JPS6219232A - 金属ハウジング内に配置されたモノリス排気ガス触媒 - Google Patents

金属ハウジング内に配置されたモノリス排気ガス触媒

Info

Publication number
JPS6219232A
JPS6219232A JP61155240A JP15524086A JPS6219232A JP S6219232 A JPS6219232 A JP S6219232A JP 61155240 A JP61155240 A JP 61155240A JP 15524086 A JP15524086 A JP 15524086A JP S6219232 A JPS6219232 A JP S6219232A
Authority
JP
Japan
Prior art keywords
exhaust gas
housing
catalyst
gas catalyst
metallic housing
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.)
Pending
Application number
JP61155240A
Other languages
English (en)
Inventor
イエルク　アプトホフ
ハンス・デイーター　シユスター
ハンス−ヨアヒム　ランガー
クラウス　ベルント　クバチユカ
ギユンター　エビンガー
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daimler Benz AG
Original Assignee
Daimler Benz AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daimler Benz AG filed Critical Daimler Benz AG
Publication of JPS6219232A publication Critical patent/JPS6219232A/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
    • B01D53/9454—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
    • B01J35/58—Fabrics or filaments
    • 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
    • F01N3/08—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
    • F01N3/2864—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 comprising two or more insulation layers
    • 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
    • F01N2350/00—Arrangements for fitting catalyst support or particle filter element in the housing
    • F01N2350/02—Fitting ceramic monoliths in a metallic housing
    • F01N2350/06—Fitting ceramic monoliths in a metallic housing with means preventing gas flow by-pass or leakage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Toxicology (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 産−・上の１ 本発明は、金属製ハウジング内に配置されそして該ハウ
ジングの内側表面に弾性繊維材料によって弾力的に支持
されたモノリス排気ガス触媒に関する。
良末ユ且遺 現在主に使用されている排気ガス触媒は、ハニカム状構
造を有しそして触媒活性被膜を有するモノリス担体から
成る。排気ガスはハニカムにより形成された溝を流れ、
そこで接触転換される。金属製ハウジングと排気ガス触
−媒の両者は高温に曝されるので、排気ガス触媒をハウ
ジング内に固定するのは簡単でない、異なる熱膨張率を
補うために、触媒ブロックとハウジングとの間に通常弾
性Ｆａ雄材料の層が配置されており、該繊維材料は熱膨
張率の差を補いそして同時に触媒ブロックを衝撃の影響
から保護する（例えば、ドイツ国公告公報明細書第２．
９３５，４７０号に記載されている）。
−が　　じようと　る０　へ 排気ガス触媒ブロックと金属製ハンジングとの間の中間
空間の封止材は絶えず改良されたにかかわらず、操作時
間が長くなるにつれて排気ガスは触媒を通り越して弾性
繊維材料層内を通って流れるので、ビヒクルの排気ガス
中の未転換化合物量が増加する。
従って１本発明の目的は、触媒の上流にある排気ガス流
からの未処理排気ガスが触媒の下流にある排気ガスに流
入するのをできるだけ防止することにある。
問　占　　・　　るための−： と記の目的は、金属製ハウジング内に配置されそして該
ハウジングの内側表面に弾性繊維材料により弾力的に支
持されたモノリス排気ガス触媒において、該繊維材料に
触媒活性被膜を設けることにより達成される。
一般的に使用される弾性繊維材料は、コイル状構造の織
った金網、編んだ金網、又は細い針金又は金属フェルト
から成る網状金属構造から製造された成形体である。更
に断熱性を良くするために、弾性繊維材料にアスベスト
のような無機質繊維材料を混合するか、或いは弾性繊維
材料内に該無機質ｍ維材料を貫通させることができる（
ドイツ公告公報明細書第２，９３５，４７０又は同第２
．９２０．８０４号）。
Ｈ＆維材料には触媒活性被膜が設けられており、ｍ維材
料に流入する排気ガスはその上で転換される。触媒活性
被膜は一般的な慣用法により繊維材料上に適用できる。
使用される触媒活性物質は触媒元素にも用いられる物質
であり、例えば白金族の貴金属である。
弾性１ｌＪｌｌｒａ材料を通過する排気ガスの流速は非
常に荏いので、ハウジングに近い箇所の低温においてさ
えも、排気ガスは非常に良く化学的に転換される。
実−一施一一例 添付図面は二つの排気ガス触媒ブロックを含む触媒ハウ
ジングを示す、二つのモノリス触媒ブロック（１）およ
び（２）は慣用の態様でハウジング（５）内に固定され
、熱膨張を補償する弾性スチールウール層（３）および
（４）が挿入されている。スチールウール層（３）およ
び（４）には、スチールウール層に１〜２％濃度の塩化
白金溶液を含浸させそして燃焼することにより生成した
触媒活性白金被膜が設けられている。排気ガスが触媒ブ
ロックに供給され、そしてそれぞれ排気管（１１）およ
び（１２）を経て該ブロックから除去される。ハウジン
グ（５）には更に、外側が金属外殻（７）で覆われた断
熱材（８）が設けられている。必要に応じて外殻（ｌＯ
）を更に用いることができる。二つの触媒ブロック（１
）および（２）の間で該ハウジングは領域（８）に終で
ある角度で曲がっており、そして転向板（８）が設けら
れている。該転向板はハウジングに、山形基材（１３）
によって連結されている。触媒液Ｈりにより、触媒ブロ
ック（１）および（２）の外側を通りそして弾性スチー
ルウール層を通過する排気ガスもまた転換される。
え１立旦］ このタイプの触媒の開発に今までたどった方向は、弾性
繊維材料を一層有効に密閉してガスが通過するのを防止
することであった。しかしながら、多量の熱に曝されそ
して大きな温度の変動があるため、この密閉は常に不適
当でありそして耐久性がなかった０本発明においては、
不可避的に弾性繊維材料を通過する排気ガスを触媒作用
により転換するという点で、この開発方向から離脱した
。従って、比較的長い操作時間後でさえも、一定の排気
ガス特性を期待できる。
【図面の簡単な説明】
添付図面は、本発明による触媒ハウジングの一具体例の
断面図である。 １．２・・・・・・モノリス触媒ブロック、３．４・・
・・・・弾性ｍｌａ材料層、５・・・・・・ハウジング

Claims (1)

    【特許請求の範囲】
  1. （１）金属製ハウジング内に配置されそして該ハウジン
    グの内側表面に弾性繊維材料により弾力的に支持された
    モノリス排気ガス触媒において、該繊維材料に触媒活性
    の被膜を設けたことを特徴とする上記のモノリス排気ガ
    ス触媒。
JP61155240A 1985-07-11 1986-07-03 金属ハウジング内に配置されたモノリス排気ガス触媒 Pending JPS6219232A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3524775A DE3524775C1 (de) 1985-07-11 1985-07-11 In einem metallenen Gehaeuse angeordneter monolithischer Abgaskatalysator
DE3524775.4 1985-07-11

Publications (1)

Publication Number Publication Date
JPS6219232A true JPS6219232A (ja) 1987-01-28

Family

ID=6275505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61155240A Pending JPS6219232A (ja) 1985-07-11 1986-07-03 金属ハウジング内に配置されたモノリス排気ガス触媒

Country Status (6)

Country Link
US (1) US4775518A (ja)
JP (1) JPS6219232A (ja)
DE (1) DE3524775C1 (ja)
FR (1) FR2584623B1 (ja)
GB (1) GB2177617B (ja)
IT (1) IT1195084B (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01115829U (ja) * 1988-01-29 1989-08-04
JPH063445U (ja) * 1992-06-12 1994-01-18 日本ラインツ株式会社 触媒コンバータ
JP2007002819A (ja) * 2005-06-27 2007-01-11 Kawasaki Heavy Ind Ltd 排気装置とこれを備えた自動二輪車
JP2008151080A (ja) * 2006-12-20 2008-07-03 Suzuki Motor Corp 排気ガス浄化装置
WO2015053251A1 (ja) * 2013-10-11 2015-04-16 イビデン株式会社 排ガス浄化装置、断熱材及び断熱材の製造方法
JP2016089855A (ja) * 2014-10-29 2016-05-23 イビデン株式会社 断熱材、断熱構造体、排ガス浄化装置およびその製造方法

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DE3700070A1 (de) * 1987-01-02 1988-07-14 Eberspaecher J Vorrichtung fuer die katalytische reinigung von fahrzeugmotor-abgasen
DE3736500A1 (de) * 1987-10-28 1989-05-11 Kst Motorenversuch Gmbh Co Katalysatoranlage fuer ottomotoren, insbesondere bootsmotoren, sowie verfahren zur katalytischen abgasreinigung
DE3834403A1 (de) * 1988-10-10 1990-04-12 Zeuna Staerker Kg Vorrichtung zur katalytischen reinigung von abgasen aus verbrennungsmotoren
DE8812762U1 (de) * 1988-10-11 1989-06-29 Emitec Gesellschaft für Emissionstechnologie mbH, 5204 Lohmar Katalysator mit Doppelmantelsystem
DE4104637A1 (de) * 1990-02-16 1991-08-29 Bischoff Erhardt Gmbh Co Kg Katalysator fuer kraftfahrzeuge
US5525309A (en) * 1991-01-31 1996-06-11 Emitec Gesellschaft Fuer Emissionstechnologie Mbh Honeycomb body with a plurality of disks braced against one another
US5293743A (en) * 1992-05-21 1994-03-15 Arvin Industries, Inc. Low thermal capacitance exhaust processor
US5916530A (en) * 1994-08-29 1999-06-29 Emitec Gesellschaft Fuer Emissionstechnologie Mbh Catalytic reactor
US5829132A (en) * 1996-08-07 1998-11-03 Arvin Industries, Inc. Methods of assembling an exhaust processor
US5787584A (en) * 1996-08-08 1998-08-04 General Motors Corporation Catalytic converter
US6405437B1 (en) 1997-09-17 2002-06-18 Arvinmeritor, Inc. Apparatus and method for encasing an object in a case
DE59914322D1 (de) 1998-10-05 2007-06-14 Scambia Ind Dev Ag Abgasleitelement und Verfahren zur Herstellung eines Abgasleitelements
US6713025B1 (en) * 1999-09-15 2004-03-30 Daimlerchrysler Corporation Light-off and close coupled catalyst
DE10046610C1 (de) * 2000-09-20 2002-04-25 Emitec Emissionstechnologie Fest-Los-Lagerung eines Katalysator-Trägerkörpers
JP3738828B2 (ja) * 2001-01-19 2006-01-25 トヨタ自動車株式会社 二重管構造中空部材、その製造方法、および二重管構造中空部材を使用した流体処理システム
US7182924B2 (en) * 2001-03-13 2007-02-27 Corning Incorporated Substrate packing for monolith reactors
JP4278998B2 (ja) * 2002-02-18 2009-06-17 アイシン高丘株式会社 コンバータケースの製造方法
DE102005053731A1 (de) * 2005-11-10 2007-05-24 Linde Ag Vorrichtung zur Hochdruckgaserhitzung
US8911674B2 (en) * 2010-09-10 2014-12-16 Toyota Jidosha Kabushiki Kaisha Electrically heated catalyst
WO2012111107A1 (ja) * 2011-02-16 2012-08-23 トヨタ自動車株式会社 電気加熱式触媒
US9909484B2 (en) 2013-04-11 2018-03-06 Perkins Engines Company Limited Heat shield and emissions cleaning module
US9551266B2 (en) * 2014-05-15 2017-01-24 GM Global Technology Operations LLC External exhaust guiding flow chambers for multiple catalyst architecture
WO2020234618A1 (ja) * 2019-05-22 2020-11-26 日産自動車株式会社 触媒コンバータ

Citations (2)

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JPH01115829U (ja) * 1988-01-29 1989-08-04
JPH063445U (ja) * 1992-06-12 1994-01-18 日本ラインツ株式会社 触媒コンバータ
JP2007002819A (ja) * 2005-06-27 2007-01-11 Kawasaki Heavy Ind Ltd 排気装置とこれを備えた自動二輪車
JP4568645B2 (ja) * 2005-06-27 2010-10-27 川崎重工業株式会社 排気装置とこれを備えた自動二輪車
JP2008151080A (ja) * 2006-12-20 2008-07-03 Suzuki Motor Corp 排気ガス浄化装置
WO2015053251A1 (ja) * 2013-10-11 2015-04-16 イビデン株式会社 排ガス浄化装置、断熱材及び断熱材の製造方法
JP2015075084A (ja) * 2013-10-11 2015-04-20 イビデン株式会社 排ガス浄化装置、断熱材及び断熱材の製造方法
JP2016089855A (ja) * 2014-10-29 2016-05-23 イビデン株式会社 断熱材、断熱構造体、排ガス浄化装置およびその製造方法

Also Published As

Publication number Publication date
FR2584623A1 (fr) 1987-01-16
US4775518A (en) 1988-10-04
IT8648239A0 (it) 1986-07-07
GB8616787D0 (en) 1986-08-20
DE3524775C1 (de) 1986-09-04
GB2177617A (en) 1987-01-28
IT1195084B (it) 1988-10-12
FR2584623B1 (fr) 1993-10-15
GB2177617B (en) 1988-10-19

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