JP6622860B1 - 触媒コンバータ - Google Patents
触媒コンバータ Download PDFInfo
- Publication number
- JP6622860B1 JP6622860B1 JP2018117464A JP2018117464A JP6622860B1 JP 6622860 B1 JP6622860 B1 JP 6622860B1 JP 2018117464 A JP2018117464 A JP 2018117464A JP 2018117464 A JP2018117464 A JP 2018117464A JP 6622860 B1 JP6622860 B1 JP 6622860B1
- Authority
- JP
- Japan
- Prior art keywords
- casing
- catalytic converter
- catalyst carrier
- welding
- mounting boss
- 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.)
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- 230000003197 catalytic effect Effects 0.000 title claims abstract description 47
- 238000003466 welding Methods 0.000 claims abstract description 44
- 239000000446 fuel Substances 0.000 claims abstract description 35
- 239000003054 catalyst Substances 0.000 claims abstract description 33
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 10
- 238000010586 diagram Methods 0.000 abstract 1
- 101100495256 Caenorhabditis elegans mat-3 gene Proteins 0.000 description 19
- 239000000969 carrier Substances 0.000 description 13
- 239000007789 gas Substances 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000009924 canning Methods 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001595 contractor effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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
- 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
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
-
- 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
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2835—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support fibrous
-
- 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
-
- 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
-
- 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
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
触媒コンバータ1は、排気系において上下流の配管と接続しており、その接続部は円筒の全周で嵌合若しくは突合せ溶接されている。ここで、触媒コンバータ1の排気流路方向正面視において、前記装着ボスの溶接される位置を0°としたとき、夫々の全周溶接の終始点は345°(−15°)から15°の位置に設けられる。これにより、全周溶接の終始点において、溶接熱影響部を収縮させることで、装着ボス溶接時に生じた膨張部4aの膨張を相殺し、ケーシングの浮き上がりによる面圧の低下を緩和することができる。
1a 排気流路方向
2 ハニカム担体
3 マット
3a 合口部
4 ケーシング
4a,4b 膨張部
5 孔部
6 空燃比センサ装着ボス
7 空燃比センサ
8 溶接終始点
11 上流配管
12 下流配管
Claims (2)
- 筒状のケーシング内に第1の触媒担体と第2の触媒担体が配設され、
前記第1の触媒担体および前記第2の触媒担体と前記ケーシングとの間には、前記第1の触媒担体および前記第2の触媒担体の外周を囲むように保持部材が設けられ、
前記第1の触媒担体と前記第2の触媒担体との間には、前記ケーシングの外側面に溶接される装着ボスを介して空燃比センサが配設される触媒コンバータであって、
前記触媒コンバータの外径の大きさは、前記ケーシングの排気流路方向で略均一に形成され、
前記ケーシングと、前記ケーシングの排気流路方向の上流および下流に夫々配置される配管とは、全周溶接により夫々互いに固着され、
前記ケーシングの排気流路方向正面視での前記ケーシングの外周において、前記装着ボスの溶接される位置を0°とした時、前記全周溶接の夫々の終始点は345°から15°の位置に設けられる、触媒コンバータ。 - 前記保持部材は、その両端が対向する合口部が、前記ケーシングの排気流路方向正面視での前記ケーシングの外周において、前記装着ボスの溶接される位置を0°とした時、15°から105°若しくは255°から345°の位置に設けられる、請求項1に記載の触媒コンバータ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018117464A JP6622860B1 (ja) | 2018-06-20 | 2018-06-20 | 触媒コンバータ |
CN201910500350.7A CN110617131B (zh) | 2018-06-20 | 2019-06-11 | 催化转化器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018117464A JP6622860B1 (ja) | 2018-06-20 | 2018-06-20 | 触媒コンバータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6622860B1 true JP6622860B1 (ja) | 2019-12-18 |
JP2019218914A JP2019218914A (ja) | 2019-12-26 |
Family
ID=68917233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018117464A Active JP6622860B1 (ja) | 2018-06-20 | 2018-06-20 | 触媒コンバータ |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6622860B1 (ja) |
CN (1) | CN110617131B (ja) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57168798A (en) * | 1981-04-09 | 1982-10-18 | Mitsubishi Heavy Ind Ltd | Pipe welding method |
JPS631428A (ja) * | 1986-06-23 | 1988-01-06 | Yutaka Giken:Kk | 触媒コンバ−タの組付け方法 |
JP4176408B2 (ja) * | 2002-07-25 | 2008-11-05 | 株式会社アドヴィックス | 溶接方法及びその溶接方法を使用した筒状構造体とギアポンプ |
JP4047666B2 (ja) * | 2002-08-30 | 2008-02-13 | 株式会社ユタカ技研 | 触媒コンバーター及びその製造方法 |
US7774936B2 (en) * | 2004-08-02 | 2010-08-17 | Emcon Technologies Llc | Catalytic converter and associated method of assembly |
US7452512B2 (en) * | 2005-02-01 | 2008-11-18 | Et Us Holdings Llc | Converter assembly with insulated sensor boss |
JP5139648B2 (ja) * | 2006-05-24 | 2013-02-06 | プレス工業株式会社 | 円筒状部材の溶接部構造 |
JP4745155B2 (ja) * | 2006-07-12 | 2011-08-10 | カルソニックカンセイ株式会社 | センサ取付用ボス部構造 |
US7815869B2 (en) * | 2006-12-07 | 2010-10-19 | Automotive Components Holdings, Llc | Catalytic converter with mid-bed sensor |
JP5446967B2 (ja) * | 2010-02-18 | 2014-03-19 | 株式会社デンソー | 圧縮機およびその製造方法 |
CN104806331A (zh) * | 2015-03-06 | 2015-07-29 | 上海天纳克排气系统有限公司 | 催化转化器的壳体 |
-
2018
- 2018-06-20 JP JP2018117464A patent/JP6622860B1/ja active Active
-
2019
- 2019-06-11 CN CN201910500350.7A patent/CN110617131B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN110617131B (zh) | 2021-09-28 |
JP2019218914A (ja) | 2019-12-26 |
CN110617131A (zh) | 2019-12-27 |
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