WO2017007070A1 - Convertisseur de couple - Google Patents

Convertisseur de couple 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
Authority
WO
WIPO (PCT)
Prior art keywords
oil
turbine runner
torque converter
guide
guide portion
Prior art date
Application number
PCT/KR2015/011175
Other languages
English (en)
Korean (ko)
Inventor
김종길
Original Assignee
김종길
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김종길 filed Critical 김종길
Publication of WO2017007070A1 publication Critical patent/WO2017007070A1/fr

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Classifications

    • 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

La présente invention concerne un convertisseur de couple, et, plus particulièrement, un convertisseur de couple apte à maximiser l'efficacité de transfert de couple du convertisseur de couple. Le convertisseur de couple selon la présente invention comprend : un capot avant couplé à un arbre d'entraînement d'un moteur; un boîtier avant, qui est couplé au capot avant, qui a une pluralité de premières hélices fixées à l'intérieur de ce dernier, et qui a une première partie de guidage prévue pour guider de l'huile tout en fixant les extrémités des premières hélices; une roue de turbine, qui est disposée de manière à faire face au boîtier avant, qui a une pluralité de premières pales fixées à l'intérieur de cette dernière, qui a une seconde partie de guidage prévue pour guider de l'huile tout en fixant les extrémités des premières pales, et qui est accouplée à un arbre de sortie; et un stator disposé entre la périphérie interne du boîtier avant et la périphérie interne de la roue de turbine, de façon à changer ainsi la direction d'écoulement de l'huile, une pluralité de secondes hélices étant fixées à l'intérieur de la seconde partie de guidage de la roue de turbine, une saillie étant formée sur le bord périphérique externe du stator de manière à faire saillie et à faire face à la seconde partie de guidage, la saillie ayant une pluralité de secondes pales fixées à l'intérieur de cette dernière de manière à faire face aux secondes hélices, et les secondes hélices étant formées de façon à être inclinées à partir de l'axe central de rotation vers l'extérieur dans la direction opposée à la direction de rotation de la roue de turbine.
PCT/KR2015/011175 2015-07-06 2015-10-22 Convertisseur de couple WO2017007070A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150095693A KR20170005546A (ko) 2015-07-06 2015-07-06 토크 컨버터
KR10-2015-0095693 2015-07-06

Publications (1)

Publication Number Publication Date
WO2017007070A1 true WO2017007070A1 (fr) 2017-01-12

Family

ID=54797602

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2015/011175 WO2017007070A1 (fr) 2015-07-06 2015-10-22 Convertisseur de couple

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KR (1) KR20170005546A (fr)
CN (1) CN105156630B (fr)
WO (1) WO2017007070A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101862673B1 (ko) * 2017-05-22 2018-05-31 김종길 토크 컨버터
KR102423616B1 (ko) * 2020-11-20 2022-07-22 큐빅스테크 주식회사 터빈 런너의 유동 방지 구조를 갖는 토크 컨버터

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08210461A (ja) * 1995-02-03 1996-08-20 Daihatsu Motor Co Ltd トルクコンバータ
JPH112304A (ja) * 1997-06-10 1999-01-06 Exedy Corp トルクコンバータのインペラのインペラブレード、トルクコンバータのインペラ、トルクコンバータ、及びトルクコンバータのインペラシェルへのインペラブレードの固定方法
JPH11193858A (ja) * 1997-12-26 1999-07-21 Aisin Aw Kogyo Kk トルクコンバータの共振音発生防止構造
JP2013245773A (ja) * 2012-05-27 2013-12-09 Jatco Ltd トルクコンバータにおけるステータ構造
KR101377253B1 (ko) * 2012-12-17 2014-03-26 한국파워트레인 주식회사 차량용 토크 컨버터

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1298990A (en) * 1917-04-12 1919-04-01 William H Mason Gearless power transmission.
JP2004197906A (ja) * 2002-12-20 2004-07-15 Exedy Corp トルクコンバータ
JP2011069464A (ja) * 2009-09-28 2011-04-07 Jatco Ltd トルクコンバータのシェル構造
CN203703042U (zh) * 2013-12-31 2014-07-09 法雷奥汽车自动传动***(南京)有限公司 一种改进涡轮叶片的液力变矩器
CN203703043U (zh) * 2013-12-31 2014-07-09 法雷奥汽车自动传动***(南京)有限公司 一种改进导轮叶片的液力变矩器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08210461A (ja) * 1995-02-03 1996-08-20 Daihatsu Motor Co Ltd トルクコンバータ
JPH112304A (ja) * 1997-06-10 1999-01-06 Exedy Corp トルクコンバータのインペラのインペラブレード、トルクコンバータのインペラ、トルクコンバータ、及びトルクコンバータのインペラシェルへのインペラブレードの固定方法
JPH11193858A (ja) * 1997-12-26 1999-07-21 Aisin Aw Kogyo Kk トルクコンバータの共振音発生防止構造
JP2013245773A (ja) * 2012-05-27 2013-12-09 Jatco Ltd トルクコンバータにおけるステータ構造
KR101377253B1 (ko) * 2012-12-17 2014-03-26 한국파워트레인 주식회사 차량용 토크 컨버터

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CN105156630B (zh) 2017-09-29
KR20170005546A (ko) 2017-01-16
CN105156630A (zh) 2015-12-16

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