollution device that can be manufactured easily and therefore have a reduced cost.
- the subject of the invention is an exhaust gas depollution device of the aforementioned type, characterized in that the spigot has, at its end, an axial abutment surface bearing against the first depollution member contained in the first section.
- the device comprises one or more of the following characteristics: the axial abutment surface is defined by an internal flange formed at the end of the spigot end;
- the internal diameter of the internal collar is smaller than the section of the face facing the first depollution member
- the first section comprises, opposite the female end relative to the first depollution member, a peripheral shoulder on which the first depollution member is axially supported;
- the first depollution member comprises a substrate and a spacer interposed between the axial abutment surface and the substrate;
- the second depollution member bears axially against the internal glue
- the nested female and male ends are welded to each other by a peripheral weld;
- - Figure 1 is a longitudinal sectional view of the pollution control device according to the invention
- - Figure 2 is a longitudinal sectional view of the depollution device before assembly of the two successive sections
- FIG. 3 is a partial longitudinal sectional view of the coupling of two successive sections according to another embodiment.
- the depollution device 10 shown in FIG. 1, comprises a generally cylindrical muffler 12 having at one end an inlet 14 and at its other end an outlet 16.
- a catalytic purification element 18 and a filter with particles 20 separated by a free space 22 are successively arranged from the inlet to the outlet inside the pot 12.
- the muffler 12 has an outer casing 23 defining an exhaust gas flow passage through which are disposed the catalytic purification unit 18 and the particulate filter 20.
- the catalytic purification member 18 comprises, for example, a gas permeable structure 19 coated with catalytic metals promoting the oxidation of the combustion gases and / or the reduction of nitrogen oxides.
- the particle filter 20 comprises a filtration material consisting of a monolithic structure 21 of ceramic or silicon carbide having a porosity sufficient to allow the passage of exhaust gas. However, as known per se, the diameter of the pores is chosen to be small enough to ensure retention of the particles, and especially particles of soot, on the upstream face of the filter.
- the particulate filter may also be made from a ceramic foam, cordierite or silicon carbide. It may also consist of a cartridge filter or a sintered metal filter.
- the particle filter used here comprises for example a set of parallel channels distributed in a first group of input channels and a second group of output channels. The input and output channels are staggered.
- the inlet channels open on the upstream section of the particulate filter and are closed at the downstream section of the particulate filter.
- outlet channels are closed on the upstream section of the particulate filter and are open on its downstream section.
- the outer casing 23 is formed by a cylindrical wall 24 of substantially constant section.
- the pot comprises a diverging section 26 connecting an inlet pipe 28 to the cylindrical wall 24.
- the cylindrical wall 24 is extended by a convergent section 30 ending in a pipe output 32 defining the output 16.
- the exhaust gases flow firstly through the catalytic purification unit 18 and then through the particulate filter 20.
- the envelope 23 is delimited, in the example in question, by two successive tubular sections 38, 40 coupled to each other and containing, respectively, the catalytic purification member 18 and the particulate filter 20.
- Each section is formed of a rolled shell whose two longitudinal edges are connected to each other in a longitudinal connection formed by welding or crimping.
- the upstream section 38 considering the normal flow direction of the gas, has, at its downstream end, an enlarged female end 42 in which is engaged axially the upstream end of the section 40 forming a male end noted 44.
- the section 38 has, at its upstream end, a thrust collar 46 internally forming a bearing shoulder 48 of the catalytic purification element 18.
- the catalytic purification unit 18 comprises, besides the gas permeable structure 19, a shim 50 interposed between the periphery of the upstream face of the structure 50 and the shoulder 48. This wedge is extended along the lateral wall of the structure 19 .
- the spacer 50 is formed of an annular seal generally having, in section, the shape of an L, one branch of which bears on the shoulder 48 and the other branch bears on the lateral surface of the structure 19.
- a shim 52 identical to the shim 50, is engaged at the periphery of the downstream face of the structure 19 and also extends partially along the lateral surface of the structure.
- the branch of the shim covering, at its periphery, the downstream surface forms a bearing seat of the end of the male end 44 of the second section 40.
- the two shims 50, 52 define an axial clearance between the shoulder 48 and the upstream face of the substrate 19 which is of the order of 5.5 mm while the radial clearance defined between the lateral surfaces opposite the substrate 19 and the section 38 is of the order of 3.5 mm.
- These two shims are formed of a metal mesh type ACS LSP 5600 provided by the company ACS.
- Only the upstream block 50 is associated with a thermoexpansible material of vermiculite type which makes it possible to seal the exhaust gases.
- the section 38 has a flare 54 forming the female end 42.
- the second section 40 has, at the end of the spigot end 44, a reentrant peripheral flange 56 internally defining a shoulder 58 for supporting the particulate filter 20.
- the flange 56 internally has a section that is lower than the peripheral section of the downstream face. of the porous structure 19, so as to bear thereon by means of the wedge 52 forming a stop.
- the substrate 21 of the particulate filter is supported by its upstream face on the shoulder 58 with the interposition of a wedge 60 formed of an annular seal of L-section, a branch of which is interposed between the shoulder 58 and the periphery of the upstream face of the substrate 21 and the other wing extending between the side wall of the substrate and the side wall of the second section 40.
- connection between the first and second sections 38, 40 is provided by a peripheral weld 70 formed at the end of the female end 42 against the side wall 40 of the second section.
- the first and second sections 38, 40 are connected by interlocking respectively to the divergent section 26 and to the convergent section 30.
- the diverging section 26 has at its periphery of larger diameter an enlarged end in which is fitted the upstream end of the first section 38, the flange 46 resting on the shoulder of the divergent section 46 formed by the widened end. .
- the widened end of the convergent section 30 is nested inside the downstream end of the second section 40.
- it has a generally cylindrical outer rim 72 adapted to be applied against the inside surface of the wall 40.
- the convergent section 30 bears against the substrate 21 of the particle filter with the interposition of a shim 74 formed of a seal identical to the shim 60.
- the wedges 60 and 74 define an axial play of the order of 5 mm and a radial play of the order of 3.5 mm.
- the shims are for example of the type LSP-5600.45 of the company ACS. They differ from shims 50 and 52 in that they are denser in order to better absorb the stresses of the particulate filter 20.
- the substrate 21 is surrounded in its current part by a holding ply 76 interposed between the substrate and the inner surface of the section 40.
- This ply is formed for example of ISOMAT AV 3280 g / m 2 from the company Unifrax.
- the catalytic purification member is first engaged inside the first section 48, the shims 50 and 52 being interposed between the substrate 19 and the first section 38.
- the substrate 21 of the particulate filter is engaged with the two wedges 60, 74 in the second section 40.
- the substrate is held in abutment against the shoulder 58 by the convergent section 30 fitted in the second section 40 from the rear end.
- the substrate 21 is held sandwiched between the shoulder 58 and the rim of the convergent section
- the substrate 21 is maintained with a compressive force of 4000 N imposed by the convergent section 30.
- the spigot end 44 of the second section is then fitted into the female end 42 of the first section until the flange 56 abuts on the shim 52 in order to ensure the axial blocking of the substrate 19 of the catalytic purification element.
- this substrate being held between the shoulder 48 and the abutment 56 formed of the inner collar formed at the end of the spigot 44.
- the pressing force ensuring the compression of the catalytic purification member 18 between the two bearing surfaces is controlled and is adjusted according to the requests. This force is preferably between 1500 and 5000 N and is, for example, of the order of 2000 N.
- the substrate 19 of the catalytic purification member is held axially only by fitting the spigot end 44 provided with the flange 56 in the end. female 42.
- the support of the male end of the second section against the substrate 19 and via it against the shoulder 48 allows axial positioning of the first and second sections 38, 40 relative to each other. to the other.
- the collar 56 allows both a blocking of the substrate 19 and a correct positioning of the first and second sections ensuring a reduced manufacturing cost of the depollution device.
- the flange 56 also provides a stop function for the substrate 21 of the particulate filter.
- the second section 40 is equipped, at the end of the spigot end, as above, with an inner flange 56. However, the substrate 21 of the particulate filter does not bear against flange 56 but is held axially on the flange 56. interior of the second section 40 by the intermediate ply 76 interposed between the lateral surface of the substrate 21 and the lateral wall of the second section 40.
- the first and second sections are connected by a removable collar 80 surrounding an edge of curved end 82 formed at the end of the female end 44 and a bead 84 integral with the outer surface of the section 40, the edge 82 being applied against the bead 84 and both retained within the V-shaped profile of the collar 80.
- the bead 84 is formed of a curved ferrule having a flat section 86 extended by a section 88 with a V-section having two sidewalls inclined with respect to each other by 90.degree. bead proper.
- the ferrule is bonded by a weld 90 to the outer surface of the second section 40.
- the axial positioning of the first and second sections, as well as the blocking in position of the substrate 19 is ensured by the inner flange 56.
- the locking of the collar 80 maintains the compression member depollution 18, insofar as the collar 80 surrounds the substrate 19.
- more than two sections are fitted successively. Each of them has a female end at their downstream end by considering the direction of flow and a male end at their upstream end, the male end of a section being nested in the end of the adjacent section.
- the device of the invention is particularly suitable for cases in which a short ceramic is used.
- a ceramic is said to be short when the length / diameter ratio is less than 0.5.
- the shims 50, 52, positioned at each corner of the depollution member 18, make it possible to hold the latter firmly fixed inside the section 38 while ensuring the seal between the body of the section 38 and the substrate 19 .
- the depollution member 18 has a length / diameter ratio of less than 0.5, a holding ply, namely a material wrapping around the periphery of the member 18, can not be used to maintain the depollution unit in the section 38 because of a part of the small contact surface between the lateral surface of the pollution control member and the surface of the section 38 and secondly the strong vibrations to which the device is subjected in running course.
- the small surface is related to the short length of the depollution device 18.
- the collar 56 is of short length and extends only in the axial direction towards the inside of the section 38. This collar is supported on one side of the wedge 52 to maintain the position thereof.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112005003105T DE112005003105T5 (de) | 2004-12-10 | 2005-12-09 | Reinigungsvorrichtung für Abgase eines Verbrennungsmotors |
US11/721,390 US20090235623A1 (en) | 2004-12-10 | 2005-12-09 | Device for depolluting exhaust gases of a thermal engine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0413192A FR2879240B1 (fr) | 2004-12-10 | 2004-12-10 | Dispositif de depollution des gaz d'echappement d'un moteur thermique |
FR0413192 | 2004-12-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006061526A1 true WO2006061526A1 (fr) | 2006-06-15 |
Family
ID=34952892
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2005/003096 WO2006061526A1 (fr) | 2004-12-10 | 2005-12-09 | Dispositif de depollution des gaz d'echappement d'un moteur thermique |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090235623A1 (fr) |
DE (1) | DE112005003105T5 (fr) |
FR (1) | FR2879240B1 (fr) |
WO (1) | WO2006061526A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8263010B2 (en) * | 2006-06-12 | 2012-09-11 | Faurecia Systemes D'echappement | Device for removing pollutants from the exhaust gases of a heat engine |
CN102852614A (zh) * | 2012-09-05 | 2013-01-02 | 周峰 | 一种排气管防进水装置中的弯管与排气管的连接结构 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9624809B2 (en) | 2013-09-06 | 2017-04-18 | GM Global Technology Operations LLC | Monitoring system for a single can oxidation catalyst/particulate filter |
CN107956568A (zh) * | 2017-12-06 | 2018-04-24 | 佛吉亚排气控制技术开发(上海)有限公司 | 车辆排气后处理总成 |
DE102018106836A1 (de) * | 2018-03-22 | 2019-09-26 | Faurecia Emissions Control Technologies, Germany Gmbh | Abgasanlagenkomponente sowie Verfahren zur Herstellung einer Abgasanlagenkomponente |
EP4039952A1 (fr) * | 2021-02-04 | 2022-08-10 | Purem GmbH | Module de traitement des gaz d'échappement pour un syst?me d'échappement des gaz d'un moteur à combustion interne |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3727217A1 (de) * | 1987-07-31 | 1989-02-23 | Tenneco Inc | Katalytischer wandler und substrattraeger |
EP0356907A2 (fr) * | 1988-09-01 | 1990-03-07 | Emitec Gesellschaft für Emissionstechnologie mbH | Corps support pour réacteur catalytique pour purification de gaz d'échappement |
EP0471175A1 (fr) * | 1990-07-28 | 1992-02-19 | Friedrich Boysen GmbH & Co. KG | Procédé pour la fabrication d'un dispositif pour la purification catalytique ou la décomposition de gaz d'échappement chauds |
EP0758048A1 (fr) * | 1995-08-07 | 1997-02-12 | Friedrich Boysen GmbH & Co. KG | Dispositif pour purifier resp. décomposer catalytiquement des gaz d'échappement chauds |
DE19919580A1 (de) * | 1999-04-29 | 2000-11-02 | Delphi Tech Inc | Mehrteiliges Katalysatorgehäuse |
US20020068025A1 (en) * | 2000-12-04 | 2002-06-06 | Foster Michael Ralph | Catalytic converter |
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US3210102A (en) * | 1964-07-22 | 1965-10-05 | Joslin Alvin Earl | Pipe coupling having a deformed inner lock |
US3499667A (en) * | 1968-10-21 | 1970-03-10 | Anton Pfeuffer | Hose clamp |
US3724878A (en) * | 1971-03-24 | 1973-04-03 | J Ford | Flexible connector |
US4203949A (en) * | 1976-04-23 | 1980-05-20 | Honda Giken Kogyo Kabushiki Kaisha | Catalyst converter for cleaning exhausts of cars |
US4257155A (en) * | 1976-07-26 | 1981-03-24 | Hunter John J | Method of making pipe coupling joint |
JPS5724886Y2 (fr) * | 1979-03-19 | 1982-05-29 | ||
US4239733A (en) * | 1979-04-16 | 1980-12-16 | General Motors Corporation | Catalytic converter having a monolith with support and seal means therefor |
CH647302A5 (de) * | 1979-06-06 | 1985-01-15 | Alusuisse | Vorrichtung zum ableiten der abgase von verbrennungskraftmaschinen. |
US4363644A (en) * | 1980-02-04 | 1982-12-14 | Nippon Soken, Inc. | Filter for purifying exhaust gas |
US4413392A (en) * | 1980-08-22 | 1983-11-08 | Honda Giken Kogyo Kabushiki Kaisha | Method of making two-stage catalytic converter |
US4425304A (en) * | 1981-01-20 | 1984-01-10 | Toyo Kogyo Co., Ltd. | Catalytic converter |
US4462812A (en) * | 1982-12-08 | 1984-07-31 | General Motors Corporation | Ceramic monolith particulate trap including filter support |
CA1260241A (fr) * | 1985-08-23 | 1989-09-26 | Masayuki Enomoto | Methode et dispositif d'assemblage d'une garniture interieure de convertisseur catalytique |
US5118476A (en) * | 1986-06-12 | 1992-06-02 | Tennessee Gas Pipeline Company | Catalytic converter and substrate support |
US5346675A (en) * | 1988-12-16 | 1994-09-13 | Usui Kokusai Sangyo Kabushiki Kaisha | Exhaust gas cleaning apparatus |
US6206944B1 (en) * | 1999-10-15 | 2001-03-27 | Corning Incorporated | Low aspect ratio diesel exhaust filter |
US6827885B2 (en) * | 2000-03-31 | 2004-12-07 | Bausch & Lomb Incorporated | Methods and devices to control polymerization |
DE20006032U1 (de) * | 2000-03-31 | 2000-06-29 | Bayerische Motoren Werke AG, 80809 München | Abgasreinigungseinrichtung |
US6877780B2 (en) * | 2000-06-23 | 2005-04-12 | Breeze-Torca Products, Llc | Clamp for joining tubular bodies |
DE10217925B4 (de) * | 2002-04-22 | 2005-07-28 | J. Eberspächer GmbH & Co. KG | Katalysator für eine Brennkraftmaschine |
FR2839533B1 (fr) * | 2002-05-07 | 2004-11-19 | Faurecia Sys Echappement | Dispositif nettoyable de depollution des gaz d'echappement d'un moteur |
US7160519B1 (en) * | 2003-07-28 | 2007-01-09 | Fleetguard, Inc. | Serviceable exhaust aftertreatment device, and configured cylindrical bodies for coupling |
US7550024B2 (en) * | 2006-09-07 | 2009-06-23 | Cummins Filtration Ip, Inc. | Serviceable exhaust aftertreatment assembly and method |
-
2004
- 2004-12-10 FR FR0413192A patent/FR2879240B1/fr not_active Expired - Fee Related
-
2005
- 2005-12-09 US US11/721,390 patent/US20090235623A1/en not_active Abandoned
- 2005-12-09 DE DE112005003105T patent/DE112005003105T5/de not_active Withdrawn
- 2005-12-09 WO PCT/FR2005/003096 patent/WO2006061526A1/fr active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3727217A1 (de) * | 1987-07-31 | 1989-02-23 | Tenneco Inc | Katalytischer wandler und substrattraeger |
EP0356907A2 (fr) * | 1988-09-01 | 1990-03-07 | Emitec Gesellschaft für Emissionstechnologie mbH | Corps support pour réacteur catalytique pour purification de gaz d'échappement |
EP0471175A1 (fr) * | 1990-07-28 | 1992-02-19 | Friedrich Boysen GmbH & Co. KG | Procédé pour la fabrication d'un dispositif pour la purification catalytique ou la décomposition de gaz d'échappement chauds |
EP0758048A1 (fr) * | 1995-08-07 | 1997-02-12 | Friedrich Boysen GmbH & Co. KG | Dispositif pour purifier resp. décomposer catalytiquement des gaz d'échappement chauds |
DE19919580A1 (de) * | 1999-04-29 | 2000-11-02 | Delphi Tech Inc | Mehrteiliges Katalysatorgehäuse |
US20020068025A1 (en) * | 2000-12-04 | 2002-06-06 | Foster Michael Ralph | Catalytic converter |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8263010B2 (en) * | 2006-06-12 | 2012-09-11 | Faurecia Systemes D'echappement | Device for removing pollutants from the exhaust gases of a heat engine |
CN102852614A (zh) * | 2012-09-05 | 2013-01-02 | 周峰 | 一种排气管防进水装置中的弯管与排气管的连接结构 |
Also Published As
Publication number | Publication date |
---|---|
FR2879240B1 (fr) | 2010-12-17 |
FR2879240A1 (fr) | 2006-06-16 |
DE112005003105T5 (de) | 2007-10-31 |
US20090235623A1 (en) | 2009-09-24 |
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