KR100655609B1 - Vacuum chamber structure - Google Patents

Vacuum chamber structure Download PDF

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KR100655609B1
KR100655609B1 KR1020040110860A KR20040110860A KR100655609B1 KR 100655609 B1 KR100655609 B1 KR 100655609B1 KR 1020040110860 A KR1020040110860 A KR 1020040110860A KR 20040110860 A KR20040110860 A KR 20040110860A KR 100655609 B1 KR100655609 B1 KR 100655609B1
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South Korea
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chamber
pcv
connection
passage
itc
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KR1020040110860A
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Korean (ko)
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KR20060072296A (en
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추동호
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현대자동차주식회사
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/0011—Breather valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00—Crankcase ventilating or breathing
    • F01M2013/0038—Layout of crankcase breathing systems

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

Abstract

본 발명은 PCV 연결통로가 구비된 버큠챔버 구조에 관한 것으로서, 특히 버큠챔버의 상면에 형성된 보강리브 내에 블로우 바이 가스의 유동을위한 연결통로를 형성하고, 이 연결통로의 양측 끝단에 PCV 연결호스의 결합을 위한 제 1 및 제 2 니플을 형성하므로서, 버큠챔버의 후방에 이티씨가 위치하더라도 버큠챔버의 전방 일측에 위치하고 있는 PCV 밸브와 이티씨를 연결통로를 통해 연결호스로서 연결할 수 있도록 하여 이티씨의 전후방 위치에 관계없이 실린더헤드커버와 흡기계의 구조를 변경하지 않아도 되고, PCV 연결호스의 길이가 짧아져 NVH 특성이 향상되도록 한 PCV 연결통로가 구비된 버큠챔버 구조에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a burr chamber structure having a PCV connection passage, and in particular, to form a connection passage for the flow of blow-by gas in a reinforcing rib formed on an upper surface of the burr chamber, and to connect the PCV connection hose to both ends of the connection passage. By forming the first and second nipples for the coupling, even if it is located at the rear of the chamber, it is possible to connect the PCV valve located at the front side of the chamber and the ITC as a connection hose through the connection passage. Regardless of the front and rear positions, it is not necessary to change the structure of the cylinder head cover and the intake machine, and the length of the PCV connection hose is shortened to a chamber structure with a PCV connection passage to improve the NVH characteristics.

PCV, 버큠챔버, 연결통로, 니플, 블로우바이가스, PCV밸브PCV, blow chamber, connecting passage, nipple, blow-by gas, PCV valve

Description

피시브이 연결통로가 구비된 버큠 챔버 구조{Vacuum chamber structure}Vacuum chamber structure with passive connecting passage

도 1 은 본 발명의 PCV 연결통로가 구비된 버큠 챔버 구조를 보인 도면.1 is a view showing a vacuum chamber structure having a PCV connection passage of the present invention.

도 2 는 종래의 버큠챔버 구조를 보인 도면.Figure 2 shows a conventional chamber chamber structure.

도 3 은 종래기술의 문제점을 설명하기 위한 도면.Figure 3 is a view for explaining the problems of the prior art.

※ 도면의 주요부분에 대한 부호의 설명※ Explanation of code for main part of drawing

1 : 실린더헤드 2 : PCV 밸브1: Cylinder head 2: PCV valve

3 : 이티씨(ETC) 6 : PCV 연결호스3: ETC 6: PCV connection hose

10 : 버큠챔버 11 : 보강리브 10: holding chamber 11: reinforcing rib

12 : 연결통로 13 : 제 1 니플12: connecting passage 13: first nipple

14 : 제 2 니플14: second nipple

본 발명은 PCV 연결통로가 구비된 버큠챔버 구조에 관한 것으로서, 특히 버큠챔버의 후방에 이티씨가 위치하더라도 버큠챔버의 전방 일측에 위치하고 있는 PCV 밸브와 이티씨를 연결통로를 통해 연결호스로서 연결할 수 있도록 하여 이티씨의 전후방 위치에 관계없이 실린더헤드커버와 흡기계의 구조를 변경하지 않아도 되고, PCV 연결호스의 길이가 짧아져 NVH 특성이 향상되도록 한 PCV 연결통로가 구비된 버큠챔버 구조에 관한 것이다.The present invention relates to a chamber structure having a PCV connection passage, and in particular, even if it is located at the rear of the chamber, the PCV valve located at one front side of the chamber chamber and itc can be connected as a connection hose through the connection passage. Therefore, it is not necessary to change the structure of the cylinder head cover and the intake machine irrespective of the position of the front and rear of TYC, and it is related to the vacuum chamber structure provided with the PCV connection passage which shortens the length of the PCV connection hose and improves the NVH characteristics.

도 2 는 종래 엔진의 흡기계를 도시한 것으로서,2 illustrates an intake system of a conventional engine,

버큠챔버(5)의 양측으로 실린더헤드커버(1)가 형성되어 있고, 상기 버큠챔버(5)의 전방에 이티씨(3)가 설치되어 있으며, 일측의 실린더헤드커버(1)에는 PCV 밸브(2)가 형성되고, 상기 PCV 밸브(2)와 이티씨(3)의 접속니플을 PCV연결호스(6)가 연결하고 있다.The cylinder head cover 1 is formed at both sides of the chamber chamber 5, the itc 3 is provided in front of the chamber chamber 5, and the cylinder head cover 1 at one side is provided with a PCV valve ( 2) is formed, and the PCV connecting hose 6 connects the connection nipple between the PCV valve 2 and the ITC 3.

상기 PCV 밸브(2)는 일명 퍼지콘트롤밸브라고 하는 것으로서 크랭크케이스 내부로 침투한 미연소가스를 이티씨(3)를 통해 다시 연소실로 재공급하는 기능을 가지고 있으며, 상기 이티씨(3)는 전자제어되는 스로틀바디를 나타낸다.The PCV valve 2 is called a purge control valve, and has a function of supplying the unburned gas penetrated into the crankcase back to the combustion chamber through the ITC 3, and the ITC 3 is electronic Represents a controlled throttle body.

그리고, 실린더가 8개인 V8 엔진의 경우에는 차량의 레이아웃에 따라 상기 이티씨(3)가 버큠챔버(5)의 전방 또는 후방에 선택적으로 위치하게된다.In the case of the V8 engine having eight cylinders, the ITC 3 is selectively positioned in front of or behind the vent chamber 5 according to the layout of the vehicle.

상기 이티씨(3)가 버큠챔버(5)의 전방에 위치하고 있을 경우는 PCV밸브(2)와 이티씨(3)의 접속니플이 근접하게되어 짧은 길이의 PCV 연결호스(6)로서 간단하게 연결할 수 있게되지만, 도 3 과같이 이티씨(3)가 버큠챔버(5)의 후방에 위치하고 있을 경우에는 도면과같이 PCV밸브(2)와 이티씨(3)의 접속니플이 멀리 떨어져있게되어 긴 PCV연결호스(6)를 이용하여 서로 연결해야만 하므로 자체 진동에 의해 블로우 바이 가스의 흐름에 악영향을 끼치게되는 문제점이 발생하고 있었다.When the ITC 3 is located in front of the holding chamber 5, the connection nipple of the PCV valve 2 and the ITC 3 is close to each other and is easily connected as a short length PCV connection hose 6. However, when the ITC 3 is located at the rear of the chamber 5 as shown in FIG. 3, the connection nipple of the PCV valve 2 and the ITC 3 is far apart as shown in the drawing. Since the connection hose 6 must be connected to each other, a problem occurs that adversely affects the flow of blow-by gas due to its own vibration.

또한 길이가 긴 PCV연결호스(6)를 잡아주기 위한 클램프를 여러곳에 설치해야만 하는 등 레이아웃이 복잡해지는 문제점이 발생하고 있었다.In addition, there has been a problem that the layout becomes complicated, such as the need to install a clamp for holding the long PCV connection hose (6) in several places.

따라서, 상기 문제점을 해결하기 위한 본 발명은 버큠챔버의 상면에 형성된 보강리브 내에 블로우 바이 가스의 유동을위한 연결통로를 형성하고, 이 연결통로의 양측 끝단에 PCV 연결호스의 결합을 위한 제 1 및 제 2 니플을 형성하므로서, 버큠챔버의 후방에 이티씨가 위치하더라도 버큠챔버의 전방 일측에 위치하고 있는 PCV 밸브와 이티씨를 연결통로를 통해 연결호스로서 연결할 수 있도록 하여 이티씨의 전후방 위치에 관계없이 실린더헤드커버와 흡기계의 구조를 변경하지 않아도 되고, PCV 연결호스의 길이가 짧아져 NVH 특성이 향상되도록 한 PCV 연결통로가 구비된 버큠챔버 구조를 제공함을 목적으로 한다.Accordingly, the present invention for solving the above problems is to form a connection passage for the flow of blow-by gas in the reinforcing rib formed on the upper surface of the chamber chamber, the first and second coupling for connecting the PCV connection hose at both ends of the connection passage; By forming the second nipple, even if it is located at the rear of the chamber, it is possible to connect the PCV valve located at the front side of the chamber and ICT as a connecting hose through the connecting passage so that the cylinder is irrespective of the position of the front and rear of it. It is not necessary to change the structure of the head cover and the intake system, and the purpose of the present invention is to provide a burr chamber structure equipped with a PCV connection passage for shortening the length of the PCV connection hose to improve NVH characteristics.

상기 목적달성을 위한 본 발명은,The present invention for achieving the above object,

버큠챔버의 양측에 그 일단에 PCV밸브가 구비된 실린더헤드커버가 형성되고, 버큠챔버의 전방 또는 후방에 이티씨가 형성되는 버큠챔버구조에 있어서,A cylinder chamber cover having a PCV valve at one end thereof is formed on both sides of the cylinder chamber, and in the chamber chamber structure in which itiC is formed at the front or rear of the chamber chamber.

상기 버큠챔버의 상면에 형성된 보강리브 내에 버큠챔버의 전방과 후방을 연결하는 블로우바이가스 연결통로를 형성하고, 상기 연결통로의 양측 끝단부에 각각 PCV 연결호스의 연결을 위한 제 1 및 제 2 니플을 형성한 것을 특징으로 한다.A blow-by-gas connecting passage is formed in the reinforcing rib formed on the upper surface of the chamber to connect the front and rear of the chamber, and first and second nipples for connecting the PCV connection hoses to both ends of the connection passage, respectively. Characterized in that formed.

이하 첨부된 도면 도 1 을 참조하여 본 발명의 바람직한 실시예를 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

본 발명의 설명에 있어서 종래와 동일한 구성요소에 대해서는 동일부호 표기 하여 중복설명을 피하기로 한다.In the description of the present invention, the same components as in the prior art will be denoted by the same reference numerals to avoid redundant description.

도면부호 10 은 버큠챔버를 나타내고, 이 버큠챔버(10)의 상면에는 보강리브(11)가 형성되어 있다.Reference numeral 10 denotes a vacuum chamber, and a reinforcing rib 11 is formed on the upper surface of the vacuum chamber 10.

본 발명에서는 상기 보강리브(11)에 버큠챔버(10)의 전방과 후방을 연결하는 연결통로(12)를 형성한다.In the present invention, the reinforcing rib (11) forms a connecting passage (12) for connecting the front and rear of the holding chamber (10).

상기 연결통로(12)는 도면에 도시된 바와같이 블로우 바이 가스가 유동할 수 있도록 보강리브(11) 내에 형성되며, 상기 연결통로(12)의 양측 끝단부에 각각 제 1 니플(13)과 제 2 니플(14)을 형성한다.The connecting passage 12 is formed in the reinforcing rib 11 to allow the blow-by gas to flow as shown in the drawing, and the first nipple 13 and the first nipple 13 and the second end of the connecting passage 12 are respectively formed. 2 nipples 14 are formed.

따라서, 이티씨(3)가 도 1 과같이 버큠챔버(5)의 후방에 형성되어 있을 경우 제 1 니플(13)과 PCV밸브(2)를 PCV연결호스(6)로서 연결하고, 상기 제 2 니플(14)과 이티씨(3)의 접속니플을 또다른 PCV연결호스(6)로서 연결하므로서, 상기 PCV밸브(2)로부터 배출된 블로우바이가스가 PCV연결호스(6)와 연결통로(12)를 통해 이티씨(3)로 공급되어 엔진의 연소실로 재공급되는 것이다.Therefore, when the itc 3 is formed at the rear of the vacuum chamber 5 as shown in FIG. 1, the first nipple 13 and the PCV valve 2 are connected as the PCV connecting hose 6, and the second By connecting the nipple (14) and the nipple (3) connecting nipple as another PCV connecting hose (6), the blow-by gas discharged from the PCV valve (2) is connected to the PCV connecting hose (6) and the connecting passage (12) It is supplied to the itty C (3) to be supplied back to the combustion chamber of the engine.

상기 설명과같이 이티씨(3)가 버큠챔버(5)의 후방에 위치하더라도 짧은 길이의 PCV연결호스(6)로서 PCV밸브(2)와 연결함에 따라 PCV 연결호스(6)가 타부품과 간섭되지 않으며, 엔진의 진동에 의한 호스의 진동 및 맥동현상을 방지할 수 있게되어 블로우바이가스의 원활한 흐름을 유도할 수 있게된다.As described above, even if the ITC 3 is located at the rear of the chamber chamber 5, the PCV connection hose 6 interferes with other components as the PCV valve 2 is connected as the short length PCV connection hose 6. In addition, the vibration and pulsation of the hose due to the vibration of the engine can be prevented, so that the smooth flow of blow-by gas can be induced.

한편, 상기 이티씨(3)가 버큠챔버(5)의 전방(A)에 위치할 경우에는 상기 연결통로(12)를 이용하지 않고 종래와같이 PCV밸브(2)와 이티씨(3)의 접속니플을 연결호스(6)로서 직접 연결하면 되는 것이다. On the other hand, when the itc 3 is located at the front A of the chamber chamber 5, the PCV valve 2 and the itc 3 are connected as in the prior art without using the connection passage 12. The nipple can be connected directly as a connection hose (6).

이상에서 설명한 바와같이 본 발명은 버큠챔버의 상면에 형성된 보강리브 내에 블로우 바이 가스의 유동을위한 연결통로를 형성하고, 이 연결통로의 양측 끝단에 PCV 연결호스의 결합을 위한 제 1 및 제 2 니플을 형성하므로서, 버큠챔버의 후방에 이티씨가 위치하더라도 버큠챔버의 전방 일측에 위치하고 있는 PCV 밸브와 이티씨를 연결통로를 통해 연결호스로서 연결할 수 있도록 하여 이티씨의 전후방 위치에 관계없이 실린더헤드커버와 흡기계의 구조를 변경하지 않아도 되고, PCV 연결호스의 길이가 짧아져 NVH 특성이 향상되도록 한 PCV 연결통로가 구비된 버큠챔버 구조를 제공하는 효과를 기대할 수 있다.As described above, the present invention forms a connecting passage for the flow of blow-by gas in the reinforcing rib formed on the upper surface of the chamber, and the first and second nipples for coupling the PCV connecting hose to both ends of the connecting passage. Thus, even if it is located at the rear of the chamber, the PCV valve and it is located at the front side of the chamber so that it can be connected as a connection hose through the connecting passage so that the cylinder head cover and It is not necessary to change the structure of the intake machine, and the effect of providing a burst chamber structure with a PCV connection passage for shortening the length of the PCV connection hose to improve NVH characteristics can be expected.

Claims (1)

버큠챔버(10)의 양측에 그 일단에 PCV밸브(2)가 구비된 실린더헤드커버(1)가 형성되고, 버큠챔버(10)의 전방 또는 후방에 ETC(3)가 위치되는 버큠챔버 구조에 있어서;On both sides of the chamber 10, a cylinder head cover 1 having a PCV valve 2 is formed at one end thereof, and the cylinder chamber structure in which the ETC 3 is located at the front or rear of the chamber 10 is provided. In; 상기 버큠챔버(10)의 상면에 형성된 보강리브(11) 내에 버큠챔버(10)의 전방과 후방을 연결하는 블로우바이가스 연결통로(12)를 형성하고, 상기 연결통로(12)의 양측 끝단부에 각각 PCV 연결호스(6)의 연결을 위한 제 1 및 제 2 니플(13,14)을 형성하되,A blow-by gas connecting passage 12 is formed in the reinforcing rib 11 formed on the upper surface of the chamber 10 to connect the front and rear of the chamber 10, and both ends of the connecting passage 12 are formed. First and second nipples (13, 14) for the connection of the PCV connecting hose (6), respectively, 상기 이티씨(3)가 버큠챔버(5)의 후방에 위치되는 경우에 블로우바이가스 연결통로(12)를 이용하여 제 1 니플(13)과 PCV밸브(2)를 PCV 연결호스(6)로서 연결하고, 상기 제 2 니플(14)과 이티씨(3)의 접속니플을 또 다른 PCV 연결호스(6)로서 연결하며,When the itc 3 is located at the rear of the vent chamber 5, the first nipple 13 and the PCV valve 2 are used as the PCV connection hose 6 using the blow-by gas connecting passage 12. Connecting the second nipple 14 and the connection nipple of the ITC 3 as another PCV connection hose 6, 상기 이티씨(3)가 버큠챔버(5)의 전방에 위치되는 경우에 상기 연결통로(12)를 이용하지 않고 PCV밸브(2)와 이티씨(3)의 접속니플을 연결호스(6)로서 직접 연결하는 것을 특징으로 하는 PCV 연결통로가 구비된 버큠챔버 구조.When the itc 3 is located in front of the vacuum chamber 5, the connection nipple of the PCV valve 2 and the itc 3 is used as the connection hose 6 without using the connection passage 12. A chamber structure having a PCV connection passage, characterized in that the direct connection.
KR1020040110860A 2004-12-23 2004-12-23 Vacuum chamber structure KR100655609B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100828860B1 (en) 2007-06-08 2008-05-09 현대자동차주식회사 Pcsv built in throttle body

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100828860B1 (en) 2007-06-08 2008-05-09 현대자동차주식회사 Pcsv built in throttle body

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