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KR20070076664A - Vehicle Exhaust Gas Recirculation System - Google Patents

Vehicle Exhaust Gas Recirculation System Download PDF

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Publication number
KR20070076664A
KR20070076664A KR1020060005818A KR20060005818A KR20070076664A KR 20070076664 A KR20070076664 A KR 20070076664A KR 1020060005818 A KR1020060005818 A KR 1020060005818A KR 20060005818 A KR20060005818 A KR 20060005818A KR 20070076664 A KR20070076664 A KR 20070076664A
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South Korea
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exhaust
exhaust gas
pipe
vehicle
valve
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KR1020060005818A
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Korean (ko)
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이인균
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현대자동차주식회사
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/21—Interference related issues ; Issues related to cross-correlation, spoofing or other methods of denial of service
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0064—Earth or grounding circuit
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0079—Electrostatic discharge protection, e.g. ESD treated surface for rapid dissipation of charges
    • 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

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exhaust-Gas Circulating Devices (AREA)

Abstract

본 발명은 차량용 배기가스의 재순환장치에 관한 것으로서, 보다 상세하게는 엔진의 각 실린더에서 배출되는 배기가스를 재순환시키어 대기오염물질의 배출을 절감하고, 엔진의 각 실린더에서 배기되는 배기가스의 재순환시에 배기냉각쿨러의 내부와 배기밸브의 내측면에 배기가스의 매연물질이 침적 퇴적된 카본입자를 원활하게 연소시켜 유해성분을 제거하여 배출시킬 수 있도록 엔진의 배기매니폴더(2)를 통해 배출되는 배기가스를 배출파이프(3)를 통해 냉각쿨러(4)를 통과시켜 냉각시킨 다음 배기밸브(5)의 개폐에 의해 배기엘보우로 유입되고 흡기매니폴더(6)로 공급되어 신기와 혼합된 다음 연소실(7)로 유입 재연소되도록 되어 있는 차량용 배기가스 재순환장치에 있어서; 상기한 배기밸브(5)에서 개폐되는 배기가스를 흡기매니폴더(6)로 유입시키는 유입관(8)의 일정부위에 차량의 배기파이프(9)와 연통되는 유도관(10)을 마련되고, 상기 유입관(8)의 일정 위치에 상기 유도관(10)을 개폐하면서 상기 유입관(8)을 개폐하는 재생밸브(11)를 마련되어 있는 차량용 배기가스 재순환장치를 제공한다.The present invention relates to a vehicle exhaust gas recirculation apparatus, and more particularly, to reduce the emission of air pollutants by recycling the exhaust gas discharged from each cylinder of the engine, and at the time of recycling the exhaust gas exhausted from each cylinder of the engine The exhaust gas is discharged through the exhaust manifold (2) of the engine to smoothly burn the carbon particles deposited on the inside of the exhaust cooler and the inner side of the exhaust valve so that the carbon particles deposited therein can be removed and removed. The exhaust gas is cooled by passing the cooling cooler 4 through the exhaust pipe 3, and then flowed into the exhaust elbow by opening and closing the exhaust valve 5, supplied to the intake manifold 6, mixed with the new air, and then the combustion chamber. A vehicle exhaust gas recirculation apparatus adapted to be reburned inlet to (7); An induction pipe 10 communicating with the exhaust pipe 9 of the vehicle is provided at a predetermined portion of the inlet pipe 8 through which the exhaust gas opened and closed by the exhaust valve 5 is introduced into the intake manifold 6. It provides a vehicle exhaust gas recirculation device provided with a regeneration valve 11 for opening and closing the inlet pipe (8) while opening and closing the induction pipe (10) at a predetermined position of the inlet pipe (8).

Description

차량용 배기가스 재순환 장치{exhaust gas recirculation}Exhaust gas recirculation for vehicles

도 1은 본 발명에 따른 차량용 배기가스 재순환장치를 보인 걔략 예시도,1 is a schematic illustration showing a vehicle exhaust gas recirculation apparatus according to the present invention,

도 2 및 도 3은 동 사용상태를 보인 개략 예시도,2 and 3 is a schematic illustration showing the state of use,

도 4는 종래 차량용 배기가스 재순환 장치를 보인 사시 예시도,Figure 4 is a perspective illustration showing a conventional vehicle exhaust gas recirculation device,

도 5는 동 일부 확대 단면 예시도,5 is a partial enlarged cross-sectional view of the same;

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

1 ; 재순환장치, 2 : 배기매니폴더,One ; Recirculation device, 2: exhaust manifold,

3 : 배출파이프, 4 : 냉각쿨러,3: exhaust pipe, 4: cooling cooler,

5 : 배기밸브, 6 : 흡기매니폴더,5: exhaust valve, 6: intake manifold,

7 : 연소실, 8 : 유입관,7: combustion chamber, 8: inlet pipe,

9 : 배기파이프, 10 : 유도관,9: exhaust pipe, 10: induction pipe,

11 : 재생밸브.11: regeneration valve.

본 발명은 차량용 배기가스의 재순환장치에 관한 것으로서, 보다 상세하게는 엔진의 각 실린더에서 배출되는 배기가스를 재순환시키어 대기오염물질의 배출을 절감하고, 엔진의 각 실린더에서 배기되는 배기가스의 재순환시에 배기냉각쿨러의 내부와 배기밸브의 내측면에 배기가스의 매연물질이 침적 퇴적된 카본입자를 원활하게 연소시켜 유해성분을 제거하여 배출시킬 수 있도록 된 차량용 배기가스의 재순환장치에 관한 것이다.The present invention relates to a vehicle exhaust gas recirculation apparatus, and more particularly, to reduce the emission of air pollutants by recycling the exhaust gas discharged from each cylinder of the engine, and at the time of recycling the exhaust gas exhausted from each cylinder of the engine The present invention relates to a vehicle exhaust gas recirculation apparatus capable of smoothly burning carbon particles in which exhaust gas soot accumulated and deposited on the inner side of an exhaust valve and removing harmful components.

일반적으로 엔진의 각 실린더에서 배출되는 배기가스에는 환경에 유해간 탄화수소를 포함한 각종 대기 오염물질이 포함되어 있어, 배출되는 배기가스를 다시 연소실로 강제적으로 보내어 재연소시킴으로서 대기중으로 방출되는 오염물질을 절감하는 배기가스 재순환장치가 구비되어 있다.In general, the exhaust gas emitted from each cylinder of the engine contains various air pollutants including hydrocarbons harmful to the environment, thereby reducing the pollutants emitted to the atmosphere by forcibly sending the exhaust gas back to the combustion chamber for reburn. An exhaust gas recirculation device is provided.

상기에서 배기가스 재순환장치(50)는 일반적으로 도4에서 도시된 바와 같이 엔진의 배기매니폴더(51)를 통해 배출되는 배기가스를 배출파이프(52)를 통해 냉각쿨러(53)를 통과시켜 냉각시킨 다음 배기밸브(54)의 개폐에 의해 배기엘보우(55)로 유입되고 흡기매니폴더로 공급되어 신기와 혼합된 다음 연소실로 유입 재연소되도록 되어 있다.In the exhaust gas recirculation apparatus 50, as shown in FIG. 4, the exhaust gas discharged through the exhaust manifold 51 of the engine is cooled by passing the cooling cooler 53 through the exhaust pipe 52. After the exhaust valve 54 is opened and closed, the exhaust valve 54 is introduced into the exhaust elbow 55, supplied to the intake manifold, mixed with the new air, and then reintroduced into the combustion chamber.

상기와 같은 배기가스 재순환은 운전조건 중 저속 부분 부하 구간에서 작동을 하는바, 즉 저속 고부하 및 고속 고부하 영역에서는 배기밸브(54)가 폐쇄되어 배기가스의 재순환이 이루어지지 않도록 되어 있다.The exhaust gas recirculation as described above operates in the low-speed partial load section of the operating conditions, that is, the exhaust valve 54 is closed in the low speed high load and high speed high load regions so that the exhaust gas is not recycled.

상기와 같은 저속 부분 부하 영역에서 배기가스의 온도는 250∼400℃ 정도로서 배기밸브(54)를 통해 흡기매니폴더로 유입되는 배기가스에 포함되어 완전 연소되지 않은 매연물질이 배기밸브(54)의 내측면에 침적되어 퇴적되고, 냉각쿨러(53)의 내면에도 침적 퇴적되어 카본 퇴적물을 이루게 된다.In the low-speed partial load region as described above, the exhaust gas has a temperature of about 250 to 400 ° C., and the exhaust gas flowing into the intake manifold through the exhaust valve 54 is not completely burned so that the exhaust gas is not completely burned. It is deposited on the side and deposited, and also deposited on the inner surface of the cooling cooler 53 to form a carbon deposit.

이와 같은 카본 퇴적물은 배기밸브(54)의 마모와 손상을 주게되며 냉각쿨러(53)의 경우 냉각수와의 열교환을 방해하여 냉각쿨러(53)의 냉각성능을 저하시켜는 문제점을 유발한다.Such carbon deposits may cause wear and damage of the exhaust valve 54, and in the case of the cooling cooler 53, the heat exchange with the cooling water may be hindered, thereby causing a problem of lowering the cooling performance of the cooling cooler 53.

상기와 같은 문제점을 해결하기 위하여 배기밸브(54)에 퇴적된 카본물질을 외부로 배출하기 위해 도 5에서 도시된 바와 같이 배기밸브(54) 개폐시에 배기밸브(54)를 짧은시간(약 2초)동안 3회정도로 풀 온/오프시켜므로써 밸브(56)와 밸브내측면(57)이 부딪히는 충격에 의해 퇴적된 카본물질이 자유낙하하여 밸브내측면(57)에서 퇴적되지 않도록 하고 있으나, 이것은 떨어진 카본물질이 저속 부분 구간에서 대기가스의 재순환시에 배기밸브(54)가 개방되면서 모두 연소실로 유입되게 되어 유입되는 카본퇴적물질이 불완전연소 및 노킹을 유발하여 엔진의 내구성을 떨어트리는 또 다른 문제점을 유발하고 있다.In order to solve the above problems, in order to discharge the carbon material deposited on the exhaust valve 54 to the outside, as shown in FIG. By pulling on / off about 3 times per second), the carbon material deposited by the impact of the valve 56 and the valve inner surface 57 collides freely and is not deposited on the valve inner surface 57. Another problem is that the fallen carbon material is introduced into the combustion chamber as the exhaust valve 54 is opened during the recirculation of atmospheric gas in the low-speed part section, and the inflow carbon deposit causes incomplete combustion and knocking, thereby degrading the durability of the engine. Is causing.

본 발명은 상기와 같은 종래의 문제점들을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은 엔진의 각 실린더에서 배출되는 배기가스를 재순환시키어 대기오염물질의 배출을 절감하고, 엔진의 각 실린더에서 배기되는 배기가스의 재순환시에 냉각쿨러의 내부와 배기밸브의 내측면에 배기가스의 매연물질이 침적 퇴적된 카본입자를 원활하게 연소시켜 유해성분을 제거하여 배출시킬 수 있도록 된 차량용 배기가스의 재순환장치를 제공하여 완전 연소 및 원활한 연소를 통해 엔진의 내구성을 보장하는데 있다.The present invention has been made to solve the above conventional problems, an object of the present invention is to recycle the exhaust gas discharged from each cylinder of the engine to reduce the emission of air pollutants, exhausted from each cylinder of the engine When the exhaust gas is recycled, a vehicle exhaust gas recirculation device is installed to smoothly burn carbon particles having accumulated soot material deposited on the inside of the cooling cooler and the exhaust valve to remove harmful components. To ensure the durability of the engine through complete combustion and smooth combustion.

상기와 같은 본 발명의 목적을 달성하기 위한 본 발명의 차량용 배기가스의 재순환장치는 엔진의 배기매니폴더를 통해 배출되는 배기가스를 배기파이프를 통해 냉각쿨러를 통과시켜 냉각시킨 다음 배기밸브의 개폐에 의해 배기엘보우로 유입되고 흡기매니폴더로 공급되어 신기와 혼합된 다음 연소실로 유입 재연소되도록 되어 있는 차량용 배기가스 재순환장치에 있어서; 상기한 배기밸브에서 개폐되는 배기가스를 흡기매니폴더로 유입시키는 유입관의 일정부위에 차량의 배기파이프와 연통되는 유도관을 마련하고 상기 유도관의 일정 위치에 상기 유도관을 개폐하면서 상기 유입관을 개폐하는 재생밸브를 마련하는 것으로 이루어져 있다.The vehicle exhaust gas recirculation apparatus of the present invention for achieving the object of the present invention as described above to cool the exhaust gas discharged through the exhaust manifold of the engine through a cooling cooler through the exhaust pipe and then open and close the exhaust valve. An in-vehicle exhaust gas recirculation apparatus adapted to be introduced into an exhaust elbow, supplied to an intake manifold, mixed with a novelty, and then re-introduced into a combustion chamber; An induction pipe communicating with the exhaust pipe of the vehicle is provided at a predetermined portion of the inlet pipe for introducing the exhaust gas opened and closed at the exhaust valve to the intake manifold and opening and closing the induction pipe at a predetermined position of the induction pipe. It is to provide a regeneration valve for opening and closing the.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 구성 및 작용을 상세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings, the preferred configuration and operation of the present invention will be described in detail.

도 1 내지 도 3은 본 발명에 따른 일 실시예에 의한 차량용 배기가스의 재순환장치를 보인 도면으로, 본 실시예의 차량용 배기가스의 재순환장치(1)는 엔진의 배기매니폴더(2)를 통해 배출되는 배기가스를 배출파이프(3)를 통해 냉각쿨러(4)를 통과시켜 냉각시킨 다음 배기밸브(5)의 개폐에 의해 배기엘보우로 유입되고 흡기매니폴더(6)로 공급되어 신기와 혼합된 다음 연소실(7)로 유입 재연소되도록 되어 있는 차량용 배기가스 재순환장치에 있어서; 상기한 배기밸브(5)에서 개폐되는 배기가스를 흡기매니폴더(6)로 유입시키는 유입관(8)의 일정부위에 차량의 배기파이프(9)와 연통되는 유도관(10)을 마련되고, 상기 유입관(8)의 일정 위치에 상기 유도관(10)을 개폐하면서 상기 유입관(8)을 개폐하는 재생밸브(11)를 마련되어 있다.1 to 3 are views showing a vehicle exhaust gas recirculation apparatus according to an embodiment according to the present invention, the vehicle exhaust gas recirculation apparatus 1 of the present embodiment is discharged through the exhaust manifold (2) of the engine After cooling the exhaust gas through the cooling pipe 4 through the exhaust pipe 3, the exhaust gas is introduced into the exhaust elbow by opening and closing the exhaust valve 5, supplied to the intake manifold 6, and mixed with the new air. An in-vehicle exhaust gas recirculation apparatus adapted to be reburned inlet into a combustion chamber (7); An induction pipe 10 communicating with the exhaust pipe 9 of the vehicle is provided at a predetermined portion of the inlet pipe 8 through which the exhaust gas opened and closed by the exhaust valve 5 is introduced into the intake manifold 6. A regeneration valve 11 is provided to open and close the inlet pipe 8 while opening and closing the induction pipe 10 at a predetermined position of the inlet pipe 8.

상기와 같이 이루어지는 본 실시예의 차량용 배기가스의 재순환장치(1)는 차 량의 저속 부분 구간에서는 도 3에서 도시된 바와 같이 상기한 배기밸브(5)는 개방하고, 상기한 재생밸브(11)는 상기 유도관(10)을 차단하여 엔진의 연소실(7)에서 배기매니폴더(2)를 통해 배기되는 배기가스를 냉각쿨러(4)에서 냉각을 하고 냉각된 배기가스를 배기밸브(5)에 의해 개방된 유입관(8)을 통해 흡기매니폴더(6)로 유입시켜 신기와 혼합하여 연소실(7)로 공급하므로써 재연소시키는 배기가스 재순환 개능을 수행하도록 되어 있다.In the vehicle exhaust gas recirculation apparatus 1 of the present embodiment made as described above, the exhaust valve 5 is opened as shown in FIG. 3 in the low-speed section of the vehicle, and the regeneration valve 11 is The induction pipe 10 is blocked to cool exhaust gas exhausted from the combustion chamber 7 of the engine through the exhaust manifold 2 in the cooling cooler 4, and the cooled exhaust gas is exhausted by the exhaust valve 5. The inlet manifold 6 is introduced through the open inlet pipe 8, mixed with the new air, and supplied to the combustion chamber 7 so as to perform the exhaust gas recirculation ability to be reburned.

그리고, 본 실시예의 차량용 배기가스의 재순환장치(1)는 차량의 고속 고부하 구간에서는 도 2에서 도시된 바와 같이 상기한 배기밸브(5)는 개방하고, 상기한 재생밸브(11)는 상기 유입관(8)을 차단하여 배기밸브(5)를 통해 유입관(8)으로 유입되는 배기가스를 상기 유도관(10)으로 유입시켜 유입관(10)과 연통된 배기파이프(9)를 통해 외부로 방출하게 되는 것으로, 이때에는 연소실(7)에서 배기되는 배기가스의 온도가 600℃ 이상으로 냉각쿨러(4)와 배기밸브(5)의 내면에 퇴적된 매연물질의 연소온도가 600이상 이므로, 배기밸브(5)와 냉각쿨러(4) 내부에 퇴적된 매연과 입자성 물질이 통과하는 고온의 배기가스에 의해 연소되고 배기파이프(9)를 통해 외부로 배출되므로 배기밸브(5)와 냉각쿨러(4)의 내부에 퇴적된 퇴적물이 안전하게 제거된다.In the vehicle exhaust gas recirculation apparatus 1 of the present embodiment, the exhaust valve 5 is opened in the high speed, high load section of the vehicle as shown in FIG. 2, and the regeneration valve 11 is the inlet pipe. The exhaust gas flowing into the inlet pipe 8 through the exhaust valve 5 through the exhaust valve 5 is introduced into the induction pipe 10 to the outside through the exhaust pipe 9 communicating with the inlet pipe 10. In this case, since the temperature of the exhaust gas exhausted from the combustion chamber 7 is 600 ° C. or more, the combustion temperature of the soot matter deposited on the inner surfaces of the cooling cooler 4 and the exhaust valve 5 is 600 or more. The exhaust valve 5 and the cooling cooler (4) are burned by the high-temperature exhaust gas through which the soot and particulate matter accumulated in the valve 5 and the cooling cooler 4 pass and are discharged to the outside through the exhaust pipe 9. Sediment deposited inside 4) is safely removed.

상기한 바와 같이 본 발명의 차량용 배기가스의 재순환장치는 고속 고부하 구간에서 구동되는 엔진에서 배기되는 고온의 배기가스를 이용하여 냉각쿨러와 배기밸브 내부에 침적 퇴적된 매연과 입자성물질을 연소시키고 배기파이프를 통해 외 부로 안전하게 배출하여 배기밸브와 냉각쿨러 내부에 잔존하는 불순물을 제거하여 배기밸브와 냉각쿨러의 역활 수행을 원활하게 할 수 있도록 하는 효과가 있다.As described above, the vehicle exhaust gas recirculation apparatus of the present invention burns and exhausts soot and particulate matter deposited in the cooling cooler and the exhaust valve using high temperature exhaust gas exhausted from an engine driven at a high speed and high load section. Safely discharged to the outside through the pipe to remove impurities remaining in the exhaust valve and the cooling cooler has an effect that can facilitate the performance of the exhaust valve and the cooling cooler.

Claims (2)

엔진의 배기매니폴더를 통해 배출되는 배기가스를 배출파이프를 통해 냉각쿨러를 통과시켜 냉각시킨 다음 배기밸브의 개폐에 의해 배기엘보우로 유입되고 흡기매니폴더로 공급되어 신기와 혼합된 다음 연소실로 유입 재연소되도록 되어 있는 차량용 배기가스 재순환장치에 있어서;The exhaust gas discharged through the exhaust manifold of the engine is cooled by passing through the cooling cooler through the exhaust pipe, and then flows into the exhaust elbow by opening and closing the exhaust valve, supplied to the intake manifold, mixed with the new air, and then introduced into the combustion chamber. A vehicle exhaust gas recirculation apparatus adapted to be fired; 상기한 배기밸브에서 개폐되는 배기가스를 흡기매니폴더로 유입시키는 유입관의 일정부위에 차량의 배기파이프와 연통되는 유도관이 구성되는 것을 특징으로 하는 차량용 배기가스 재순환 장치.And an induction pipe communicating with the exhaust pipe of the vehicle at a predetermined portion of the inlet pipe through which the exhaust gas opened and closed by the exhaust valve is introduced into the intake manifold. 제1항에 있어서, The method of claim 1, 상기 유입관의 일정 위치에는 상기 유도관을 개폐하면서 상기 유입관을 개폐하는 재생밸브를 구비하는 것을 특징으로 하는 차량용 배기가스 재순환 장치.The exhaust gas recirculation device for a vehicle, characterized in that it comprises a regeneration valve for opening and closing the inlet pipe while opening and closing the induction pipe at a predetermined position of the inlet pipe.
KR1020060005818A 2006-01-19 2006-01-19 Vehicle Exhaust Gas Recirculation System Ceased KR20070076664A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190101588A (en) 2018-02-23 2019-09-02 현대자동차주식회사 System for exhaust gas recirculation
US10626828B2 (en) 2018-05-04 2020-04-21 Hyundai Motor Company Exhaust gas control valve of engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190101588A (en) 2018-02-23 2019-09-02 현대자동차주식회사 System for exhaust gas recirculation
US10626828B2 (en) 2018-05-04 2020-04-21 Hyundai Motor Company Exhaust gas control valve of engine

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