KR20100029900A - Structure for connecting warm up catalytic converter to turbo charger - Google Patents

Structure for connecting warm up catalytic converter to turbo charger Download PDF

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Publication number
KR20100029900A
KR20100029900A KR1020080088595A KR20080088595A KR20100029900A KR 20100029900 A KR20100029900 A KR 20100029900A KR 1020080088595 A KR1020080088595 A KR 1020080088595A KR 20080088595 A KR20080088595 A KR 20080088595A KR 20100029900 A KR20100029900 A KR 20100029900A
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KR
South Korea
Prior art keywords
catalytic converter
warm
turbocharger
coupling
coupling flange
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KR1020080088595A
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Korean (ko)
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KR101028270B1 (en
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장천순
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기아자동차주식회사
현대자동차주식회사
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Priority to KR1020080088595A priority Critical patent/KR101028270B1/en
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    • 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
    • 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
    • F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/24—Methods or apparatus for fitting, inserting or repairing different elements by bolts, screws, rivets or the like
    • 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

Abstract

PURPOSE: A connection structure for a warm up catalytic converter to a turbocharger is provided to effectively prevent the leakage of exhaust gas because an overlap part is formed on coupling flanges of the converter and the turbocharger. CONSTITUTION: In a connection structure for a warm up catalytic converter to a turbocharger, a coupling groove(1e) is formed on the top of a coupling flange(1a) of the warm up catalytic converter and a projection(1d) is formed on the bottom of the coupling flange. A coupling flange(2a) of the turbocharger is fastened to the coupling flange of the warm up catalytic converter. A projection(2c) is formed on the top of a coupling flange of the turbocharger and inserted into the coupling groove, and a coupling groove(2b) is formed on the bottom of the turbocharger. A gasket(4) is interposed between the coupling groove of the warm up catalytic converter and the projection of the turbocharger. The projection of the warm up catalytic converter and the projection of the turbocharger are overlapped in part.

Description

웜 업 촉매컨버터와 터보차저 연결구조{Structure for connecting warm up catalytic converter to turbo charger}Warm up catalytic converter to turbo charger {Structure for connecting warm up catalytic converter to turbo charger}

본 발명은 웜 업 촉매컨버터와 터보차저의 연결구조에 관한 것으로, 특히 웜 업 촉매컨버터의 결합 플랜지면에 내측으로 파여진 결합홈이 형성됨과 더불어 터보차저의 결합 플랜지면에는 결합홈에 삽입되어 결합되는 돌출턱을 형성하여 터보차저와 웜 업 촉매컨버터 사이의 기밀성을 향상시키도록 한 웜 업 촉매컨버터와 터보차저의 연결구조에 관한 것이다.The present invention relates to a connection structure between a warm-up catalytic converter and a turbocharger. In particular, a coupling groove is formed in the coupling flange surface of the warm-up catalytic converter and is inserted into the coupling groove on the coupling flange surface of the turbocharger. The present invention relates to a connection structure of a warm-up catalytic converter and a turbocharger to improve airtightness between the turbocharger and the warm-up catalytic converter by forming a protruding jaw.

종래 차량의 배기가스에 포함된 유해가스를 정화시키기 위해 후처리장치로서 촉매컨버터가 널리 사용되고 있다. BACKGROUND ART A catalytic converter is widely used as a post-treatment device to purify harmful gas contained in exhaust gas of a vehicle.

이러한 촉매컨버터는 언더 플로어 촉매컨버터(UCC; Under-floor Catalytic Converter)외에 엔진의 배기매니폴드에 바로 장착되는 웜 업 촉매컨버터 등이 있다.Such catalytic converters include a warm-up catalytic converter, which is mounted directly to an exhaust manifold of an engine, in addition to an under-floor catalytic converter (UCC).

상기 웜 업 촉매컨버터는 배기매니폴드의 입구부에 연결된 터보차저의 출구부에 통상적으로 직결되어, 상기 터보차저의 출구부를 통해 빠져나오는 배기가스가 바로 웜 업 촉매컨버터로 유입되게 된다.The warm-up catalytic converter is typically directly connected to the outlet of the turbocharger connected to the inlet of the exhaust manifold, so that the exhaust gas exiting through the outlet of the turbocharger flows directly into the warm-up catalytic converter.

상기와 같이 웜 엄 촉매컨버터가 터보차저에 직결됨에 따라 이들 사이의 직결부에 배기가스의 누출을 방지하도록 개스킷이 적용된다.As described above, as the worm Um catalytic converter is directly connected to the turbocharger, a gasket is applied to prevent direct leakage of exhaust gas between the direct connection therebetween.

즉 웜 업 촉매컨버터의 선단면에는 확장된 형태의 결합 플랜지가 형성되고, 상기 터보차저의 후단면에는 상기 결합 플랜지에 대응하는 결합 플랜지가 확장된 형태로 형성되어, 상기 결합 플랜지들이 서로 체결볼트로 체결되어 웜 업 촉매컨버터가 터보차저에 직결된다.That is, an extended coupling flange is formed on the front end face of the warm-up catalytic converter, and a coupling flange corresponding to the coupling flange is extended on the rear end surface of the turbocharger, and the coupling flanges are fastened to each other. The worm-up catalytic converter is connected directly to the turbocharger.

그리고 상기 결합 플랜지들 사이에는 상기 개스킷이 개재되어 결합 플랜지들 사이로 배기가스의 누출을 방지하게 된다.The gasket is interposed between the coupling flanges to prevent the leakage of exhaust gas between the coupling flanges.

그런데 상기와 결합 플랜지들 사이에 개스킷이 개재되어 체결된 상태에서 엔진의 진동이나 충격이 배기매니폴드를 통해 터보차저와 웜 업 촉매컨버터에 가해지면 결합 플랜지들을 체결하고 있는 체결볼트가 풀리면서 그 조임력이 약화되어 결합 플랜지들 사이로 배기가스가 누출되고, 이렇게 누출된 배기가스는 상기 개스킷을 소손하게 되어, 개스킷이 본래의 기능을 다하지 못할 뿐만 아니라 각 결합 플랜지들도 변형되는 결점이 있었다.However, when the vibration or shock of the engine is applied to the turbocharger and the warm-up catalytic converter through the exhaust manifold while the gasket is interposed between the coupling flanges and the coupling flanges, the fastening bolts that fasten the coupling flanges are released, This weakened and exhaust gas leaks between the joining flanges, and the leaked exhaust gas burns the gasket, so that the gasket does not perform its original function but also the respective joining flanges are deformed.

이에 본 발명은 상기한 사정을 감안하여 안출된 것으로, 웜 업 촉매컨버터의 결합 플랜지와 터보차저의 결합 플랜지에 중첩구간을 형성하여 배기가스의 누출을 효과적으로 방지함과 더불어 개스킷이 배기가스의 고온에 직접 노출되지 않게 해서 개스킷의 내구성을 향상시키도록 한 웜 업 촉매컨버터와 터보차저의 연결구조를 제 공함에 그 목적이 있다.Accordingly, the present invention has been made in view of the above-described circumstances, and overlapping sections are formed on the coupling flange of the warm-up catalytic converter and the coupling flange of the turbocharger to effectively prevent the leakage of exhaust gas and to prevent the gasket from being exposed to the high temperature of the exhaust gas. Its purpose is to provide a connection structure between a warm-up catalytic converter and a turbocharger that prevents direct exposure to improve the durability of the gasket.

상기와 같은 목적을 달성하기 위한 본 발명은, 웜 업 촉매컨버터의 결합 플랜지의 상부에는 내측으로 파여진 형태의 결합홈과 하부에는 축방향으로 돌출한 돌출턱이 각각 형성되고, 상기 결합 플랜지에 체결되는 터보차저의 결합 플랜지의 상부에는 상기 결합홈에 삽입되도록 축방향으로 돌출한 돌출턱이 형성됨과 더불어 하부에는 상기 웜 업 촉매컨버터의 돌출턱이 삽입되어 결합되도록 내측으로 파여진 형태의 결합홈이 형성되며, 상기 웜 업 촉매컨버터의 결합홈과 터보차저의 돌출턱 사이에는 개스킷이 개재된다.In order to achieve the above object, the present invention provides a coupling groove of the inner side of the coupling flange of the warm-up catalytic converter and a protrusion projection protruding in the axial direction, respectively, and fastening to the coupling flange. The upper part of the coupling flange of the turbocharger is formed with a protruding jaw protruding in the axial direction so as to be inserted into the engaging groove, and the lower part of the engaging groove of the inner shape so that the protruding jaw of the warm-up catalytic converter is inserted into and coupled to the lower part of the turbocharger. The gasket is interposed between the coupling groove of the warm-up catalytic converter and the protrusion jaw of the turbocharger.

바람직하기로는 상기 웜 업 촉매컨버터의 돌출턱과 상기 터보차저의 돌출턱은 일부가 중첩되게 배치되는 것을 특징으로 한다.Preferably, the protrusion jaw of the warm-up catalytic converter and the protrusion jaw of the turbocharger are partially overlapped.

상기 웜 업 촉매컨버터의 돌출턱과 대향하는 터보차저의 결합홈의 대향면 사이에는 소정 크기의 갭이 형성되는 것을 특징으로 한다.A gap of a predetermined size is formed between the protruding jaw of the warm-up catalytic converter and the opposing surface of the coupling groove of the turbocharger.

본 발명에 따른 웜 업 촉매컨버터와 터보차저의 연결구조에 의하면, 웜 업 촉매컨버터의 결합 플랜지의 상부에는 내측으로 파여진 형태의 결합홈이 형성됨과 더불어 상기 결합홈에 의해 하부에는 돌출턱이 일체로 형성되고, 터보차저의 결합 플랜지의 하부에는 내측으로 파여진 형태의 결합홈이 형성되어 상기 웜 업 촉매컨버터의 돌출턱이 삽입되고, 상기 터보차저의 결합 플랜지의 상부에는 하부의 결합홈에 의해 돌출턱이 일체로 형성되어서 상기 웜 업 촉매컨버터의 결합홈에 삽입되 어 개스킷을 개재해서 연결됨에 따라 웜 업 촉매컨버터의 결합 플랜지와 터보차저의 결합 플랜지 사이에는 축방향으로 중첩부위가 형성되어 배기가스의 누출을 효과적으로 방지할 수 있고, 개스킷으로의 배기가스 누출이 적절히 방지되어 개스킷이 고온의 배기가스에 노출되지 않음으로써 개스킷의 내구성을 향상시킬 수 있는 등의 효과가 있다.According to the connection structure of the warm-up catalytic converter and the turbocharger according to the present invention, the upper portion of the coupling flange of the warm-up catalytic converter is formed in the inner side of the coupling groove is formed in the form of grooves in the lower portion by the coupling groove is integrally formed It is formed in the coupling groove of the turbocharger is formed in the bottom of the coupling flange of the turbocharger is formed in the projection jaw of the warm-up catalytic converter is inserted, the upper coupling flange of the turbocharger by the coupling groove of the lower As the protrusion jaw is integrally formed and inserted into the coupling groove of the warm-up catalytic converter and connected through a gasket, an overlapping portion is formed in the axial direction between the coupling flange of the warm-up catalytic converter and the coupling flange of the turbocharger. The leakage of gas can be effectively prevented, and the leakage of gas into the gasket is prevented properly, so that the gasket can There is an effect such that the durability of the gasket can be improved by not being exposed to.

이하 본 발명을 첨부된 예시도면에 의거 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 1에는 본 발명에 따라 웜 업 촉매컨버터가 터보차저에 연결된 상태의 측면도가 도시되어 있는 바, 즉 웜 업 촉매컨버터(1)의 구부러진 상부의 선단면에는 결합 플랜지(1a)가 일체로 확장되어 형성되고, 터보차저(2)의 후방 배기가스 출구부에는 상기 결합 플랜지(1a)에 대응하는 결합 플랜지(2a)가 확장된 형태로 일체로 형성되어, 상기 2개의 결합 플랜지(1a,2a)가 다수개의 체결볼트(3)로 체결되어 연결된다.1 shows a side view of a state in which a warm-up catalytic converter is connected to a turbocharger according to the present invention, that is, a coupling flange 1a is integrally extended to the front end surface of the bent upper portion of the warm-up catalytic converter 1. And a coupling flange 2a corresponding to the coupling flange 1a is integrally formed in an extended form at the rear exhaust gas outlet of the turbocharger 2 so that the two coupling flanges 1a and 2a are formed. It is fastened and connected by a plurality of fastening bolts (3).

도 2에는 본 발명에 따라 웜 업 촉매컨버터의 결합 플랜지(1a)가 정면도로 자세히 도시되어 있는 바, 상기 결합 플랜지(1a)에는 3개의 볼트체결홀(1b)이 형성되어 상기 체결볼트가 관통해서 삽입되고, 웜 업 촉매컨버터의 배기가스 입구(1c)의 주위로 축방향으로 돌출한 돌출턱(1d)이 일체로 돌출해서 형성되며, 이 돌출턱(1d)보다 후방으로 파여진 형태의 결합홈(1e)이 구비된다.2 shows the coupling flange (1a) of the warm-up catalytic converter in detail in front view according to the present invention, three bolting holes (1b) are formed in the coupling flange (1a) so that the fastening bolt penetrates A coupling groove having a shape inserted into the protrusion jaw 1d protruding in the axial direction around the exhaust gas inlet 1c of the warm-up catalytic converter is integrally formed and dug backward than the protrusion jaw 1d. 1e is provided.

도 3에는 본 발명에 따라 상기 결합 플랜지(1a,2a)들이 서로 연결된 상태의 단면이 자세히 도시되어 있는 바, 상기 터보차저(2)의 결합 플랜지(2a)의 하부에는 내측으로 파여진 형태의 결합홈(2b)이 형성되어, 상기 웜 업 촉매컨버터의 돌출턱(1d)이 삽입되게 되고, 상기 결합홈(2b)에 의해 결합 플랜지(2a)의 상부에는 웜 업 촉매컨버터 쪽을 향해 돌출한 돌출턱(2c)이 형성되어 웜 업 촉매컨버터의 결합홈(1e)이 삽입되게 된다.3 is a cross-sectional view of the coupling flange (1a, 2a) is connected to each other in accordance with the present invention in detail, the lower part of the coupling flange (2a) of the turbocharger (2) in the form of the inner side of the coupling A groove 2b is formed so that the protruding jaw 1d of the warm-up catalytic converter is inserted, and the protrusion protruding toward the warm-up catalytic converter toward the upper portion of the coupling flange 2a by the coupling groove 2b. The jaw 2c is formed so that the coupling groove 1e of the warm-up catalytic converter is inserted.

이때에 상기 돌출턱(2c)의 선단면과 상기 결합홈(1e)의 대향면 사이에는 개스킷(4)이 개재된다.At this time, a gasket 4 is interposed between the front end face of the protruding jaw 2c and the opposing face of the coupling groove 1e.

그리고 상기 웜 업 촉매컨버터의 돌출턱(1d)의 돌출길이는 터보차저의 돌출턱(2c)의 돌출길이보다 길게 형성되어, 상기 개스킷(4)이 결합홈(1e)과 돌출턱(2c)사이에 개재될 때에 2개의 돌출턱(1d,2c)사이에는 도시된 바와 같이 축방향으로 중첩부위(5)가 형성된다.The protruding length of the protruding jaw 1d of the warm-up catalytic converter is formed longer than the protruding length of the protruding jaw 2c of the turbocharger, so that the gasket 4 is disposed between the engaging groove 1e and the protruding jaw 2c. When interposed therebetween, the overlapping portion 5 is formed in the axial direction between the two protruding jaws 1d and 2c.

상기 중첩부위(5)는 배기가스가 개스킷으로 직접 누출되는 것을 효과적으로 방지함과 더불어 개스킷이 고온의 배기가스에 노출되어서 손상되는 것을 예방하여 내구성의 향상과 수명 연장을 도모하게 된다.The overlapping portion 5 effectively prevents the exhaust gas from directly leaking into the gasket, and prevents the gasket from being damaged by being exposed to the high temperature exhaust gas, thereby improving durability and extending the life.

또한 웜 업 촉매컨버터의 돌출턱(1d)의 선단면과 터보차저의 결합홈(2b)의 대향하는 선단면 사이에는 소정 갭(a)이 형성되어, 상기 개스킷의 압축을 가능하게 함과 더불어 결합 플랜지들의 가공오차를 흡수할 수 있게 된다.In addition, a predetermined gap (a) is formed between the distal end surface of the protrusion jaw 1d of the warm-up catalytic converter and the distal end surface of the coupling groove 2b of the turbocharger, thereby enabling the compression of the gasket and the coupling. The machining error of the flanges can be absorbed.

도 1은 본 발명에 따라 웜 업 촉매컨버터가 터보차저에 연결된 상태의 측면도,1 is a side view of a state in which a warm-up catalytic converter is connected to a turbocharger according to the present invention;

도 2는 본 발명에 따른 웜 업 촉매컨버터의 결합 플랜지의 정면도,2 is a front view of a coupling flange of a warm-up catalytic converter according to the present invention;

도 3은 본 발명에 따라 웜 업 촉매컨버터가 터보차저에 연결된 상태의 단면도이다.3 is a cross-sectional view of a state in which a warm-up catalytic converter is connected to a turbocharger according to the present invention.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

1-웜 업 촉매컨버터 2-터보차저1-Warm Up Catalytic Converter 2-Turbocharger

3-체결볼트 4-개스킷3-tightening bolt 4-gasket

5-중첩부위5-overlap

Claims (3)

웜 업 촉매컨버터의 결합 플랜지의 상부에는 내측으로 파여진 형태의 결합홈과 하부에는 축방향으로 돌출한 돌출턱이 각각 형성되고, 상기 결합 플랜지에 체결되는 터보차저의 결합 플랜지의 상부에는 상기 결합홈에 삽입되도록 축방향으로 돌출한 돌출턱이 형성됨과 더불어 하부에는 상기 웜 업 촉매컨버터의 돌출턱이 삽입되어 결합되도록 내측으로 파여진 형태의 결합홈이 형성되며, 상기 웜 업 촉매컨버터의 결합홈과 터보차저의 돌출턱 사이에는 개스킷이 개재된 웜 업 촉매컨버터와 터보차저의 연결구조.An upper portion of the coupling flange of the warm-up catalytic converter is formed with a coupling groove formed inwardly and a protrusion projection protruding in the axial direction, respectively, and an upper coupling coupling groove of the turbocharger fastened to the coupling flange. A protruding jaw protruding in the axial direction is inserted to be inserted into the lower portion, and a lower portion of the protruding jaw of the warm up catalytic converter is inserted into the protruding jaw is inserted into and coupled to the lower portion of the warm up catalytic converter. A connection structure between a turbocharger and a warm-up catalytic converter with a gasket between the protrusions of the turbocharger. 청구항 1에 있어서, 상기 웜 업 촉매컨버터의 돌출턱과 상기 터보차저의 돌출턱은 일부가 중첩되게 배치되는 것을 특징으로 하는 웜 업 촉매컨버터와 터보차저의 연결구조. The connection structure of the warm-up catalytic converter and the turbocharger of claim 1, wherein the protrusion of the warm-up catalytic converter and the protrusion of the turbocharger are partially overlapped with each other. 청구항 2에 있어서, 상기 웜 업 촉매컨버터의 돌출턱과 대향하는 터보차저의 결합홈의 대향면 사이에는 소정 크기의 갭이 형성되는 것을 특징으로 하는 웜 업 촉매컨버터와 터보차저의 연결구조.The connection structure of a warm-up catalytic converter and a turbocharger according to claim 2, wherein a gap having a predetermined size is formed between the protruding jaw of the warm-up catalytic converter and the opposing surface of the coupling groove of the turbocharger.
KR1020080088595A 2008-09-09 2008-09-09 Structure for connecting warm up catalytic converter to turbo charger KR101028270B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9581065B2 (en) 2014-10-28 2017-02-28 Hyundai Motor Company Welding structure of warm-up catalytic converter
US9850800B2 (en) 2015-07-20 2017-12-26 Hyundai Motor Company Exhaust system having gasket

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4125255B2 (en) * 2004-03-11 2008-07-30 トヨタ自動車株式会社 Exhaust gas purification device for internal combustion engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9581065B2 (en) 2014-10-28 2017-02-28 Hyundai Motor Company Welding structure of warm-up catalytic converter
US9850800B2 (en) 2015-07-20 2017-12-26 Hyundai Motor Company Exhaust system having gasket

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