KR100226984B1 - Exhaust apparatus of automotive engine - Google Patents

Exhaust apparatus of automotive engine Download PDF

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Publication number
KR100226984B1
KR100226984B1 KR1019970034175A KR19970034175A KR100226984B1 KR 100226984 B1 KR100226984 B1 KR 100226984B1 KR 1019970034175 A KR1019970034175 A KR 1019970034175A KR 19970034175 A KR19970034175 A KR 19970034175A KR 100226984 B1 KR100226984 B1 KR 100226984B1
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South Korea
Prior art keywords
exhaust
cylinder head
exhaust passage
cylinder block
engine
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KR1019970034175A
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Korean (ko)
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KR19990011190A (en
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김기장
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정몽규
현대자동차주식회사
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Priority to KR1019970034175A priority Critical patent/KR100226984B1/en
Publication of KR19990011190A publication Critical patent/KR19990011190A/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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • 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
    • F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
    • F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
    • F01N2260/024—Exhaust treating devices having provisions not otherwise provided for for cooling the device using a liquid
    • 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/025—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting O2, e.g. lambda sensors

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

Abstract

엔진에 장착되는 배기관의 일부를 실린더 블럭에 내장하여 단순화시키기 위하여 실린더 헤드의 배기포트로부터 수평으로 연장 형성되는 제1배기통로 측에 산소 감지센서를 설치하고 일단은 개스킷을 개재한 플레이트로 체결 형성되는 실린더 헤드 배기부와,An oxygen sensor is installed on the side of the first exhaust passage extending horizontally from the exhaust port of the cylinder head in order to simplify a part of the exhaust pipe mounted on the engine in the cylinder block, and one end is fastened by a plate through a gasket. Cylinder head exhaust,

상기 실린더 헤드 배기부의 제1배기통로와 연통되게 형성하고 저부에 배기파이프를 이용 머플러가 장착되게 실린더 블럭 보어 일측에 제2배기통로를 형성하고 여기에 배기가스를 정화할 수 있게 촉매부재가 조립 설치되는 실린더 블럭 정화부를 형성하여 이루어지는 차량용 엔진의 배기장치를 제공하는데 있다.A catalyst member is formed so as to be in communication with the first exhaust passage of the cylinder head exhaust portion, and a second exhaust passage is formed at one side of the cylinder block bore so that the muffler is mounted on the bottom by the exhaust pipe. The present invention provides an exhaust device for a vehicle engine formed by forming a cylinder block purification unit.

Description

차량용 엔진의 배기장치Vehicle exhaust system

본 발명은 차량용 엔진의 배기장치에 관한 것으로, 더욱 상세하게는 엔진에 장착되는 배기관의 일부를 실린더 블럭에 내장하여 단순화시킨 차량용 엔진의 배기장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an exhaust device for a vehicle engine, and more particularly, to an exhaust device for a vehicle engine that is simplified by embedding a part of an exhaust pipe mounted on the engine in a cylinder block.

도2는 종래기술에 따른 배기장치를 도시한 도면으로, 부호(2)는 배기장치를 지칭한다.Fig. 2 shows an exhaust device according to the prior art, with reference numeral 2 designating an exhaust device.

상기한 배기장치(2)는 배기 메니폴드(4)와, 배기파이프(6), 촉매 컨버터(8), 머플러(10)등으로 구성되어 이루어지고 있다.The exhaust device 2 is composed of an exhaust manifold 4, an exhaust pipe 6, a catalytic converter 8, a muffler 10, and the like.

상기한 배기장치(2)의 배기 메니폴드(4)는 엔진의 실린더 헤드(12)에 형성된 배기포트(14)측에 설치되고 있으며, 이어서 배기파이프(6)를 볼트로 연결하고 있다.The exhaust manifold 4 of the exhaust device 2 is provided on the exhaust port 14 side formed in the cylinder head 12 of the engine, and then the exhaust pipe 6 is connected by bolts.

상기한 배기 파이프(6)에는 배기가스를 정화하는 촉매 컨버터(8)를 연결하면서 또 하나의 배기 파이프(6)를 설치후 소음을 저감하는 머플러(10)를 장착하여 이루어지고 있다.The exhaust pipe 6 is equipped with a muffler 10 for reducing noise after installing another exhaust pipe 6 while connecting the catalytic converter 8 for purifying exhaust gas.

상기한 배기장치(2)는 엔진의 구동으로 발생한 배기가스가 배기 메니폴드(4)와 배기 파이프(6)를 통해 배출된 후 촉매 컨버터(8)에서 유해가스를 정화하고, 정화된 배기가스의 배출에 따른 소음은 머플러(10)를 통과하면서 저감된다.The exhaust device 2 purifies the noxious gas from the catalytic converter 8 after the exhaust gas generated by driving the engine is discharged through the exhaust manifold 4 and the exhaust pipe 6, and discharges the purified exhaust gas. Noise due to the reduction while passing through the muffler (10).

상기한 종래기술은 엔진의 실린더 헤드에 배기 메니폴드, 배기파이프, 촉매 컨버터 등을 노출시켜 장착하므로서 엔진룸의 공간을 많이 차지함은 물론 다부품이 소요되어 원가상승을 유발하는 원인이 되고 있다.The above-described conventional technology exposes exhaust manifolds, exhaust pipes, catalytic converters, and the like to the cylinder head of the engine, which takes up a lot of space in the engine room and takes up many parts, causing cost increase.

또, 배기장치에 다부품이 장착되기 때문에 엔진룸의 설계 자유도가 떨어지며, 중량상승의 원인과 아울러 소음 유발을 초래하는 문제점이 있다.In addition, since the exhaust device is equipped with multiple parts, the design freedom of the engine room is reduced, and there is a problem of causing a noise increase as well as causing a weight increase.

상기한 바와 같이 이루어지는 종래기술의 문제점을 해소하기 위하여 안출된 본 발명의 목적은 엔진에 장착되는 배기관의 일부를 실린더 블럭에 내장하여 단순화시킨 차량용 엔진의 배기장치를 제공하는데 있다.An object of the present invention devised to solve the problems of the prior art made as described above is to provide a vehicle engine exhaust device which is simplified by embedding a part of an exhaust pipe mounted on an engine in a cylinder block.

이를 실현하기 위한 본 발명은 실린더 헤드의 배기포트로부터 수평으로 연장 형성되는 제1배기통로 측에 산소 감지센서를 설치하고 일단은 개스킷을 개재한 플레이트로 체결 형성되는 실린더 헤드 배기부와,The present invention for realizing this is provided with a cylinder head exhaust portion which is formed by fastening the oxygen sensor sensor on the side of the first exhaust passage is formed extending horizontally from the exhaust port of the cylinder head through a plate through the gasket;

상기 실린더 헤드 배기부의 제1배기통로와 연통되게 형성하고 저부에 배기파이프를 이용 머플러가 장착되게 실린더 블럭 보어 일측에 제2배기통로를 형성하고 여기에 배기가스를 정화할 수 있게 촉매부재가 조립 설치되는 실린더 블럭 정화부를 형성하여 이루어지는 차량용 엔진의 배기장치를 제공하는데 있다.A catalyst member is formed so as to be in communication with the first exhaust passage of the cylinder head exhaust portion, and a second exhaust passage is formed at one side of the cylinder block bore so that the muffler is mounted on the bottom by the exhaust pipe. The present invention provides an exhaust device for a vehicle engine formed by forming a cylinder block purification unit.

상기한 실린더 블럭 정화부는 제2배기통로의 주위에 냉각수의 순환과 배기정화 효율을 증대할 수 있게 정화부 워터자켓을 형성하여 이루어지는 차량용 엔진의 배기장치를 제공하는데 있다.The cylinder block purifying unit provides an exhaust device for a vehicle engine formed by forming a purifying unit water jacket to increase the circulation of cooling water and the exhaust purification efficiency around the second exhaust passage.

상기한 촉매부재는 제2배기통로의 저부에 장착을 용이하게 하는 체결 플렌지를 하단에 형성하면서 소정의 높이로 형성되는 삽입관부와, 이 삽입관부 내주면에 배기가스와 산화, 환원 반응을 일으키게 설치된 촉매부로 이루어지는 차량용 엔진의 배기장치를 제공하는데 있다.The catalyst member includes an insertion tube portion formed at a predetermined height while forming a fastening flange at the bottom of the second exhaust passage to facilitate mounting, and a catalyst installed on the inner circumferential surface of the insertion tube portion to cause oxidation and reduction reactions with the exhaust gas. The present invention provides an exhaust device for a vehicle engine.

도1은 본 발명에 따른 엔진의 배기장치를 도시한 도면.1 shows an exhaust system of an engine according to the invention;

도2는 종래기술에 따른 배기장치를 도시한 도면.Figure 2 shows an exhaust device according to the prior art.

도면의 주요 부분에 대한 부호의 설명Explanation of symbols for the main parts of the drawings

24:실린더 헤드 배기부 26:실린더 블럭 정화부 28:머플러24: cylinder head exhaust portion 26: cylinder block purification portion 28: muffler

30:실린더 헤드 32:배기포트 34:제1배기통로30: cylinder head 32: exhaust port 34: first exhaust passage

36:산소 감지센서 38:개스킷 40:플레이트36: oxygen detection sensor 38: gasket 40: plate

42:배기파이프 44:실린더 블럭 46:제2배기통로42: exhaust pipe 44: cylinder block 46: second exhaust passage

48:촉매부재 50:정화부 워터자켓 52:체결 플렌지48: catalyst member 50: purifying water jacket 52: fastening flange

54:삽입관부 56:촉매부54: insertion pipe 56: catalyst

이하, 본 발명의 바람직한 일 실시예를 첨부한 도면에 의하여 더욱 상세히 설명한다.Hereinafter, with reference to the accompanying drawings a preferred embodiment of the present invention will be described in more detail.

도1은 본 발명에 따른 엔진의 배기장치를 도시한 도면으로, 부호(22)는 엔진의 배기장치를 지칭한다.1 shows an exhaust system of an engine according to the present invention, where reference numeral 22 designates an exhaust system of the engine.

상기한 엔진의 배기장치(22)는 실린더 헤드 배기부(24)와, 실린더 블럭 정화부(26),그리고 머플러(28)로 구성되어 이루어지고 있다.The exhaust device 22 of the engine is constituted by a cylinder head exhaust part 24, a cylinder block purifying part 26, and a muffler 28.

상기한 실린더 헤드 배기부(24)는 실린더 헤드(30)의 배기포트(32)로부터 수평으로 연장 형성되는 제1배기통로(34) 측에 산소 감지센서(36)를 설치하고 일측은 개스킷(38)을 개재한 후 플레이트(40)로 체결하여 기밀한 구조를 이루게 하고 있다.The cylinder head exhaust 24 is provided with an oxygen sensor 36 on the side of the first exhaust passage 34 extending horizontally from the exhaust port 32 of the cylinder head 30, one side of the cylinder 38 ) Through the plate 40 is fastened to form an airtight structure.

상기한 실린더 블럭 정화부(26)는 실린더 헤드 배기부(24)의 제1배기통로(34)와 연통되게 형성하고 저부에 배기파이프(42)를 이용 머플러(28)가 장착되게 실린더 블럭(44) 보어 일측에 제2배기통로(46)를 형성하고 여기에 배기가스를 정화할 수 있게 촉매부재(48)를 조립 설치하고 있다.The cylinder block purifier 26 is formed in communication with the first exhaust passage 34 of the cylinder head exhaust 24, and the cylinder block 44 is mounted to the muffler 28 using the exhaust pipe 42 at the bottom thereof. The second exhaust passage 46 is formed on one side of the bore, and the catalyst member 48 is assembled to purify the exhaust gas.

상기한 실린더 블럭 정화부(26)는 제2배기통로(46)의 주위에 냉각수의 순환과 배기정화 효율을 증대할 수 있게 정화부 워터자켓(50)을 형성하고 있다.The cylinder block purification section 26 forms a purification section water jacket 50 around the second exhaust passage 46 to increase the circulation of the cooling water and the exhaust purification efficiency.

상기한 촉매부재(48)는 제2배기통로(46)의 저부에 장착을 용이하게 하는 체결 플렌지(52)를 하단에 형성하면서 소정의 높이로 형성되는 삽입관부(54)와, 이 삽입관부(54) 내주면에 배기가스와 산화, 환원 반응을 일으키게 설치된 촉매부(56)로 이루어지고 있다.The catalyst member 48 includes an insertion tube portion 54 formed at a predetermined height while forming a fastening flange 52 at the bottom of the second exhaust passage 46 to facilitate mounting, and the insertion tube portion ( 54) A catalyst portion 56 provided on the inner circumferential surface to cause oxidation and reduction reactions with the exhaust gas.

상기한 바와 같이 이루어지는 본 발명의 작용은 배기포트(32)를 형성한 실린더 헤드(30)에 제1배기통로(34)를 형성하고, 이 제1배기통로(34)에 산소 감지센서(36)를 설치하여 배출되는 배기가스중의 산소를 감지하게 한다.The operation of the present invention as described above forms a first exhaust passage 34 in the cylinder head 30 formed with the exhaust port 32, the oxygen sensor 36 in the first exhaust passage 34 To detect the oxygen in the exhaust gas.

그리고 상기한 제1배기통로(34)와 연통하는 제2배기통로(46)를 실린더 블럭(44)에 형성할 수 있게 확장하고 제2배기통로(46)의 주변에 정화부 워터자켓(50)을 형성 워밍업시등 제2배기통로(46)에 조립된 촉매부재(48)를 예열시켜 주므로서 배기가스 정화 효율을 높일 수 있게 한다.In addition, the second exhaust passage 46 communicating with the first exhaust passage 34 is extended to be formed in the cylinder block 44, and the purification section water jacket 50 is disposed around the second exhaust passage 46. At the time of warming up, the catalyst member 48 assembled in the second exhaust passage 46 may be preheated to increase the exhaust gas purification efficiency.

상기한 촉매부재(48)는 실린더 블럭(44)에 형성된 제2배기통로(46)의 저부에 배기파이프(42) 체결시 함께 조립되고 있으며, 교환은 이 배기파이프(42)를 체결하고 있는 볼트등을 풀어주면 된다.The catalyst member 48 is assembled together when the exhaust pipe 42 is fastened to the bottom of the second exhaust passage 46 formed in the cylinder block 44, and the bolt for fastening the exhaust pipe 42 is replaced. Loosen your back.

상기한 바와 같이 이루어지는 엔진의 배기장치(22)는 실린더 헤드(30)에 제1배기통로(34)를 형성하고 산소 감지센서(36)를 설치하므로서 종전의 배기 메니폴드의 기능을 하게 한다.The exhaust device 22 of the engine configured as described above functions as a conventional exhaust manifold by forming the first exhaust passage 34 in the cylinder head 30 and installing the oxygen sensor 36.

그리고 실린더 블럭(44)에 제2배기통로(46)를 형성하여 촉매부재(48)를 조립하므로서 단순한 배기장치를 구현할 수 있게 된다.The second exhaust passage 46 is formed in the cylinder block 44 to assemble the catalyst member 48, thereby implementing a simple exhaust device.

이러한 본 발명은 엔진의 배기장치가 단순화되므로서 부품수 절감, 이로 인해 경량화, 원가절감이 이루어지는 발명이다.This invention is an invention in which the exhaust device of the engine is simplified, thereby reducing the number of parts, thereby reducing the weight and cost.

그리고 상기한 바에 의해 엔진룸의 설계 자유도가 향상되고, 워밍업시 더불어 촉매부재의 예열도 이루어져 정화효율을 높이게 된다.As described above, the freedom of design of the engine room is improved, and the warming-up of the catalyst member is performed at the time of warming up, thereby increasing the purification efficiency.

또, 상기한 부품수 절감에 따른 단순화로 엔진 구동시 발생하는 소음도 저감되는 효과가 발생한다.In addition, the noise generated when the engine is driven by the simplification according to the reduction of the number of parts occurs.

Claims (3)

실린더 헤드(30)의 배기포트(32)로부터 수평으로 연장 형성되는 제1배기통로(34) 측에 산소 감지센서(36)를 설치하고 일단은 개스킷(38)을 개재한 후 플레이트(40)로 체결 형성되는 실린더 헤드 배기부(24)와,The oxygen detecting sensor 36 is installed on the side of the first exhaust passage 34 extending horizontally from the exhaust port 32 of the cylinder head 30, and one end of the cylinder head 30 passes through the gasket 38. A cylinder head exhaust part 24 which is fastened and formed; 상기 실린더 헤드 배기부(24)의 제1배기통로(34)와 연통되게 형성하고 저부에 배기파이프(42))를 이용 머플러(28)가 장착되게 실린더 블럭(44) 보어 일측에 제2배기통로(46)를 형성하고 여기에 배기가스를 정화할 수 있게 촉매부재(48)가 조립 설치되는 실린더 블럭 정화부(26)를 형성하여 이루어짐을 특징으로 하는 차량용 엔진의 배기장치.The second exhaust passage is formed at the bore side of the cylinder block 44 so that the muffler 28 is mounted to the first exhaust passage 34 of the cylinder head exhaust portion 24 and the muffler 28 is mounted on the bottom by using the exhaust pipe 42. And a cylinder block purifying unit (26) in which a catalyst member (48) is assembled so as to form (46) and to purify the exhaust gas therein. 청구항 1에 있어서, 실린더 블럭 정화부(26)는 제2배기통로(46)의 주위에 냉각수의 순환을 도모하는 정화부 워터자켓(50)을 형성하여 이루어지는 차량용 엔진의 배기장치.The exhaust system of a vehicle engine according to claim 1, wherein the cylinder block purifier (26) forms a purifier water jacket (50) for circulating the coolant around the second exhaust passage (46). 청구항 1에 있어서, 촉매부재(48)는 제2배기통로(46)의 저부에 장착을 용이하게 하는 체결 플렌지(52)를 하단에 형성하면서 소정의 높이로 형성되는 삽입관부(54)와, 이 삽입관부(54) 내주면에 배기가스와 산화, 환원 반응을 일으키게 설치된 촉매부(56)로 이루어지는 차량용 엔진의 배기장치.The method according to claim 1, the catalyst member 48 is inserted into the tube portion 54 formed at a predetermined height while forming a fastening flange 52 to facilitate the mounting on the bottom of the second exhaust passage 46 at the lower end, and An exhaust device of a vehicular engine comprising a catalyst portion 56 provided on the inner circumferential surface of the insertion pipe portion 54 to cause oxidation and reduction reactions with the exhaust gas.
KR1019970034175A 1997-07-22 1997-07-22 Exhaust apparatus of automotive engine KR100226984B1 (en)

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