WO2014084457A1 - Convertisseur de couple pour véhicule - Google Patents

Convertisseur de couple pour véhicule Download PDF

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Publication number
WO2014084457A1
WO2014084457A1 PCT/KR2013/002937 KR2013002937W WO2014084457A1 WO 2014084457 A1 WO2014084457 A1 WO 2014084457A1 KR 2013002937 W KR2013002937 W KR 2013002937W WO 2014084457 A1 WO2014084457 A1 WO 2014084457A1
Authority
WO
WIPO (PCT)
Prior art keywords
mass
coupled
torque converter
piston
turbine
Prior art date
Application number
PCT/KR2013/002937
Other languages
English (en)
Korean (ko)
Inventor
권기현
김기우
홍순석
장재덕
주인식
Original Assignee
한국파워트레인 주식회사
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 한국파워트레인 주식회사 filed Critical 한국파워트레인 주식회사
Publication of WO2014084457A1 publication Critical patent/WO2014084457A1/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
    • F16H41/24—Details
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
    • F16F15/123—Wound springs
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
    • F16F15/131—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses
    • F16F15/133—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon the rotating system comprising two or more gyratory masses using springs as elastic members, e.g. metallic springs
    • F16F15/134—Wound springs
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
    • F16F15/14—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers
    • F16F15/1407—Suppression of vibrations in rotating systems by making use of members moving with the system using masses freely rotating with the system, i.e. uninvolved in transmitting driveline torque, e.g. rotative dynamic dampers the rotation being limited with respect to the driving means
    • F16F15/1414—Masses driven by elastic elements
    • F16F15/1421—Metallic springs, e.g. coil or spiral springs
    • 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
    • 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
    • F16H2045/0205—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type two chamber system, i.e. without a separated, closed chamber specially adapted for actuating a lock-up clutch
    • 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
    • F16H2045/0273—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type characterised by the type of the friction surface of the lock-up clutch
    • F16H2045/0294—Single disk type lock-up clutch, i.e. using a single disc engaged between friction members

Definitions

  • the present invention relates to a vehicle torque converter having a torsional damper and capable of improving vibration absorption and reducing vibration amplitude and strength of the torsional damper as a whole.
  • the torque converter is installed between the engine of the vehicle and the transmission to transmit the driving force of the engine to the transmission using a fluid.
  • a torque converter is a reactor that receives a driving force of an engine and rotates an impeller, a turbine rotated by oil discharged from the impeller, and a flow of oil flowing back to the impeller in the direction of rotation of the impeller to increase the torque change rate ( Also known as a "status").
  • Torque converters are equipped with lock-up clutches (also called 'damper clutches') that allow a direct connection between the engine and the transmission, as the load on the engine can decrease power transmission efficiency.
  • the lockup clutch is disposed between the front cover and the turbine directly connected to the engine so that the rotational power of the engine can be transmitted directly to the transmission through the turbine.
  • This lockup clutch includes a piston that is axially movable on the turbine shaft. And the piston is coupled to the friction material in friction contact with the front cover. And the piston is coupled to the torsional damper (Torsional damper) that can absorb the shock and vibration acting in the rotational direction of the shaft when the friction material is coupled to the front cover.
  • Torsional damper torsional damper
  • the above-mentioned torsional damper is provided with springs capable of absorbing torsional torque in the rotational direction when the lockup clutch is operated so as to directly transmit the driving force of the engine to the transmission through the turbine.
  • the conventional damper is mainly composed of coil springs arranged in the circumferential direction to absorb vibrations and shocks in the rotational direction, and there is a limit in absorbing vibrations occurring in the axial and radial directions. There is a problem that can be dropped.
  • an object of the present invention is to absorb the vibration while moving the mass in the radial direction with respect to the rotation axis when the torsional damper is operated to prevent the ride comfort of the vehicle is reduced To provide a vehicle torque converter.
  • the present invention is a front cover, an impeller coupled to the front cover to rotate together, a turbine disposed in a position facing the impeller, located between the impeller and the turbine A reactor that changes the flow of oil from the turbine to the impeller side, a lockup clutch having a piston directly connecting the front cover and the turbine, and a tonic damper coupled to the lockup clutch to absorb shock and vibration acting in the rotational direction.
  • the torsional damper is a retaining plate coupled to the piston, a plurality of springs disposed on the retaining plate and circumferentially acting an elastic force, acting as a reaction force against the springs and a spline hub transmitting a driving force to the transmission.
  • a vehicle torque converter including a driven plate coupled to the piston or the driven plate and moving in an outer diameter direction or the opposite direction at the center of rotation, and a mass supporting member for elastically supporting the mass.
  • the mass body is preferably provided with a plurality of guide grooves in a radial direction on one surface of the piston or driven plate is disposed in the guide groove.
  • the mass support member is preferably made of a coil spring and coupled to the mass.
  • the mass support member may be made of a rubber member having an elastic force.
  • the mass supporting member is disposed in a radial direction with respect to the rotation center and is preferably coupled to one side or both sides of the mass.
  • Such an embodiment of the present invention has the effect of improving the riding comfort of the vehicle by increasing the vibration absorbing function of the torsional damper by installing a mass body whose position is changed according to rotation on the piston of the lockup clutch or the driven plate of the torsional damper. .
  • 1 is a half sectional view of the torque converter cut in the axial direction for explaining an embodiment of the present invention.
  • FIG. 2 is a view showing a state in which the mass is coupled to the driven plate to explain an embodiment of the present invention.
  • FIG 3 is a view schematically showing an example in which a mass is coupled to a driven plate to explain an embodiment of the present invention.
  • FIG. 4 is a view schematically showing an example in which a mass is coupled to a piston to explain an embodiment of the present invention.
  • FIG. 5 is a diagram showing another example of an embodiment of the present invention.
  • FIG. 1 is a half sectional view of the vehicle torque converter cut in the axial direction to explain the first embodiment of the present invention.
  • the torque converter of the first embodiment of the present invention has a front cover 4 which is connected to the crankshaft of the engine and rotates, a position facing the impeller 6 and the impeller 6 which is connected to and rotated together with the front cover 4. Also referred to as a turbine 8 disposed in the reactor 8 and a reactor 10 or 'stator' positioned between the impeller 6 and the turbine 8 to change the flow of oil from the turbine 8 to the impeller 6 side. ).
  • the reactor 10 delivering oil to the impeller 6 side has the same center of rotation as the front cover 4.
  • the lockup clutch 14 used as a means for directly connecting the engine and the transmission is disposed between the front cover 4 and the turbine (8).
  • the lockup clutch 14 is formed in a substantially disk shape and has a piston 16 that can move in the axial direction.
  • the lockup clutch 14 includes a torsional damper 20 that absorbs the torsional force acting in the rotational direction of the shaft and attenuates vibration when the friction material 18 is in close contact with the front cover 4. do.
  • the torsional damper 20 is provided with springs 31 that absorb shocks and vibrations acting in the circumferential direction, as shown in FIGS. 1 and 2. These springs 31 are preferably arranged in the circumferential direction (rotational direction) and made of a compression coil spring.
  • springs 31 are supported by a retaining plate 33 which is coupled to the piston 16 described above.
  • the springs 31 are elastically supported by the driven plate 35. That is, the springs 31 are elastically supported between the retaining plate 33 and the driven plate 35 to absorb vibrations and shocks in the rotational direction (circumferential direction).
  • the driven plate 35 may be riveted to the spline hub 37 that transmits the driving force to the transmission.
  • the driven plate 35 may be provided with a guide groove 39 in the radial direction from the center of rotation. And the mass body 41 is arrange
  • Mass body 41 may be coupled to one side or both sides by a mass support member 43 made of a coil spring.
  • the mass supporting member 43 may have an elastic force in the radial direction or the opposite direction at the center of rotation. That is, the mass supporting member 43 supports the mass 41 in the center portion of the guide groove 39. Therefore, the mass body 41 is supported by the mass supporting member 43 so that the mass plate 41 can move in the circumferential direction of the driven plate 35 as the driven plate 35 rotates.
  • the spring 31 is then compressed to press the driven plate 35. At this time, the spring 31 absorbs vibrations and shocks in the rotational direction primarily. As the driven plate 35 rotates, the mass body 41 may overcome the elastic force of the mass support member 43 acting in the radial direction from the center of rotation and move.
  • the mass body 41 moves in a radial direction from the center of rotation with the rotation of the driven plate 35 at the center of rotation in addition to the vibration and shock in the direction of rotation. It can further absorb vibrations and shocks acting in the radial direction.
  • This embodiment of the present invention can operate the mass in all the speed range of the engine can lower the vibration amplitude and intensity of the entire torque converter.
  • FIG. 4 is a configuration diagram showing another example of the embodiment of the present invention, showing a state in which the mass 41 is coupled to the piston 16.
  • the mass body 41 is coupled to the piston 16 in the example of the embodiment shown in FIG. 4 compared to the driven plate 35.
  • Another example of such an embodiment of the present invention can install the mass 41 in a variety of positions can increase the degree of freedom of design.
  • FIG 5 and 6 are views showing another example of the embodiment of the present invention, and shows an example in which the mass support member 43 is coupled to only one side of the mass 41. That is, in the above-described example, the structure in which the mass support member 43 is coupled to both sides of the mass body 41 in the radial direction is illustrated and described. However, in another example of the embodiment of the present invention, the outer side of the mass body 41 or The mass supporting member 43 is connected to the inside of the mass 41. Other examples of such embodiments of the present invention show that various embodiments of the present invention can be implemented.
  • the mass support member 43 may be made of a rubber member having excellent elastic force.
  • An example in which the mass support member 43 is made of a rubber member has an advantage in that the mass support member 43 can be designed by applying various materials according to design conditions.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

L'invention concerne un convertisseur de couple pour un véhicule comprenant un amortisseur de torsion permettant d'améliorer une fonction d'absorption de vibrations et de réduire l'amplitude et l'intensité de vibrations dans tout l'amortisseur de torsion. Le convertisseur de couple selon la présente invention comprend l'amortisseur de torsion, l'amortisseur de torsion comprenant une plaque de retenue accouplée à un piston, une pluralité de ressorts qui sont agencés sur la plaque de retenue et par le biais desquels une force élastique s'applique dans une direction circonférentielle, une plaque entraînée qui fonctionne avec une force de réaction par rapport aux ressorts et qui est accouplée à un moyeu à cannelure qui fournit une force d'entraînement à une transmission variable, une masse qui est fournie sur le piston ou sur la plaque entraînée et qui se déplace depuis le centre de rotation en direction d'une circonférence externe et un élément de support de masse permettant de supporter élastiquement la masse.
PCT/KR2013/002937 2012-11-27 2013-04-09 Convertisseur de couple pour véhicule WO2014084457A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2012-0135569 2012-11-27
KR1020120135569A KR101405448B1 (ko) 2012-11-27 2012-11-27 차량용 토크 컨버터

Publications (1)

Publication Number Publication Date
WO2014084457A1 true WO2014084457A1 (fr) 2014-06-05

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ID=50828064

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2013/002937 WO2014084457A1 (fr) 2012-11-27 2013-04-09 Convertisseur de couple pour véhicule

Country Status (2)

Country Link
KR (1) KR101405448B1 (fr)
WO (1) WO2014084457A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109578512A (zh) * 2018-12-10 2019-04-05 湖北三环离合器有限公司 一种曲轴扭转阻尼器

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101803953B1 (ko) 2016-05-27 2017-12-01 한국파워트레인 주식회사 차량용 토크 컨버터
KR101959016B1 (ko) 2017-04-05 2019-03-18 현대트랜시스 주식회사 스프링 시트 및 이를 포함하는 토셔널 댐퍼
KR102074137B1 (ko) * 2017-08-31 2020-02-06 주식회사 카펙발레오 전기자동차용 파워트레인

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5558579A (en) * 1993-09-07 1996-09-24 Unisia Jecs Corporation Torsional damper having a resiliently coupled damper element and a friction generating device mounted within a padded window of the damper element
JPH10238612A (ja) * 1997-02-25 1998-09-08 Exedy Corp トルクコンバータのロックアップダンパー
KR100789190B1 (ko) * 2006-12-27 2008-01-02 한국파워트레인 주식회사 차량용 토크컨버터
KR100921296B1 (ko) * 2007-10-30 2009-10-09 현대자동차주식회사 하이브리드 자동차의 자동 변속기용 토셔널 댐퍼
KR20110089956A (ko) * 2010-02-02 2011-08-10 한국파워트레인 주식회사 차량용 클러치 장치

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008180306A (ja) 2007-01-25 2008-08-07 Aisin Aw Industries Co Ltd トルクコンバータの減衰機構を備えたロックアップダンパ装置
JP2010101345A (ja) 2008-10-21 2010-05-06 Nissan Motor Co Ltd イナーシャ可変機構付きトルクコンバータ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5558579A (en) * 1993-09-07 1996-09-24 Unisia Jecs Corporation Torsional damper having a resiliently coupled damper element and a friction generating device mounted within a padded window of the damper element
JPH10238612A (ja) * 1997-02-25 1998-09-08 Exedy Corp トルクコンバータのロックアップダンパー
KR100789190B1 (ko) * 2006-12-27 2008-01-02 한국파워트레인 주식회사 차량용 토크컨버터
KR100921296B1 (ko) * 2007-10-30 2009-10-09 현대자동차주식회사 하이브리드 자동차의 자동 변속기용 토셔널 댐퍼
KR20110089956A (ko) * 2010-02-02 2011-08-10 한국파워트레인 주식회사 차량용 클러치 장치

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109578512A (zh) * 2018-12-10 2019-04-05 湖北三环离合器有限公司 一种曲轴扭转阻尼器

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Publication number Publication date
KR20140067824A (ko) 2014-06-05
KR101405448B1 (ko) 2014-06-11

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