KR19980053114A - Engine cooling system that dualizes the cooling structure of cylinder head and cylinder block - Google Patents
Engine cooling system that dualizes the cooling structure of cylinder head and cylinder block Download PDFInfo
- Publication number
- KR19980053114A KR19980053114A KR1019960072164A KR19960072164A KR19980053114A KR 19980053114 A KR19980053114 A KR 19980053114A KR 1019960072164 A KR1019960072164 A KR 1019960072164A KR 19960072164 A KR19960072164 A KR 19960072164A KR 19980053114 A KR19980053114 A KR 19980053114A
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- cylinder
- cylinder block
- cylinder head
- cooling
- block
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
본 발명의 목적은 불필요한 엔진 냉각에 따른 출력 손실을 없애 실질적인 엔진성능 향상을 가져오도록 실린더헤드와 실린더블록의 냉각구조를 이원화해 각기 냉각매질을 달리한 엔진 냉각시스템을 제공하는데 있다.It is an object of the present invention to provide an engine cooling system in which the cooling structures of the cylinder head and the cylinder block are dualized so that the cooling structure of the cylinder head and the cylinder block are dualized to remove power loss due to unnecessary engine cooling, thereby realizing an improvement in engine performance.
상기한 목적을 달성하기 위하여 본 발명은 실린더헤드와 실린더블록의 냉각구조에 있어서, 상기 실린더헤드와 실린더블록의 냉각구조를 단절하여 상기 실린더헤드는 워터펌프에 의해 급송되는 냉각수로 냉각하며, 상기 실린더블록에는 열변형에 강한 강철재의 실린더라이너를 끼워넣은 후 상기 실린더블록의 워터재킷에 오일펌프 가동에 의해 오일을 순환시켜 냉각시키게 되는 것을 특징으로 한다.In order to achieve the above object, the present invention provides a cooling structure of a cylinder head and a cylinder block, by cutting off the cooling structure of the cylinder head and the cylinder block, the cylinder head is cooled by cooling water fed by a water pump, and the cylinder After inserting a cylinder liner made of steel resistant to heat deformation, the block is cooled by circulating oil by operating an oil pump in the water jacket of the cylinder block.
Description
본 발명은 실린더헤드와 실린더블록의 냉각구조를 이원화한 엔진 냉각시스템에 관한 것이다.The present invention relates to an engine cooling system that dualizes the cooling structure of a cylinder head and a cylinder block.
실린더블록과 실린더헤드는 2000℃ 이상의 고온의 연소가스에 직접 노출되어 있어 과열에 의한 열팽창으로 파손되는 것을 방지하기 위하여 도 2에 도시하는 것과 같이 실린더블록(10)과 실린더헤드(11)에 워터재킷(12)(13)을 형성하고 워터펌프를 구동시켜 냉각수를 강제 급송시키므로서 열교환을 통해 적정 온도로 냉각하게 된다.The cylinder block and the cylinder head are directly exposed to a combustion gas having a high temperature of 2000 ° C. or higher, and thus the water jacket is mounted on the cylinder block 10 and the cylinder head 11 as shown in FIG. 2 in order to prevent damage due to thermal expansion due to overheating. (12) (13) is formed, and the water pump is driven to forcibly feed the cooling water, thereby cooling to an appropriate temperature through heat exchange.
이때 실린더블록(10)의 워터재킷(13)과 실린더헤드(11)의 워터재킷(12)은 가스켓(14)을 관통하는 냉각수통로(15)에 의해 연통되어 있어 실린더블록(10)을 순환하면서 냉각시킨 냉각수가 상기 냉각수통로(15)를 통해 실린더헤드(11)의 워터재킷(12)내로 유입되어지도록 되어 있다.At this time, the water jacket 13 of the cylinder block 10 and the water jacket 12 of the cylinder head 11 communicate with each other by the cooling water passage 15 passing through the gasket 14, thereby circulating the cylinder block 10. The cooled cooling water flows into the water jacket 12 of the cylinder head 11 through the cooling water passage 15.
그러나 상기한 종래의 냉각구조에 의하면 실린더블록(10)과 실린더헤드(11) 모두를 냉각성이 강한 물을 이용하여 냉각시키게 되므로써 연소에너지가 냉각 손실로 낭비되는 비율이 높아 엔진 출력을 떨어뜨리게 되는 요인이 되고 있다.However, according to the conventional cooling structure, since both the cylinder block 10 and the cylinder head 11 are cooled by using highly water-cooling water, a high rate of waste energy is wasted due to cooling loss, thereby reducing engine output. It is becoming.
이에 본 발명은 상기한 문제점을 감안하여 제안된 것으로서 그의 목적으로 하는 것은 불필요한 엔진 냉각에 따른 출력 손실을 없애 실질적인 엔진성능 향상을 가져오도록 실린더헤드와 실린더블록의 냉각구조를 이원화해 각기 냉각매질을 달리한 엔진 냉각시스템을 제공하는데 있다.Accordingly, the present invention has been proposed in view of the above problems, and its purpose is to dualize the cooling structure of the cylinder head and the cylinder block so as to remove the power loss due to unnecessary engine cooling, thereby realizing the improvement of engine performance. To provide an engine cooling system.
상기한 목적을 달성하기 위하여 본 발명은 실린더헤드와 실린더블록의 냉각구조에 있어서, 상기 실린더헤드와 실린더블록의 냉각구조를 단절하여 상기 실린더헤드는 워터펌프에 의해 급송되는 냉각수로 냉각하며, 상기 실린더블록에는 열변형에 강한 강철재의 실린더라이너를 끼워넣은 후 상기 실린더블록의 워터재킷에 오일펌프 가동에 의해 오일을 순환시켜 냉각시키게 되는 것을 특징으로 한다.In order to achieve the above object, the present invention provides a cooling structure of a cylinder head and a cylinder block, by cutting off the cooling structure of the cylinder head and the cylinder block, the cylinder head is cooled by cooling water fed by a water pump, and the cylinder After inserting a cylinder liner made of steel resistant to heat deformation, the block is cooled by circulating oil by operating an oil pump in the water jacket of the cylinder block.
도1 은 본 발명에 의한 엔진냉각 시스템을 나타내는 도면.1 is a view showing an engine cooling system according to the present invention.
도 2는 종래 엔진 냉각구조를 나타내는 도면.2 is a view showing a conventional engine cooling structure.
*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *
1:실린더헤드2:실린더블록1: cylinder head 2: cylinder block
3:워터재킷4:오일재킷3: water jacket 4: oil jacket
5:오일펌프6:오일탱크5: oil pump 6: oil tank
7:오일쿨러8:실린더라이너7: Oil cooler 8: Cylinder liner
이하 본 발명의 구성과 작용을 첨부한 도면을 참조하여 설명한다.Hereinafter, the configuration and operation of the present invention will be described with reference to the accompanying drawings.
도 1은 본 발명에 의한 엔진 냉각시스템을 나타내는 도면으로 도면중 부호 1은 실린더헤드이며 부호 2는 실린더블록이다.1 is a view showing an engine cooling system according to the present invention, in which 1 is a cylinder head and 2 is a cylinder block.
상기 실린더헤드(1)에는 워터재킷(3)이 형성되고 실린더블록(2)에는 오일재킷(4)이 형성되어 있으며 양측의 재킷(3)(4)은 상호 단절되어 있다.A water jacket 3 is formed on the cylinder head 1, an oil jacket 4 is formed on the cylinder block 2, and the jackets 3 and 4 on both sides are disconnected from each other.
상기 워터재킷(3)에는 종래와 동일하게 워터펌프 구동에 의한 냉각수가 순환되며 오일재킷(4)은 오일펌프(5) 구동에 의해 오일탱크(6)로부터 오일이 순환되어 냉각한 후 오일쿨러(7)를 통해 냉각되는 순환과정을 반복하게 된다.Cooling water is circulated in the water jacket 3 by driving the water pump in the same manner as the conventional art, and the oil jacket 4 cools the oil by circulating the oil from the oil tank 6 by driving the oil pump 5 and then cools the oil cooler ( Repeat the cycle of cooling through 7).
그리고 상기 실린더블록(2)은 오일에 의해 냉각하게 되므로 냉각수에 의한 것보다 냉각 효과가 떨어지므로 실린더라이너(8)는 열변형에 강한 재질, 예를 들어 실린더블록(2)이 열전도성이 좋은 알루미늄 합금이나 주철재로 만드는데 비하여 강철재 등이나 고강도 주철을 사용하므로써 어느정도 열부하에도 변형되지 않고 견딜 수 있도록 구성되어 있다.In addition, since the cylinder block 2 is cooled by oil, the cooling effect is inferior to that of the coolant, and thus the cylinder liner 8 is made of a material resistant to heat deformation, for example, the cylinder block 2 is made of aluminum having good thermal conductivity. Compared with alloys or cast irons, steels or high-strength cast irons are used to withstand some heat loads.
이상과 같은 본 발명에 의하면 실린더라이너를 열팽창 및 열변형에 강한 특수재질로 형성하여 실린더블록에 끼워넣은 후 실린더블록의 냉각시스템을 실린더헤드와 분리시켜 오일을 순환시켜 냉각하며, 실린더헤드는 기존과 동일하게 냉각수에 의해 냉각시키게 되므로써 실린더블록의 불필요한 과냉을 방지하여 엔진 출력손실을 없애 엔진성능을 향상시키게 되며 또한 실린더헤드 가스켓을 관통하여 형성되는 냉각수통로가 불필요하여 엔진 구조가 간단해지고 가공비용이 절감되어지는 효과가 있다.According to the present invention as described above, the cylinder liner is formed of a special material resistant to thermal expansion and thermal deformation and inserted into the cylinder block, and then the cooling system of the cylinder block is separated from the cylinder head to circulate oil for cooling. In the same way, it is cooled by the coolant, which prevents unnecessary overcooling of the cylinder block, eliminating the engine output loss and improving the engine performance. Also, the coolant passage formed through the cylinder head gasket is unnecessary, which simplifies the engine structure and reduces the processing cost. It is effective.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960072164A KR19980053114A (en) | 1996-12-26 | 1996-12-26 | Engine cooling system that dualizes the cooling structure of cylinder head and cylinder block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960072164A KR19980053114A (en) | 1996-12-26 | 1996-12-26 | Engine cooling system that dualizes the cooling structure of cylinder head and cylinder block |
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| Publication Number | Publication Date |
|---|---|
| KR19980053114A true KR19980053114A (en) | 1998-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960072164A KR19980053114A (en) | 1996-12-26 | 1996-12-26 | Engine cooling system that dualizes the cooling structure of cylinder head and cylinder block |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010059849A (en) * | 1999-12-30 | 2001-07-06 | 이계안 | Cooling device of cylinder block |
| KR20200048578A (en) * | 2018-10-30 | 2020-05-08 | 현대자동차주식회사 | Cooling system for engine |
-
1996
- 1996-12-26 KR KR1019960072164A patent/KR19980053114A/en not_active Application Discontinuation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010059849A (en) * | 1999-12-30 | 2001-07-06 | 이계안 | Cooling device of cylinder block |
| KR20200048578A (en) * | 2018-10-30 | 2020-05-08 | 현대자동차주식회사 | Cooling system for engine |
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