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WO2019117469A1 - Convertisseur de couple pour véhicule et procédé de commande correspondant - Google Patents

Convertisseur de couple pour véhicule et procédé de commande correspondant Download PDF

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Publication number
WO2019117469A1
WO2019117469A1 PCT/KR2018/013515 KR2018013515W WO2019117469A1 WO 2019117469 A1 WO2019117469 A1 WO 2019117469A1 KR 2018013515 W KR2018013515 W KR 2018013515W WO 2019117469 A1 WO2019117469 A1 WO 2019117469A1
Authority
WO
WIPO (PCT)
Prior art keywords
eddy current
torque
current unit
way clutch
gear
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2018/013515
Other languages
English (en)
Korean (ko)
Inventor
김준성
권기현
이원호
신순철
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Kapec Co Ltd
Original Assignee
Valeo Kapec Co Ltd
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 Valeo Kapec Co Ltd filed Critical Valeo Kapec Co Ltd
Publication of WO2019117469A1 publication Critical patent/WO2019117469A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D43/00—Automatic clutches
    • F16D43/02—Automatic clutches actuated entirely mechanically
    • F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
    • F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
    • H02K49/02—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type
    • H02K49/04—Dynamo-electric clutches; Dynamo-electric brakes of the asynchronous induction type of the eddy-current hysteresis type
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D43/00—Automatic clutches
    • F16D43/02—Automatic clutches actuated entirely mechanically
    • F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
    • F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
    • F16D2043/145—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members the centrifugal masses being pivoting

Definitions

  • the present invention relates to a torque converter for a vehicle and a control method thereof, and more particularly, to a torque converter for a vehicle and a control method thereof for multiplying a torque input from an engine using an electromagnetic force and a planetary gear.
  • the torque converter is installed between the engine of the vehicle and the automatic transmission, and uses the fluid friction force to transmit the driving force of the engine to the automatic transmission.
  • the torque converter includes a front cover that receives the driving force of the engine, an impeller that rotates integrally with the front cover, a turbine that is rotated by the fluid discharged from the impeller, and a flow of fluid returning from the turbine to the impeller, (Also referred to as "stator”) that increases the rate of torque change.
  • torque converters using fluids have the disadvantage that they can not be applied to a fluid-free structure.
  • An object of the present invention is to provide a torque converter for a vehicle that is simple in structure, low in manufacturing and design cost, and applicable to a structure not using a fluid.
  • An object of the present invention is to provide a vehicle torque converter control method for controlling the vehicle torque converter.
  • a torque converter for a vehicle is connected to an input shaft by a first element (e.g., a ring gear), connected to an output shaft by a second element (e.g., a carrier)
  • a first element e.g., a ring gear
  • a second element e.g., a carrier
  • a first eddy-current section for interrupting the connection between the first element and the second element, and a second eddy-current element interposed between the third element and the fixed section, And a one-way clutch.
  • the first eddy current unit may disconnect, partially connect, or synchronously connect the first element and the second element.
  • the second eddy current unit is connected to the third element, and the one-way clutch can connect the second eddy current unit and the fixing unit to each other.
  • the first element may be a ring gear
  • the second element may be a carrier
  • the third element may be a sun gear
  • a method for controlling a torque converter for an automobile includes a first element (e.g., a ring gear) connected to an input shaft, a second element (e.g., a carrier) connected to the output shaft, In a planetary gear having a third element (e.g., sun gear) and a speed ratio by a set gear ratio, an operation control of a first eddy current unit provided between the first element and the second element at a speed ratio by the gear ratio (Synchronizing) the torque output to the second element by synchronously controlling the first element and the second element, and a second step of increasing (synchronizing) the torque output to the second element by synchronizing the first element and the second element, And a second step of increasing the torque output to the second element by controlling the operation of the second eddy current unit connected to the one-way clutch in the reverse direction.
  • a first element e.g., a ring gear
  • a second element e.g., a carrier
  • the one-way clutch provided between the second eddy current unit and the fixed unit can be inactivated.
  • the one-way clutch provided between the second eddy current unit and the fixed unit can be operated after non-operation.
  • the second step may transfer part of the output shaft torque to the second element due to partial operation of the first eddy current part.
  • the method for controlling a torque converter for an automotive vehicle includes stopping the third element by controlling operation of the one-way clutch and the second eddy current unit within a speed ratio by the gear ratio, And a third step of outputting a normal torque.
  • the third step may transfer part of the output shaft torque to the second element due to partial operation of the first eddy current part.
  • the first and second elements of the planetary gear are synchronously connected to the first eddy current unit, the second eddy current unit is connected to the third element and the fixed unit,
  • the output torque can be multiplied (synchronized) by controlling the speed ratio by the gear ratio, and the output torque can be multiplied by the speed ratio by the gear ratio.
  • one embodiment simplifies the structure of the torque converter, lowers manufacturing and design costs, and can be applied to structures that do not use fluids.
  • FIG. 1 is a configuration diagram of a torque converter for a vehicle according to an embodiment of the present invention.
  • FIG. 2 is a table showing the operation of the first eddy current unit, the second eddy current unit, and the one-way clutch, which are controlled by the control method of the torque converter for a vehicle according to the embodiment of the present invention.
  • FIG. 3 is a table showing the operation of the planetary gear elements controlled by the method for controlling a torque converter for a vehicle according to an embodiment of the present invention.
  • the planetary gear when a planetary gear is fixed to one of three elements, the other two elements operate as input and output, and have a gear ratio set between the input and output. Under these conditions, the planetary gear has the characteristic that the torque sum of the input stage, the output stage and the fixed stage becomes zero, and the torque can be transmitted only within the speed ratio by the set gear ratio.
  • the planetary gears can multiply the input torque in the sub-speed ratio by the gear ratio, and can increase the input torque by synchronizing the speed between the input element and the output element in the section over the speed ratio by the gear ratio .
  • a vehicle torque converter of an embodiment is configured to connect both the engine E and the automatic transmission TM to each other so as to convert the output torque of the engine E and transfer the output torque to the automatic transmission TM do.
  • the torque converter of one embodiment is connected to the engine E via the input shaft 1 and to the automatic transmission TM by the output shaft 2.
  • the torque converter includes a first element 11, a second element 12 and a third element 13 and includes a planetary gear 10 connected to the input shaft 1 and the output shaft 2.
  • the first element 11 in the planetary gear 10 is the ring gear R and the second element 12 is the carrier C connecting the pinion gear P and the third element 13, Is the sun gear (S).
  • the torque converter of one embodiment includes a first eddy current section 21, a second eddy current section 22, and a one-way clutch 23.
  • the first eddy current unit 21 and the second eddy current unit 22 are composed of a noncontact coupling which is operated and partially operated by an electromagnetic force generated by an eddy current.
  • the first and second eddy current portions 21 and 22 can transmit the torque synchronously or partially transmit the torque by operation and partial operation.
  • a first element (e.g., ring gear R) 11 is connected to the input shaft 1, and a second element (e.g., carrier C) And the third element (e.g., the sun gear S) 13 is variably connected to the fixed portion 14.
  • the fixing portion 14 is fixed to the automatic transmission TM or the vehicle.
  • the first eddy current unit 21 is disposed between a first element 11 connected to the input shaft 1 and a second element 12 connected to the output shaft 2 and includes a first member 211 And a second member 212 so as to be connected to the first element 11 and the second element 12 by a first member 211 and a second member 212, respectively.
  • the first eddy current unit 21 separates and partially connects or connects the first and second members 211 and 212 to each other by the electromagnetic force formed between the first and second members 211 and 212 by the eddy current,
  • the first element 11 and the second element 12 are separated, partially connected or synchronously connected to each other.
  • the second eddy current unit 22 and the one-way clutch 23 are connected to each other to interlock the connection of the third element 13 and the fixed portion 14.
  • the second eddy current section 22 is connected to the third element 13 and the one-way clutch 23 is disposed between the second eddy current section 22 and the fixed section 14.
  • the second eddy current unit 22 is disposed between the third element 13 and the one-way clutch 23 and includes a first member 221 and a second member 222 facing each other on both sides, Way clutch 23 to the third element 13 and the one-way clutch 23 to the second member 221 and the second member 222, respectively.
  • the one-way clutch 23 connects the second member 222 of the second eddy current unit 22 and the fixing member 14 so as to be rotatable in one direction so that the second eddy- The second member 22 and the third element 13 of the second eddy current unit 22 are rotated in the reverse direction when the first eddy current unit 22 and the third eddy current unit 22 are not operated, It can be stopped.
  • the second eddy current unit 22 separates, partially connects, or synchronously connects the first and second members 221 and 222 to each other by the electromagnetic force formed between the first and second members 221 and 222 by the eddy current ,
  • the third element (13) and the one-way clutch (23) are disconnected, partially connected or synchronously connected to each other.
  • Way clutch 23 is operated to stop the second member 222 of the second eddy current unit 22 from moving toward the fixed portion 14 (see FIG. 14) when driven within the speed ratio by the gear ratio at which the second eddy current portion 22 operates. ). At this time, the first eddy current unit 21 partially operates to transmit a part of the torque of the output shaft 1 to the second element 12.
  • the one-way clutch 23 operates after the non-operation to stop the second member 222 after rotating in the reverse direction when the speed ratio is driven by the gear ratio at which the second eddy current unit 22 operates. At this time, the first eddy current unit 21 partially operates to transmit a part of the torque of the output shaft 1 to the second element 12.
  • the ratio of the output speed to the input speed is less than 1 / gear ratio ((output speed / input speed) ⁇ (1 / gear ratio)).
  • the operation of the second eddy current section 22 causes the third element 13 to rotate in the reverse direction and then stop, and the one-way clutch 23 operates after the non- maintain.
  • the first member 221 connected to the third element 13 is reversely rotated, and the second member 222 connected to the one-way clutch 23 is stopped.
  • an eddy current torque is generated in the second eddy current portion 22 between the third element 13 and the one-way clutch 23, and the output torque is increased until the speed ratio by the gear ratio becomes equal.
  • the first and second elements 11 and 12 are synchronously rotated in the forward direction by the operation of the first eddy current unit 21 when the speed ratio is equal to or greater than the gear ratio. Therefore, an eddy current torque is generated in the first eddy current portion 21 between the first and second elements 11 and 12, and the output torque is multiplied until it becomes equal to the synchronous speed ratio by the gear ratio.
  • FIG. 2 is a table showing the operation of a first eddy current unit, a second eddy current unit, and a one-way clutch controlled by a control method of a torque converter for a vehicle according to an embodiment of the present invention. And is a table showing the operation of the planetary gear elements controlled by the control method of the vehicle torque converter.
  • a method for controlling a torque converter for a vehicle includes a first step of multiplying a torque output to the second element 12 at a speed ratio exceeding a gear ratio, And a second step of multiplying the torque output to the second element 12 from the ratio below.
  • the first stage synchronously controls the first element (ring gear) 11 and the second element (carrier) 12 under the control of the operation of the first eddy current section 21 at a speed ratio exceeding the gear ratio,
  • the torque output to the element 12 is multiplied.
  • the one-way clutch 23 provided between the second eddy current unit 22 and the fixed portion 14 is independent of the control due to the non-operation of the second eddy current unit 22 Non-operating control).
  • the third element 13 rotates integrally with the first and second elements 11 and 12.
  • the third element 13 is rotated in the reverse direction by the operation control of the second eddy current unit 22 under the speed ratio by the gear ratio, and is then stopped to control the torque output to the second element 12, Until the speed ratio is equal to the speed ratio.
  • the one-way clutch 23 provided between the second eddy current unit 22 and the fixed portion 14 is operated after the non-operation due to the operation of the second eddy current unit 22 in the second step. At this time, the third element 13 is stopped after being rotated in the direction opposite to the rotation of the first and second elements 11 and 12.
  • the torque of the output shaft 1 is the sum of the partial torque transmitted to the second element unit 12 through the first eddy current unit 21 and the partial torque transmitted to the first element 11.
  • the method for controlling a torque converter for a vehicle further includes a third step of outputting a steady torque set to the second element 12 at a speed ratio by a gear ratio.
  • the third step the third element 13 is stopped and controlled by the operation control of the one-way clutch 23 and the second eddy current unit 22 at the speed ratio by the gear ratio, and the normal torque is output to the second element 12 .
  • the torque of the output shaft 1 is the sum of the partial torque transmitted to the second element unit 12 through the first eddy current unit 21 and the partial torque transmitted to the first element 11.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

Le but de la présente invention est de fournir un convertisseur de couple pour un véhicule, qui présente une structure simple, entraîne peu de coûts de production et de conception, et peut être appliqué à une structure n'utilisant pas de fluide. Le convertisseur de couple pour un véhicule selon un mode de réalisation de la présente invention comprend : un engrenage planétaire, qui est relié à un arbre d'entrée par un premier élément (une couronne dentée), est relié à un arbre de sortie par un deuxième élément (un support), et est relié de manière variable à une partie fixe par un troisième élément (un planétaire); une première partie de courants de Foucault pour commander le raccordement du premier élément et du second élément; et une seconde partie de courants de Foucault et un embrayage unidirectionnel qui commandent le raccordement du troisième élément et de la partie fixe et sont reliés l'un à l'autre.
PCT/KR2018/013515 2017-12-14 2018-11-08 Convertisseur de couple pour véhicule et procédé de commande correspondant Ceased WO2019117469A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170171933A KR101897759B1 (ko) 2017-12-14 2017-12-14 차량용 토크 컨버터 및 그 제어방법
KR10-2017-0171933 2017-12-14

Publications (1)

Publication Number Publication Date
WO2019117469A1 true WO2019117469A1 (fr) 2019-06-20

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PCT/KR2018/013515 Ceased WO2019117469A1 (fr) 2017-12-14 2018-11-08 Convertisseur de couple pour véhicule et procédé de commande correspondant

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WO (1) WO2019117469A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200046698A (ko) * 2018-10-25 2020-05-07 주식회사 카펙발레오 전기 자동차용 건식 토크 컨버터 및 그 제어방법
KR20200046699A (ko) * 2018-10-25 2020-05-07 주식회사 카펙발레오 전기 자동차용 건식 토크 컨버터 및 그 제어방법
KR20200050631A (ko) * 2018-11-02 2020-05-12 주식회사 카펙발레오 전기 자동차용 건식 토크 컨버터 및 그 제어방법
KR20200058021A (ko) * 2018-11-19 2020-05-27 주식회사 카펙발레오 전기 자동차용 건식 토크 컨버터 및 그 제어방법
KR20200076525A (ko) * 2018-12-19 2020-06-29 주식회사 카펙발레오 전기 자동차용 건식 토크 컨버터 및 그 제어방법
KR20200078130A (ko) * 2018-12-21 2020-07-01 주식회사 카펙발레오 전기 자동차용 건식 토크 컨버터 및 그 제어방법
KR20200112488A (ko) * 2019-03-22 2020-10-05 주식회사 카펙발레오 유성기어 잠금장치, 이를 구비한 전기 자동차용 건식 토크 컨버터, 및 그 제어방법
KR20200114813A (ko) * 2019-03-29 2020-10-07 주식회사 카펙발레오 전기 자동차용 건식 토크 컨버터 및 그 제어방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010024682A (ko) * 1997-12-05 2001-03-26 와다 아끼히로 하이브리드 구동장치
JP2002340138A (ja) * 2001-05-21 2002-11-27 Honda Motor Co Ltd 車両用自動変速装置
JP2002340093A (ja) * 2001-05-14 2002-11-27 Nissan Motor Co Ltd 変速機のトーショナルダンパー機構
JP3769512B2 (ja) * 2002-02-27 2006-04-26 清一 栗原 動力伝達装置及びそれを用いた模型自動車の駆動装置等
KR101047224B1 (ko) * 2009-10-06 2011-07-06 윤경선 무단 변속기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010024682A (ko) * 1997-12-05 2001-03-26 와다 아끼히로 하이브리드 구동장치
JP2002340093A (ja) * 2001-05-14 2002-11-27 Nissan Motor Co Ltd 変速機のトーショナルダンパー機構
JP2002340138A (ja) * 2001-05-21 2002-11-27 Honda Motor Co Ltd 車両用自動変速装置
JP3769512B2 (ja) * 2002-02-27 2006-04-26 清一 栗原 動力伝達装置及びそれを用いた模型自動車の駆動装置等
KR101047224B1 (ko) * 2009-10-06 2011-07-06 윤경선 무단 변속기

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Publication number Publication date
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