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KR200228006Y1 - Blow-by gas spoof structure of car - Google Patents

Blow-by gas spoof structure of car Download PDF

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Publication number
KR200228006Y1
KR200228006Y1 KR2019970039299U KR19970039299U KR200228006Y1 KR 200228006 Y1 KR200228006 Y1 KR 200228006Y1 KR 2019970039299 U KR2019970039299 U KR 2019970039299U KR 19970039299 U KR19970039299 U KR 19970039299U KR 200228006 Y1 KR200228006 Y1 KR 200228006Y1
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South Korea
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blow
gas
hose
oil
engine
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Expired - Fee Related
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KR2019970039299U
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Korean (ko)
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KR19990026758U (en
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김한상
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이계안
현대자동차주식회사
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M25/00Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
    • F02M25/06Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding lubricant vapours

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

본 고안은 자동차의 블로바이 가스 포집구조에 관한 것이며, 상세하게는 블로바이 가스에 포함된 오일의 포집구조에 관한 것으로서, 블로바이 가스가 흡기계에 흡입될 때 오일을 분리 저장한 후 별도 처리하도록 한 것이다.The present invention relates to a blow-by gas collecting structure of an automobile, and more particularly to a collecting structure of oil contained in the blow-by gas, so that when the blow-by gas is sucked into the intake machine, the oil is separately stored and then processed separately. It is.

본 고안은 엔진(1)의 록커 커버(2)와 흡기 도관(3) 사이에 블리더 호스(4)를 연결함과 동시에 록커 커버(2)와 서지 탱크(5) 사이에 P.C.V. 밸브(7)가 설치된 벤틸레이션 호스(6)를 연결한 것에 있어서, 상기 블리더 호스(4)와 벤틸레이션 호스(6)에 오일 분리 도관(10)(11)을 연결하여 상기 오일 분리 도관(10)(11)의 타단을 엔진(1)의 하방에 설치되는 밀폐형 포집통(12)에 연결하여서 된 것이다.The present invention connects the bleeder hose (4) between the rocker cover (2) and the intake conduit (3) of the engine (1) and at the same time between the rocker cover (2) and the surge tank (5). In the connection of the ventilation hose 6 provided with the valve 7, the oil separation conduits 10 and 11 are connected to the bleeder hose 4 and the ventilation hose 6. The other end of 10) (11) is connected to the hermetic collector 12 provided below the engine 1.

Description

자동차의 블로바이 가스 포집구조Blow-by gas collection structure of automobile

본 고안은 자동차의 블로바이 가스 포집구조에 관한 것이며, 상세하게는 블로바이 가스에 포함된 오일의 포집구조에 관한 것이다.The present invention relates to a blowby gas collecting structure of an automobile, and more particularly to a collecting structure of oil contained in the blowby gas.

주지하는 바와 같이 왕복동형 엔진은 실린더 블록에 형성된 실린더에 피스톤을 삽입함과 동시에 상기 피스톤과 실린더 블록에 결합된 실린더 헤드 사이에 연소실을 형성하여 혼합기를 연소실에서 연소시킬 때 상기 실린더와 피스톤 사이에는 피스톤의 열 팽창을 고려하여 피스톤 간극을 설정하고 있기 때문에 상기 피스톤 간극으로 블로바이 가스가 누설되며, 상기 블로바이 가스가 피스톤 간극을 통하여 크랭크 케이스 측으로 누설될 때 실린더 벽을 윤활하기 위한 오일과 함께 크랭크 케이스로 누설되는 것이다.As is well known, a reciprocating engine inserts a piston into a cylinder formed in a cylinder block, and simultaneously forms a combustion chamber between the piston and a cylinder head coupled to the cylinder block to form a combustion chamber between the cylinder and the piston when the mixer is combusted in the combustion chamber. Since the piston gap is set in consideration of the thermal expansion of the blow-by gas, the blow-by gas leaks into the piston gap, and the crank case with oil for lubricating the cylinder wall when the blow-by gas leaks through the piston gap to the crankcase side. To leak.

종래의 블로바이 가스 처리장치는 제2도에 도시한 바와 같이 엔진(1)의 록커 커버(2)와 흡기 도관(3) 사이에 블리더 호스(4)를 연결함과 동시에 록커 커버(2)와 서지 탱크(5) 사이에 포지티브 크랭크 케이스 벤틸레이션(P.C.V) 밸브(7)가 설치된 벤틸레이션 호스(6)를 연결하여 크랭크 케이스에 모여진 블로바이 가스를 록커 커버(2) 내로 이송한 후 인테이크 매니폴드 진공도에 의하여 P.C.V 밸브(7)를 개방하여 블리더 호스(4)로 유입되는 신기와 함께 연소실에 공급하여 연소토록 한 것이다.The conventional blow-by gas treatment apparatus connects the bleeder hose 4 between the rocker cover 2 and the intake conduit 3 of the engine 1 as shown in FIG. The ventilation hose 6 provided with the positive crank case ventilation (PCV) valve 7 between the surge tank 5 and the surge tank 5 to transfer the blow-by gas collected in the crank case into the locker cover 2, and then the intake manifold. By the fold vacuum degree, the PCV valve 7 is opened and supplied to the combustion chamber together with the new device flowing into the bleeder hose 4 to be burned.

그러나 상기한 블로바이 가스 처리장치는 크랭크 케이스에서 록커 커버(2)로 블로바이 가스를 이송할 때 블로바이 가스에 포함된 오일을 분리하고 있으나 분리가 완전하지 못한 바, 상기와 같이 오일이 포함된 블로바이 가스가 서지 탱크(5)를 통하여 연소실에 흡입될 때 흡기계에 고형 퇴적물이 퇴적하므로서 흡기저항이 크게 될 뿐 아니라 상기 흡기계에 연결된 진공도관에 의하여 작동되는 보기 등의 이상 작동을 초래하고, 오일의 불완전 연소에 의하여 유해 배기가스가 배출되어 환경을 오염시키는 문제점이 있는 것이다.However, the above blow-by gas treating apparatus separates the oil contained in the blow-by gas when the blow-by gas is transferred from the crank case to the locker cover 2, but the separation is not complete. When the blow-by gas is sucked into the combustion chamber through the surge tank 5, solid deposits are deposited on the intake system, which increases the intake resistance and causes abnormal operation such as a bogie operated by a vacuum conduit connected to the intake system. Toxic exhaust gas is discharged by incomplete combustion of oil, which pollutes the environment.

본 고안은 상기한 실정을 감안하여, 블로바이 가스가 흡기계에 흡입될 때 오일을 분리 저장한 후 별도 처리하는 자동차의 블로바이 가스 포집구조를 제공하는 것을 목적으로 한다.SUMMARY OF THE INVENTION In view of the above circumstances, an object of the present invention is to provide a blow-by gas collecting structure of a vehicle in which oil is separately stored and separately processed when the blow-by gas is sucked into the intake machine.

상기한 목적을 달성하기 위하여, 엔진의 록커 커버와 흡기 도관 사이에 블리더 호스를 연결함과 동시에 록커 커버와 서지탱크 사이에 P.C.V 밸브가 설치된 벤틸레이션 호스를 연결한 것에 있어서, 상기 블리더 호스와 벤틸레이션 호스에 각각 오일 분리 도관을 연결하여 상기 오일 분리 도관의 타단을 엔진의 하부에 설치되는 밀폐형 포집통에 연결하여서 된 것이다.In order to achieve the above object, the bleeder hose is connected between the rocker cover and the intake conduit of the engine and the ventilation hose having a PCV valve is installed between the rocker cover and the surge tank. The oil separation conduit is connected to the ventilation hose, respectively, and the other end of the oil separation conduit is connected to a hermetic collector installed at the bottom of the engine.

제1도는 본 고안의 실시예의 구성도.1 is a block diagram of an embodiment of the present invention.

제2도는 종래의 블로바이 가스 처리 구성도.2 is a block diagram of a conventional blow-by gas treatment.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

2 : 록커 커버 3 : 흡기 도관2: rocker cover 3: intake conduit

4 : 블리더 호스 6 : 벤틸레이션 호스4: Bleeder Hose 6: Ventilation Hose

7 : P.C.V 밸브 10, 11 : 오일 분리 도관7: P.C.V valve 10, 11: oil separation conduit

12 : 포집통12: collecting container

본 고안은 제1도에 도시한 바와 같이 엔진(1)의 록커 커버(2)와 흡기 도관(3) 사이에 블리더 호스(4)를 연결함과 동시에 록커 커버(2)와 서지 탱크(5) 사이에 P.C.V. 밸브(7)가 설치된 벤틸레이션 호스(6)를 연결한 것에 있어서, 상기 블리더호스(4)와 벤틸레이션 호스(6)에 오일 분리 도관(10)(11)을 연결하여 상기 오일 분리 도관(10)(11)의 타단을 엔진(1)의 하방에 설치되는 밀폐형 포집통(12)에 연결하여서 된 것이다.The present invention connects the bleeder hose 4 between the rocker cover 2 and the intake conduit 3 of the engine 1 as shown in FIG. 1 and at the same time the rocker cover 2 and the surge tank 5. ) Between PCV In connecting the ventilation hose 6 provided with the valve 7, the oil separation conduits 10 and 11 are connected to the bleeder hose 4 and the ventilation hose 6. The other end of 10) (11) is connected to the hermetic collector 12 provided below the engine 1.

이상과 같은 본 고안은 엔진의 운전조건 즉 인테이크 매니폴드의 진공도에 따라 P.C.V 밸브(7)가 개방됨과 동시에 블리더 호스(4)를 통하여 록커 커버(2)에 유입되는 신기와 혼합된 블로바이 가스가 벤틸레이션 호스(6)를 통하여 서지 탱크(5)에공급되는 것은 종래와 동일하나, 인테이크 매니폴드의 진공도가 낮거나 적당하여 P.C.V 밸브(7)가 적당한 작동을 하거나 가벼운 작동을 할 때는 진공통로가 크므로 오일이 포함된 블로바이 가스가 벤틸레이션 호스(6)를 경유하여 서지 탱크(5)로 이송되는 도중에 오일은 오일 분리 도관(10)에서 분리되어 포집통(12)에 낙하되고 순수한 블로바이 가스만이 서지 탱크(5)에 공급되는 것이다.According to the present invention as described above, the blow-by gas mixed with the new air flowing into the locker cover 2 through the bleeder hose 4 while the PCV valve 7 is opened in accordance with the engine operating conditions, that is, the vacuum degree of the intake manifold. The supply to the surge tank 5 through the ventilation hose 6 is the same as in the related art. However, when the intake manifold has a low or moderate vacuum, the PCV valve 7 performs a proper or light operation. Since the oil-containing blow-by gas is transferred to the surge tank 5 via the ventilation hose 6, the oil is separated from the oil separation conduit 10, falls into the collecting container 12, and is purely blown. Only the bi gas is supplied to the surge tank 5.

한편 인테이크 매니폴드의 진공도가 높아서 P.C.V 밸브(7)가 완전 작동 할때는 진공통로가 작으므로 오일이 포함된 블로바이 가스는 블리더 호스(4)를 통하여 흡기 도관(3)으로 역류하는 바, 이 때에는 오일 분리 도관(11)에서 분리되어 포집 탱크(12)에 모이게 되는 것이다.On the other hand, since the vacuum of the intake manifold is high and the vacuum passage is small when the PCV valve 7 is fully operated, the oil-containing blow-by gas flows back into the intake conduit 3 through the bleeder hose 4. It is separated from the oil separation conduit 11 and collected in the collection tank 12.

상기한 바와 같이 블로바이 가스 중에 포함된 오일을 분리하여 순수한 블로바이 가스만을 연소실에 공급하므로서 흡기계에 고형 퇴적물의 퇴적이 억제되어 충전효율이 저하되지 않고 보기의 이상 작동이 방지되며, 유해 배기가스의 배출이 저감되는 것이다.As described above, by separating the oil contained in the blow-by gas and supplying only the pure blow-by gas to the combustion chamber, the deposition of solid deposits on the intake system is suppressed, so that the filling efficiency is not lowered and abnormal operation of the bogie is prevented. Emissions are reduced.

한편 포집통(12)에 모인 오일을 일정주기마다 포집통(12)을 분리하여 재사용하거나 폐기 조치하는 것이다.Meanwhile, the oil collected in the collecting container 12 is reused or disposed of by separating the collecting container 12 at regular intervals.

이상과 같이 본 고안은 록커 커버에서 오일이 포함된 블로바이 가스가 흡기계에 흡입되기 전에 오일을 분리하여 흡기계에 고형 퇴적물의 퇴적을 억제하므로서 충전효율이 저하되지 않고, 보기의 이상 작동이 방지되며, 오일은 연소시키지 않으므로 유해 가스의 배출이 저감될 뿐만 아니라 블로바이 가스에 의하여 열화(劣化)된 오일은 열화되지 않은 오일에 혼합되지 않기 때문에 오일의 사용수명을 연장하고 윤활작용을 양호하게 수행할 수 있는 것이다.As described above, the present invention separates the oil before the blow-by gas containing the oil from the rocker cover is sucked into the intake system, thereby suppressing the deposition of solid deposits on the intake system, thereby reducing the filling efficiency and preventing abnormal operation of the bogie. Since the oil does not burn, the emission of harmful gases is not only reduced, but the oil deteriorated by the blow-by gas is not mixed with the undegraded oil, thus extending the service life of the oil and performing good lubrication. You can do it.

Claims (1)

엔진의 록커 커버와 흡기 도관 사이에 블리더 호스를 연결함과 동시에 록커 커버와 서지 탱크 사이에 P.C.V. 밸브가 설치된 벤틸레이션 호스를 연결한 것에 있어서, 상기 블리더 호스와 벤틸레이션 호스에 각각 오일 분리 도관을 연결하여 상기 오일 분리 도관의 타단을 엔진의 하방에 설치되는 밀폐형 포집통에 연결하여서 된 자동차의 블로바이 가스포집구조.Connect the bleeder hose between the engine's rocker cover and the intake conduit and at the same time between the rocker cover and the surge tank. In connecting a ventilation hose provided with a valve, an oil separation conduit is connected to the bleeder hose and the ventilation hose, respectively, and the other end of the oil separation conduit is connected to a hermetic collector installed under the engine. Blow-by gas collection structure.
KR2019970039299U 1997-12-20 1997-12-20 Blow-by gas spoof structure of car Expired - Fee Related KR200228006Y1 (en)

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Application Number Priority Date Filing Date Title
KR2019970039299U KR200228006Y1 (en) 1997-12-20 1997-12-20 Blow-by gas spoof structure of car

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KR200228006Y1 true KR200228006Y1 (en) 2001-10-25

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