KR100737461B1 - Apparatus for circulating oil - Google Patents

Apparatus for circulating oil Download PDF

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Publication number
KR100737461B1
KR100737461B1 KR1020050125678A KR20050125678A KR100737461B1 KR 100737461 B1 KR100737461 B1 KR 100737461B1 KR 1020050125678 A KR1020050125678 A KR 1020050125678A KR 20050125678 A KR20050125678 A KR 20050125678A KR 100737461 B1 KR100737461 B1 KR 100737461B1
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South Korea
Prior art keywords
oil
flow path
automatic transmission
oil pump
pump
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KR1020050125678A
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Korean (ko)
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KR20070065008A (en
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황광수
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현대자동차주식회사
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    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/042—Guidance of lubricant
    • F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
    • F16H57/0404—Lubricant filters
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
    • F16H57/0436—Pumps
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02039—Gearboxes for particular applications
    • F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
    • F16H2057/02047—Automatic transmissions

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)

Abstract

자동 변속기의 오일순환장치가 개시된다. 그러한 자동 변속기의 오일순환장치는 오일을 펌핑하는 오일펌프, 상기 오일펌프의 하부에 배치되어 제1 유로를 형성함으로써 오일을 필터링하여 상기 오일펌프에 직접 오일을 공급하는 오일필터, 그리고 상기 오일펌프와 연결된 제2 유로에 의하여 오일이 공급되며, 제3 유로를 통하여 오일을 각 요소로 분산할 수 있는 밸브바디를 포함하며, 상기 밸브바디와 오일펌프는 제4 내지 제6 유로에 의하여 연결됨으로써 상기밸브바디로부터 리턴되는 오일을 상기 오일펌프로 공급할 수 있다.An oil circulation device of an automatic transmission is disclosed. The oil circulation device of the automatic transmission includes an oil pump for pumping oil, an oil filter disposed under the oil pump to filter the oil by forming a first flow path, and supplying oil directly to the oil pump, and the oil pump. Oil is supplied by the connected second flow path, and includes a valve body for distributing oil to each element through the third flow path, wherein the valve body and the oil pump is connected by the fourth to sixth flow path The oil returned from the body can be supplied to the oil pump.

오일, 자동변속, 순환, 밸브, 펌프, 유로, 티엠케이스 Oil, automatic transmission, circulation, valve, pump, flow path, TEM case

Description

자동 변속기의 오일순환장치{APPARATUS FOR CIRCULATING OIL}Oil Circulation Device for Automatic Transmission {APPARATUS FOR CIRCULATING OIL}

도1 은 종래기술에 따른 자동 변속기의 오일 순환장치의 구조를 개략적으로 도시하는 개략도이다.1 is a schematic diagram schematically showing the structure of an oil circulation system of an automatic transmission according to the prior art.

도2 는 본 발명의 바람직한 실시예에 따른 자동 변속기의 오일 순환장치를 도시하는 도면이다.2 is a view showing an oil circulation device of an automatic transmission according to a preferred embodiment of the present invention.

도3 은 도2 에 도시된 자동 변속기의 오일 순환장치의 구조를 개략적으로 보여주는 개략도이다.FIG. 3 is a schematic diagram schematically showing the structure of the oil circulator of the automatic transmission shown in FIG.

〈도면의 주요 부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

10: 자동 변속기 12: 밸브바디10: automatic transmission 12: valve body

14: 오일펌프 16: 오일필터14: oil pump 16: oil filter

P1,P2,P3,P4,P5,P6: 제1 내지 제6 유로 P1, P2, P3, P4, P5, P6: first to sixth flow paths

본 발명은 자동 변속기의 오일 순환장치에 관한 것으로, 더욱 상세하게는 오일순환로의 구조를 개선함으로써 티엠 케이스의 유로 형태 및 크기의 축소가 가능한 자동 변속기의 오일 순환장치에 관한 것이다.The present invention relates to an oil circulator of an automatic transmission, and more particularly, to an oil circulator of an automatic transmission capable of reducing the shape and size of a flow path of a TEM case by improving the structure of the oil circulation path.

일반적으로 자동변속기는 차량의 주행상태에 따라 적절한 변속단으로 자동으로 변속하여주는 장치이다. 이러한 자동변속기는, 선기어(sun gear), 링기어(ring gear), 그리고 유성캐리어(planet carrier)로 이루어지는 유성기어세트(planetary gear set)를 하나 이상 포함하고, 이러한 작동 부재들을 제어하기 위하여 클러치(clutch)와 브레이크(brake)와 같은 마찰요소(friction element)가 여러 개 구비된다. In general, an automatic transmission is a device that automatically shifts to an appropriate shift stage according to a driving state of a vehicle. Such automatic transmission includes one or more planetary gear sets consisting of sun gear, ring gear, and planet carrier, and includes a clutch to control these actuating members. Several friction elements, such as clutches and brakes, are provided.

그리고, 자동변속기에는, 이러한 마찰요소를 유압적으로 제어하기 위하여 유압제어시스템이 구비된다. 따라서, 각 변속단에 따라 정해진 클러치/브레이크들이 유압제어시스템에 의하여 그 작동/해제가 제어됨으로써, 각 변속단이 구현되게 된다. The automatic transmission is provided with a hydraulic control system for hydraulically controlling such friction elements. Therefore, the clutch / brake determined according to each shift stage is controlled by the hydraulic control system, so that each shift stage is implemented.

이러한 유압제어시스템은 도1 에 도시된 바와 같이, 자동 변속기(1) 내부로 주입된 오일이 유로(P2,P3)를 통하여 오일펌프(4)로 유입되면서 각 부분으로 순환하게 된다.In this hydraulic control system, as shown in FIG. 1, oil injected into the automatic transmission 1 is circulated to each part while flowing into the oil pump 4 through the flow paths P2 and P3.

즉, 자동 변속기(1) 내부의 중간 하단부에 오일필터(2)가 배치되고, 이 오일필터(2)의 흡입포트로 흡입된 오일은 오일필터(2)내의 여과기를 거쳐 유로(P1)를 통하여 오일펌프(4)로 유입된다. That is, the oil filter 2 is disposed at the middle lower end of the automatic transmission 1, and the oil sucked into the suction port of the oil filter 2 passes through the filter P in the oil filter 2 through the flow path P1. It flows into the oil pump (4).

그리고, 오일펌프(4)로 유입된 오일은 유로(P4)를 통하여 유압을 밸브바디(5)에 공급하고, 밸브바디(5) 내부의 레귤레이터 밸브에서 잔여 오일을 다시 오일펌프(4)로 공급한다. In addition, the oil introduced into the oil pump 4 supplies hydraulic pressure to the valve body 5 through the flow path P4, and supplies residual oil back to the oil pump 4 from the regulator valve inside the valve body 5. do.

또한, 밸브바디(5)에서 유로(P5)를 통하여 각 요소(6)로 공급된 오일은 작동 후 자동변속기(1) 내부의 아래로 흘러내려 오일필터(2)의 흡입포트로 다시 유입되면서 오일 순환이 이루어진다.In addition, the oil supplied from the valve body 5 to each element 6 through the flow path P5 flows down the inside of the automatic transmission 1 after operation and flows back into the suction port of the oil filter 2 after being operated. The circulation takes place.

이때, 각 요소(6)사이의 유로는 티엠 케이스 내부에 설치되어 오일을 순환시키는 구조를 갖는다.At this time, the flow path between each element (6) is installed inside the TEM case has a structure for circulating the oil.

이러한 방식의 변속기 오일순환장치에 있어서, 전륜구동 방식의 자동 변속기는 엔진룸의 내부에 공간제약이 많이 있음으로 작고 경화화된 변속기가 요구되므로 변속기 내부의 부품간의 배치등의 중요하다.In the transmission oil circulator of this type, the automatic transmission of the all-wheel drive type has a lot of space limitation in the interior of the engine room, so a small and hardened transmission is required, so it is important for the arrangement between the parts inside the transmission.

그러나, 종래 자동 변속기는 구성요소간 유로의 연결 구조로 인하여 밸브바디의 위치를 전방에 경사조립함으로써 변속기 전체의 크기가 증가하고 중량이 증가하는 문제점이 있다.However, the conventional automatic transmission has a problem that the size of the entire transmission is increased and the weight is increased by assembling the position of the valve body forward due to the connection structure of the flow path between the components.

또한, 오일펌프로 공급되는 오일라인이 굴곡이 심하고 길어서 오일 순환효율이 저하되는 문제점이 있다.In addition, the oil line supplied to the oil pump has a problem that the oil circulation efficiency is lowered because the curve is severe and long.

따라서, 본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은 각 요소를 연결하는 오일유로의 연결구조 및 형상을 개선함으로써 소형화 및 경량화할 수 있는 자동변속기를 제공하는데 있다.Accordingly, the present invention has been made to solve the above problems, an object of the present invention to provide an automatic transmission that can be reduced in size and weight by improving the connection structure and shape of the oil flow path connecting each element.

상기와 같은 목적을 달성하기 위하여, 본 발명은 오일을 펌핑하는 오일펌프; 상기 오일펌프의 하부에 배치되어 제1 유로를 형성함으로써 오일을 필터링하여 상기 오일펌프에 직접 오일을 공급하는 오일필터; 그리고 상기 오일펌프와 연결된 제2 유로에 의하여 오일이 공급되며, 제3 유로를 통하여 오일을 각 요소로 분산할 수 있는 밸브바디를 포함하며, 상기 밸브바디로부터 리턴되는 오일은 제4 내지 제6 유로에 의하여 상기 오일펌프로 공급되고, 상기 제2 내지 제5 유로는 티엠케이스의 내부에 설치되는 것을 특징으로 하는 자동변속기의 오일 순환장치를 제공한다.In order to achieve the above object, the present invention is an oil pump for pumping oil; An oil filter disposed under the oil pump to filter the oil by forming a first flow path to directly supply the oil to the oil pump; And a valve body for supplying oil by a second flow path connected to the oil pump and distributing oil to each element through a third flow path, wherein the oil returned from the valve body is fourth to sixth flow paths. The oil pump is supplied to the oil pump, and the second to fifth flow paths are provided in the interior of the TEM case.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예에 따른 차량용 자동 변속기의 오일순환장치에 대하여 상세하게 설명한다.Hereinafter, an oil circulating device of an automatic transmission for a vehicle according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

일반적으로, 자동변속기는 차량의 주행상태에 따라 적절한 변속단으로 자동으로 변속하여주는 장치이다. 이러한 자동 변속을 구현하기 위하여 자동변속기 내에는, 선기어(sun gear), 링기어(ring gear), 그리고 유성캐리어(planet carrier)를 그 작동 부재(operating member)들로 포함하는 유성기어세트(planetary gear set)를 하나 이상 포함하고, 이러한 작동 부재들을 제어하기 위하여 클러치(clutch)와 브레이크(brake)와 같은 마찰요소(friction element)가 여러 개 구비된다. In general, an automatic transmission is a device that automatically shifts to an appropriate shift stage according to a driving state of a vehicle. In order to implement such automatic transmission, the automatic transmission includes a planetary gear set including sun gear, ring gear, and planet carrier as its operating members. and one or more sets of friction elements, such as clutches and brakes, for controlling these actuating members.

그리고, 자동변속기에는, 이러한 마찰요소를 유압적으로 제어하기 위하여 유압제어시스템이 구비된다. 따라서, 각 변속단에 따라 정해진 클러치/브레이크들이 유압제어시스템에 의하여 그 작동/해제가 제어됨으로써, 각 변속단이 구현되게 된다. The automatic transmission is provided with a hydraulic control system for hydraulically controlling such friction elements. Therefore, the clutch / brake determined according to each shift stage is controlled by the hydraulic control system, so that each shift stage is implemented.

도2 및 도3 에는 이러한 자동 변속기(10)의 오일순환장치가 도시된다. 도시된 바와 같이, 오일 순환장치는 오일을 펌핑하는 오일펌프(14)와, 상기 오일펌프(14)에 공급되는 오일을 필터링하는 오일필터(16)와, 상기 오일펌프(14)로부터 오 일이 공급되어 유로가 형성되며 각 요소(20)로 오일을 공급하는 밸브바디(12)로 이루어진다.2 and 3 show an oil circulating device of such an automatic transmission 10. As shown, the oil circulator includes an oil pump 14 for pumping oil, an oil filter 16 for filtering oil supplied to the oil pump 14, and oil from the oil pump 14. It is supplied with a flow path is formed and consists of a valve body 12 for supplying oil to each element (20).

이러한 구조를 갖는 자동 변속기의 오일순환장치에 있어서, 상기 오일필터(16)은 포트(15)를 통하여 오일이 공급되며, 상기 오일펌프(14)와 오일필터(16)를 제1 유로(P1)에 의하여 서로 연결함으로써 오일펌프(14)로 공급되는 오일을 오일필터(16)에 의하여 정제한다. In the oil circulation device of the automatic transmission having such a structure, the oil filter 16 is supplied with oil through the port 15, the oil pump 14 and the oil filter 16 to the first flow path (P1) By connecting to each other by the oil is supplied to the oil pump 14 is purified by the oil filter (16).

이때, 상기 제1 유로(P1)는 티엠케이스(C)를 거치지 않고 오일펌프(14)에 직접 연결되어 오일을 공급하는 구조를 갖는다.In this case, the first flow path P1 is directly connected to the oil pump 14 without passing through the EMS case C to supply oil.

즉, 티엠케이스(C)와 오일펌프(14)의 사이에 형성된 공간에 제1 유로(P1)를 형성하게 된다.That is, the first flow path P1 is formed in the space formed between the TS case C and the oil pump 14.

그리고, 상기 오일펌프(14)와 밸브바디(12)는 제2 유로(P2)에 의하여 연결됨으로써 펌핑된 오일이 제2 유로(P2)를 통하여 밸브바디(12)로 공급될 수 있다. 이때, 상기 제2 유로(P2)는 티엠케이스(C)에 설치된다.In addition, the oil pump 14 and the valve body 12 may be connected by the second flow path P2 so that the pumped oil may be supplied to the valve body 12 through the second flow path P2. At this time, the second flow path (P2) is installed in the TEMP case (C).

또한, 상기 밸브바디(12)에서 공급된 오일은 티엠케이스(C)의 제3 유로(P3)를 통하여 각 요소(20)로 공급된다.In addition, the oil supplied from the valve body 12 is supplied to each element 20 through the third flow path (P3) of the TS case (C).

한편, 밸브바디(12)에서 리턴되는 오일은 제4 유로(P4), 제5 유로(P5), 그리고 제6 유로(P6)를 통하여 오일펌프로 리턴된다.On the other hand, the oil returned from the valve body 12 is returned to the oil pump through the fourth flow path (P4), the fifth flow path (P5), and the sixth flow path (P6).

이때, 상기 제2 유로 내지 제5 유로(P2,P3,P4,P5)는 티엠 케이스(C)의 내부에 배치된다. In this case, the second to fifth flow paths P2, P3, P4, and P5 are disposed inside the TEM case C.

따라서, 오일펌프(14)에 공급되는 유량을 분산할 수 있으며, 이로 인하여 티 엠케이스(C)의 유로 형상 및 크기의 축소가 가능하다. 또한, 티엠케이스(C)의 중량을 줄일 수도 있다.Thus, the flow rate supplied to the oil pump 14 can be dispersed, thereby reducing the shape and size of the flow path of the T-m case (C). In addition, the weight of the TS case C may be reduced.

상술한 바와 같이, 본 발명의 바람직한 실시예에 따른 자동 변속기의 오일 순환장치는 각 요소를 연결하는 오일유로의 연결구조 및 형상을 개선함으로써 소형화 및 경량화할 수 있는 장점이 있다.As described above, the oil circulation device of the automatic transmission according to the preferred embodiment of the present invention has the advantage that it can be reduced in size and weight by improving the connection structure and shape of the oil flow path connecting each element.

본 발명은 당해 발명이 속하는 분야의 통상의 지식을 가진 자라면 누구든지 특허청구의 범위에서 청구하는 본 발명의 요지를 벗어나지 않고도 다양하게 변경실시 할 수 있으므로 상술한 특정의 바람직한 실시예에 한정되지 아니한다.The present invention can be variously modified by those skilled in the art to which the present invention pertains without departing from the scope of the present invention as claimed in the claims, and is not limited to the specific preferred embodiments described above. .

Claims (2)

오일을 펌핑하는 오일펌프;An oil pump for pumping oil; 상기 오일펌프의 하부에 배치되어 제1 유로를 형성함으로써 오일을 필터링하여 상기 오일펌프에 직접 오일을 공급하는 오일필터; 그리고An oil filter disposed under the oil pump to filter the oil by forming a first flow path to directly supply the oil to the oil pump; And 상기 오일펌프와 연결된 제2 유로에 의하여 오일이 공급되며, 제3 유로를 통하여 오일을 각 요소로 분산할 수 있는 밸브바디를 포함하며,Oil is supplied by the second flow path connected to the oil pump, and includes a valve body for distributing oil to each element through the third flow path, 상기 밸브바디로 부터 리턴되는 오일은 제4 내지 제6 유로에 의하여 상기 오일펌프로 공급되고, 상기 제2 내지 제5 유로는 티엠케이스의 내부에 설치되는 것을 특징으로 하는 자동변속기의 오일 순환장치.The oil returned from the valve body is supplied to the oil pump by the fourth to sixth flow path, the second to fifth flow path is the oil circulation device of the automatic transmission, characterized in that installed in the interior of the TEM case. 삭제delete
KR1020050125678A 2005-12-19 2005-12-19 Apparatus for circulating oil KR100737461B1 (en)

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KR0180393B1 (en) * 1994-04-06 1999-05-01 전성원 Oil pump for auto-transmission
KR20000006164U (en) * 1998-09-10 2000-04-15 류정열 Installation structure of automatic transmission oil pump

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0180393B1 (en) * 1994-04-06 1999-05-01 전성원 Oil pump for auto-transmission
KR20000006164U (en) * 1998-09-10 2000-04-15 류정열 Installation structure of automatic transmission oil pump

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