KR200212885Y1 - Driving force loss reduction device of oil pump - Google Patents

Driving force loss reduction device of oil pump Download PDF

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Publication number
KR200212885Y1
KR200212885Y1 KR2019970043005U KR19970043005U KR200212885Y1 KR 200212885 Y1 KR200212885 Y1 KR 200212885Y1 KR 2019970043005 U KR2019970043005 U KR 2019970043005U KR 19970043005 U KR19970043005 U KR 19970043005U KR 200212885 Y1 KR200212885 Y1 KR 200212885Y1
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South Korea
Prior art keywords
oil
oil pump
inlet line
pan
line
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KR2019970043005U
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Korean (ko)
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KR19990030324U (en
Inventor
김규완
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정몽규
현대자동차주식회사
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Priority to KR2019970043005U priority Critical patent/KR200212885Y1/en
Publication of KR19990030324U publication Critical patent/KR19990030324U/en
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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
    • F01M1/00—Pressure lubrication
    • F01M1/02—Pressure lubrication using lubricating pumps
    • 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
    • F01M1/00—Pressure lubrication
    • F01M1/16—Controlling lubricant pressure or quantity
    • 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
    • F01M11/0004—Oilsumps

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

Abstract

본 고안의 목적은 오일압 상승에 의해 바이패스되는 오일을 오일팬을 거치지 아니하고 다시 오일펌프로 유입시킴과 동시에 오일팬으로부터의 엔진오일 급송량을 줄여 동력손실을 줄이는 오일펌프의 구동력 손실저감장치를 제공하는데 있다.The purpose of the present invention is to reduce the loss of driving power of the oil pump, which reduces the power loss by reducing the amount of engine oil feeding from the oil pan while simultaneously introducing the oil bypassed by the oil pressure without passing through the oil pan. To provide.

본 고안은 상기한 목적을 달성하기 위하여The present invention to achieve the above object

엔진오일을 저장하는 오일팬(2)과, 오일을 퍼올려 강제 급송하는 오일펌프(1)와, 급송되는 오일로부터 이물질을 여과하는 오일필터(4)를 포함하는 윤활시스템에 있어서,A lubrication system comprising an oil pan (2) for storing engine oil, an oil pump (1) for pumping up oil and forcibly feeding the oil, and an oil filter (4) for filtering foreign matter from the oil to be fed,

상기 오일펌프(1)와 오일필터(4)를 연결하는 오일필터 입구라인(5)과 상기 오일팬(2)으로부터 오일펌프(1)를 연결하는 오일펌프 입구라인(7)과를 접속하는 바이패스라인(6)과;The oil filter inlet line (5) connecting the oil pump (1) and the oil filter (4) and the oil pump inlet line (7) connecting the oil pump (1) from the oil pan (2) A passline 6;

상기 오일펌프 입구라인(7)과 바이패스라인(6)의 접속지점에 형성되는 밸브실(8)과;A valve chamber 8 formed at a connection point of the oil pump inlet line 7 and the bypass line 6;

상기 오일펌프 입구라인(7)을 연통하는 연통공이 형성되어 있으며, 상기 바이패스라인(6)을 통해 작용하는 오일압에 의해 이동하여 상기 오일펌프 입구라인(7)을 통한 오일팬(2)으로부터의 오일급송량을 제한하고 바이패스되는 엔진오일을 다시 오일펌프(1)로 유입되도록 안내하는 플런저 밸브(9)와;A communication hole communicating with the oil pump inlet line 7 is formed, and is moved by the oil pressure acting through the bypass line 6 from the oil pan 2 through the oil pump inlet line 7. A plunger valve 9 for limiting an oil supply amount of the oil and guiding the bypassed engine oil back into the oil pump 1;

상기 바이패스라인(6)을 통해 플런저 밸브(9)에 작용하는 오일압에 대항하는 방향으로 탄발하도록 상기 플런저 밸브(9)를 지지하는 탄발스프링(11)으로 구성되어 있는 것을 특징으로 한다.It is characterized in that it is composed of a ball spring 11 for supporting the plunger valve 9 so as to be shot in a direction against the oil pressure acting on the plunger valve 9 through the bypass line (6).

Description

오일펌프의 구동력 손실저감장치Driving force loss reduction device of oil pump

본 고안은 엔진오일을 엔진의 각 운동부위에 급송하는 오일펌프의 구동력 손실저감장치에 관한 것이다.The present invention relates to a driving force loss reduction device of an oil pump for supplying engine oil to each moving part of the engine.

엔진은 구동중에 많은 부품들이 서로 마찰을 일으키고 또한 고온의 연소열에 노출되므로 엔진내부의 마찰저항을 저감하고 과열을 방지하기 위해 엔진오일을 공급하고 있다.The engine supplies engine oil to reduce frictional resistance and prevent overheating of the engine because many components rub against each other during operation and are exposed to high heat of combustion.

엔진오일의 공급과정은 도 3에 도시하는 것과같이 크랭크축의 회전력에 의해 구동되는 오일펌프(20)에 의해 오일팬(21)내에 저장된 엔진오일을 오일스크린(22)을 통해 취유하여 오일필터(23)를 거쳐 이물질을 제거한 후 엔진의 각 부위, 예를들면, 크랭크축, 커넥팅 로드, 피스톤, 크랭크축 베어링 및 밸브기구 등에 강제 급송하여 윤활 및 냉각하게 된다.As shown in FIG. 3, the process of supplying the engine oil takes the engine oil stored in the oil pan 21 through the oil screen 22 by the oil pump 20 driven by the rotational force of the crankshaft through the oil filter 22. After removing foreign substances through), it is lubricated and cooled by forcibly feeding each part of engine, for example, crankshaft, connecting rod, piston, crankshaft bearing and valve mechanism.

그러나 종래 구조에 의하면 오일필터(23)의 막힘등이나 또는 오일펌프(20)의 과압력 송출로 인하여 오일펌프(20)와 오일필터(23)를 연결하는 오일통로(24)내의 오일압이 상승하게 되면 릴리프 밸브(25)가 열리고 일부 엔진오일이 개방된 바이패스관로(26)를 통해 오일팬(21)으로 귀환하게 되므로써, 오일팬(21)으로 복귀한 엔진오일을 다시 퍼올려 급송하게 되는데 따른 오일펌프(20)의 구동력 손실이 유발되는 문제점이 있었다.However, according to the conventional structure, the oil pressure in the oil passage 24 connecting the oil pump 20 and the oil filter 23 increases due to the clogging of the oil filter 23 or the overpressure of the oil pump 20. When the relief valve 25 is opened and some engine oil is returned to the oil pan 21 through the open bypass pipe 26, the engine oil returned to the oil pan 21 is pumped up again. There was a problem that causes the driving force loss of the oil pump 20 according to.

이에 본 고안은 상기한 문제점을 감안하여 제안된 것으로서 그의 목적으로 하는 것은 오일압 상승에 의해 바이패스되는 오일을 오일팬을 거치지 아니하고 다시 오일펌프로 유입시킴과 동시에 오일팬으로부터의 엔진오일 급송량을 줄여 동력손실을 줄이는 오일펌프의 구동력 손실저감장치를 제공하는데 있다.The present invention has been proposed in view of the above problems, and its purpose is to introduce the oil bypassed by the increase in oil pressure into the oil pump without passing through the oil pan, and at the same time, to supply the engine oil supply from the oil pan. It is to provide a driving force loss reduction device of the oil pump to reduce the power loss.

본 고안은 상기한 목적을 달성하기 위하여The present invention to achieve the above object

엔진오일을 저장하는 오일팬과, 오일을 퍼올려 강제 급송하는 오일펌프와, 급송되는 오일로부터 이물질을 여과하는 오일필터를 포함하는 윤활시스템에 있어서,A lubrication system comprising an oil pan for storing engine oil, an oil pump for pumping up oil and forcibly feeding the oil, and an oil filter for filtering foreign matter from the fed oil.

상기 오일펌프와 오일필터를 연결하는 오일필터 입구라인과 상기 오일팬으로부터 오일펌프를 연결하는 오일펌프 입구라인과를 접속하는 바이패스라인과;A bypass line connecting an oil filter inlet line connecting the oil pump and an oil filter and an oil pump inlet line connecting the oil pump from the oil pan;

상기 오일펌프 입구라인과 바이패스라인의 접속지점에 형성되는 밸브실과;A valve chamber formed at a connection point between the oil pump inlet line and the bypass line;

상기 오일펌프 입구라인을 연통하는 연통공이 형성되어 있으며, 상기 바이패스라인을 통해 작용하는 오일압에 의해 이동하여 상기 오일펌프 입구라인을 통한 오일팬으로부터의 오일급송량을 제한하고 바이패스되는 엔진오일을 다시 오일펌프로 유입되도록 안내하는 플런저 밸브와;A communication hole is formed to communicate with the oil pump inlet line, and is moved by the oil pressure acting through the bypass line to limit the oil supply amount from the oil pan through the oil pump inlet line and bypass the engine oil. Plunger valve for guiding the flow back to the oil pump;

상기 바이패스라인을 통해 플런저 밸브에 작용하는 오일압에 대항하는 방향으로 탄발하도록 상기 플런저 밸브를 지지하는 탄발스프링으로 구성되어 있는 것을 특징으로 한다.It characterized in that it is composed of a ball spring spring for supporting the plunger valve to be shot in a direction against the oil pressure acting on the plunger valve through the bypass line.

도 1은 본 고안의 윤활시스템을 나타내는 도면1 is a view showing a lubrication system of the present invention

도 2는 본 고안에 의한 오일펌프의 구동력 손실저감장치의 요부 상세도2 is a detailed view of the main portion of the driving force loss reduction device of the oil pump according to the present invention

도 3은 종래기술3 is a prior art

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

1 : 오일펌프 2 : 오일팬1: Oil Pump 2: Oil Pan

4 : 오일필터 5 : 오일필터 입구라인4: Oil filter 5: Oil filter inlet line

6 : 바이패스라인 7 : 오일펌프 입구라인6: bypass line 7: oil pump inlet line

8 : 밸브실 9 : 플런저밸브8: valve chamber 9: plunger valve

10 : 구멍 11 : 탄발스프링10: hole 11: bullet spring

12 : 릴리프밸브12: relief valve

이하 본 고안의 구성과 작용을 첨부한 도면을 참조하여 설명한다.Hereinafter, with reference to the accompanying drawings the configuration and operation of the present invention.

도 1은 본 고안에 의한 윤활시스템을 나타내는 도면이며 도 2는 본 고안의 오일펌프의 구동력 손실저감장치의 요부 상세도이다.1 is a view showing a lubrication system according to the present invention, Figure 2 is a detailed view of the main portion of the driving force loss reduction device of the oil pump of the present invention.

도면중 부호 1은 오일펌프이며, 오일펌프(1)는 오일팬(2)내에 수용된 엔진오일을 오일스크린(3)을 통해 퍼올려 강제로 엔진의 각 운동부위로 급송하며, 도중에 오일필터(4)를 통하여 엔진오일 속의 이물질이 걸러지게 된다.In the drawing, reference numeral 1 denotes an oil pump, and the oil pump 1 pumps the engine oil contained in the oil pan 2 through the oil screen 3 and forcibly feeds it to each moving part of the engine. ), Foreign matter in the engine oil is filtered out.

오일펌프(1)와 오일필터(4)를 연결하는 오일필터 입구라인(5, 또는 오일펌프 출구라인)으로부터는 바이패스라인(6)이 분기되고, 바이패스라인(6)의 타단은 오일스크린(3)과 오일펌프(1)를 연결하는 오일펌프 입구라인(7)의 도중에 접속되어 있다.The bypass line 6 branches from the oil filter inlet line 5 or the oil pump outlet line connecting the oil pump 1 and the oil filter 4, and the other end of the bypass line 6 is an oil screen. It is connected in the middle of the oil pump inlet line 7 connecting (3) and the oil pump (1).

상기 바이패스라인(6)과 오일펌프 입구라인(7)의 접속지점에는 밸브실(8)이 마련되어 있으며, 그 밸브실(8)내에는 플런저 밸브(9)가 수용되어 있다.A valve chamber 8 is provided at the connection point of the bypass line 6 and the oil pump inlet line 7, and the plunger valve 9 is housed in the valve chamber 8.

플런저 밸브(9)는 원통체로서 그의 몸체를 관통하는 구멍(10)이 오일펌프 입구라인(7)과 일치하도록 형성되어지고, 바이패스라인(6)을 통해 작용하는 오일압에 대항토록 탄발하는 탄발스프링(11)에 의해 지지되고 있다.The plunger valve 9 is a cylindrical body formed so that the hole 10 penetrating through the body thereof coincides with the oil pump inlet line 7, and is elastic against the oil pressure acting through the bypass line 6. It is supported by the ball spring 11.

이와같은 본 고안의 작동을 설명하면 다음과 같다.Referring to the operation of the present invention as follows.

엔진오일이 오일펌프(1) 구동에 의해 강제 급송중 오일필터(4)가 막히거나 또는 오일펌프(1)의 토출압이 증가한데 기인하여 오일필터 입구라인(5)의 압력이 증가하므로써 오일필터(4)의 처리능력을 초과하게 되면 바이패스라인(6)의 도중에 마련된 릴리프 밸브(12, 통상 스프링으로 지지되는 볼밸브를 채택하고 있는 일방향밸브)가 개방되어 일부 엔진오일이 개방된 바이패스라인(6)을 통해 리턴되어지게 된다.The oil filter is increased due to an increase in the pressure of the oil filter inlet line 5 due to the blockage of the oil filter 4 during forced feeding of the engine oil by the operation of the oil pump 1 or an increase in the discharge pressure of the oil pump 1. If the processing capacity of (4) is exceeded, the relief valve 12 provided in the middle of the bypass line 6 (a one-way valve adopting a ball valve supported by a spring) is opened to bypass the engine oil by opening some engine oil. Will be returned via (6).

이때 리턴되는 엔진오일의 압력에 의해 플런저 밸브(9)가 탄발스프링(11)을 압축하면서 이동하게 되며 구멍(10)의 일부가 밸브실(8)로 몰입되어 오일입구라인(7)과 어긋나게 되면, 오일팬(2)으로부터 오일펌프(1)측으로 유입되는 엔진오일량이 감소되고 대신 플런저 밸브(9)의 하강에 따라 바이패스라인(6)과 오일펌프(7)측이 연통되어지게 되어 바이패스되는 엔진오일이 오일팬(2)으로 리턴되지 아니하고 다시 오일펌프(1)로 유입되어지게 되는 것이다.(도 2 참조)At this time, the plunger valve 9 moves while compressing the ball spring 11 by the pressure of the returned engine oil, and when a part of the hole 10 is immersed in the valve chamber 8 and is displaced from the oil inlet line 7. The amount of engine oil flowing from the oil pan 2 to the oil pump 1 side is reduced, and the bypass line 6 and the oil pump 7 side communicate with each other as the plunger valve 9 descends. Engine oil is not returned to the oil pan (2) is to be introduced to the oil pump (1) again (see Figure 2).

이상과 같은 본 고안에 의하면 오일필터의 입구압이 높아질 때 엔진오일을 바이패스시키는 바이패스라인을 오일팬이 아닌 오일펌프 입구라인에 접속하고, 그 접속지점에 바이패스되는 오일압에 의해 이동하여 오일팬으로부터의 엔진오일 급송량을 제한하고 바이패스되는 엔진오일이 다시 오일펌프로 순환되도록 작동하는 플런저 밸브를 설치하는 것에 의해서 오일펌프의 구동력 손실을 저감하여 수명을 연장하고 안정적인 윤활시스템을 보장하게 되는 효과가 있다.According to the present invention as described above, when the inlet pressure of the oil filter is increased, the bypass line for bypassing the engine oil is connected to the oil pump inlet line instead of the oil pan, and is moved by the oil pressure bypassed to the connection point. By limiting the amount of engine oil feed from the oil pan and by installing a plunger valve that operates to bypass the engine oil to be circulated back to the oil pump, it is possible to reduce the driving force loss of the oil pump to extend the life and ensure a stable lubrication system. It is effective.

Claims (2)

엔진오일을 저장하는 오일팬(2)과, 오일을 퍼올려 강제 급송하는 오일펌프(1)와, 급송되는 오일로부터 이물질을 여과하는 오일필터(4)를 포함하는 윤활시스템에 있어서,A lubrication system comprising an oil pan (2) for storing engine oil, an oil pump (1) for pumping up oil and forcibly feeding the oil, and an oil filter (4) for filtering foreign matter from the oil to be fed, 상기 오일펌프(1)와 오일필터(4)를 연결하는 오일필터 입구라인(5)과 상기 오일팬(2)으로부터 오일펌프(1)를 연결하는 오일펌프 입구라인(7)과를 접속하는 바이패스라인(6)과;The oil filter inlet line (5) connecting the oil pump (1) and the oil filter (4) and the oil pump inlet line (7) connecting the oil pump (1) from the oil pan (2) A passline 6; 상기 오일펌프 입구라인(7)과 바이패스라인(6)의 접속지점에 형성되는 밸브실(8)과;A valve chamber 8 formed at a connection point of the oil pump inlet line 7 and the bypass line 6; 상기 오일펌프 입구라인(7)을 연통하는 연통공이 형성되어 있으며, 상기 바이패스라인(6)을 통해 작용하는 오일압에 의해 이동하여 상기 오일펌프 입구라인(7)을 통한 오일팬(2)으로부터의 오일급송량을 제한하고 바이패스되는 엔진오일을 다시 오일펌프(1)로 유입되도록 안내하는 플런저 밸브(9)와;A communication hole communicating with the oil pump inlet line 7 is formed, and is moved by the oil pressure acting through the bypass line 6 from the oil pan 2 through the oil pump inlet line 7. A plunger valve 9 for limiting an oil supply amount of the oil and guiding the bypassed engine oil back into the oil pump 1; 상기 바이패스라인(6)을 통해 플런저 밸브(9)에 작용하는 오일압에 대항하는 방향으로 탄발하도록 상기 플런저 밸브(9)를 지지하는 탄발스프링(11)으로 구성되어 있는 것을 특징으로 하는 오일펌프의 구동력 손실저감장치.Oil pump, characterized in that consisting of a tandem spring (11) for supporting the plunger valve (9) in such a way to counteract the oil pressure acting on the plunger valve (9) through the bypass line (6) Driving force loss reduction device. 제 1 항에 있어서,The method of claim 1, 상기 바이패스라인(6)에는 오일필터(4)의 입구압력이 기준치 이상 높아질 때 라인을 개방하는 릴리프 밸브(12)가 구비되어 있는 것을 특징으로 하는 오일펌프의 구동력 손실저감장치.The bypass line (6) is a driving force loss reduction device of the oil pump, characterized in that provided with a relief valve 12 for opening the line when the inlet pressure of the oil filter (4) is higher than the reference value.
KR2019970043005U 1997-12-30 1997-12-30 Driving force loss reduction device of oil pump KR200212885Y1 (en)

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