EP1213453A1 - Housing for catalytic converter - Google Patents
Housing for catalytic converter Download PDFInfo
- Publication number
- EP1213453A1 EP1213453A1 EP01128406A EP01128406A EP1213453A1 EP 1213453 A1 EP1213453 A1 EP 1213453A1 EP 01128406 A EP01128406 A EP 01128406A EP 01128406 A EP01128406 A EP 01128406A EP 1213453 A1 EP1213453 A1 EP 1213453A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fastening element
- outwardly extending
- catalyst housing
- extending flange
- middle portion
- 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.)
- Withdrawn
Links
Images
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
- F01N13/1872—Construction facilitating manufacture, assembly, or disassembly the assembly using stamp-formed parts or otherwise deformed sheet-metal
-
- 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
- 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
- F01N13/1888—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells
- F01N13/1894—Construction facilitating manufacture, assembly, or disassembly the housing of the assembly consisting of two or more parts, e.g. two half-shells the parts being assembled in longitudinal direction
-
- 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
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
- F01N3/2842—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration specially adapted for monolithic supports, e.g. of honeycomb type
Definitions
- the present invention relates to a catalytic converter and more specifically to a housing for a catalytic converter.
- a catalytic converter block for internal combustion engine is usually arranged inside a specific housing specially adapted for mounting the catalyst block into the exhaust system of the internal combustion engine.
- a housing of the clamshell type formed by two half shells joined along longitudinally extending flanges to form an enclosure for a catalytic element or substrate.
- the housing may have a cylindrical interior of, for example, circular or oval cross section, depending on the shape of the enclosed element.
- a supporting mat may be provided to allow for expansion while holding the catalyst element firmly in place.
- the clamshell housings are easy to assemble but have a longitudinal seam along both sides, which must be welded or otherwise sealed.
- a tubular or cylindrical body may be provided with separately formed end pieces that are welded on the ends of the tubular body.
- the end pieces include generally conical walls, which connect the tubular portion enclosing the catalytic element with a smaller end opening for connection with an exhaust system pipe.
- a catalyst housing of this type is e.g. disclosed in EP-A-0 263 893.
- the object of the present invention is to provide a catalyst housing, which is less expensive.
- the present invention provides a catalyst housing, comprising a tubular middle portion, and first and second end portions, wherein said middle portion and said first and second end portions are formed by an integral stamped part.
- the first end portion is stamped so as to form a reducing end cap for fitting said catalyst housing to an exhaust tubing and said second end portion is bend outwardly so as to form an outwardly extending flange.
- the catalyst housing according to the present invention thus consists of an integral shell, suitable to serve as containment for a catalyst and which can be used as a warm-up converter to be bolted directly onto the engine manifold, a downpipe or a turbo.
- the shell comprises a tubular part in which the catalyst will be enclosed, a flange to seal said tubular part onto the upstream part of the exhaust system and an outlet cone to serve as attachment for the exhaust tubing.
- the catalyst housing of the present invention is made of one stamped part so that the cost of purchased parts is significantly lower as with state of the art housings. Furthermore, due to the one part design, the assembly and test steps are eliminated. Finally the one part design of the housing guarantees that there is no leakage due to leaking welds, no deformation of the housing due to heat input during welding, no weld spatter or contamination inherent in the welding process and no risk of dimensional non-conformities due to the assembly process. It follows that the quality of the catalyst housing according to the present invention is highly improves with respect to prior art housings.
- the outwardly extending flange comprises a front surface and an opposing rear surface, the rear surface being directed towards the middle portion of said housing.
- said front surface comprises a sealing surface surrounding the opening of said tubular middle portion.
- This sealing surface is beneficial for a leakproof assembly of the housing onto the engine manifold or the downpipe.
- the sealing surface can simply consist of an region of the front surface having well defined surface characteristics, such as roughness and/or planarity. This region may have an annular form or any other suitable form surrounding the opening of the catalyst housing.
- the sealing surface is preferably created during the stamping process of the shell, so that no further machining of the housing is required.
- the housing further comprises a ring shaped fastening element, said fastening element having an inner opening substantially equal to the outer form of said middle portion of said stamped part.
- This fastening element is preferably arranged around said tubular middle portion and abuts against said outwardly extending flange for mounting said catalyst housing onto a corresponding flange of an exhaust tubing or an engine manifold.
- the ring shaped fastening element acts as reinforcing element for providing the required seailng force between the flange and the upstream exhaust system.
- the housing is formed of a tubular sheet metal, the outwardly extending flange does hardly provide the necessary stiffness for securely mounting the catalyst to the upstream exhaust system.
- a ring shaped fastening element can compensate for the lack of stiffness of the flange. It has to be noted, that the fastening element only has a reinforcing function and does not contribute in the tightness of the connection between the housing and the upstream exhaust system. It follows that the fastening element is not subject to specific surface quality and accordingly can be produced at very low cost. It has to be noted, that the fastening element may have any suitable outer shape which allows to clamp it to the upstream exhaust system.
- the mounting of the housing can be done by clamping means for clamping the fastening element and the flange onto an associated flange of the engine manifold.
- the fastening element and the outwardly extending flange comprise matching openings for bolting said fastening element and said outwardly extending flange onto a corresponding flange of an exhaust tubing or an engine manifold.
- the facing surfaces of said outwardly extending flange and said fastening element preferably comprise means for positioning said fastening element with respect to said outwardly extending flange.
- These means for positioning may comprise a groove arranged in one of said facing surfaces of said outwardly extending flange and said fastening element and an associated key arranged in the respective other one of said facing surfaces.
- said means for positioning comprise a bead on said openings of said outwardly extending flange, said bead extending towards said fastening element for engaging into said openings of said fastening element.
- said fastening element is fixed to said outwardly extending flange.
- the fastening element can e.g. be fixed to the outwardly extending flange by spot welding, soldering, and the like. It has to be noted, that the connection of the fastening element and the outwardly extending flange does not need to be of a high quality. In fact, this connection is for positioning purposes only and does not bear any connecting forces between the catalyst housing and the upstream exhaust system.
- tubular middle portion can have a circular or an oval cross section or any other suitable form.
- Fig. 1 represents a preferred embodiment of a catalyst housing 10 with integrated catalyst block.
- the catalyst housing consists of an integral stamped part, which comprises a tubular section 12, a flange 14 to seal said tubular part 12 onto the upstream part of the exhaust system (not shown) and an reducing end cap 16 to serve as attachment for the exhaust tubing.
- a catalyst block 18 is arranged inside the tubular section 12, the block being simply inserted from the flange end of the tubular section 12.
- a supporting mat (not shown) may be provided to allow for expansion while holding the catalyst element firmly in place.
- the catalytic element may be brazed to the tubular section.
- a ring shaped fastening element 20 is arranged around the tubular section 12 and abuts against flange 14.
- This fastening element is used for mounting, e.g. bolting, the flange 14 of the catalyst housing 10 onto an upstream exhaust system, thereby providing the required stiffness of the connection.
- the flange of the catalyst housing can e.g. be bolted directly on an associated flange of an engine manifold, a downpipe or a turbo.
- matching bolting openings 22 and 24 are provided in the fastening element 20 and the flange 14.
- means may be provided for positioning said fastening element 20 and the flange 14.
- the fastening element 20 and the flange 14 can be connected by means of spot welding, soldering or the like.
- the front surface of the flange comprises preferably a region having well defined surface characteristics, such as roughness and/or planarity. This region defines a sealing surface for cooperating with a matching surface of the flange of the manifold.
- the region having specific surface characteristics may have an annular form (see Fig. 2) or any other suitable form surrounding the opening of the catalyst housing.
- the shown embodiment of the catalyst housing has a circular cross section, it will be apparent for the one skilled in the art, that depending on the shape of the enclosed catalytic element 18, any other form of housing, e.g. oval, will be possible. It will also be clear, that independent of the form of the housing, the outer end of the reducing end cap will have a form matching the one of the exhaust pipe. It will further be noted, that the outer shape of the flange is not limited to the generally triangular form as show in Fig.2.
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)
Abstract
A catalyst housing (10) comprises a tubular middle portion (12), and first and
second end portions, wherein said middle portion (12) and said first and second
end portions are formed by an integral stamped part. The first end portion is
stamped so as to form a reducing end cap (16) for fitting said catalyst housing
to an exhaust tubing and said second end portion is bend outwardly so as to
form an outwardly extending flange (18).
Description
- The present invention relates to a catalytic converter and more specifically to a housing for a catalytic converter.
- A catalytic converter block for internal combustion engine is usually arranged inside a specific housing specially adapted for mounting the catalyst block into the exhaust system of the internal combustion engine.
- It is known in the art relating to catalytic converters to provide a housing of the clamshell type formed by two half shells joined along longitudinally extending flanges to form an enclosure for a catalytic element or substrate. The housing may have a cylindrical interior of, for example, circular or oval cross section, depending on the shape of the enclosed element. A supporting mat may be provided to allow for expansion while holding the catalyst element firmly in place. The clamshell housings are easy to assemble but have a longitudinal seam along both sides, which must be welded or otherwise sealed. Alternatively, a tubular or cylindrical body may be provided with separately formed end pieces that are welded on the ends of the tubular body. The end pieces include generally conical walls, which connect the tubular portion enclosing the catalytic element with a smaller end opening for connection with an exhaust system pipe. A catalyst housing of this type is e.g. disclosed in EP-A-0 263 893.
- It is clear, that the assembly of several parts in order to form a catalyst housing is expensive and requires several testing steps in order to insure, that the catalyst housing is leak free. It follows that the manufacture of the housing is expensive and very time consuming.
- The object of the present invention is to provide a catalyst housing, which is less expensive.
- In order to achieve the above-mentioned object, the present invention provides a catalyst housing, comprising a tubular middle portion, and first and second end portions, wherein said middle portion and said first and second end portions are formed by an integral stamped part. The first end portion is stamped so as to form a reducing end cap for fitting said catalyst housing to an exhaust tubing and said second end portion is bend outwardly so as to form an outwardly extending flange.
- The catalyst housing according to the present invention thus consists of an integral shell, suitable to serve as containment for a catalyst and which can be used as a warm-up converter to be bolted directly onto the engine manifold, a downpipe or a turbo. The shell comprises a tubular part in which the catalyst will be enclosed, a flange to seal said tubular part onto the upstream part of the exhaust system and an outlet cone to serve as attachment for the exhaust tubing.
- In contrast to the prior art catalyst housings, the catalyst housing of the present invention is made of one stamped part so that the cost of purchased parts is significantly lower as with state of the art housings. Furthermore, due to the one part design, the assembly and test steps are eliminated. Finally the one part design of the housing guarantees that there is no leakage due to leaking welds, no deformation of the housing due to heat input during welding, no weld spatter or contamination inherent in the welding process and no risk of dimensional non-conformities due to the assembly process. It follows that the quality of the catalyst housing according to the present invention is highly improves with respect to prior art housings.
- The outwardly extending flange comprises a front surface and an opposing rear surface, the rear surface being directed towards the middle portion of said housing. According to a preferred embodiment of the invention said front surface comprises a sealing surface surrounding the opening of said tubular middle portion. This sealing surface is beneficial for a leakproof assembly of the housing onto the engine manifold or the downpipe. The sealing surface can simply consist of an region of the front surface having well defined surface characteristics, such as roughness and/or planarity. This region may have an annular form or any other suitable form surrounding the opening of the catalyst housing. The sealing surface is preferably created during the stamping process of the shell, so that no further machining of the housing is required.
- In a preferred embodiment of the invention, the housing further comprises a ring shaped fastening element, said fastening element having an inner opening substantially equal to the outer form of said middle portion of said stamped part. This fastening element is preferably arranged around said tubular middle portion and abuts against said outwardly extending flange for mounting said catalyst housing onto a corresponding flange of an exhaust tubing or an engine manifold. The ring shaped fastening element acts as reinforcing element for providing the required seailng force between the flange and the upstream exhaust system. In fact, since the housing is formed of a tubular sheet metal, the outwardly extending flange does hardly provide the necessary stiffness for securely mounting the catalyst to the upstream exhaust system. The use of a ring shaped fastening element can compensate for the lack of stiffness of the flange. It has to be noted, that the fastening element only has a reinforcing function and does not contribute in the tightness of the connection between the housing and the upstream exhaust system. It follows that the fastening element is not subject to specific surface quality and accordingly can be produced at very low cost. It has to be noted, that the fastening element may have any suitable outer shape which allows to clamp it to the upstream exhaust system.
- The mounting of the housing can be done by clamping means for clamping the fastening element and the flange onto an associated flange of the engine manifold. In a preferred embodiment, the fastening element and the outwardly extending flange comprise matching openings for bolting said fastening element and said outwardly extending flange onto a corresponding flange of an exhaust tubing or an engine manifold.
- In order to align the matching openings of the fastening element and the flange, the facing surfaces of said outwardly extending flange and said fastening element preferably comprise means for positioning said fastening element with respect to said outwardly extending flange. These means for positioning may comprise a groove arranged in one of said facing surfaces of said outwardly extending flange and said fastening element and an associated key arranged in the respective other one of said facing surfaces. Alternatively said means for positioning comprise a bead on said openings of said outwardly extending flange, said bead extending towards said fastening element for engaging into said openings of said fastening element.
- In an other embodiment, said fastening element is fixed to said outwardly extending flange. The fastening element can e.g. be fixed to the outwardly extending flange by spot welding, soldering, and the like. It has to be noted, that the connection of the fastening element and the outwardly extending flange does not need to be of a high quality. In fact, this connection is for positioning purposes only and does not bear any connecting forces between the catalyst housing and the upstream exhaust system.
- It has to be noted, that said tubular middle portion can have a circular or an oval cross section or any other suitable form.
- The present invention will be more apparent from the following description of a not limiting embodiment with reference to the attached drawings, wherein
- Fig.1:
- shows a longitudinal section of a catalytic converter inside a catalyst housing,
- Fig.2:
- shows a front view (flange) of the catalyst housing of Fig. 1.
- Fig. 1 represents a preferred embodiment of a
catalyst housing 10 with integrated catalyst block. The catalyst housing consists of an integral stamped part, which comprises atubular section 12, aflange 14 to seal saidtubular part 12 onto the upstream part of the exhaust system (not shown) and an reducingend cap 16 to serve as attachment for the exhaust tubing. Acatalyst block 18 is arranged inside thetubular section 12, the block being simply inserted from the flange end of thetubular section 12. A supporting mat (not shown) may be provided to allow for expansion while holding the catalyst element firmly in place. Alternatively in case of a metallic catalytic element, the catalytic element may be brazed to the tubular section. - A ring shaped
fastening element 20 is arranged around thetubular section 12 and abuts againstflange 14. This fastening element is used for mounting, e.g. bolting, theflange 14 of the catalyst housing 10 onto an upstream exhaust system, thereby providing the required stiffness of the connection. The flange of the catalyst housing can e.g. be bolted directly on an associated flange of an engine manifold, a downpipe or a turbo. For this purpose, matchingbolting openings fastening element 20 and theflange 14. In order to align thebolting openings fastening element 20 and theflange 14, means may be provided for positioning saidfastening element 20 and theflange 14. Alternatively thefastening element 20 and theflange 14 can be connected by means of spot welding, soldering or the like. - In order to provide a leakproof connection between the catalyst housing and the engine manifold, the front surface of the flange comprises preferably a region having well defined surface characteristics, such as roughness and/or planarity. This region defines a sealing surface for cooperating with a matching surface of the flange of the manifold. The region having specific surface characteristics may have an annular form (see Fig. 2) or any other suitable form surrounding the opening of the catalyst housing.
- While the shown embodiment of the catalyst housing has a circular cross section, it will be apparent for the one skilled in the art, that depending on the shape of the enclosed
catalytic element 18, any other form of housing, e.g. oval, will be possible. It will also be clear, that independent of the form of the housing, the outer end of the reducing end cap will have a form matching the one of the exhaust pipe. It will further be noted, that the outer shape of the flange is not limited to the generally triangular form as show in Fig.2. -
- 10
- catalyst housing
- 12
- tubular section
- 14
- flange
- 16
- reducing end cap
- 18
- catalyst block
- 20
- fastening element
- 22, 24
- bolting openings
Claims (9)
- Catalyst housing, comprising a tubular middle portion, and first and second end portions, characterised in that said middle portion and said first and second end portions are formed by an integral stamped part, wherein the first end portion is stamped so as to form a reducing end cap for fitting said catalyst housing to an exhaust tubing and said second end portion is bend outwardly so as to form an outwardly extending flange.
- Catalyst housing according to claim 1, wherein said outwardly extending flange comprises a front surface and an opposing rear surface, said rear surface being directed towards the middle portion of said housing, characterised in that said front surface comprises a sealing surface surrounding the opening of said tubular middle portion.
- Catalyst housing according to claim 1 or 2, characterised by a ring shaped fastening element, said fastening element having an inner opening substantially equal to the outer form of said middle portion of said stamped part, said fastening element being arranged around said tubular middle portion and abutting against said outwardly extending flange for mounting said catalyst housing onto a corresponding flange of an exhaust tubing or an engine manifold.
- Catalyst housing according to claim 3, wherein said fastening element and said outwardly extending flange comprise matching openings for bolting said fastening element and said outwardly extending flange onto a corresponding flange of an exhaust tubing or an engine manifold.
- Catalyst housing according to claim 3, wherein the facing surfaces of said outwardly extending flange and said fastening element comprise means for positioning said fastening element with respect to said outwardly extending flange.
- Catalyst housing according to claim 5, wherein said means for positioning comprise a groove arranged in one of said facing surfaces of said outwardly extending flange and said fastening element and an associated key arranged in the respective other one of said facing surfaces.
- Catalyst housing according to claim 5, wherein said means for positioning comprise a bead on said openings of said outwardly extending flange, said bead extending towards said fastening element for engaging into said openings of said fastening element.
- Catalyst housing according to claim 3, wherein said fastening element is fixed to said outwardly extending flange.
- Catalyst housing according to any one of the preceding claims, characterised in that said tubular middle portion has a circular or an oval cross section.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU90692A LU90692B1 (en) | 2000-12-11 | 2000-12-11 | Housing for catalytic converter |
LU90692 | 2000-12-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1213453A1 true EP1213453A1 (en) | 2002-06-12 |
Family
ID=19731954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01128406A Withdrawn EP1213453A1 (en) | 2000-12-11 | 2001-12-04 | Housing for catalytic converter |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1213453A1 (en) |
LU (1) | LU90692B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9309798B2 (en) | 2014-03-20 | 2016-04-12 | Harley-Davidson Motor Company Group, LLC | Multi-piece muffler housing |
US10974783B2 (en) | 2018-08-17 | 2021-04-13 | Harley-Davidson Motor Company Group, LLC | Exhaust shield assembly |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3990859A (en) * | 1973-09-05 | 1976-11-09 | Rubery, Owen & Co. Limited | Exhaust systems for internal combustion engines |
US4078898A (en) * | 1974-02-11 | 1978-03-14 | Gould Inc. | Catalyst-coated expanded metal foil substrate for an exhaust gas reactor |
JPS5859310A (en) * | 1981-10-05 | 1983-04-08 | Toyota Motor Corp | Catalytic converter |
JPH10141053A (en) * | 1996-11-15 | 1998-05-26 | Suzuki Motor Corp | Manifold converter |
WO1998025714A1 (en) * | 1996-12-13 | 1998-06-18 | General Motors Corporation | Method for spin forming articles |
EP0870910A2 (en) * | 1997-04-10 | 1998-10-14 | Zeuna-Stärker Gmbh & Co Kg | Exhaust gas purification device |
WO2000039437A1 (en) * | 1998-12-28 | 2000-07-06 | Corning Incorporated | A converter for use in the treatment of gases |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0263893A1 (en) | 1986-10-16 | 1988-04-20 | W.R. Grace & Co. | Housing for catalytic converter elements and catalytic converter |
-
2000
- 2000-12-11 LU LU90692A patent/LU90692B1/en active
-
2001
- 2001-12-04 EP EP01128406A patent/EP1213453A1/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3990859A (en) * | 1973-09-05 | 1976-11-09 | Rubery, Owen & Co. Limited | Exhaust systems for internal combustion engines |
US4078898A (en) * | 1974-02-11 | 1978-03-14 | Gould Inc. | Catalyst-coated expanded metal foil substrate for an exhaust gas reactor |
JPS5859310A (en) * | 1981-10-05 | 1983-04-08 | Toyota Motor Corp | Catalytic converter |
JPH10141053A (en) * | 1996-11-15 | 1998-05-26 | Suzuki Motor Corp | Manifold converter |
WO1998025714A1 (en) * | 1996-12-13 | 1998-06-18 | General Motors Corporation | Method for spin forming articles |
EP0870910A2 (en) * | 1997-04-10 | 1998-10-14 | Zeuna-Stärker Gmbh & Co Kg | Exhaust gas purification device |
WO2000039437A1 (en) * | 1998-12-28 | 2000-07-06 | Corning Incorporated | A converter for use in the treatment of gases |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 007, no. 149 (M - 225) 30 June 1983 (1983-06-30) * |
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 10 31 August 1998 (1998-08-31) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9309798B2 (en) | 2014-03-20 | 2016-04-12 | Harley-Davidson Motor Company Group, LLC | Multi-piece muffler housing |
US10974783B2 (en) | 2018-08-17 | 2021-04-13 | Harley-Davidson Motor Company Group, LLC | Exhaust shield assembly |
Also Published As
Publication number | Publication date |
---|---|
LU90692B1 (en) | 2002-06-12 |
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