KR100461452B1 - Catalyst combination method - Google Patents

Catalyst combination method Download PDF

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Publication number
KR100461452B1
KR100461452B1 KR10-2002-0035580A KR20020035580A KR100461452B1 KR 100461452 B1 KR100461452 B1 KR 100461452B1 KR 20020035580 A KR20020035580 A KR 20020035580A KR 100461452 B1 KR100461452 B1 KR 100461452B1
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South Korea
Prior art keywords
catalyst
guide
supporter
case
present
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KR10-2002-0035580A
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Korean (ko)
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KR20040000676A (en
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백운석
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현대자동차주식회사
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Priority to KR10-2002-0035580A priority Critical patent/KR100461452B1/en
Publication of KR20040000676A publication Critical patent/KR20040000676A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/24Exhaust 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
    • F01N3/28Construction of catalytic reactors
    • F01N3/2803Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust 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
    • F01N3/101Three-way catalysts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2450/00Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/26Methods or apparatus for fitting, inserting or repairing different elements by bayonet fittings

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Exhaust Gas After Treatment (AREA)

Abstract

본 발명은 자동차 배기계의 삼원촉매에 사용되는 촉매결합방법에 관한 것으로서,The present invention relates to a catalyst bonding method used in a three-way catalyst of an automobile exhaust system,

종래의 촉매결합방법은 서포터가 감겨진 촉매를 가이드 내부를 통과시켜 케이스 내에 압입시키는 것이기 때문에 촉매가 가이드를 통과하는 과정에서 과도한 압력이 가해지면서 부분적으로 크랙(Crack)현상이 발생하면서 조각으로 부서지고, 이에의해 촉매의 성능이 떨어지게됨은 물론 전체적인 내구성이 하락하게되는 문제점이 발생하고 있었다.In the conventional catalyst bonding method, the catalyst in which the supporter is wound is pressed into the case by passing through the inside of the guide, so that excessive cracking occurs when the catalyst passes through the guide. As a result, the performance of the catalyst was lowered as well as the overall durability was lowered.

따라서, 상기 문제점을 해결하기 위한 본 발명은 촉매보다 직경이 큰 가이드의 외경에 서포터를 감고, 그 가이드를 케이스 내부에 압입한 후 가이드 내부에 촉매를 삽입하고, 이후 가이드를 촉매로부터 빼내어 서포터의 팽창에 의해 촉매에 밀착지지되도록 하므로서, 촉매 삽입시 촉매에 압력이 가해지지 않게되므로 촉매의 크랙현상이 전혀 발생하지 않고, 이에의해 촉매의 내구성이 향상되도록 한 촉매결합방법에 관한 것이다.Accordingly, the present invention for solving the above problems is wound the supporter on the outer diameter of the guide having a larger diameter than the catalyst, the guide is pressed into the case and the catalyst is inserted into the guide, and then the guide is removed from the catalyst to expand the supporter The present invention relates to a catalyst bonding method in which pressure is not applied to the catalyst when the catalyst is inserted, so that the catalyst is not adhered to the catalyst and thus cracking of the catalyst does not occur at all, thereby improving durability of the catalyst.

Description

촉매결합방법{Catalyst combination method}Catalytic Combination Method

본 발명은 자동차 배기계의 삼원촉매에 사용되는 촉매결합방법에 관한 것으로서, 특히 촉매 삽입시 촉매에 압력이 가해지지 않도록하여 촉매의 크랙현상이 전혀 발생하지 않고, 이에의해 촉매의 내구성이 향상되도록 한 촉매결합방법에 관한 것이다.The present invention relates to a catalyst bonding method used for a three-way catalyst of an automobile exhaust system, and in particular, a catalyst which does not cause any cracking of the catalyst by preventing pressure from being applied to the catalyst, thereby improving durability of the catalyst. It relates to a coupling method.

일반적으로 자동차에는 연료를 연소시켜 동력을 발생시키는 엔진이 장착되고 있으며, 엔진은 연소시 발생되는 배기가스를 배출하고 있다.In general, an automobile is equipped with an engine that generates power by burning fuel, and the engine emits exhaust gas generated during combustion.

상기와같이 엔진에서 배출되는 배기가스의 유해물질을 정화시키기 위한 삼원촉매장치가 배기계에 장착되고 있다.As described above, a three-way catalyst device for purifying harmful substances in the exhaust gas emitted from the engine is installed in the exhaust system.

도 3 은 종래의 촉매결합방법을 도시한 도면으로서,3 is a view showing a conventional catalytic coupling method,

삼원촉매장치는 크게 케이스(1), 촉매(3), 서포터(4)로 구성되고 있다.The three-way catalyst device is largely comprised of the case 1, the catalyst 3, and the supporter 4. As shown in FIG.

촉매(3)를 결합시킬때에는 케이스(1)의 상측으로 그 내부가 테이퍼지게 형성된 가이드(2)를 위치시킨 후 촉매(3)의 외각으로 서포터(4)를 감고, 그 촉매(3)를 도 3 의 (a)와같이 가이드(2) 내부에 위치시킨다.When the catalyst 3 is bonded, the guide 2 having a tapered inside thereof is positioned above the case 1, and then the supporter 4 is wound around the outside of the catalyst 3, and the catalyst 3 is shown. Position it inside the guide (2) as shown in 3 (a).

이상태에서 촉매(3)의 상측으로부터 압입기(5)를 하강시켜 도 3 의 (b)~(d)와같이 서포터(4)가 감겨진 상태의 촉매(3)를 케이스(1) 내부로 압입시키는 것이다.In this state, the indenter 5 is lowered from the upper side of the catalyst 3 and the catalyst 3 in the state in which the supporter 4 is wound as shown in FIGS. 3B to 3D is press-fitted into the case 1. It is to let.

그러나, 종래의 촉매결합방법은 서포터가 감겨진 촉매를 가이드 내부를 통과시켜 케이스 내에 압입시키는 것이기 때문에 촉매가 가이드를 통과하는 과정에서 과도한 압력이 가해지면서 부분적으로 크랙(Crack)현상이 발생하면서 조각으로 부서지고, 이에의해 촉매의 성능이 떨어지게됨은 물론 전체적인 내구성이 하락하게되는 문제점이 발생하고 있었다.However, in the conventional catalyst bonding method, the catalyst in which the supporter is wound is pressed into the case by passing through the inside of the guide, so that excessive cracking occurs when the catalyst passes through the guide. It was broken, thereby deteriorating the performance of the catalyst as well as the problem that the overall durability was deteriorated.

즉, 서포터가 감겨진 상태의 촉매를 케이스 내부에 압입하기위해 가이드의 내부를 그 상측이 넓고 하측이 좁은, 즉, 케이스의 직경보다 작아지도록 형성하고 있기 때문에 압입되는 과정에서 촉매가 상기 가이드의 하측을 통과하는 과정에서 부분적으로 과도한 압력이 가해지면서 크랙현상이 발생하게되는 것이다.That is, in order to press the catalyst in the state in which the supporter is wound into the case, the inside of the guide is formed such that the upper side is wider and the lower side is narrower, that is, smaller than the diameter of the case. Part of excessive pressure is applied in the process of cracking occurs.

따라서, 상기 문제점을 해결하기 위한 본 발명은 촉매보다 직경이 큰 가이드의 외경에 서포터를 감고, 그 가이드를 케이스 내부에 압입한 후 가이드 내부에 촉매를 삽입하고, 이후 가이드를 촉매로부터 빼내어 서포터의 팽창에 의해 촉매에 밀착지지되도록 하므로서, 촉매 삽입시 촉매에 압력이 가해지지 않게되므로 촉매의 크랙현상이 전혀 발생하지 않고, 이에의해 촉매의 내구성이 향상되도록 한 촉매결합방법을 제공함을 목적으로 한다.Accordingly, the present invention for solving the above problems is wound the supporter on the outer diameter of the guide having a larger diameter than the catalyst, the guide is pressed into the case and the catalyst is inserted into the guide, and then the guide is removed from the catalyst to expand the supporter It is an object of the present invention to provide a catalyst bonding method in which pressure is not applied to the catalyst when the catalyst is inserted so that the catalyst is not adhered to the catalyst and thus the catalyst is not cracked at all, thereby improving durability of the catalyst.

도 1 의 (a)~(f)는 본 발명의 촉매결합방법을 보인 도면.Figure 1 (a) ~ (f) is a view showing a catalyst bonding method of the present invention.

도 2 는 본 발명의 촉매결합과정을 보인 블럭도.Figure 2 is a block diagram showing a catalytic bonding process of the present invention.

도 3 의 (a)~(d)는 종래의 촉매결합방법을 설명하기 위한 도면.Figure 3 (a) to (d) is a view for explaining a conventional catalyst bonding method.

※ 도면의 주요부분에 대한 부호의 설명※ Explanation of code for main part of drawing

10 : 촉매 11 : 서포터10 catalyst 11 supporter

12 : 가이드 13 : 케이스12: guide 13: case

이하, 첨부된 도면 도 1 과 도 2 를 참조하여 상기 목적달성을 위한 본 발명의 바람직한 실시예를 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings Figures 1 and 2 will be described a preferred embodiment of the present invention for achieving the above object.

상기 목적달성을 위한 본 발명은,The present invention for achieving the above object,

촉매(10)의 직경을 측정하고, 그 촉매(10)에 맞는 가이드(12)를 설정하는 제 1 과정과;A first step of measuring the diameter of the catalyst 10 and setting the guide 12 suitable for the catalyst 10;

상기 가이드(12)의 외각에 촉매지지를 위한 서포터(11)를 감는 제 2 과정과;A second process of winding the supporter (11) for supporting the catalyst on the outer surface of the guide (12);

서포터(11)가 감겨진 가이드(12)를 삼원촉매 케이스(13)의 내측에 강한 압력으로 삽입하는 제 3 과정과;A third step of inserting the guide 12 wound around the supporter 11 at a high pressure inside the three-way catalyst case 13;

가이드(2) 내측으로 촉매를 밀어 넣는 제 4 과정과;A fourth step of pushing the catalyst into the guide 2;

제 4 과정이후 가이드(2)를 제거하여 서포터(11)가 팽창하면서 촉매(10)를 지지하도록 하는 제 5 과정; 으로 진행되는 것을 특징으로한다.A fifth process of removing the guide 2 after the fourth process so that the supporter 11 expands to support the catalyst 10; Characterized in that proceeds.

상기 가이드(12)의 설정은 촉매의 직경보다 약 0.2~0.3mm 큰 것으로 설정하는 것을 특징으로 한다.The setting of the guide 12 is characterized in that it is set to about 0.2 ~ 0.3mm larger than the diameter of the catalyst.

이와같이 구성된 본 발명의 결합과정을 설명하면 다음과 같다.Referring to the combination process of the present invention configured as described above is as follows.

먼저, 결합하고자 하는 촉매(10)의 직경을 측정하고, 그 촉매(10)에 적합한 크기의 가이드(12)를 설정한다.First, the diameter of the catalyst 10 to be bonded is measured, and a guide 12 having a size suitable for the catalyst 10 is set.

가이드(12)를 설정할때에는 측정된 촉매(10)의 직경보다 약 0.2~0.3mm 정도 큰 가이드(12)를 설정하는 것이 바람직하다.When setting the guide 12, it is preferable to set the guide 12 that is about 0.2 to 0.3 mm larger than the measured diameter of the catalyst 10.

이와같이 촉매(10)의 직경보다 가이드(12)의 직경이 큰 것으로 설정하는 이유는 촉매(10)를 가이드(12) 내부로 삽입할때 촉매(10)에 강한 압력이 가해지지 않도록 하여 촉매(10)의 파손을 방지하기 위함이다.The reason for setting the diameter of the guide 12 to be larger than the diameter of the catalyst 10 in this way is to prevent the strong pressure from being applied to the catalyst 10 when the catalyst 10 is inserted into the guide 12. ) To prevent damage.

그리고, 가이드(12)는 여러가지 크기를 가지는 촉매(10)에 대비하여 그에 상응하는 크기를 가지는 다수의 가이드(12)를 미리 준비해둔다.In addition, the guide 12 prepares a plurality of guides 12 having sizes corresponding to the catalysts 10 having various sizes in advance.

상기 설명과같이 결합하고자 하는 촉매(10)에 대응하는 가이드(12)가 준비되면, 이 가이드(12)의 외주연에 도 1 의 (a)와 같이 촉매(10) 지지를 위한 서포터(11)를 일정횟수 감는다.When the guide 12 corresponding to the catalyst 10 to be bonded as described above is prepared, the supporter 11 for supporting the catalyst 10 as shown in FIG. Wind a certain number of times.

그리고, 서포터(11)가 감겨진 가이드(12)를 케이스(13) 내부에 밀어넣는데, 이때에는 종래와 같은 방법으로 강한 압력으로 가이드(12)를 케이스(13) 내측으로 밀어넣는다.Then, the guide 12 wound around the supporter 11 is pushed into the case 13. In this case, the guide 12 is pushed into the case 13 by a strong pressure in the same manner as in the conventional method.

이때에는 상기 구조물에 촉매(10)가 삽입되지 않은 상태이므로 강한 압력으로 가이드(12)를 밀어넣어도 큰 문제가 발생하지 않게된다.At this time, since the catalyst 10 is not inserted into the structure, even if the guide 12 is pushed at a strong pressure, a big problem does not occur.

도 1 의 (b)는 서포터(11)가 감겨진 가이드(12)가 케이스(13)에 압입된 상태를 나타낸다.FIG. 1B illustrates a state in which the guide 12 in which the supporter 11 is wound is pressed into the case 13.

상기와같이 가이드(12)가 케이스(13) 내부에 압입된 상태에서 도 1 의 (c)와같이 비로서 촉매(10)를 가이드(12) 내측으로 삽입한다.As described above, the catalyst 10 is inserted into the guide 12 as a ratio as shown in FIG. 1C while the guide 12 is pressed into the case 13.

촉매(10)를 가이드(12) 내측으로 삽입할때에는 가이드(12)가 촉매(10)의 직경보다 약간 큰 상태이므로 큰 힘을 들이지 않고서도 쉽게 삽입할 수 있게되며, 이에의해 촉매(10)의 파손을 예방할 수 있게된다.When the catalyst 10 is inserted into the guide 12, the guide 12 is slightly larger than the diameter of the catalyst 10, so that the catalyst 10 can be easily inserted without a large force, thereby allowing the catalyst 10 to be inserted. Breakage can be prevented.

도 1 의 (d)는 가이드(12) 내부에 촉매(10)가 삽입된 상태를 나타낸다.1 (d) shows a state in which the catalyst 10 is inserted into the guide 12.

상기 설명과 같이 가이드(12) 내부에 촉매(10)가 삽입된 후에는 도 1 의 (e)와같이 촉매(10)로부터 가이드(12)를 탈거시킨다.After the catalyst 10 is inserted into the guide 12 as described above, the guide 12 is removed from the catalyst 10 as shown in FIG.

가이드(12)가 빠지면 도 1 의 (f)와같이 가이드(12)가 빠져나간 공간으로 서포터(11)가 팽창하면서 촉매(10)의 외측에 밀착되어 촉매(10)를 지지하게되는 것이다.When the guide 12 is pulled out, the supporter 11 expands to a space in which the guide 12 escapes, as shown in FIG. 1F, and is in close contact with the outside of the catalyst 10 to support the catalyst 10.

상기 서포터(11)는 초기 압축시 강한 압력으로 반발력이 작용하나 일정시간(약 15초) 경과후에는 정규압력으로 되돌아가는 특성을 가지고 있으므로 상기와같이 가이드(12)를 케이스(13)에 압입할때에는 서포터(11)가 강한 압력을 받게되어 반발력을 갖게되지만 일정시간이 경과한 상태에서 가이드(12)를 빼내게되면 서포터(11)가 정규압력으로 되돌아가면서 팽창하여 촉매(10)에 밀착하게되는 것이다.The supporter 11 has a characteristic of returning to normal pressure after a predetermined time (approximately 15 seconds), but the repulsive force acts at a strong pressure during the initial compression, so as to press the guide 12 into the case 13 as described above. At this time, the supporter 11 is subjected to a strong pressure to have a repulsive force, but when the guide 12 is pulled out after a certain time has elapsed, the supporter 11 is expanded to return to the normal pressure and comes into close contact with the catalyst 10. will be.

상기 설명과같이 동작하는 본 발명에 의하면, 촉매(10)를 케이스(13)에 장착할때 촉매(10)에 과도한 압력이 가해지지 않게됨에 따라 촉매(10)의 파손을 예방할 수 있게되어 촉매(10)의 내구성을 향상시킴은 물론 촉매(10)의 성능에 대한 신뢰도를 향상시키는 효과를 기대할 수 있는 것이다.According to the present invention operating as described above, when the catalyst 10 is mounted on the case 13, excessive pressure is not applied to the catalyst 10, so that the catalyst 10 can be prevented from being damaged. It is to be expected that the effect of improving the durability of the catalyst 10 as well as improving the durability of 10).

이상에서 설명한 바와같이 본 발명은 촉매보다 직경이 큰 가이드의 외경에 서포터를 감고, 그 가이드를 케이스 내부에 압입한 후 가이드 내부에 촉매를 삽입하고, 이후 가이드를 촉매로부터 빼내어 서포터의 팽창에 의해 촉매에 밀착지지되도록 하므로서, 촉매 삽입시 촉매에 압력이 가해지지 않게되므로 촉매의 크랙현상이 전혀 발생하지 않고, 이에의해 촉매의 내구성이 향상되도록 한 촉매결합방법을 제공하는 효과를 기대할 수 있다.As described above, in the present invention, the supporter is wound around the outer diameter of the guide having a larger diameter than the catalyst, the guide is pressed into the case, the catalyst is inserted into the guide, and then the guide is removed from the catalyst to expand the catalyst by the supporter. Since the pressure is not applied to the catalyst when the catalyst is inserted, the catalyst is not cracked at all, and thus, the effect of providing a catalyst bonding method in which the durability of the catalyst is improved can be expected.

Claims (2)

촉매(10)의 직경을 측정하고, 그 촉매(10)에 맞는 가이드(12)를 설정하는 제 1 과정과;A first step of measuring the diameter of the catalyst 10 and setting the guide 12 suitable for the catalyst 10; 상기 가이드(12)의 외각에 촉매지지를 위한 서포터(11)를 감는 제 2 과정과;A second process of winding the supporter (11) for supporting the catalyst on the outer surface of the guide (12); 서포터(11)가 감겨진 가이드(12)를 삼원촉매 케이스(13)의 내측에 강한 압력으로 삽입하는 제 3 과정과;A third step of inserting the guide 12 wound around the supporter 11 at a high pressure inside the three-way catalyst case 13; 가이드(2) 내측으로 촉매를 밀어 넣는 제 4 과정과;A fourth step of pushing the catalyst into the guide 2; 제 4 과정이후 가이드(2)를 제거하여 서포터(11)가 팽창하면서 촉매(10)를 지지하도록 하는 제 5 과정; 으로 진행되는 것을 특징으로 하는 촉매결합방법.A fifth process of removing the guide 2 after the fourth process so that the supporter 11 expands to support the catalyst 10; Catalytic bonding method characterized in that proceeds to. 제 1 항에 있어서,The method of claim 1, 상기 가이드(12)의 설정은 촉매의 직경보다 약 0.2~0.3mm 큰 것으로 설정하는 것을 특징으로 하는 촉매결합방법.And the setting of the guide 12 is set to about 0.2 to 0.3 mm larger than the diameter of the catalyst.
KR10-2002-0035580A 2002-06-25 2002-06-25 Catalyst combination method KR100461452B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5696110A (en) * 1979-12-29 1981-08-04 Honda Motor Co Ltd Assembling method for exhaust gas purifying catalytic converter
JP2001263052A (en) * 2000-03-22 2001-09-26 Calsonic Kansei Corp Method of manufacturing thin wall ceramic manifold converter and thin wall ceramic manifold converter manufactured by the method
JP2001289028A (en) * 2000-04-07 2001-10-19 Ibiden Co Ltd Exhaust emission purifying catalytic converter, diesel particulate filter system, and manufacturing methods for the same
JP2002021546A (en) * 2000-07-04 2002-01-23 Sakamoto Industry Co Ltd Catalytic converter, and manufacturing method therefor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5696110A (en) * 1979-12-29 1981-08-04 Honda Motor Co Ltd Assembling method for exhaust gas purifying catalytic converter
JP2001263052A (en) * 2000-03-22 2001-09-26 Calsonic Kansei Corp Method of manufacturing thin wall ceramic manifold converter and thin wall ceramic manifold converter manufactured by the method
JP2001289028A (en) * 2000-04-07 2001-10-19 Ibiden Co Ltd Exhaust emission purifying catalytic converter, diesel particulate filter system, and manufacturing methods for the same
JP2002021546A (en) * 2000-07-04 2002-01-23 Sakamoto Industry Co Ltd Catalytic converter, and manufacturing method therefor

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