KR200142110Y1 - Exhaust apparatus of a car - Google Patents

Exhaust apparatus of a car Download PDF

Info

Publication number
KR200142110Y1
KR200142110Y1 KR2019960066578U KR19960066578U KR200142110Y1 KR 200142110 Y1 KR200142110 Y1 KR 200142110Y1 KR 2019960066578 U KR2019960066578 U KR 2019960066578U KR 19960066578 U KR19960066578 U KR 19960066578U KR 200142110 Y1 KR200142110 Y1 KR 200142110Y1
Authority
KR
South Korea
Prior art keywords
pipe
exhaust
exhaust gas
solenoid valve
intermediate pipe
Prior art date
Application number
KR2019960066578U
Other languages
Korean (ko)
Other versions
KR19980053391U (en
Inventor
권승영
Original Assignee
양재신
대우자동차주식회사
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 양재신, 대우자동차주식회사 filed Critical 양재신
Priority to KR2019960066578U priority Critical patent/KR200142110Y1/en
Publication of KR19980053391U publication Critical patent/KR19980053391U/en
Application granted granted Critical
Publication of KR200142110Y1 publication Critical patent/KR200142110Y1/en

Links

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
    • F01N3/18—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 methods of operation; Control
    • F01N3/20—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 methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • 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
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • 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
    • F01N2260/14—Exhaust treating devices having provisions not otherwise provided for for modifying or adapting flow area or back-pressure

Landscapes

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

Abstract

본 고안은 자동차의 배기장치에 관한 것으로서, 특히 배기개스에 의하여 촉매변환장치 내의 촉매를 반응에 필요한 온도로 가열하는데 소요되는 시간을 최소화여 배기개스에 포함된 유해성분을 저감하고 또한 배기개스의 배출효율을 향상하여 자동차의 성능을 향상할 수 있도록 하는 것이다.The present invention relates to a vehicle exhaust system, and in particular, by minimizing the time required to heat the catalyst in the catalytic converter to the temperature required for the reaction by the exhaust gas to reduce the harmful components contained in the exhaust gas and exhaust gas emissions This is to improve the efficiency of the car to improve the performance.

이와같은 본 고안의 목적을 달성하기 위하여 배기장치의 배기앞파이프를 통과하는 배기개스의 흐름을 시동초기 및 알피엠의 변화에 따라 가변할 수 있도록 한다.In order to achieve the object of the present invention as described above, the flow of the exhaust gas passing through the exhaust front pipe of the exhaust device can be changed in accordance with the start-up and ALPM.

Description

자동차 배기장치Car exhaust

종래 자동차의 배기장치는 도 1 의 (가)(나)에 도시한 바와같이 배기다기관(1), 배기앞파이프(2), 촉매변환장치(3), 배기중간파이프(4), 소음기(5), 배기뒷파이프(6) 순서로 연결된 구조체이다.Conventionally, the exhaust system of a vehicle includes an exhaust manifold 1, an exhaust front pipe 2, a catalytic converter 3, an exhaust intermediate pipe 4, and a silencer as shown in Fig. 1A. ) And the exhaust pipe (6) in this order.

이와같이 구성된 종래의 배기장치는 배기다기관(1)으로 유입된 엔진의 각 연소실에서 연소된 연료의 배기개스가 배기앞파이프(2)를 통하여 촉매변환장치(3)로 유입되면, 촉매변환장치(3)의 촉매변환작용으로 배기개스에 포함된 유해성분이 저감되고 이후 배기중간파이프(4)를 통하여 소음기(5)로 유입되어 배기소음이 저감된 후 배기뒷파이프(6)을 통하여 외부로 유출되었다.In the conventional exhaust device configured as described above, when the exhaust gas of fuel combusted in each combustion chamber of the engine introduced into the exhaust manifold 1 flows into the catalytic converter 3 through the exhaust front pipe 2, the catalytic converter 3 Hazardous components contained in the exhaust gas were reduced by the catalytic conversion of) and then introduced into the silencer 5 through the exhaust middle pipe 4 to reduce the exhaust noise, and then flowed out through the exhaust rear pipe 6.

그리고 상기 배기앞파이프(2)의 구조는 두개의 배기개스유입부(7),(8)와 하나의 배기개스유출부(9)로 형성되어 배기개스의 배출효율을 향상할 수 있었다.The exhaust front pipe 2 has two exhaust gas inlets 7 and 8 and one exhaust gas outlet 9 to improve the exhaust gas discharge efficiency.

그러나 이와같은 배기앞파이프의 구조는 배기개스의 열을 외부로 방출할 수 있는 전열면적이 넓기 때문에, 시동초기에는 배기개스에 의하여 촉매변환장치 내의 촉매를 반응에 필요한 온도로 가열하는데 많은 시간이 소요되는 문제점이 있었다.However, since the structure of the exhaust front pipe has a large heat transfer area capable of releasing heat from the exhaust gas to the outside, it takes a long time to start heating the catalyst in the catalytic converter to the temperature required for the reaction by the exhaust gas. There was a problem.

본 고안은 이와같은 문제점을 감안하여 배기앞파이프구조를 변환하여 배기개스에 의하여 촉매변환장치의 촉매를 반응에 필요한 온도로 가열하는데 소요되는 시간을 최소화할 수 있도록 하는 것이다.The present invention is to minimize the time required to heat the catalyst of the catalytic converter to the temperature required for the reaction by the exhaust gas by converting the exhaust front pipe structure in view of such a problem.

도 1 은 종래 자동차 배기장치의 구조도로서, (가)는 사시도이고, (나)는 A 단면도이다.1 is a structural diagram of a conventional vehicle exhaust apparatus, (a) is a perspective view, (b) is a cross-sectional view A.

도 2 는 본 고안인 자동차 배기장치의 구조도로서, (가)는 사시도, (나)는 B 단면도이다.2 is a structural diagram of a vehicle exhaust system of the present invention, (a) is a perspective view, (b) is a sectional view B.

도 3 은 본 고안인 자동차 배기장치의 배기앞파이프의 상태 단면도로서,(가)는 시동초기 및 저속알피엠인 경우이고,(나)는 중속알피엠인 경우이고,(다)는 고속알피엠인 경우이다.Figure 3 is a cross-sectional view of the exhaust front pipe of the vehicle exhaust apparatus of the present invention, (a) is the initial start and low speed ALMP, (B) is the case of medium speed ALMP, (C) is a case of high speed ALMP. .

*** 도면의 중요부분에 대한 부호의 상세한 설명 ****** Detailed description of symbols for important parts of the drawings ***

101,102 : 유입부103 : 중간파이프101,102: inlet 103: intermediate pipe

104 : 유출부105,106,107,108 : 연결관104: outlet 105, 106, 107, 108: connector

109,110,111,112,113,114, : 전자밸브115 : 배기다기관109,110,111,112,113,114,: Solenoid valve 115: Exhaust manifold

116 : 배기앞파이프117 : 촉매변환장치116: front exhaust pipe 117: catalytic converter

118 : 배기중간파이프119 : 소음기118: exhaust pipe 119: silencer

120 : 배기뒷파이프120: exhaust backpipe

본 고안인 자동차의 배기장치는 도 2 의 (가)(나)에 도시한 바와같이 배기다기관(115), 배기앞파이프(116), 촉매변환장치(117), 배기중간파이프(118), 소음기(119), 배기뒷파이프(120) 순서로 연결된 배기장치에 있어서,The exhaust device of the automobile of the present invention is an exhaust manifold 115, an exhaust front pipe 116, a catalytic converter 117, an intermediate exhaust pipe 118, a silencer, as shown in Fig. 2A. (119), in the exhaust device connected in the exhaust back pipe 120 order,

상기 배기앞파이프(116)는 하나의 유출부(104)에 연결된 두개의 유입부(101) 및 (102)로 유입된 배기개스가 유출부(104)로 직통되게 형성한 중간파이프(103)와, 상기 중간파이프(103)의 선단으로 배기개스가 유입되게 유입부(101) 및 (102)와 중간파이프(103)을 연결한 연결관(105) 및 (106)과, 상기 중간파이프(103)의 중간으로 배기개스가 유입되게 유입부(101) 및 (102)와 중간파이프(103)을 연결한 연결관(107) 및 (108)과, 상기 유입부(102)에 장착되어 연결관(105)를 통하여 중간파이프(103)으로 배기개스가 유입되게 유입부(102)의 배기개스 흐름을 단속하는 전자밸브(109)와, 상기 유입부(101)에 장착되어 연결관(106)를 통하여 중간파이프(103)로 배기개스가 유입되게 유입부(101)의 배기개스 흐름을 단속하는 전자밸브(110)와, 상기 유입부(102)에 장착되어 연결관(107)를 통하여 중간파이프(103)로 배기개스가 유입되게 유입부(102)의 배기개스 흐름을 단속하는 전자밸브(111)와, 상기 유입부(101)에 장착되어 연결관(108)를 통하여 중간파이프(103)으로 배기개스가 유입되게 유입부(101)의 배기개스 흐름을 단속하는 전자밸브(112)와, 상기 중간파이프(103)에 장착되어 연결관(105) 및 연결관(106)으로 유입되어 중간파이프(103)로 통하는 배기개스의 흐름을 단속하는 전자밸브(113)과, 상기 중간파이프(103)에 장착되어 연결관(107) 및 연결관(108)으로 유입되어 중간파이프(103)로 통하는 배기개스의 흐름을 단속하는 전자밸브(114)로 구성된다.The exhaust front pipe 116 is an intermediate pipe 103 formed so that the exhaust gas introduced into the two inlets 101 and 102 connected to one outlet 104 is directly connected to the outlet 104. Connection pipes (105) and (106) connecting the inlet portion (101) and (102) and the intermediate pipe (103) so that the exhaust gas flows into the tip of the intermediate pipe (103), and the intermediate pipe (103). Connecting pipes 107 and 108 which connect the inlet parts 101 and 102 and the intermediate pipe 103 so that the exhaust gas flows into the middle thereof, and the connecting pipe 105 is mounted to the inlet part 102. The solenoid valve 109 to control the exhaust gas flow of the inlet portion 102 so that the exhaust gas flows into the intermediate pipe 103 through the (), and is mounted to the inlet portion 101 through the connecting pipe 106 The solenoid valve 110 which regulates the exhaust gas flow of the inlet part 101 so that the exhaust gas flows into the pipe 103, and the intermediate wave is attached to the inlet part 102 through the connecting pipe 107. The solenoid valve 111 which regulates the exhaust gas flow of the inlet part 102 so that the exhaust gas flows into the pump 103, and the intermediate pipe 103 are attached to the inlet part 101 through the connecting pipe 108. The solenoid valve 112 which regulates the exhaust gas flow of the inlet portion 101 so that the exhaust gas is introduced into the intermediate pipe 103 is introduced into the connecting pipe 105 and the connecting pipe 106 to the intermediate pipe. The solenoid valve 113 which regulates the flow of the exhaust gas to the 103 and the exhaust pipe which is installed in the intermediate pipe 103 and flows into the connecting pipe 107 and the connecting pipe 108 to the intermediate pipe 103. It consists of a solenoid valve 114 which regulates the flow of gas.

상기 배기앞파이프(116)에 장착된 모든 전자밸브는 ECU(전자제어장치)로 제어할 수 있도록 구성하였다.All the solenoid valves mounted on the exhaust front pipe 116 were configured to be controlled by an ECU (electronic control device).

이와같이 구성된 본 고안인 자동차의 배기장치는 배기다기관(115)으로 유입된 엔진의 각 연소실에서 연소된 연료의 배기개스가 배기앞파이프(116)를 통하여 촉매변환장치(117)로 유입되면, 촉매변환장치(117)의 촉매변환작용으로 배기개스에 포함된 유해성분이 저감되고 이후 배기중간파이프(118)를 통하여 소음기(119)로 유입되어 배기소음이 저감된 후 배기뒷파이프(120)을 통하여 외부로 유출된다.In the exhaust device of the present invention configured as described above, when the exhaust gas of fuel combusted in each combustion chamber of the engine introduced into the exhaust manifold 115 flows into the catalytic converter 117 through the exhaust front pipe 116, catalytic conversion The catalytic conversion action of the device 117 reduces the harmful components contained in the exhaust gas and then flows into the silencer 119 through the exhaust middle pipe 118 to reduce the exhaust noise and then to the outside through the exhaust rear pipe 120. Spills.

그리고 상기 배기앞파이프(116)는 저속알피엠(RPM) 및 시동초기에는 도 3 의(가)에 도시한 바와같이 ECU의 제어로 전자밸브(109),(110),(111),(112)가 닫히고 동시에 전자밸브(113),(114)를 열어서 유입부(101),(102)로 유입된 배기개스가 연결관(105),(106)을 통하여 중간파이프(103)의 선단으로 유입되어 유출부(104)로 배출되고, 중속알피엠에서는 도 3 의 (나)에 도시한 바와같이 ECU의 제어로 전자밸브(111),(112),(113)가 닫히고 동시에 전자밸브(109),(110),(114)를 열어서 유입부(101),(102)로 유입된 배기개스가 연결관(107),(108)를 통하여 중간파이프(103)의 중간부로 유입되어 유출부(104)로 배출되고, 고속알피엠에서는 도 3 의 (다)에 도시한 바와같이 ECU의 제어로 전자밸브(113),(114)가 닫히고 동시에 전자밸브(109),(110),(111),(112)를 열어서 유입부(101),(102)로 유입된 배기개스가 중간파이프(103)에 유입되지 않고 유출부(104)로 배출되므로써, 시동초기 및 알피엠의 변화에 따라 배기개스에 의하여 촉매변환장치(117) 내의 촉매를 반응에 필요한 온도로 가열하는데 소요되는 시간을 최소화하며 동시에 배기개스의 배출효율을 향상한다.In addition, the exhaust front pipe 116 is a low speed RPM (RPM) and at the start of the solenoid valves 109, 110, 111, 112 under the control of the ECU as shown in FIG. Is closed, and at the same time, the solenoid valves 113 and 114 are opened, and the exhaust gas flowing into the inlets 101 and 102 is introduced into the front end of the intermediate pipe 103 through the connecting pipes 105 and 106. It discharges to the outlet part 104, and in the medium speed RMP, the solenoid valves 111, 112, 113 are closed by ECU control as shown in (b) of FIG. 3, and at the same time, the solenoid valves 109, ( The exhaust gas flowing into the inlet 101, 102 by opening 110 and 114 is introduced into the middle of the intermediate pipe 103 through the connecting pipes 107 and 108 to the outlet 104. In the high speed ALPM, the solenoid valves 113 and 114 are closed under the control of the ECU as shown in Fig. 3C, and at the same time, the solenoid valves 109, 110, 111, and 112 are closed. Open the inlet 101, 102, the exhaust gas introduced into the intermediate pipe ( By being discharged to the outlet 104 without being introduced to the 103, the time required to heat the catalyst in the catalytic converter 117 to the temperature required for the reaction by the exhaust gas in accordance with the initial start-up and the AlpM changes and at the same time Improve exhaust gas exhaust efficiency.

이와같이 본 고안은 배기장치의 배기앞파이프를 통과하는 배기개스의 흐름을 시동초기 및 알피엠의 변화에 따라 가변하므로써, 배기개스에 의하여 촉매변환장치 내의 촉매를 반응에 필요한 온도로 가열하는데 소요되는 시간을 최소화여 배기개스에 포함된 유해성분을 저감하고 또한 배기개스의 배출효율을 향상하여 자동차의 성능을 향상할 수 있는 효과가 있다.As such, the present invention changes the flow of the exhaust gas passing through the exhaust pipe of the exhaust system according to the initial start and the change of ALPM, thereby reducing the time required to heat the catalyst in the catalytic converter by the exhaust gas to the temperature required for the reaction. Minimize the harmful components contained in the exhaust gas and improve the performance of the exhaust gas has the effect of improving the performance of the car.

Claims (2)

배기다기관(115), 배기앞파이프(116), 촉매변환장치(117), 배기중간파이프(118), 소음기(119), 배기뒷파이프(120) 순서로 연결된 배기장치에 있어서,In the exhaust manifold 115, the exhaust front pipe 116, the catalytic converter 117, the exhaust intermediate pipe 118, the silencer 119, the exhaust rear pipe 120 in the order, 상기 배기앞파이프(116)는 하나의 유출부(104)에 연결된 두개의 유입부(101) 및 (102)로 유입된 배기개스가 유출부(104)로 직통되게 형성한 중간파이프(103)와, 상기 중간파이프(103)의 선단으로 배기개스가 유입되게 유입부(101) 및 (102)와 중간파이프(103)을 연결한 연결관(105) 및 (106)과, 상기 중간파이프(103)의 중간으로 배기개스가 유입되게 유입부(101) 및 (102)와 중간파이프(103)을 연결한 연결관(107) 및 (108)과, 상기 유입부(102)에 장착되어 연결관(105)를 통하여 중간파이프(103)으로 배기개스가 유입되게 유입부(102)의 배기개스 흐름을 단속하는 전자밸브(109)와, 상기 유입부(101)에 장착되어 연결관(106)를 통하여 중간파이프(103)로 배기개스가 유입되게 유입부(101)의 배기개스 흐름을 단속하는 전자밸브(110)와, 상기 유입부(102)에 장착되어 연결관(107)를 통하여 중간파이프(103)로 배기개스가 유입되게 유입부(102)의 배기개스 흐름을 단속하는 전자밸브(111)와, 상기 유입부(101)에 장착되어 연결관(108)를 통하여 중간파이프(103)으로 배기개스가 유입되게 유입부(101)의 배기개스 흐름을 단속하는 전자밸브(112)와, 상기 중간파이프(103)에 장착되어 연결관(105) 및 연결관(106)으로 유입되어 중간파이프(103)로 통하는 배기개스의 흐름을 단속하는 전자밸브(113)과, 상기 중간파이프(103)에 장착되어 연결관(107) 및 연결관(108)으로 유입되어 중간파이프(103)로 통하는 배기개스의 흐름을 단속하는 전자밸브(114)로 구성된 것을 특징으로 하는 자동차 배기장치.The exhaust front pipe 116 is an intermediate pipe 103 formed so that the exhaust gas introduced into the two inlets 101 and 102 connected to one outlet 104 is directly connected to the outlet 104. Connection pipes (105) and (106) connecting the inlet portion (101) and (102) and the intermediate pipe (103) so that the exhaust gas flows into the tip of the intermediate pipe (103), and the intermediate pipe (103). Connecting pipes 107 and 108 which connect the inlet parts 101 and 102 and the intermediate pipe 103 so that the exhaust gas flows into the middle thereof, and the connecting pipe 105 is mounted to the inlet part 102. The solenoid valve 109 to control the exhaust gas flow of the inlet portion 102 so that the exhaust gas flows into the intermediate pipe 103 through the (), and is mounted to the inlet portion 101 through the connecting pipe 106 The solenoid valve 110 which regulates the exhaust gas flow of the inlet part 101 so that the exhaust gas flows into the pipe 103, and the intermediate wave is attached to the inlet part 102 through the connecting pipe 107. The solenoid valve 111 which regulates the exhaust gas flow of the inlet part 102 so that the exhaust gas flows into the pump 103, and the intermediate pipe 103 are attached to the inlet part 101 through the connecting pipe 108. The solenoid valve 112 which regulates the exhaust gas flow of the inlet portion 101 so that the exhaust gas is introduced into the intermediate pipe 103 is introduced into the connecting pipe 105 and the connecting pipe 106 to the intermediate pipe. The solenoid valve 113 which regulates the flow of the exhaust gas to the 103 and the exhaust pipe which is installed in the intermediate pipe 103 and flows into the connecting pipe 107 and the connecting pipe 108 to the intermediate pipe 103. Automobile exhaust device, characterized in that consisting of a solenoid valve for regulating the flow of gas. 제 1 항에 있어서,The method of claim 1, 상기 배기앞파이프(116)에 장착된 모든 전자밸브는 ECU(전자제어장치)로 제어할 수 있도록 구성한 것을 특징으로 하는 자동차 배기장치.All the solenoid valves mounted to the exhaust front pipe 116 is configured to be controlled by an ECU (electronic control device).
KR2019960066578U 1996-12-31 1996-12-31 Exhaust apparatus of a car KR200142110Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019960066578U KR200142110Y1 (en) 1996-12-31 1996-12-31 Exhaust apparatus of a car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019960066578U KR200142110Y1 (en) 1996-12-31 1996-12-31 Exhaust apparatus of a car

Publications (2)

Publication Number Publication Date
KR19980053391U KR19980053391U (en) 1998-10-07
KR200142110Y1 true KR200142110Y1 (en) 1999-06-01

Family

ID=19488341

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019960066578U KR200142110Y1 (en) 1996-12-31 1996-12-31 Exhaust apparatus of a car

Country Status (1)

Country Link
KR (1) KR200142110Y1 (en)

Also Published As

Publication number Publication date
KR19980053391U (en) 1998-10-07

Similar Documents

Publication Publication Date Title
US6178744B1 (en) Controlled temperature catalytic converter, in particular for a motor vehicle
US6041593A (en) Exhaust oxidation
EP2014883A3 (en) Method and devices for purifying waste gases
JP2008128093A (en) Exhaust emission control device for internal combustion engine
US6138454A (en) Selective catalyst reduction wit pox reactor for engine exhaust aftertreatment
US5293744A (en) Exhaust manifold muffler for an internal combustion engine
US20070068145A1 (en) Secondary air injection system for an internal combustion engine
US11098633B2 (en) Exhaust gas aftertreatment system for an internal combustion engine
KR101052048B1 (en) Engine system using vortex tube
KR200142110Y1 (en) Exhaust apparatus of a car
US6422215B1 (en) Exhaust gas re-circulation system with an integrated catalytic converter
US20220235725A1 (en) Cylinder head with integrated catalyst
JP2001514719A (en) Apparatus and method for reducing emissions in a catalytic converter exhaust system
JP3255086B2 (en) Vehicle heating system
KR19990048492A (en) Humidity regulator of car intake
KR19980053390U (en) Variable double exhaust front pipe
KR100303751B1 (en) Second air pipe of exhaust manifold
KR870003583Y1 (en) Muffler for motorcar
KR100294349B1 (en) Apparatus for controlling intake air
KR19980074683A (en) Variable Intake Device According to Vehicle Speed
KR950008545Y1 (en) Exaust gas fitration apparatus of motor car
KR19980075946A (en) Exhaust gas treatment system of vehicle gasoline engine
CN117480313A (en) Turbocharger with a variable-speed control valve
KR200162103Y1 (en) Exhaust gas reduced device of engine
KR19980024310U (en) Exhaust pipe structure

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee