KR100716232B1 - Sealing structure of oil filter for engine - Google Patents

Sealing structure of oil filter for engine Download PDF

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Publication number
KR100716232B1
KR100716232B1 KR1020040082310A KR20040082310A KR100716232B1 KR 100716232 B1 KR100716232 B1 KR 100716232B1 KR 1020040082310 A KR1020040082310 A KR 1020040082310A KR 20040082310 A KR20040082310 A KR 20040082310A KR 100716232 B1 KR100716232 B1 KR 100716232B1
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South Korea
Prior art keywords
housing
ring
engine oil
filter paper
engine
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KR1020040082310A
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Korean (ko)
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KR20060033290A (en
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최승우
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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
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
    • 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
    • F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
    • F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
    • F01M2011/031—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means characterised by mounting means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces

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

Abstract

엔진 오일필터의 실링구조가 개시된다. 개시된 엔진 오일필터의 실링구조는, 하우징과; 상기 하우징 내에 유입된 오염된 엔진오일을 여과하는 여과지와; 상기 여과지의 상부 및 하부에 배치되어 상기 여과지를 상기 하우징에 고정시키는 상부 및 하부고정부재와; 상기 상부 및 하부고정부재의 저부에 배치되어 상기 하우징 외부로 여과되지 않은 엔진오일이 누출되지 않도록 하는 누출방지용 오링과; 상기 누출방지용 오링의 일측을 구속하여 실링이 이루어지도록 하며 상기 하우징에 돌출 형성된 제1돌기와; 상기 상부 및 하부고정부재의 저부에 돌출 형성되어 상기 누출방지용 오링의 타측을 구속하는 제2돌기와; 상기 누출방지용 오링 및 상기 상부 및 하부고정부재를 지지하기 위해 상기 누출방지용 오링 및 상기 제2돌기의 하부를 지지하며 상기 하우징에 설치된 지지부재;를 포함하는 것을 그 특징으로 한다.A sealing structure of an engine oil filter is disclosed. The sealing structure of the disclosed engine oil filter includes a housing; A filter paper for filtering contaminated engine oil introduced into the housing; Upper and lower fixing members disposed on upper and lower portions of the filter paper to fix the filter paper to the housing; A leakage preventing o-ring disposed at a bottom of the upper and lower fixing members to prevent leakage of engine oil not filtered out of the housing; A first protrusion configured to constrain one side of the leak-prevention O-ring to seal and to protrude in the housing; A second protrusion protruding from a bottom of the upper and lower fixing members to restrain the other side of the leakage preventing O-ring; And a support member supporting the lower portion of the leakage preventing o-ring and the second protrusion and installed in the housing to support the leakage preventing o-ring and the upper and lower fixing members.

본 발명에 따르면, 엔진의 총체적인 폐일(total fail)을 미연에 방지할 수 있는 이점이 있다.According to the present invention, there is an advantage that can prevent the total failure of the engine in advance.

엔진 오일필터, 여과지, 오링Engine oil filter, filter paper, O-ring

Description

엔진 오일필터의 실링구조{SEALING STRUCTURE OF OIL FILTER FOR ENGINE}Sealing structure of engine oil filter {SEALING STRUCTURE OF OIL FILTER FOR ENGINE}

도 1은 종래의 기술에 따른 엔진 오일필터의 구성을 개략적으로 나타내 보인 도면.1 is a view schematically showing the configuration of an engine oil filter according to the prior art.

도 2는 본 발명에 따른 엔진 오일필터의 실링구조의 구성을 개략적으로 나타낸 구성도.Figure 2 is a schematic diagram showing the configuration of the sealing structure of the engine oil filter according to the present invention.

도 3은 도 2의 요부를 보다 상세하게 나타내 보인 상세도.Figure 3 is a detailed view showing the main portion of Figure 2 in more detail.

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

20. 여과지20. Filter paper

21a,21b. 하우징21a, 21b. housing

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22. 오링22.O-Ring

23. 상부고정부재
24. 하부고정부재23. Upper fixing member
24. Lower fixing member

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31. 지지부재31. Support member

32. 누출방지용 오링32. O-ring for leak prevention

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본 발명은 엔진 오일필터의 실링구조에 관한 것으로서, 보다 상세하게는 엔진의 오일필터 내의 여과지의 실링구조를 개선하여 실링(sealing) 성능을 향상시키기 위한 엔진 오일필터의 실링구조에 관한 것이다.The present invention relates to a sealing structure of an engine oil filter, and more particularly, to a sealing structure of an engine oil filter for improving sealing performance of a filter paper in an oil filter of an engine to improve sealing performance.

일반적으로 자동차 등의 동력원으로 사용되는 내연기관은 각 회전부 및 마찰부 등 접동부의 원활한 작동을 위해 윤활유인 엔진오일을 반드시 사용하게 된다.In general, an internal combustion engine used as a power source of an automobile, etc., necessarily uses engine oil, which is a lubricating oil, for smooth operation of sliding parts such as rotation parts and friction parts.

이러한 엔진오일은 엔진 저부의 오일팬에 저장되어 있다가 오일펌프의 펌핑에 의해 엔진 오일필터를 거쳐 여과된 후, 엔진 각 부에 복잡하게 형성된 윤활회로를 따라 엔진의 각 접동부에 공급되어 윤활 작용을 한다. 그런 후, 엔진의 마모분 등 오염물질을 포함한 상태로 다시 오일팬으로 회수된다.The engine oil is stored in the oil pan at the bottom of the engine, filtered through the engine oil filter by the pump of the oil pump, and then supplied to each sliding part of the engine along the lubrication circuit complexly formed at each engine part to lubricate the oil. Do it. Thereafter, the oil pan is returned to the oil pan while containing contaminants such as engine wear.

이러한 일련의 과정에서 엔진의 각 접동부에서 발생한 쇳가루나 연소에 의해 발생한 카본뿐만 아니라 오일의 열화 및 노화로 발생한 산화물, 흡입 공기와 함께 실린더로 들어와 오일에 끼어 든 먼지 등의 오염물질을 여과해서 엔진오일을 항상 깨끗한 상태로 유지시키는 장치가 바로 엔진 오일필터이다.In this series of processes, contaminants such as dust generated by oil and combustion from each sliding part of the engine, as well as oxides caused by oil deterioration and aging, and contaminants such as dust entering the cylinder along with the intake air are filtered. It is the engine oil filter that keeps the oil clean at all times.

이러한 엔진 오일필터는 대형엔진의 경우에는 여과지만 교환하여 사용하나 일반적인 중소형 엔진의 경우에는 하우징을 비롯한 전체를 교환하여 사용하는데 그 구성은 도 1에 도시된 바와 같다.The engine oil filter is used to replace only the filtration in the case of a large engine, but in the case of a general small and medium-sized engine is used to replace the whole, including the housing, the configuration is shown in FIG.

도 1을 참조하면, 하우징(11) 내부에 여과지(10)가 구비된 엔진 오일필터는 엔진의 프론트 케이스에 결합되어 오일펌프(미도시)로부터 펌핑된 오염된 엔진오일을 하우징(11)내로 인입시키게 된다. Referring to FIG. 1, an engine oil filter having a filter paper 10 inside a housing 11 is coupled to a front case of an engine to introduce contaminated engine oil pumped from an oil pump (not shown) into the housing 11. Let's go.

상기 하우징(11)은 상부하우징(11a)과 하부하우징(11b)이 결합되어 이루어지고, 이렇게 결합되는 결합부에는 누유를 방지하기 위한 오링(12)이 설치된다.The housing 11 is formed by combining the upper housing 11a and the lower housing 11b, and the coupling portion coupled to the housing 11 is provided with an o-ring 12 for preventing leakage.

또한 상기 하우징(11) 내부에는 오염된 오일을 여과하는 여과지(10)가 구비되는데, 이 여과지(10)는 일반적으로 종이 재질의 여과지가 사용된다.In addition, the housing 11 is provided with a filter paper 10 for filtering contaminated oil, the filter paper 10 is generally used for the paper filter paper.

그리고 상기 여과지(10)의 상하면에 상부고정부재(13)와, 하부고정부재(14)가 설치된다. 또한 상기 하우징의 중앙으로 밸브(16)가 형성되고, 상기 하우징(10)과의 사이에는 탄성부재(17)와 지지부재(15)가 삽입되어 하우징(10) 내부의 구성요소를 지지하게 된다.An upper fixing member 13 and a lower fixing member 14 are disposed on upper and lower surfaces of the filter paper 10. In addition, the valve 16 is formed in the center of the housing, the elastic member 17 and the support member 15 is inserted between the housing 10 to support the components inside the housing 10.

한편, 도 1에서 설명되지 않은 참조부호 18은 오일필터 코어를 나타내 보인 것이다.Meanwhile, reference numeral 18 not illustrated in FIG. 1 represents an oil filter core.

이와 같이 구성된 엔진 오일필터는 오염된 엔진오일을 하우징(10) 내로 유입하고, 유입된 엔진오일은 여과지(10)를 통과하면서 여과된 후, 윤활회로로 공급된다.The engine oil filter configured as described above introduces contaminated engine oil into the housing 10, and the introduced engine oil is filtered while passing through the filter paper 10 and then supplied to the lubrication circuit.

그런데, 상기와 같은 종래의 기술에 따른 엔진 오일필터의 실링구조가 하면 접촉 구조로 되어 있고, 여과지(10)의 변형과 초기 제작 공차의 작고 큼에 따라 완 벽한 실링을 할 수 없다.By the way, the sealing structure of the engine oil filter according to the prior art as described above has a contact structure, and the perfect sealing is not possible due to the deformation of the filter paper 10 and the small and large initial manufacturing tolerances.

그리고 고열 및 고압에 의해 여과지가 변형을 일으키게 되고, 여과지(10)가 초기 상태 대비 수축하게 되면 도 1에서 참조부호 'A'로 도시된 바와 같이, 상기 하우징(11)의 바닥면과 여과지(10) 실링면이 떨어지게 되어 여과되지 않은 오일이 엔진 내로 유입된다. When the filter paper is deformed by high temperature and high pressure, and the filter paper 10 shrinks relative to the initial state, as shown by reference numeral 'A' in FIG. 1, the bottom surface of the housing 11 and the filter paper 10 ) The sealing surface falls and unfiltered oil flows into the engine.

이와 같이 여과되지 않는 오일이 엔진 내부로 유입되는 경우, 엔진 총체적인 폐일(total fail)을 일으켜 치명적인 문제가 발생할 수 있다.If such unfiltered oil is introduced into the engine, a fatal problem may occur due to a total failure of the engine.

본 발명은 상기와 같은 문제점을 해결하기 위하여 창출된 것으로서, 높이 방향으로 실링구조를 변경하여 여과지 변형에 의한 여과되지 않은 더러운 오일 유입을 전부 차단하여 결국, 엔진 전체에 폐일 발생이 방지되도록 한 엔진 오일필터의 실링구조를 제공하는데 그 목적이 있다.The present invention was created in order to solve the above problems, by changing the sealing structure in the height direction to block all unfiltered dirty oil inflow due to filter paper deformation, and eventually, the engine oil to prevent the generation of waste throughout the engine The purpose is to provide a sealing structure of the filter.

상기와 같은 목적을 달성하기 위한 본 발명의 엔진 오일필터의 실링구조는, 하우징과; 상기 하우징 내에 유입된 오염된 엔진오일을 여과하는 여과지와; 상기 여과지의 상부 및 하부에 배치되어 상기 여과지를 상기 하우징에 고정시키는 상부 및 하부고정부재와; 상기 상부 및 하부고정부재의 저부에 배치되어 상기 하우징 외부로 여과되지 않은 엔진오일이 누출되지 않도록 하는 누출방지용 오링과; 상기 누출방지용 오링의 일측을 구속하여 실링이 이루어지도록 하며 상기 하우징에 돌출 형성된 제1돌기와; 상기 상부 및 하부고정부재의 저부에 돌출 형성되어 상기 누출방지용 오링의 타측을 구속하는 제2돌기와; 상기 누출방지용 오링 및 상기 상부 및 하부고정부재를 지지하기 위해 상기 누출방지용 오링 및 상기 제2돌기의 하부를 지지하며 상기 하우징에 설치된 지지부재;를 포함하는 것을 그 특징으로 한다.
이하, 첨부된 도면을 참조하여 본 발명에 따른 바람직한 실시예를 상세히 설명하기로 한다.Sealing structure of the engine oil filter of the present invention for achieving the above object, the housing; A filter paper for filtering contaminated engine oil introduced into the housing; Upper and lower fixing members disposed on upper and lower portions of the filter paper to fix the filter paper to the housing; A leakage preventing o-ring disposed at a bottom of the upper and lower fixing members to prevent leakage of engine oil not filtered out of the housing; A first protrusion configured to constrain one side of the leak-prevention O-ring to seal and to protrude in the housing; A second protrusion protruding from a bottom of the upper and lower fixing members to restrain the other side of the leakage preventing O-ring; And a support member supporting the lower portion of the leakage preventing o-ring and the second protrusion and installed in the housing to support the leakage preventing o-ring and the upper and lower fixing members.
Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

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도 2에는 본 발명의 일 실시예에 따른 엔진 오일필터의 실링구조의 구성을 개략적으로 나타낸 구성도가 도시되어 있고, 도 3에는 도 2의 요부를 보다 상세하게 나타내 보인 상세도가 도시되어 있다.2 is a schematic view showing the configuration of the sealing structure of the engine oil filter according to an embodiment of the present invention, Figure 3 is a detailed view showing the main portion of Figure 2 in more detail.

설명에 앞서, 일반적인 엔진 오일필터에 대한 구체적인 설명은 생략하기로 하고, 여기에서는 본 발명에 따른 엔진 오일필터의 실링구조의 특징적인 구성만을 설명하기로 한다.Prior to the description, a detailed description of the general engine oil filter will be omitted, and only the characteristic configuration of the sealing structure of the engine oil filter according to the present invention will be described.

도면을 각각 참조하면, 본 발명의 일 실시예에 따른 엔진 오일필터의 실링구조는, 오링(22)이 개재되어 상부 및 하부로 각각 나뉘어 결합된 하우징(21)(이하, 21a,21b로 함)과, 이 하우징(21a,21b) 내에 유입된 오염된 엔진오일을 여과하는 여과지(20)와, 이 여과지(20)의 상부 및 하부에 배치되어 여과지(20)를 하우징(21a,21b)에 고정시키는 상부 및 하부고정부재(23,24)와, 이 상부 및 하부고정부재(23,24)의 저부에 배치되어 하우징(21a,21b) 외부로 여과되지 않은 엔진오일이 누출되지 않도록 하는 누출방지용 오링(32)과, 이 누출방지용 오링(32) 및 상부 및 하부고정부재(23,24)를 지지하기 위해 누출방지용 오링(32) 및 후술하는 상부 및 하부고정부재(23,24)의 제2돌기(24a)의 하부를 지지하며 하우징(21a,21b)에 설치된 지지부재(31)를 포함하여 구성된다.Referring to each of the drawings, the sealing structure of the engine oil filter according to an embodiment of the present invention, the housing 21 (hereinafter referred to as 21a, 21b) is divided into the upper and lower parts through the O-ring 22 is interposed And a filter paper 20 for filtering contaminated engine oil introduced into the housings 21a and 21b and disposed above and below the filter paper 20 to fix the filter paper 20 to the housings 21a and 21b. The upper and lower fixing members 23 and 24 and the leakage preventing O-rings disposed at the bottom of the upper and lower fixing members 23 and 24 to prevent the engine oil not filtered out of the housings 21a and 21b from leaking. And the second projections of the leak-proof O-rings 32 and the upper and lower fixing members 23 and 24 described later to support the leak-proof O-rings 32 and the upper and lower fixing members 23 and 24. It comprises a support member 31 for supporting the lower portion of the (24a) and installed in the housing (21a, 21b).

상기 누출방지용 오링(32)의 일측을 구속하고 실링(sealing)이 이루어지도록 누출방지용 오링(32)의 일측으로 하우징(21a,21b)에는 제1돌기(21c)가 돌출 형성된다. 그리고 상기 상부 및 하부고정부재(23,24)의 저부에는 누출방지용 오링(32)의 타측을 구속하기 위한 제2돌기(24a)가 형성된다.The first protrusion 21c protrudes from the housing 21a and 21b to one side of the leakage preventing o-ring 32 to constrain one side of the leakage preventing o-ring 32 and seal the seal. A second protrusion 24a is formed at the bottom of the upper and lower fixing members 23 and 24 to restrain the other side of the leakage preventing O-ring 32.

또한 상기 여과지(20)와 폴리우레탄 또는 내열 플라스틱으로 성형된 상부 및 하부고정부재(23,24)는 예컨대, 열융착 방법에 의해 일체형으로 이루어진다.In addition, the filter paper 20 and the upper and lower fixing members 23 and 24 formed of polyurethane or heat-resistant plastics are integrally formed by, for example, a heat fusion method.

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한편, 도 2 및 도 3에서 설명되지 않은 참조부호 25, 26, 27 및 28은 지지부재, 밸브, 탄성부재 및 오일필터 코어를 나타내 보인 것이다.Meanwhile, reference numerals 25, 26, 27, and 28, which are not described in FIGS. 2 and 3, show support members, valves, elastic members, and oil filter cores.

상술한 바와 같은 구성을 갖는 본 발명에 따른 엔진 오일필터의 실링구조의 작용을 설명하면 다음과 같다.Referring to the operation of the sealing structure of the engine oil filter according to the present invention having the configuration as described above are as follows.

도면을 다시 참조하면, 본 발명에 따른 엔진 오일필터의 실링구조는, 종래의 하면 접촉구조에서 높이 방향으로 실링구조를 변경함으로써 여과지(20) 변형에 의한 오염된 오일의 누출을 완벽하게 차단하였다.Referring back to the drawings, the sealing structure of the engine oil filter according to the present invention completely blocked leakage of contaminated oil by deformation of the filter paper 20 by changing the sealing structure in the height direction from the conventional lower surface contact structure.

즉, 전술한 바와 같이 기존에 여과되지 않은 오염된 엔진오일이 누출되었던 여과지(20)를 고정하는 상부 및 하부고정부재(23,24)의 측면 및 저부를 완벽하게 실링을 하였다.That is, as described above, the side and the bottom of the upper and lower fixing members 23 and 24 fixing the filter paper 20 in which the contaminated engine oil, which has not been previously filtered, leaked, were completely sealed.

이를 구현하기 위하여 본 발명에 따른 실시예에서는 누출방지용 오링(32)을 배치하는 동시에 하우징(21a,21b)에는 제1돌기(21c)를 형성하고, 상부 및 하부고정부재(23,24)의 저부에는 제2돌기(24a)를 형성함으로써 완벽하게 오염된 엔진오일의 누출을 완벽하게 차단하게 되었다.In order to achieve this, in the embodiment according to the present invention, the leakage preventing O-ring 32 is disposed, and at the same time, the first protrusions 21c are formed in the housings 21a and 21b, and the bottoms of the upper and lower fixing members 23 and 24. By forming a second projection (24a) is to completely block the leakage of the engine oil completely contaminated.

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상술한 바와 같이 본 발명에 따른 엔진 오일필터의 실링구조는 다음과 같은 효과를 갖는다.As described above, the sealing structure of the engine oil filter according to the present invention has the following effects.

완벽한 실링을 위해 누출방지용 오링 등을 설치하여 완벽한 실링구조를 구현함으로써 오염된 오일이 엔진으로 유입되는 것을 사전에 방지할 수 있다.By installing leak-proof O-rings for the perfect sealing, a perfect sealing structure can be implemented to prevent contaminated oil from entering the engine.

따라서 종래와 같이 엔진오일 중 불순물 유입에 의한 엔진의 총체적인 폐일(total fail)을 미연에 방지할 수 있다.Therefore, the total fail of the engine due to the inflow of impurities in the engine oil can be prevented in advance.

본 발명은 도면에 도시된 일 실시예를 참고로 설명되었으나 이는 예시적인 것에 불과하며, 당해 기술 분야에서 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 실시예가 가능하다는 점을 이해할 것이다. 따라서 본 발명의 진정한 보호 범위는 첨부된 특허청구범위에 의해서만 정해져야 할 것이다.Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments are possible. Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

Claims (11)

하우징과;A housing; 상기 하우징 내에 유입된 오염된 엔진오일을 여과하는 여과지와;A filter paper for filtering contaminated engine oil introduced into the housing; 상기 여과지의 상부 및 하부에 배치되어 상기 여과지를 상기 하우징에 고정시키는 상부 및 하부고정부재와;Upper and lower fixing members disposed on upper and lower portions of the filter paper to fix the filter paper to the housing; 상기 상부 및 하부고정부재의 저부에 배치되어 상기 하우징 외부로 여과되지 않은 엔진오일이 누출되지 않도록 하는 누출방지용 오링과;A leakage preventing o-ring disposed at a bottom of the upper and lower fixing members to prevent leakage of engine oil not filtered out of the housing; 상기 누출방지용 오링의 일측을 구속하여 실링이 이루어지도록 하며 상기 하우징에 돌출 형성된 제1돌기와;A first protrusion configured to constrain one side of the leak-prevention O-ring to seal and to protrude in the housing; 상기 상부 및 하부고정부재의 저부에 돌출 형성되어 상기 누출방지용 오링의 타측을 구속하는 제2돌기와;A second protrusion protruding from a bottom of the upper and lower fixing members to restrain the other side of the leakage preventing O-ring; 상기 누출방지용 오링 및 상기 상부 및 하부고정부재를 지지하기 위해 상기 누출방지용 오링 및 상기 제2돌기의 하부를 지지하며 상기 하우징에 설치된 지지부재;를 포함하는 것을 특징으로 하는 엔진 오일필터의 실링구조.And a support member supporting the lower portion of the leakage preventing o-ring and the second protrusion and installed in the housing to support the leakage preventing o-ring and the upper and lower fixing members. 삭제delete 삭제delete 제1항에 있어서,The method of claim 1, 상기 여과지와 상기 상부 및 하부고정부재는 일체형으로 이루어진 것을 특징으로 하는 엔진 오일필터의 실링구조.Sealing structure of the engine oil filter, characterized in that the filter paper and the upper and lower fixing members are formed in one piece. 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete
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KR100934908B1 (en) * 2008-03-27 2010-01-06 주식회사 세원 Element attachment structure
KR102326953B1 (en) 2019-12-09 2021-11-17 말레동현필터시스템 주식회사 Oil filter apparatus
KR102403902B1 (en) 2020-07-27 2022-05-31 말레동현필터시스템 주식회사 Oil filter apparatus

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JPH10109006A (en) 1996-10-07 1998-04-28 Denso Corp Element replaceable filter
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