WO2017007070A1 - Torque converter - Google Patents

Torque converter Download PDF

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Publication number
WO2017007070A1
WO2017007070A1 PCT/KR2015/011175 KR2015011175W WO2017007070A1 WO 2017007070 A1 WO2017007070 A1 WO 2017007070A1 KR 2015011175 W KR2015011175 W KR 2015011175W WO 2017007070 A1 WO2017007070 A1 WO 2017007070A1
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WO
WIPO (PCT)
Prior art keywords
oil
turbine runner
torque converter
guide
guide portion
Prior art date
Application number
PCT/KR2015/011175
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French (fr)
Korean (ko)
Inventor
김종길
Original Assignee
김종길
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Publication date
Application filed by 김종길 filed Critical 김종길
Publication of WO2017007070A1 publication Critical patent/WO2017007070A1/en

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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
    • F16H41/00—Rotary fluid gearing of the hydrokinetic type
    • F16H41/04—Combined pump-turbine units
    • 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
    • F16H41/00—Rotary fluid gearing of the hydrokinetic type
    • F16H41/24—Details
    • F16H41/26—Shape of runner blades or channels with respect to function
    • 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
    • F16H45/00—Combinations of fluid gearings for conveying rotary motion with couplings or clutches
    • F16H45/02—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type

Definitions

  • the present invention relates to a torque converter, and more particularly to a torque converter that can maximize the torque transmission efficiency of the torque converter.
  • the torque converter is a fluid clutch that serves to transmit or block power of the engine to the transmission in the automatic transmission vehicle.
  • Patent Publication No. 10-0199179 is disclosed.
  • 1 is a configuration diagram showing the configuration of a conventional torque converter.
  • the conventional torque converter includes a front housing 10 coupled to a drive shaft S1 of an engine, and a front housing 20 coupled to the front cover 10 and having an impeller 21 therein.
  • a stator is disposed to face the front housing 20 and coupled by a turbine runner 30 coupled to the output shaft S2 and a one-way clutch to which the blade 31 is fixed to the inside to change the flow direction of oil. 40).
  • stator 40 is composed of a one-way clutch to rotate the turbine runner 30 and then change the flow direction of the oil coming out of the turbine runner 30 to move efficiently to the impeller 21 by torque It will increase the transmission efficiency.
  • stator 40 when the stator 40 reaches a constant ratio of the output shaft S2 to the rotational speed of the drive shaft S1, the stator 40 may be connected to the drive shaft S1 by the rotation of oil in the torque converter. While rotating together in the rotational direction of the output shaft (S2) to maximize the torque transmission efficiency.
  • the conventional torque converter maximizes torque transmission efficiency while the stator 40 does not rotate until the rotation speed of the output shaft S2 reaches a constant ratio to the rotation speed of the drive shaft S1. There was a problem that the time to delay.
  • the present invention is to solve the above problems, the torque converter forcibly rotated by using the centrifugal force of the oil generated by the rotation of the turbine runner to reduce the rotation time of the stator to maximize the torque transmission efficiency
  • the purpose is to provide.
  • Torque converter of the present invention to achieve the above object, and a front cover coupled to the drive shaft of the engine;
  • a front housing coupled to the front cover, the first housing having a first guide part configured to guide oil while fixing a plurality of first impellers and fixing the ends of the first impellers;
  • a turbine runner disposed to face the front housing and having a plurality of first blades fixed therein and having a second guide part for guiding oil while fixing the ends of the first blades and coupled to the output shaft;
  • a stator disposed between the inner circumference of the front housing and the inner circumference of the turbine runner to change an oil flow direction; It includes, but a plurality of second impeller is fixed to the inner side of the second guide portion of the turbine runner, protruding to the second guide portion on the outer periphery of the stator is opposed to the second impeller inside
  • a plurality of second blades are formed with protrusions fixed thereto, and the second impeller is inclined in an opposite direction to the rotation direction of the turbine
  • a third guide portion for guiding oil while fixing the ends of the second impeller is provided at the end of the plurality of second impeller, the end of the plurality of second blades to face the third guide portion It characterized in that the fourth guide portion for guiding oil while fixing the end of the two blades.
  • the third guide portion and the fourth guide portion may be formed in an arc shape in cross section.
  • the second impeller is formed to be inclined in a direction opposite to the rotation direction of the turbine runner in an outward direction from the center of rotation, so that oil is more efficiently sprayed outward from the inside of the second guide when the turbine runner is rotated. This has the effect of making the stator rotate better.
  • stator by causing the stator to be rotated by the second impeller and the second blade, the stator is forcibly rotated to shorten the rotation time, thereby maximizing torque transmission efficiency.
  • the third guide portion and the fourth guide portion is approximately circular, so that the oil smoothly rotates along the inner circumference of the first guide portion and the second guide portion.
  • 1 is a configuration diagram showing the configuration of a conventional torque converter
  • FIG. 2 is a cross-sectional view showing the configuration of a torque converter according to an embodiment of the present invention.
  • FIG 3 is an exploded perspective view of a torque converter according to an embodiment of the present invention.
  • Figure 4 is a bottom perspective view and a bottom view showing the front housing in the torque converter according to an embodiment of the present invention.
  • FIG. 5 is a perspective view and a plan view showing a turbine runner in a torque converter according to an embodiment of the present invention.
  • FIG. 6 is a bottom perspective view and a bottom view showing a stator in a torque converter according to an embodiment of the present invention.
  • FIG. 7 is a perspective view and a plan view showing a stator in a torque converter according to an embodiment of the present invention.
  • front cover 200 front housing 210: first impeller
  • first guide portion 300 turbine toner 310: first blade
  • stator 410 protrusion 420: second blade
  • the torque converter of the present invention includes a front cover 100, a front housing 200, a turbine runner 300, and a stator 400.
  • the thick solid arrows indicate the flow direction of the oil
  • the thin solid arrows indicate the rotation direction.
  • the front cover 100 is coupled to the drive shaft S1 of the engine.
  • the front cover 100 is coupled to the front housing 200 as shown in Figure 2, it is combined with the front housing 200 to form a substantially donut shape.
  • the front housing 200 is coupled to the front cover 100.
  • the front housing 200 is formed in a semi-circular cross section so as to be combined with the front cover 100 to form a substantially donut shape.
  • a first impeller 210 and a first guide part 220 are provided inside the front housing 200 as shown in FIGS. 2 to 4.
  • the first impeller 210 is formed in plural and serves to allow oil to be pumped out by centrifugal force when the front housing 200 rotates.
  • the turbine runner 300 to be described later is rotated by the oil sprayed by the first impeller 210.
  • the first guide portion 220 guides the oil while fixing the end of the end of the first impeller 210.
  • the first guide part 220 when the oil is spouted by the centrifugal force, the first guide part 220 has an inner circumference of the front housing 200 such that the oil moving to the outside by the centrifugal force does not cause vortex, as shown in FIG. 2. Guide to move along well.
  • first guide part 220 is formed in an arc shape as shown in FIG. 2, and a protrusion 410 to be described later is disposed therein.
  • the turbine runner 300 is disposed opposite to the front housing 200, that is, in an arc shape in cross section, and is disposed inside the front cover 100 as illustrated in FIG. 2, and is coupled to the output shaft S2.
  • the turnbinner includes a first blade 310, a second guide part 320, a second impeller 330, and a third guide part 340 as shown in FIGS. 2, 3, and 5. .
  • the plurality of first blades 310 are fixed to the inside of the turbine runner 300.
  • the first blade 310 causes the turbine runner 300 to rotate while the oil spouted by the first impeller 210 collides when the front housing 200 rotates.
  • the output shaft (S2) coupled to the) is rotated.
  • the second guide part 320 guides oil while fixing an end of the first blade 310.
  • the turbine runner 300 does not cause the oil to vortex when moving after the oil hits the first blade 310. Guide them to move well along the inner circumference of).
  • a plurality of the second impeller 330 is fixed to the inside of the second guide portion 320.
  • the oil spouted by the second impeller 330 in this way rotates the stator 400 as described below.
  • the second impeller 330 is formed to be inclined in a direction opposite to the rotation direction of the turbine runner 300 in the outward direction from the center of rotation as shown in FIG.
  • the second impeller 330 is formed to be inclined in an opposite direction to the rotation direction of the turbine runner 300 in an outward direction from the center of rotation, such that the second guide part 320 is rotated when the turbine runner 300 is rotated.
  • the oil is more efficiently sprayed from the inner side to the outer side of the stator 400 so as to rotate better.
  • the third guide part 340 guides oil while fixing the ends of the second impeller 330 to the ends of the plurality of second impellers 330.
  • the third guide part 340 is along the inner circumference of the second guide part 320 such that the oil emitted from the second impeller 330 is not vortexed due to the rotation of the turbine runner 300. Guide to move well.
  • the stator 400 is disposed between the inner circumference of the front housing 200 and the inner circumference of the turbine runner 300 to change the flow direction of oil.
  • stator 400 is changed in the flow direction of the oil exiting the first blade 310 as shown in FIGS. 2, 5, and 6, so that the oil is returned to the front housing 200. It is better supplied to the first impeller 210.
  • stator 400 is configured as a one-way clutch so as not to rotate in the reverse direction.
  • the stator 400 serves to maximize torque transmission efficiency while rotating together with the front housing 200 and the turbine runner 300.
  • the turbine runner 300 includes a protrusion 410, a second blade 420, and a fourth guide 430, as shown in FIGS. 2, 6, and 7.
  • the protrusion 410 protrudes from the outer periphery of the stator 400 to face the second guide 320.
  • the protrusion 410 is formed to face the second guide part 320, that is, to correspond to the first eye part, and is disposed inside the first guide part 220.
  • the plurality of second blades 420 is fixed to the protrusion 410 to face the second impeller 330 inside the protrusion 410.
  • the second blade 420 strikes the stator 400 while hitting oil discharged from the second impeller 330.
  • stator 400 is rotated by the second impeller 330 and the second blade 420 to force the stator 400 to be forcibly rotated, thereby shortening the rotation time, thereby maximizing torque transmission efficiency. Let's do it.
  • the fourth guide part 430 guides the oil while fixing the end of the second blade 420 to the end of the second blade 420 to face the third guide part 340.
  • the fourth guide part 430 guides the oil moving inside the second blade 420 to move well along the inner circumference of the protrusion 410 so that no vortex or the like occurs.
  • the third guide portion 340 and the fourth guide portion 430 is formed in an arc shape in cross-section is approximately circular as shown in FIG.
  • the third guide part 340 and the fourth guide part 430 form a substantially circular shape, so that oil smoothly flows into the first guide part 220 and the second guide part 320. Rotate along the perimeter
  • the thick solid arrow in the drawing shows the direction of oil movement.
  • the centrifugal force is generated in the oil by the rotation of the front housing 200, and thus, the oil is sprayed outward along the first impeller 210.
  • the oil sprayed as described above is hit by the first blade 310 of the turbine runner 300 while the power is transmitted to the turbine runner 300 so as to rotate while being coupled to the turbine runner 300 (S2). ) Will rotate.
  • the sprayed oil strikes the second blade 420 of the protrusion 410, which causes the stator 400 on which the protrusion 410 is formed to rotate.
  • stator 400 is forcibly rotated, thereby maximizing torque transmission efficiency that shortens the rotation time of the stator 400.
  • the stator 400 rotates while the entire oil inside the torque converter rotates, thereby providing torque transmission efficiency.
  • the present invention by the second impeller 330 and the second blade 420, the rotation ratio of the drive shaft (S1) and the rotation ratio of the output shaft (S2) is 10: 5 before the torque
  • the rotation time of the stator 400 is shortened to maximize torque transmission efficiency.
  • the second impeller 330 is inclined in an opposite direction to the rotation direction of the turbine runner 300 in the outward direction from the center of rotation as shown in Figure 5 oil by the second impeller 330 It is more strongly discharged in the outward direction can shorten the time of rotation of the stator 400 as much as possible.
  • the torque converter of the present invention is not limited to the above-described embodiment, and can be implemented in various modifications within the allowable technical spirit of the present invention.

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

Abstract

The present invention relates to a torque converter and, more particularly, to a torque converter capable of maximizing the torque transfer efficiency of the torque converter. The torque converter according to the present invention comprises: a front cover coupled to a driving shaft of an engine; a front housing, which is coupled to the front cover, which has a plurality of first impellers fixed therein, and which has a fist guide portion provided to guide oil while fixing ends of the first impellers; a turbine runner, which is arranged to face the front housing, which has a plurality of first blades fixed therein, which has a second guide portion provided to guide oil while fixing ends of the first blades, and which is coupled to an output shaft; and a stator arranged between the inner periphery of the front housing and the inner periphery of the turbine runner, thereby changing the direction of flow of oil, wherein a plurality of second impellers are fixed inside the second guide portion of the turbine runner, a protrusion is formed on the outer peripheral edge of the stator so as to protrude and to face the second guide portion, the protrusion having a plurality of second blades fixed therein so as to face the second impellers, and the second impellers are formed to slope from the rotation center axis towards the outside in the opposite direction of the direction of rotation of the turbine runner.

Description

토크 컨버터Torque converter
본 발명은 토크 컨버터에 관한 것으로써, 더욱 상세하게는 토크 컨버터의 토크 전달 효율을 극대화할 수 있는 토크 컨버터에 관한 것이다.The present invention relates to a torque converter, and more particularly to a torque converter that can maximize the torque transmission efficiency of the torque converter.
일반적으로, 토크 컨버터는 자동변속기 차량 내에서 엔진의 동력을 변속기에 전달하거나, 차단하는 역할을 하는 유체 클러치이다.In general, the torque converter is a fluid clutch that serves to transmit or block power of the engine to the transmission in the automatic transmission vehicle.
이러한 종래의 토크 컨버터의 일예로는 등록특허공보 제10-0199179호 등이 개시되어 있다.As an example of such a conventional torque converter, Patent Publication No. 10-0199179 is disclosed.
도 1은 종래의 토크 컨버터의 구성을 나타낸 구성도이다.1 is a configuration diagram showing the configuration of a conventional torque converter.
도 1에 도시된 바와 같이 종래의 토크 컨버터는 엔진의 구동샤프트(S1)에 결합되는 프론트커버(10), 상기 프론트커버(10)에 결합되며 내측에 임펠라(21) 구비된 프론트하우징(20), 상기 프론트하우징(20)에 대향되게 배치되며 내측에 블레이드(31)가 고정되어 출력샤프트(S2)에 결합되는 터빈러너(30) 및 일방향 클러치에 의해 결합되어 오일의 흐름방향을 변화시키는 스테이터(40)로 구성된다.As shown in FIG. 1, the conventional torque converter includes a front housing 10 coupled to a drive shaft S1 of an engine, and a front housing 20 coupled to the front cover 10 and having an impeller 21 therein. A stator is disposed to face the front housing 20 and coupled by a turbine runner 30 coupled to the output shaft S2 and a one-way clutch to which the blade 31 is fixed to the inside to change the flow direction of oil. 40).
이러한 종래의 토크 컨버터는 상기 엔진에 의해 상기 구동샤프트(S1)가 구동하면 상기 프론트커버(10)와 상기 프론트하우징(20)이 회전을 하게 되고, 상기 프론트하우징(20)의 회전에 의해 상기 임펠라(21)가 회전하면서 내부에 채우진 오일이 원심력에 의해 외측으로 뿜어지게 된다.In the conventional torque converter, when the driving shaft S1 is driven by the engine, the front cover 10 and the front housing 20 rotate, and the impeller is rotated by the front housing 20. As the 21 is rotated, the oil filled inside is spouted out by centrifugal force.
이렇게 뿜어지는 오일은 상기 블레이드(31)에 부딪치게 되면서 회전력이 상기 터빈러너(30)에 전달되어 상기 출력샤프트(S2)가 회전하게 된다.The oil sprayed in this way impinges on the blade 31 and the rotational force is transmitted to the turbine runner 30 so that the output shaft S2 rotates.
그리고 상기 스테이터(40)는 일방향 클러치로 구성되어 상기 터빈러너(30)를 회전시키고 나서 상기 터빈러너(30)의 내측으로 나오는 오일의 흐름방향을 바꾸어 상기 임펠라(21)로 효율적으로 이동하게 하여 토크 전달 효율을 높이게 된다.And the stator 40 is composed of a one-way clutch to rotate the turbine runner 30 and then change the flow direction of the oil coming out of the turbine runner 30 to move efficiently to the impeller 21 by torque It will increase the transmission efficiency.
특히, 상기 스테이터(40)는 상기 구동샤프트(S1)의 회전속도에 상기 출력샤프트(S2)의 회전속도가 일정한 비율에 도달하게 되면, 토크 컨버터 내의 오일의 회전에 의해 상기 구동샤프트(S1)와 상기 출력샤프트(S2)의 회전 방향으로 함께 회전하면서 토크 전달 효율을 극대화시키게 된다.In particular, when the stator 40 reaches a constant ratio of the output shaft S2 to the rotational speed of the drive shaft S1, the stator 40 may be connected to the drive shaft S1 by the rotation of oil in the torque converter. While rotating together in the rotational direction of the output shaft (S2) to maximize the torque transmission efficiency.
하지만, 종래의 이러한 토크 컨버터는 상기 구동샤프트(S1)의 회전속도에 상기 출력샤프트(S2)의 회전속도가 일정한 비율에 도달하기 전까지는 상기 스테이터(40)가 회전하지 않게 되면서 토크 전달 효율을 극대화시키는 시점이 늦어지는 문제점이 있었다.However, the conventional torque converter maximizes torque transmission efficiency while the stator 40 does not rotate until the rotation speed of the output shaft S2 reaches a constant ratio to the rotation speed of the drive shaft S1. There was a problem that the time to delay.
본 발명은 전술한 문제점을 해결하기 위한 것으로써, 스테이터를 터빈러너의 회전에 의해 발생하는 오일의 원심력을 이용하여 강제로 회전되게 하여 토크 전달 효율이 극대화되는 스테이터의 회전시점을 단축시키는 토크 컨버터를 제공하는데 그 목적이 있다.The present invention is to solve the above problems, the torque converter forcibly rotated by using the centrifugal force of the oil generated by the rotation of the turbine runner to reduce the rotation time of the stator to maximize the torque transmission efficiency The purpose is to provide.
상기 목적을 달성하기 위하여 본 발명의 토크 컨버터는, 엔진의 구동샤프트에 결합되는 프론트커버와; 상기 프론트커버에 결합되어 내측에 복수개의 제1임펠라가 고정되고 상기 제1임펠라의 끝단을 고정하면서 오일을 안내하는 제1안내부가 구비된 프론트하우징과; 상기 프론트하우징에 대향되게 배치되어 내측에 복수개의 제1블레이드가 고정되고 상기 제1블레이드의 끝단을 고정하면서 오일을 안내하는 제2안내부가 구비되어 출력샤프트에 결합되는 터빈러너와; 상기 프론트하우징의 내주와 상기 터빈러너의 내주 사이에 배치되어 오일의 흐름방향을 변화시키는 스테이터; 를 포함하되, 상기 터빈러너의 상기 제2안내부의 내측에는 복수개의 제2임펠라가 고정되고, 상기 스테이터의 외주연에는 상기 제2안내부와 대향되게 돌출형성되어 내측에 상기 제2임펠라와 대향되는 복수개의 제2블레이드가 고정되는 돌출부가 형성되며, 상기 제2임펠라는 회전중심선에서 외측방향으로 상기 터빈러너의 회전방향의 반대 방향으로 경사지게 형성된 것을 특징으로 한다.Torque converter of the present invention to achieve the above object, and a front cover coupled to the drive shaft of the engine; A front housing coupled to the front cover, the first housing having a first guide part configured to guide oil while fixing a plurality of first impellers and fixing the ends of the first impellers; A turbine runner disposed to face the front housing and having a plurality of first blades fixed therein and having a second guide part for guiding oil while fixing the ends of the first blades and coupled to the output shaft; A stator disposed between the inner circumference of the front housing and the inner circumference of the turbine runner to change an oil flow direction; It includes, but a plurality of second impeller is fixed to the inner side of the second guide portion of the turbine runner, protruding to the second guide portion on the outer periphery of the stator is opposed to the second impeller inside A plurality of second blades are formed with protrusions fixed thereto, and the second impeller is inclined in an opposite direction to the rotation direction of the turbine runner in an outward direction from the center of rotation.
또한, 복수개의 상기 제2임펠라의 끝단에는 상기 제2임펠라의 끝단을 고정하면서 오일을 안내하는 제3안내부가 구비되고, 복수개의 상기 제2블레이드의 끝단에는 상기 제3안내부와 대향되게 상기 제2블레이드의 끝단을 고정하면서 오일을 안내하는 제4안내부가 구비된 것을 특징으로 한다.In addition, a third guide portion for guiding oil while fixing the ends of the second impeller is provided at the end of the plurality of second impeller, the end of the plurality of second blades to face the third guide portion It characterized in that the fourth guide portion for guiding oil while fixing the end of the two blades.
또한, 상기 제3안내부와 상기 제4안내부는 단면상 호 형상으로 형성되는 것을 특징으로 한다.The third guide portion and the fourth guide portion may be formed in an arc shape in cross section.
이상에서 설명한 바와 같은 본 발명의 토크 컨버터에 따르면 다음과 같은 효과가 있다.According to the torque converter of the present invention as described above has the following advantages.
상기 제2임펠라가 회전중심선에서 외측방향으로 상기 터빈러너의 회전방향의 반대 방향으로 경사지게 형성됨으로써, 상기 터빈러너의 회전시 상기 제2안내부의 내측에서 외측방향으로 오일이 보다 효율적으로 뿜어지게 하여 상기 스테이터가 보다 잘 회전되게 하는 효과가 있다.The second impeller is formed to be inclined in a direction opposite to the rotation direction of the turbine runner in an outward direction from the center of rotation, so that oil is more efficiently sprayed outward from the inside of the second guide when the turbine runner is rotated. This has the effect of making the stator rotate better.
또한, 상기 제2임펠라와 상기 제2블레이드에 의해 상기 스테이터가 회전되게 함으로써, 상기 스테이터를 강제로 회전되게 하여 회전시점을 단축시켜 토크 전달 효율이 극대화시키는 효과가 있다.In addition, by causing the stator to be rotated by the second impeller and the second blade, the stator is forcibly rotated to shorten the rotation time, thereby maximizing torque transmission efficiency.
또한, 상기 제3안내부와 상기 제4안내부가 대략적으로 원형을 이룸으로써, 오일이 원활하게 상기 제1안내부와 상기 제2안내부의 내주연을 따라 회전하게 하는 효과가 있다.In addition, the third guide portion and the fourth guide portion is approximately circular, so that the oil smoothly rotates along the inner circumference of the first guide portion and the second guide portion.
도 1은 종래의 토크 컨버터의 구성을 나타낸 구성도1 is a configuration diagram showing the configuration of a conventional torque converter
도 2는 본 발명의 일 실시예에 따른 토크 컨버터의 구성을 나타낸 단면도.2 is a cross-sectional view showing the configuration of a torque converter according to an embodiment of the present invention.
도 3은 본 발명의 일 실시예에 따른 토크 컨버터의 분해 사시도.3 is an exploded perspective view of a torque converter according to an embodiment of the present invention.
도 4는 본 발명의 일 실시예에 따른 토크 컨버터에서 프론트하우징을 나타낸 저면사시도 및 저면도.Figure 4 is a bottom perspective view and a bottom view showing the front housing in the torque converter according to an embodiment of the present invention.
도 5는 본 발명의 일 실시예에 따른 토크 컨버터에서 터빈러너을 나타낸 사시도 및 평면도.5 is a perspective view and a plan view showing a turbine runner in a torque converter according to an embodiment of the present invention.
도 6은 본 발명의 일 실시예에 따른 토크 컨버터에서 스테이터를 나타낸 저면 사시도 및 저면도.6 is a bottom perspective view and a bottom view showing a stator in a torque converter according to an embodiment of the present invention.
도 7은 본 발명의 일 실시예에 따른 토크 컨버터에서 스테이터를 나타낸 사시도 및 평면도.7 is a perspective view and a plan view showing a stator in a torque converter according to an embodiment of the present invention.
<도면의 주요 부분에 대한 설명>Description of the main parts of the drawing
100: 프론트커버 200: 프론트하우징 210: 제1임펠라 100: front cover 200: front housing 210: first impeller
220: 제1안내부 300: 터빈너러 310: 제1블레이드  220: first guide portion 300: turbine toner 310: first blade
320: 제2안내부 330: 제2임펠라 340: 제3안내부  320: second guide 330: second impeller 340: third guide
400: 스테이터 410: 돌출부 420: 제2블레이드  400: stator 410: protrusion 420: second blade
430: 제4안내부 S1: 구동샤프트 S2: 출력샤프트  430: fourth guide S1: drive shaft S2: output shaft
도 2 내지 도 7에 도시된 바와 같이 본 발명의 토크 컨버터는 프론트커버(100), 프론트하우징(200), 터빈러너(300), 스테이터(400)를 포함한다.2 to 7, the torque converter of the present invention includes a front cover 100, a front housing 200, a turbine runner 300, and a stator 400.
먼저 도면에서 굵은 실선의 화살표는 오일의 흐름 방향을 나타낸 것이고, 가는 실선의 화살표는 회전방향을 나타낸 것이다.First, the thick solid arrows indicate the flow direction of the oil, and the thin solid arrows indicate the rotation direction.
상기 프론트커버(100)는 엔진의 구동샤프트(S1)에 결합된다.The front cover 100 is coupled to the drive shaft S1 of the engine.
이러한 상기 프론트커버(100)는 도 2에 도시된 바와 같이 상기 프론트하우징(200)과 결합되며, 상기 프론트하우징(200)과 결합되어 대략적으로 도넛형상을 이루게 된다.The front cover 100 is coupled to the front housing 200 as shown in Figure 2, it is combined with the front housing 200 to form a substantially donut shape.
상기 프론트하우징(200)은 상기 프론트커버(100)와 결합된다.The front housing 200 is coupled to the front cover 100.
그리고 상기 프론트하우징(200)은 상기 프론트커버(100)와 결합되어 대략적으로 도넛형상으로 이루도록 단면상 반원형상으로 형성된다.In addition, the front housing 200 is formed in a semi-circular cross section so as to be combined with the front cover 100 to form a substantially donut shape.
이러한 상기 프론트하우징(200)의 내측에는 도 2 내지 도 4에 도시된 바와 같이 제1임펠라(210)와 제1안내부(220)가 구비된다.Inside the front housing 200, a first impeller 210 and a first guide part 220 are provided as shown in FIGS. 2 to 4.
상기 제1임펠라(210)는 복수개로 이루어져 상기 프론트하우징(200)의 회전시, 오일이 원심력에 의해 외측으로 뿜어지게 하는 역할을 한다.The first impeller 210 is formed in plural and serves to allow oil to be pumped out by centrifugal force when the front housing 200 rotates.
이렇게 상기 제1임펠라(210)에 의해 뿜어지는 오일에 의해 후술하는 상기 터빈러너(300)가 회전되게 된다.The turbine runner 300 to be described later is rotated by the oil sprayed by the first impeller 210.
상기 제1안내부(220)는 상기 제1임펠라(210)의 끝단의 끝단을 고정하면서 오일을 안내한다.The first guide portion 220 guides the oil while fixing the end of the end of the first impeller 210.
즉, 상기 제1안내부(220)는 오일이 원심력으로 뿜어질 때, 도 2에 도시된 바와 같이 원심력에 의해 외측으로 이동하는 오일이 와류 등이 일어나지 않게 상기 프론트하우징(200)의 내주연을 따라 잘 이동하게 안내한다.That is, when the oil is spouted by the centrifugal force, the first guide part 220 has an inner circumference of the front housing 200 such that the oil moving to the outside by the centrifugal force does not cause vortex, as shown in FIG. 2. Guide to move along well.
그리고 상기 제1안내부(220)는 도 2에 도시된 바와 같이 호 형상으로 형성되며, 후술하는 돌출부(410)가 그 내측에 배치된다.In addition, the first guide part 220 is formed in an arc shape as shown in FIG. 2, and a protrusion 410 to be described later is disposed therein.
상기 터빈러너(300)는 상기 프론트하우징(200)에 대향지게 즉, 단면상 호 형상으로 도 2에 도시된 바와 같이 상기 프론트커버(100)의 내측에 배치되며, 출력샤프트(S2)에 결합된다.The turbine runner 300 is disposed opposite to the front housing 200, that is, in an arc shape in cross section, and is disposed inside the front cover 100 as illustrated in FIG. 2, and is coupled to the output shaft S2.
이러한 상기 턴빈러너는 도 2, 도 3 및 도 5에 도시된 바와 같이 제1블레이드(310), 제2안내부(320), 제2임펠라(330) 및 제3안내부(340)가 구비된다.The turnbinner includes a first blade 310, a second guide part 320, a second impeller 330, and a third guide part 340 as shown in FIGS. 2, 3, and 5. .
상기 제1블레이드(310)는 상기 터빈러너(300)의 내측에 복수개로 고정된다.The plurality of first blades 310 are fixed to the inside of the turbine runner 300.
이러한 상기 제1블레이드(310)는 상기 프론트하우징(200)의 회전시, 상기 제1임펠라(210)에 의해 뿜어져 나오는 오일이 부딪치면서 상기 터빈러너(300)가 회전되게 하여 상기 터빈러너(300)에 결합된 상기 출력샤프트(S2)가 회전되게 한다.The first blade 310 causes the turbine runner 300 to rotate while the oil spouted by the first impeller 210 collides when the front housing 200 rotates. The output shaft (S2) coupled to the) is rotated.
상기 제2안내부(320)는 상기 제1블레이드(310)의 끝단을 고정하면서 오일을 안내한다.The second guide part 320 guides oil while fixing an end of the first blade 310.
더욱 상세하게는, 상기 제2안내부(320) 도 2에 및 도 5에 도시된 바와 같이 오일이 상기 제1블레이드(310)에 부딪치고 나서 이동시 오일이 와류 등이 일어나지 않게 상기 터빈러너(300)의 내주연을 따라 잘 이동하게 안내한다.More specifically, as shown in FIGS. 2 and 5 of the second guide part 320, the turbine runner 300 does not cause the oil to vortex when moving after the oil hits the first blade 310. Guide them to move well along the inner circumference of).
상기 제2임펠라(330)는 상기 제2안내부(320)의 내측에 복수개가 고정된다.A plurality of the second impeller 330 is fixed to the inside of the second guide portion 320.
이러한 상기 제2임펠라(330)는 도 2에 도시된 바와 같이 상기 터빈러너(300)의 회전시, 상기 제2안내부(320) 내측의 오일을 원심력에 의해 외측으로 뿜어지게 한다.The second impeller 330 as shown in Figure 2, when the turbine runner 300 is rotated, the oil inside the second guide portion 320 is spouted out by the centrifugal force.
이렇게 상기 제2임펠라(330)에 의해 뿜어진 오일은 후술하는 바와 같이 상기 스테이터(400)를 회전시킨다.The oil spouted by the second impeller 330 in this way rotates the stator 400 as described below.
이러한 상기 제2임펠라(330)는 도 5에 도시된 바와 같이 회전중심선에서 외측방향으로 상기 터빈러너(300)의 회전방향의 반대 방향으로 경사지게 형성된다.The second impeller 330 is formed to be inclined in a direction opposite to the rotation direction of the turbine runner 300 in the outward direction from the center of rotation as shown in FIG.
이와 같이 상기 제2임펠라(330)가 회전중심선에서 외측방향으로 상기 터빈러너(300)의 회전방향의 반대 방향으로 경사지게 형성됨으로써, 상기 터빈러너(300)의 회전시 상기 제2안내부(320)의 내측에서 외측방향으로 오일이 보다 효율적으로 뿜어지게 하여 상기 스테이터(400)가 보다 잘 회전되게 한다.As such, the second impeller 330 is formed to be inclined in an opposite direction to the rotation direction of the turbine runner 300 in an outward direction from the center of rotation, such that the second guide part 320 is rotated when the turbine runner 300 is rotated. The oil is more efficiently sprayed from the inner side to the outer side of the stator 400 so as to rotate better.
상기 제3안내부(340)는 복수개의 상기 제2임펠라(330)의 끝단에 상기 제2임펠라(330)의 끝단을 고정하면서 오일을 안내한다.The third guide part 340 guides oil while fixing the ends of the second impeller 330 to the ends of the plurality of second impellers 330.
이러한 상기 제3안내부(340)는 상기 터빈러너(300)의 회전에 의해 상기 제2임펠라(330)에서 뿜어지는 오일이 와류 등이 일어나지 않게 상기 제2안내부(320)의 내주연을 따라 잘 이동하게 안내한다.The third guide part 340 is along the inner circumference of the second guide part 320 such that the oil emitted from the second impeller 330 is not vortexed due to the rotation of the turbine runner 300. Guide to move well.
상기 스테이터(400)는 상기 프론트하우징(200)의 내주와 상기 터빈러너(300)의 내주 사이에 배치되어 오일의 흐름방향을 변화시킨다.The stator 400 is disposed between the inner circumference of the front housing 200 and the inner circumference of the turbine runner 300 to change the flow direction of oil.
더욱 상세하게는 상기 스테이터(400)는 도 2, 도 5 및 도 6에 도시된 바와 같이 상기 제1블레이드(310)를 빠져나온 오일의 흐름방향으로 변화시켜 오일이 다시 상기 프론트하우징(200)의 상기 제1임펠라(210)에 보다 잘 공급된다.In more detail, the stator 400 is changed in the flow direction of the oil exiting the first blade 310 as shown in FIGS. 2, 5, and 6, so that the oil is returned to the front housing 200. It is better supplied to the first impeller 210.
따라서 이러한 상기 스테이터(400)는 역방향으로 회전하지 않게 일방향 클러치로 구성된다.Therefore, the stator 400 is configured as a one-way clutch so as not to rotate in the reverse direction.
그리고 상기 스테이터(400)는 상기 프론트하우징(200) 및 상기 터빈러너(300)와 함께 회전하면서 토크 전달 효율을 극대화시키는 역할을 한다.The stator 400 serves to maximize torque transmission efficiency while rotating together with the front housing 200 and the turbine runner 300.
이러한 상기 터빈러너(300)에는 도 2, 도 6 및 도 7에 도시된 바와 같이 돌출부(410), 제2블레이드(420) 및 제4안내부(430)가 구비된다.The turbine runner 300 includes a protrusion 410, a second blade 420, and a fourth guide 430, as shown in FIGS. 2, 6, and 7.
상기 돌출부(410)는 상기 스테이터(400)의 외주연에 상기 제2안내부(320)와 대향되게 돌출형성된다.The protrusion 410 protrudes from the outer periphery of the stator 400 to face the second guide 320.
더욱 상세하게는, 상기 돌출부(410)는 상기 제2안내부(320)와 대향되게 즉, 상기 제1안부와 대응되게 형성되어 상기 제1안내부(220)의 내측에 배치된다.In more detail, the protrusion 410 is formed to face the second guide part 320, that is, to correspond to the first eye part, and is disposed inside the first guide part 220.
상기 제2블레이드(420)는 상기 돌출부(410)의 내측에 복수개가 상기 제2임펠라(330)와 대향되게 상기 돌출부(410)에 고정된다.The plurality of second blades 420 is fixed to the protrusion 410 to face the second impeller 330 inside the protrusion 410.
이러한 상기 제2블레이드(420)는 도 6 및 도 7에 도시된 바와 같이 상기 제2임펠라(330)에서 뿜어져 나오는 오일에 부딪치면서 상기 스테이터(400)가 회전하게 한다.As shown in FIGS. 6 and 7, the second blade 420 strikes the stator 400 while hitting oil discharged from the second impeller 330.
이와 같이 상기 제2임펠라(330)와 상기 제2블레이드(420)에 의해 상기 스테이터(400)가 회전되게 함으로써, 상기 스테이터(400)를 강제로 회전되게 하여 회전시점을 단축시켜 토크 전달 효율이 극대화시킨다.As described above, the stator 400 is rotated by the second impeller 330 and the second blade 420 to force the stator 400 to be forcibly rotated, thereby shortening the rotation time, thereby maximizing torque transmission efficiency. Let's do it.
상기 제4안내부(430)는 상기 제2블레이드(420) 끝단에 상기 제3안내부(340)와 대향되게 상기 제2블레이드(420)의 끝단을 고정하면서 오일을 안내한다.The fourth guide part 430 guides the oil while fixing the end of the second blade 420 to the end of the second blade 420 to face the third guide part 340.
더욱 상세하게는, 상기 제4안내부(430)는 상기 제2블레이드(420) 내측을 이동하는 오일이 와류 등이 일어나지 않게 상기 돌출부(410)의 내주연을 따라 잘 이동하게 안내한다.In more detail, the fourth guide part 430 guides the oil moving inside the second blade 420 to move well along the inner circumference of the protrusion 410 so that no vortex or the like occurs.
한편, 상기 제3안내부(340)와 상기 제4안내부(430)는 단면상 호 형상으로 형성되어 도 2에 도시된 바와 같이 대략적으로 원형을 이룬다.On the other hand, the third guide portion 340 and the fourth guide portion 430 is formed in an arc shape in cross-section is approximately circular as shown in FIG.
이와 같이 상기 제3안내부(340)와 상기 제4안내부(430)가 대략적으로 원형을 이룸으로써, 오일이 원활하게 상기 제1안내부(220)와 상기 제2안내부(320)의 내주연을 따라 회전한다.As such, the third guide part 340 and the fourth guide part 430 form a substantially circular shape, so that oil smoothly flows into the first guide part 220 and the second guide part 320. Rotate along the perimeter
이와 같은 구성으로 이루어진 본 발명의 토크 컨버터의 오일의 흐름과 작동 과정을 자세히 설명한다.The flow and operation of the oil of the torque converter of the present invention having such a configuration will be described in detail.
먼저 도면에서 굵은 실선의 화살표는 오일의 이동방향을 나타낸 것이다.First, the thick solid arrow in the drawing shows the direction of oil movement.
엔진이 구동을 하게 되면 엔진의 상기 구동샤프트(S1)에 연결된 상기 프론트커버(100)와 상기 프론트하우징(200)이 회전을 하게 된다.When the engine is driven, the front cover 100 and the front housing 200 connected to the drive shaft S1 of the engine rotate.
이때, 상기 프론트하우징(200)의 회전의 의해 오일에는 원심력이 발생하게 되고, 이로 인해, 오일은 상기 제1임펠라(210)를 따라 외측방향으로 뿜어지게 된다.At this time, the centrifugal force is generated in the oil by the rotation of the front housing 200, and thus, the oil is sprayed outward along the first impeller 210.
이렇게 뿜어지는 오일은 상기 터빈러너(300)의 상기 제1블레이드(310)에 부딪치게 되면서 상기 터빈러너(300)에 동력이 전달되게 되어 회전하면서 상기 터빈러너(300)에 결합되어 있는 출력샤프트(S2)가 회전하게 된다.The oil sprayed as described above is hit by the first blade 310 of the turbine runner 300 while the power is transmitted to the turbine runner 300 so as to rotate while being coupled to the turbine runner 300 (S2). ) Will rotate.
그리고 오일은 상기 터빈러너(300)의 내주연을 따라 내측 즉, 회전중심선상으로 이동을 하게 되고, 이렇게 이동한 오일은 상기 스테이터(400)에 의해 방향이 바뀌면서 다시 상기 제1임펠라(210)도 이동하여 위와 같은 과정이 반복된다.And the oil is moved along the inner circumference of the turbine runner 300, that is, the rotation center line on the inside, the oil moved in this way by the stator 400 is changed again the first impeller 210 also The above process is repeated by moving.
한편, 상기 터빈러너(300)가 회전을 하게 되면, 상기 터빈러너(300)의 상기 제2임펠라(330)에 의해 상기 제2안내부(320)의 내측의 오일은 원심력에 의해 외측방향 즉, 회전중심선상의 외측방향으로 뿜어지게 된다.On the other hand, when the turbine runner 300 is rotated, the oil inside the second guide portion 320 by the second impeller 330 of the turbine runner 300 is outward direction, that is, by centrifugal force, It is emitted in the outward direction on the center of rotation.
이렇게 뿜어진 오일은 상기 돌출부(410)의 상기 제2블레이드(420)에 부딪치게 되고, 이로 인해 상기 돌출부(410)가 형성된 상기 스테이터(400)가 회전을 하게 된다.The sprayed oil strikes the second blade 420 of the protrusion 410, which causes the stator 400 on which the protrusion 410 is formed to rotate.
이와 같은 과정이 반복되면서 상기 스테이터(400)가 강제로 회전되고 이로 인해, 상기 스테이터(400)의 회전시점을 단축시키는 토크 전달 효율이 극대화되게 된다.As the above process is repeated, the stator 400 is forcibly rotated, thereby maximizing torque transmission efficiency that shortens the rotation time of the stator 400.
일예로 종래에 상기 구동샤프트(S1)의 회전비와 상기 출력샤프트(S2)의 회전비가 10:5일 경우 토크 컨버터 내부의 오일 전체가 회전을 하게 되면서 상기 스테이터(400)가 회전을 하여 토크 전달 효율이 극대화 되게 되지만, 본 발명은 상기 제2임펠라(330)와 상기 제2블레이드(420)에 의해 상기 구동샤프트(S1)의 회전비와 상기 출력샤프트(S2)의 회전비가 10:5 이전 즉, 토크 컨버터 내부의 오일 전체가 회전하기 전에 상기 스테이터(400)가 회전하게 되면서 상기 스테이터(400)의 회전시점이 단축하여 토크 전달 효율을 극대화 시킨다.For example, when the rotation ratio of the driving shaft S1 and the rotation ratio of the output shaft S2 are 10: 5, the stator 400 rotates while the entire oil inside the torque converter rotates, thereby providing torque transmission efficiency. This is maximized, but the present invention by the second impeller 330 and the second blade 420, the rotation ratio of the drive shaft (S1) and the rotation ratio of the output shaft (S2) is 10: 5 before the torque As the stator 400 rotates before the entire oil inside the converter rotates, the rotation time of the stator 400 is shortened to maximize torque transmission efficiency.
특히, 상기 제2임펠라(330)가 도 5에 도시된 바와 같이 회전중심선에서 외측방향으로 상기 터빈러너(300)의 회전방향의 반대 방향으로 경사지게 형성되어 있어 상기 제2임펠라(330)에 의해 오일이 외측방향으로 좀 더 강하게 뿜어지게 되어 상기 스테이터(400)의 회전시점을 최대한 단축할 수 있다.In particular, the second impeller 330 is inclined in an opposite direction to the rotation direction of the turbine runner 300 in the outward direction from the center of rotation as shown in Figure 5 oil by the second impeller 330 It is more strongly discharged in the outward direction can shorten the time of rotation of the stator 400 as much as possible.
본 발명의 토크 컨버터는 전술한 실시예에 국한하지 않고, 본 발명의 기술 사상이 허용되는 범위 내에서 다양하게 변형하여 실시할 수 있다.The torque converter of the present invention is not limited to the above-described embodiment, and can be implemented in various modifications within the allowable technical spirit of the present invention.

Claims (3)

  1. 엔진의 구동샤프트에 결합되는 프론트커버와;A front cover coupled to the drive shaft of the engine;
    상기 프론트커버에 결합되어 내측에 복수개의 제1임펠라가 고정되고 상기 제1임펠라의 끝단을 고정하면서 오일을 안내하는 제1안내부가 구비된 프론트하우징과;A front housing coupled to the front cover, the first housing having a first guide part configured to guide oil while fixing a plurality of first impellers and fixing the ends of the first impellers;
    상기 프론트하우징에 대향되게 배치되어 내측에 복수개의 제1블레이드가 고정되고 상기 제1블레이드의 끝단을 고정하면서 오일을 안내하는 제2안내부가 구비되어 출력샤프트에 결합되는 터빈러너와;A turbine runner disposed to face the front housing and having a plurality of first blades fixed therein and having a second guide part for guiding oil while fixing the ends of the first blades and coupled to the output shaft;
    상기 프론트하우징의 내주와 상기 터빈러너의 내주 사이에 배치되어 오일의 흐름방향을 변화시키는 스테이터; 를 포함하되,A stator disposed between the inner circumference of the front housing and the inner circumference of the turbine runner to change an oil flow direction; Including,
    상기 터빈러너의 상기 제2안내부의 내측에는 복수개의 제2임펠라가 고정되고,A plurality of second impeller is fixed inside the second guide portion of the turbine runner,
    상기 스테이터의 외주연에는 상기 제2안내부와 대향되게 돌출형성되어 내측에 상기 제2임펠라와 대향되는 복수개의 제2블레이드가 고정되는 돌출부가 형성되며,The outer periphery of the stator is formed to protrude so as to face the second guide portion is formed with a plurality of protrusions to be fixed to the second blade facing the second impeller inside,
    상기 제2임펠라는 회전중심선에서 외측방향으로 상기 터빈러너의 회전방향의 반대 방향으로 경사지게 형성된 것을 특징으로 하는 토크 컨버터.The second impeller is a torque converter, characterized in that inclined in the direction opposite to the rotation direction of the turbine runner in the outward direction from the center of rotation.
  2. 청구항 1에 있어서,The method according to claim 1,
    복수개의 상기 제2임펠라의 끝단에는 상기 제2임펠라의 끝단을 고정하면서 오일을 안내하는 제3안내부가 구비되고,End portions of the plurality of second impellers are provided with a third guide portion for guiding oil while fixing the ends of the second impellers,
    복수개의 상기 제2블레이드의 끝단에는 상기 제3안내부와 대향되게 상기 제2블레이드의 끝단을 고정하면서 오일을 안내하는 제4안내부가 구비된 것을 특징으로 하는 토크 컨버터.Torque converter characterized in that the end of the second blade is provided with a fourth guide for guiding the oil while fixing the end of the second blade facing the third guide.
  3. 청구항 2에 있어서,The method according to claim 2,
    상기 제3안내부와 상기 제4안내부는 단면상 호 형상으로 형성되는 것을 특징으로 하는 토크 컨버터.And the third guide portion and the fourth guide portion are formed in an arc shape in cross section.
PCT/KR2015/011175 2015-07-06 2015-10-22 Torque converter WO2017007070A1 (en)

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Publication number Priority date Publication date Assignee Title
KR101862673B1 (en) * 2017-05-22 2018-05-31 김종길 Toque converter
KR102423616B1 (en) * 2020-11-20 2022-07-22 큐빅스테크 주식회사 Toque converter with wobble prevention structure of turbine

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JPH112304A (en) * 1997-06-10 1999-01-06 Exedy Corp Impeller blade of impeller in torque converter, impeller of torque converter, torque converter, and method of fixing impeller blade on impeller shell of torque converter
JPH11193858A (en) * 1997-12-26 1999-07-21 Aisin Aw Kogyo Kk Resonance sound generation preventing structure of torque converter
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JP2004197906A (en) * 2002-12-20 2004-07-15 Exedy Corp Torque converter
JP2011069464A (en) * 2009-09-28 2011-04-07 Jatco Ltd Shell structure of torque converter
CN203703042U (en) * 2013-12-31 2014-07-09 法雷奥汽车自动传动系统(南京)有限公司 Torque converter for improved turbine blade
CN203703043U (en) * 2013-12-31 2014-07-09 法雷奥汽车自动传动系统(南京)有限公司 Torque converter for improved guide wheel impeller

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JPH08210461A (en) * 1995-02-03 1996-08-20 Daihatsu Motor Co Ltd Torque converter
JPH112304A (en) * 1997-06-10 1999-01-06 Exedy Corp Impeller blade of impeller in torque converter, impeller of torque converter, torque converter, and method of fixing impeller blade on impeller shell of torque converter
JPH11193858A (en) * 1997-12-26 1999-07-21 Aisin Aw Kogyo Kk Resonance sound generation preventing structure of torque converter
JP2013245773A (en) * 2012-05-27 2013-12-09 Jatco Ltd Stator structure in torque converter
KR101377253B1 (en) * 2012-12-17 2014-03-26 한국파워트레인 주식회사 Torque converter for vehicle

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