JPS62284915A - Metallic catalyst converter - Google Patents
Metallic catalyst converterInfo
- Publication number
- JPS62284915A JPS62284915A JP12647786A JP12647786A JPS62284915A JP S62284915 A JPS62284915 A JP S62284915A JP 12647786 A JP12647786 A JP 12647786A JP 12647786 A JP12647786 A JP 12647786A JP S62284915 A JPS62284915 A JP S62284915A
- Authority
- JP
- Japan
- Prior art keywords
- outer cylinder
- case
- catalyst
- catalyst case
- beads
- 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
Links
- 239000003863 metallic catalyst Substances 0.000 title abstract 4
- 239000003054 catalyst Substances 0.000 claims abstract description 40
- 239000011324 bead Substances 0.000 claims abstract description 39
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims description 29
- 229910052751 metal Inorganic materials 0.000 claims description 29
- 230000003197 catalytic effect Effects 0.000 claims description 16
- 238000009423 ventilation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 238000000746 purification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
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
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
- F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and 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
- F01N3/08—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
- F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
- F01N3/2867—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing the mats or gaskets being placed at the front or end face of catalyst 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
- F01N13/14—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 thermal insulation
-
- 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
- F01N2470/12—Tubes being corrugated
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
【発明の詳細な説明】
３、発明の詳細な説明
〔産業上の利用分野〕
本発明は、排気ガスの浄化を行なうメタル触媒コンバー
タに関する。Detailed Description of the Invention 3. Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a metal catalytic converter for purifying exhaust gas.
（従来の技術〕
一般に、自動車の排気系では、排気ガスの浄化を行なう
ため、例えば、実開昭４９−１０１）１）号公報、特開
昭５９−１６２３１７号公報に開示されるようなメタル
触媒コンバータが配置されている。(Prior Art) Generally, in an automobile exhaust system, in order to purify exhaust gas, metals such as those disclosed in Japanese Utility Model Application Publication No. 49-101) 1) and Japanese Patent Application Publication No. 59-162317 are used. A catalytic converter is located.
第２図は、この種のメタル触媒コンバータを示すもので
、図において符号１）は、メタル触媒１３を収納する外
筒を示している。、この外筒１）は、外周にビード１５
の形成される触媒ケース１７内に収容されている。外筒
１）と触媒ケースＩ７との間には、金属網製の支持部材
１９が配置されており、また、最下流のビード１５部に
は、保ｆｊＬ緩衝材２１が配置されている。そして、外
筒１）の前後には、この外筒１）の軸方向への移動を阻
止する緩衝材２３．２４が配置されている。FIG. 2 shows this type of metal catalytic converter, and in the figure, reference numeral 1) indicates an outer cylinder in which the metal catalyst 13 is housed. , this outer cylinder 1) has beads 15 on the outer periphery.
The catalyst is housed in a catalyst case 17 formed of. A support member 19 made of metal mesh is arranged between the outer cylinder 1) and the catalyst case I7, and an fjL buffer material 21 is arranged at the most downstream bead 15. Cushioning materials 23 and 24 are arranged before and after the outer cylinder 1) to prevent movement of the outer cylinder 1) in the axial direction.
〔発明が解決しようとする問題点］
しかしながら、このような従来のメタル触媒コンバータ
では、外筒１）の前部に、緩衝材２３が配置されている
ため、第３図に示すように、この緩衝材２３により、メ
タル触媒１３の排気ガス流入側面２７が、図の斜線の部
分において塞がれ、メタル触媒コンバータの浄化性能の
悪化および通気抵抗の増大をもたらすという問題がある
。[Problems to be Solved by the Invention] However, in such a conventional metal catalytic converter, since the buffer material 23 is disposed at the front of the outer cylinder 1), as shown in FIG. The buffer material 23 blocks the exhaust gas inflow side surface 27 of the metal catalyst 13 in the shaded area in the figure, resulting in a problem that the purification performance of the metal catalytic converter deteriorates and the ventilation resistance increases.
本発明は、上記のような問題を解決したもので、浄化性
能の向上および通気抵抗の減少を図ることのできるメタ
ル触媒コンバータを提供することを目的とする。The present invention solves the above problems and aims to provide a metal catalytic converter that can improve purification performance and reduce ventilation resistance.
本発明に係わるメタル触媒コンバータは、メタル触媒を
収納する外筒を、触媒ケース内に収容してなるメタル触
媒コンバータにおいて、前記触媒ケースの外周にケース
側ビードを形成するとともに、前記外筒の前記ケース側
ビードに対応する位置に外筒側ビードを形成し、前記外
筒と触媒ケースとの間に保温緩衝材を配置したものであ
る。A metal catalytic converter according to the present invention is a metal catalytic converter in which an outer cylinder for housing a metal catalyst is housed in a catalyst case, in which a case-side bead is formed on the outer periphery of the catalyst case, and a case-side bead is formed on the outer circumference of the catalyst case. An outer cylinder side bead is formed at a position corresponding to the case side bead, and a heat insulating cushioning material is arranged between the outer cylinder and the catalyst case.
〔発明の作用〕
本発明においては、触媒ケースの外周にケース側ビード
を形成するとともに、外筒のケース側ビードに対応する
位置に外筒側ビードを形成したので、外筒の外筒側ビー
ドが、触媒ケースのケース側ビードに嵌合することとな
り、外筒の軸方向への移動が確実に阻止される。また、
外筒と触媒ケースとの間に保温緩衝材を配置したので、
外筒内のメタル触媒を有効に保温、緩衝することができ
る。[Operation of the invention] In the present invention, a case side bead is formed on the outer periphery of the catalyst case, and an outer cylinder side bead is formed at a position corresponding to the case side bead of the outer cylinder, so that the outer cylinder side bead of the outer cylinder is fitted into the case-side bead of the catalyst case, thereby reliably preventing movement of the outer cylinder in the axial direction. Also,
A heat-insulating cushioning material is placed between the outer cylinder and the catalyst case, so
The metal catalyst inside the outer cylinder can be effectively insulated and buffered.
以下、本発明の詳細を図面に示す一実施例について説明
する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, details of the present invention will be described with reference to an embodiment shown in the drawings.
第１図は、本発明のメタル触媒コンバータの一実施例を
示すもので、図において符号２９は、メタル触媒３１を
収納する外筒を示している。この外筒２９は、触媒ケー
ス３３内に収容されている。FIG. 1 shows an embodiment of the metal catalytic converter of the present invention, and in the figure, reference numeral 29 indicates an outer cylinder in which a metal catalyst 31 is housed. This outer cylinder 29 is housed within the catalyst case 33.
しかして、この実施例では、触媒ケース３３の外周に、
一定間隔を置いて３箇所のケース側ビード３５が形成さ
れている。また、外筒２９のケース側ビード３５に対応
する位置には、外筒側ビード３７が形成されている。外
筒２９と触媒ケース３３との間には、保温緩衝材３９が
配置されている。Therefore, in this embodiment, on the outer periphery of the catalyst case 33,
Three case-side beads 35 are formed at regular intervals. Further, an outer cylinder side bead 37 is formed at a position corresponding to the case side bead 35 of the outer cylinder 29. A heat retaining buffer material 39 is arranged between the outer cylinder 29 and the catalyst case 33.
なお、この実施例では、メタル触媒１３は、その内部に
おいて相互にろう付けされており、また、外周を外筒２
９にろう付けされている。さらに、外筒２９の両端は、
フレア形状に拡大され、保温緩衝材３９のずれが防止さ
れている。In this embodiment, the metal catalysts 13 are internally brazed to each other, and the outer periphery is connected to the outer cylinder 2.
9 is brazed. Furthermore, both ends of the outer cylinder 29 are
It is enlarged into a flared shape to prevent the heat-retaining cushioning material 39 from shifting.
以上のように構成されたメタル触媒コンバータでは、触
媒ケース３３の外周にケース側ビード３５を形成すると
ともに、外筒２９のケース側ビード３５に対応する位置
に外筒側ビード３７を形成したので、外筒２９の外筒側
ビード３７が、触媒ケース３３のケース側と一ド３５に
嵌合することとなり、外筒２９の軸方向への移動が確実
に阻止される。また、外筒２９と触媒ケース３３との間
に保＞Ｗ １）衝材３９を配置したので、外筒２９内の
メタル触媒３１を有効に保温、緩衝することができる。In the metal catalytic converter configured as described above, the case-side bead 35 is formed on the outer periphery of the catalyst case 33, and the outer cylinder-side bead 37 is formed at a position corresponding to the case-side bead 35 of the outer cylinder 29. The outer cylinder side bead 37 of the outer cylinder 29 fits into the case side of the catalyst case 33 and the door 35, and movement of the outer cylinder 29 in the axial direction is reliably prevented. Furthermore, since the insulation material 39 is disposed between the outer cylinder 29 and the catalyst case 33, the metal catalyst 31 inside the outer cylinder 29 can be effectively kept warm and buffered.
しかして、このように構成されたメタル触媒コンバータ
では、従来のように、外筒２９の前部に、緩衝材２３を
配置する必要がなくなるため、メタル触媒３１の排気ガ
ス流入側面２７が塞がれることがなくなり、浄化性能の
向上および通気抵抗の減少を図丸ごとができる。In the metal catalytic converter configured in this way, there is no need to arrange the buffer material 23 at the front of the outer cylinder 29 as in the conventional case, so the exhaust gas inflow side 27 of the metal catalyst 31 is not blocked. This improves purification performance and reduces ventilation resistance.
なお、以上述べた実施例では、一定間隔を置いて複数の
ケース側ビードおよび外筒側ビードを形成した例につい
て述べたが、本考案は、かかる実施例に限定されるもの
ではなく、ケース側ビードおよび外筒側ビードをそれぞ
れ−ずつ形成しても良いことは勿論である。In addition, in the embodiment described above, an example was described in which a plurality of case side beads and outer cylinder side beads were formed at regular intervals, but the present invention is not limited to such an embodiment; Of course, each of the beads and the outer cylinder side beads may be formed separately.
以上述べたように、本発明によれば、触媒ケースの外周
にケース側ビードを形成するとともに、外筒のケース側
ビードに対応する位置に外筒側ビードを形成したので、
メタル触媒の排気ガス流入側面が、塞がれることがなく
なり、浄化性能の向上および通気抵抗の減少を図ること
ができるという利点がある。As described above, according to the present invention, the case-side bead is formed on the outer periphery of the catalyst case, and the outer cylinder-side bead is formed at the position corresponding to the case-side bead of the outer cylinder.
This has the advantage that the exhaust gas inflow side of the metal catalyst is not blocked, thereby improving purification performance and reducing ventilation resistance.
第１図は本発明のメタル触媒コンバータの一実施例を示
す縦断面図、第２図は従来のメタル触媒コンバータを示
す縦断面図、第３図はメタル触媒が塞がれた状態を示す
説明図である。
２９・・・外筒、３１・・・メタル触媒、３３・・・触
媒ケース、３５・・・ケース側ビード、３７・・・外筒
側ビード、３９・・・保温緩衝材。
、： Ｌ、＋、 、／Fig. 1 is a longitudinal sectional view showing an embodiment of the metal catalytic converter of the present invention, Fig. 2 is a longitudinal sectional view showing a conventional metal catalytic converter, and Fig. 3 is an explanation showing a state in which the metal catalyst is blocked. It is a diagram. 29...Outer cylinder, 31...Metal catalyst, 33...Catalyst case, 35...Case side bead, 37...Outer cylinder side bead, 39...Heat insulation cushioning material. , : L, +, , /
Claims (2)
容してなるメタル触媒コンバータにおいて、前記触媒ケ
ースの外周にケース側ビードを形成するとともに、前記
外筒の前記ケース側ビードに対応する位置に外筒側ビー
ドを形成し、前記外筒と触媒ケースとの間に保温緩衝材
を配置したことを特徴とするメタル触媒コンバータ。(1) In a metal catalytic converter in which an outer cylinder housing a metal catalyst is housed in a catalyst case, a case-side bead is formed on the outer periphery of the catalyst case, and a case-side bead is formed on the outer periphery of the catalyst case, and the case-side bead corresponds to the case-side bead of the outer cylinder. 1. A metal catalytic converter, characterized in that an outer cylinder side bead is formed at a position, and a heat insulating cushioning material is disposed between the outer cylinder and the catalyst case.
一定間隔を置いて複数配置されている特許請求の範囲第
１項記載のメタル触媒コンバータ。(2) The metal catalytic converter according to claim 1, wherein a plurality of case-side beads and outer cylinder-side beads are arranged at regular intervals in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61126477A JPH07116933B2 (en) | 1986-05-31 | 1986-05-31 | Metal catalytic converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61126477A JPH07116933B2 (en) | 1986-05-31 | 1986-05-31 | Metal catalytic converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62284915A true JPS62284915A (en) | 1987-12-10 |
| JPH07116933B2 JPH07116933B2 (en) | 1995-12-18 |
Family
ID=14936186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61126477A Expired - Lifetime JPH07116933B2 (en) | 1986-05-31 | 1986-05-31 | Metal catalytic converter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07116933B2 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0240239A (en) * | 1988-07-28 | 1990-02-09 | Ngk Insulators Ltd | Honeycomb structural body and production thereof |
| WO1996019647A1 (en) * | 1994-12-20 | 1996-06-27 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Double-walled housing, especially for catalytic converters in motor vehicles |
| WO2002025076A1 (en) * | 2000-09-20 | 2002-03-28 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Fixed-floating mounting for a catalyst support assembly |
| JP2003513190A (en) * | 1999-10-28 | 2003-04-08 | エミテック ゲゼルシヤフト フユア エミツシオンス テクノロギー ミツト ベシユレンクテル ハフツング | Honeycomb body having a multilayered casing |
| EP1136669A3 (en) * | 2000-03-21 | 2003-11-26 | Kemira Metalkat Oy | Catalyst carrier |
| EP1882830A1 (en) * | 2006-07-20 | 2008-01-30 | Benteler Automotive Corporation | Diesel exhaust filter construction |
| JP2012052475A (en) * | 2010-09-01 | 2012-03-15 | Mirapuro:Kk | Heat-insulating case, circulating gas purification unit and circulating gas inspection sensor |
| JP2019090348A (en) * | 2017-11-13 | 2019-06-13 | 本田技研工業株式会社 | Catalytic converter |
| JP2021025526A (en) * | 2019-08-08 | 2021-02-22 | エーバーシュペッヒャー・エグゾースト・テクノロジー・ゲーエムベーハーＥｂｅｒｓｐａｅｃｈｅｒ Ｅｘｈａｕｓｔ Ｔｅｃｈｎｏｌｏｇｙ ＧｍｂＨ | Exhaust gas treatment assembly unit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50109013U (en) * | 1974-02-18 | 1975-09-06 |
-
1986
- 1986-05-31 JP JP61126477A patent/JPH07116933B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50109013U (en) * | 1974-02-18 | 1975-09-06 |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0240239A (en) * | 1988-07-28 | 1990-02-09 | Ngk Insulators Ltd | Honeycomb structural body and production thereof |
| WO1996019647A1 (en) * | 1994-12-20 | 1996-06-27 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Double-walled housing, especially for catalytic converters in motor vehicles |
| JP2003513190A (en) * | 1999-10-28 | 2003-04-08 | エミテック ゲゼルシヤフト フユア エミツシオンス テクノロギー ミツト ベシユレンクテル ハフツング | Honeycomb body having a multilayered casing |
| EP1136669A3 (en) * | 2000-03-21 | 2003-11-26 | Kemira Metalkat Oy | Catalyst carrier |
| WO2002025076A1 (en) * | 2000-09-20 | 2002-03-28 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Fixed-floating mounting for a catalyst support assembly |
| US7258842B2 (en) | 2000-09-20 | 2007-08-21 | Emitec Gesellschaft Fuer Emissionstechnologie Mbh | Catalyst assembly with a fixed catalyst carrier body |
| EP1882830A1 (en) * | 2006-07-20 | 2008-01-30 | Benteler Automotive Corporation | Diesel exhaust filter construction |
| US7611561B2 (en) | 2006-07-20 | 2009-11-03 | Benteler Automotive Corporation | Diesel exhaust filter construction |
| JP2012052475A (en) * | 2010-09-01 | 2012-03-15 | Mirapuro:Kk | Heat-insulating case, circulating gas purification unit and circulating gas inspection sensor |
| JP2019090348A (en) * | 2017-11-13 | 2019-06-13 | 本田技研工業株式会社 | Catalytic converter |
| JP2021025526A (en) * | 2019-08-08 | 2021-02-22 | エーバーシュペッヒャー・エグゾースト・テクノロジー・ゲーエムベーハーＥｂｅｒｓｐａｅｃｈｅｒ Ｅｘｈａｕｓｔ Ｔｅｃｈｎｏｌｏｇｙ ＧｍｂＨ | Exhaust gas treatment assembly unit |
| US11536179B2 (en) | 2019-08-08 | 2022-12-27 | Purem GmbH | Exhaust gas treatment assembly unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07116933B2 (en) | 1995-12-18 |
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