WO2022131507A1 - 토크 컨버터 - Google Patents
토크 컨버터 Download PDFInfo
- Publication number
- WO2022131507A1 WO2022131507A1 PCT/KR2021/014277 KR2021014277W WO2022131507A1 WO 2022131507 A1 WO2022131507 A1 WO 2022131507A1 KR 2021014277 W KR2021014277 W KR 2021014277W WO 2022131507 A1 WO2022131507 A1 WO 2022131507A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- damper
- torque converter
- turbine
- assembly
- elastic members
- Prior art date
Links
- 230000035939 shock Effects 0.000 claims abstract description 6
- 239000012530 fluid Substances 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002783 friction material Substances 0.000 description 2
- 230000014509 gene expression Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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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
- 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
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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
- F16H41/24—Details
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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
- 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
- F16F15/1232—Wound springs characterised by the spring mounting
- F16F15/1234—Additional guiding means for springs, e.g. for support along the body of springs that extend circumferentially over a significant length
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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
- F16H41/24—Details
- F16H2041/243—Connections between pump shell and cover shell of the turbine
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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
- 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
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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
- 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
- F16H2045/0221—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
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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
- 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
- F16H2045/0221—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
- F16H2045/0226—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means comprising two or more vibration dampers
- F16H2045/0231—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means comprising two or more vibration dampers arranged in series
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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
- 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
- F16H2045/0221—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means
- F16H2045/0247—Combinations of fluid gearings for conveying rotary motion with couplings or clutches with mechanical clutches for bridging a fluid gearing of the hydrokinetic type with damping means having a turbine with hydrodynamic damping means
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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
- 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
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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
- 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
- F16H2045/0278—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 comprising only two co-acting friction surfaces
Definitions
- the present invention relates to a torque converter, and more particularly, to a torque converter that reduces the number of parts and secures an axial space by applying a turbine shell that functions as both a damper stopper and a driven plate.
- a torque converter is provided between an engine and a transmission of a vehicle so as to convert a rotational force received from an engine and transmit it to a transmission.
- the torque converter includes an impeller assembly rotating by receiving driving force of an engine, a turbine assembly rotating by oil discharged from the impeller assembly, and a torque change rate by directing a flow of oil returned to the impeller assembly in the rotational direction of the impeller assembly It includes a reactor (also called a 'stator') that increases the
- the torque converter is equipped with a lock-up clutch (also called a 'damper clutch'), which is a means of directly connecting the engine and transmission, as the power transmission efficiency may decrease when the load acting on the engine increases.
- the lock-up clutch is disposed between the turbine assembly and the front cover directly connected to the engine, so that rotational power of the engine can be directly transmitted to the turbine.
- This lockup clutch includes an axially movable piston in an assembly that is coupled to the turbine assembly. And a friction material in frictional contact with the front cover is coupled to the piston.
- a torsional damper capable of absorbing shock and vibration acting in the rotational direction of the shaft when the friction material is coupled to the front cover is coupled to the piston.
- a driven plate coupled to the turbine assembly between the torsional damper and the turbine assembly and connected to the torsional damper to receive driving force is applied.
- a driven plate may function as a damper stopper between elastic members provided in the torsional damper.
- the present invention was invented to solve the above problems, and the problem to be solved by the present invention is to reduce the number of parts by applying a turbine shell that performs both the function of the damper stopper and the driven plate, and the shaft
- An object of the present invention is to provide a torque converter that secures directional space.
- a torque converter for achieving this object includes a front cover; an impeller assembly coupled to the front cover and rotating together; a turbine assembly disposed at a position facing the impeller assembly; a lock-up clutch having a piston directly connecting the front cover and the turbine assembly; and a torsional damper coupled to the lock-up clutch to absorb shock and vibration acting in a rotational direction.
- the turbine shell provided in the turbine assembly further includes at least one damper connecting portion that is bent so as to protrude in an axial direction toward the torsional damper to be coupled to the torsional damper.
- Both sides of the damper connection part may be respectively supported by two adjacent elastic members among the plurality of elastic members to act as a reaction force on the plurality of elastic members provided in the torsional damper.
- a support clip may be mounted to the damper connection part.
- Both sides of the support clip may be supported by two adjacent elastic members between a spring seat mounted on an end of the elastic member and the damper connection part.
- the support clip includes a main body having both ends bent from a central portion to surround an outer periphery of the damper connection portion protruding from the turbine shell, and the outer sides of the bent end portions are supported by the elastic member; and locking protrusions formed on opposite sides of the main body to be fixed to both sides of the damper connection part; may include
- a fitting groove may be formed in the damper connection part at a position corresponding to the locking protrusion so that the locking protrusion is fitted.
- the locking protrusion may be inserted into the fitting groove to prevent the support clip from being separated from the damper connection part.
- the support clip is heat-treated to reinforce durability and rigidity, and may be formed of a steel material having elasticity.
- the turbine shell may further include an opening formed by the damper connection part.
- the opening hole communicates with one side facing the impeller assembly and the other side facing the torsional damper in an axial direction so that an axial load acting on the turbine shell is reduced by the pressure of the fluid supplied therein, and the fluid pressure difference can be reduced.
- the damper connection parts may be formed at equal intervals within a set angle range along the circumferential direction on one surface of the turbine shell.
- the torsional damper may include a damper retaining plate coupled to the piston; and a plurality of elastic members mounted on the damper retaining plate and applying an elastic force in a circumferential direction.
- a reactor positioned between the impeller assembly and the turbine assembly to change a flow of fluid from the turbine toward the impeller; may further include.
- the present invention has the effect of reducing the manufacturing cost and man-hours by reducing the total number of parts by removing the conventional driven plate.
- the present invention improves the degree of freedom in design layout, enables the design of a compact torque converter, and also has an effect of reducing the weight of the torque converter.
- FIG. 1 is a half cross-sectional view of a torque converter according to an embodiment of the present invention.
- FIG. 2 is an enlarged view of part A of FIG. 1 .
- FIG. 3 is a cross-sectional view illustrating a state in which a turbine shell and a torsional damper are connected in a torque converter according to an embodiment of the present invention.
- FIG. 4 is a perspective view of a turbine assembly applied to a torque converter according to an embodiment of the present invention.
- FIG. 5 is an enlarged view of part B of FIG. 4 .
- FIG. 6 is a perspective view showing a state in which the turbine shell and the support clip are disassembled in the torque converter according to the embodiment of the present invention.
- FIG. 7 is a perspective view of a support clip applied to a torque converter according to an embodiment of the present invention.
- the front-rear direction or the axial direction is a direction parallel to the rotation axis, and the front (front) means a direction toward the engine, for example, the power source, and the rear (rear) means the other direction, for example, the direction toward the transmission. Therefore, the front (front) means the surface on which the surface faces the front, and the rear (rear) means the surface on which the surface faces the rear.
- the radial or radial direction means a direction closer to the center or a direction away from the center along a straight line passing through the center of the rotation axis on a plane perpendicular to the rotation axis.
- a direction away from the center in a radial direction is referred to as a centrifugal direction, and a direction closer to the center is referred to as a centripetal direction.
- the circumferential direction means a direction surrounding the circumference of the rotation shaft.
- the outer circumference means the outer circumference
- the inner circumference means the inner circumference. Accordingly, the outer circumferential surface is a surface facing away from the rotation shaft, and the inner circumferential surface is a surface facing the rotation shaft.
- the circumferential side surface means a surface whose normal line is approximately in the circumferential direction.
- FIG. 1 is a half cross-sectional view of a torque converter according to an embodiment of the present invention
- FIG. 2 is an enlarged view of part A of FIG. 1
- FIG. 3 is a turbine shell and a torsional damper in a torque converter according to an embodiment of the present invention.
- FIG. 4 is a perspective view of a turbine assembly applied to a torque converter according to an embodiment of the present invention
- FIG. 5 is an enlarged view of part B of FIG. 4
- FIG. 7 is a perspective view of the support clip applied to the torque converter according to the embodiment of the present invention.
- the torque converter according to an embodiment of the present invention includes a front cover 2 , an impeller assembly 4 , a turbine assembly 7 , a reactor 12 , a lock-up clutch 14 , a piston 16 , and a torsional damper 20 .
- the front cover 2 is connected to the output shaft of the engine (not shown), rotates by receiving the driving force of the engine, and functions as a cover on one side of the torque converter to form a space in which a fluid flows.
- the impeller assembly 4 is connected to the front cover 2 and rotates together while functioning as a cover of the other side of the torque converter to form a space in which a fluid flows in the torque converter.
- This impeller assembly 4 may be composed of an impeller shell 5 and a plurality of impeller blades 6 .
- the turbine assembly 7 is disposed between the impeller assembly 4 and the front cover 2 so as to rotate by receiving rotational force through the fluid that has received the rotational force from the impeller assembly 4 and the impeller assembly 4 and placed in the opposite position.
- the fluid circulates between the impeller assembly 4 and the turbine assembly 7 so that the rotational force of the impeller assembly 4 rotating integrally with the output shaft of the engine is converted and transmitted to the turbine assembly 7 . do.
- the reactor 12 is disposed between the impeller assembly 4 and the turbine assembly 7 .
- the reactor 12 changes the flow of the fluid coming out of the turbine assembly 7 and transfers it to the impeller assembly 4 side.
- This reactor 12 has the same rotational center as the front cover 2 .
- the lock-up clutch 14 is used as a means for directly connecting the engine and the transmission, and is disposed between the front cover 2 and the turbine assembly 7 .
- the lock-up clutch 14 has a substantially disk shape and has the piston 16 movable in the axial direction.
- the piston 16 is rotatable about an axis and is arranged to move in a direction parallel to the axis.
- a friction member 18 in frictional contact with the front cover 2 is coupled to the piston 16 .
- the lock-up clutch 14 is illustrated as having a structure in which the piston 16 directly contacts the front cover 2 through the friction member, but is not limited thereto. Other types of lock-up clutches may be applied.
- a torsional damper 20 is coupled to the lock-up clutch 14 .
- the torsional damper 20 transmits the driving force transmitted through the lock-up clutch 14 to the turbine assembly 7 to absorb the torsional force acting in the rotational direction of the shaft and attenuate vibration.
- the torsional damper 20 is provided with first elastic members 22 for absorbing shock and vibration acting in the circumferential direction.
- the first elastic members 21 are disposed along the circumferential direction (rotational direction) of the damper retaining plate 24 coupled to the piston 16 and are compression coil springs. It is preferable to consist of
- the first elastic members 22 are supported by the damper retaining plate 24 .
- the first elastic members 22 are provided in the turbine assembly 7 and may be elastically supported by a damper connection part 8a to be described later.
- the damper connection part 8a may act as a reaction force with respect to the first elastic members 22 .
- first elastic members 22 may be elastically supported between the damper retaining plate 24 and the damper connection part 8a to absorb vibration and shock in the rotational direction (circumferential direction).
- the second elastic member 23 may be disposed inside the first elastic member 22 .
- the second elastic member 23 may be mounted along the circumferential direction of the damper retaining plate 24 and disposed inside the first elastic members 22 . have.
- the second elastic members 23 are formed of a coil spring in the same manner as the first elastic members 22 .
- the modulus of elasticity of the first and second elastic members 22 and 213 may be different from each other.
- both ends of the first and second elastic members 22 and 23 are connected to the damper connection part 8a and the damper retaining plate 24.
- a spring seat 26 supporting the can be mounted respectively.
- the turbine assembly 7 includes a turbine shell 8 and a plurality of turbine blades 9 coupled to the turbine shell 8, as shown in FIGS. 2 to 6 . do.
- the turbine shell 8 may further include at least one damper connection part 8a that protrudes in the axial direction toward the torsional damper 20 and is bent to be coupled to the torsional damper 20. have.
- this damper connection part 8a three surfaces are cut from the outer circumferential side of the turbine shell 8, and in a state in which one surface is integrally connected to the turbine shell 8, the turbine blade 9 is in the opposite direction. It is formed by bending in the axial direction and perpendicular to the direction.
- the damper connection part 8a is connected to the plurality of first elastic members 22 to act as a reaction force on the plurality of first and second elastic members 22 and 23 provided in the torsional damper 20 . ), both sides may be respectively supported by the two adjacent first elastic members 22 .
- the damper connection part 8a couples the turbine assembly 7 to the torsional damper 20 and may perform a function of a driven plate applied to a conventional torque converter.
- damper connection portions 8a may be formed at equal intervals within a set angle range along the circumferential direction on one surface of the turbine shell 8 facing the torsional damper 20 .
- eight damper connection portions 8a may be formed at equal intervals by being spaced apart at an angle of 45° along the circumferential direction of the turbine shell 8 in correspondence with the positions of the first elastic members 22 .
- a support clip 30 is mounted on the damper connection part 8a formed in this way.
- the support clip 30 includes two adjacent first elastic members 22 between the spring seat 26 mounted on the ends of the first elastic members 22 and 23 and the damper connection part 8a. can be supported on both sides.
- the support clip 30 may include a main body 32 and a locking protrusion 34 .
- both ends of the main body 32 are bent from the central portion so as to surround the outer periphery of the damper connection portion 8a protruding from the turbine shell 8a.
- the main body 32 may be supported by the spring seat 26 mounted to the first elastic member 22 with the bent outer sides of both ends (refer to FIG. 3 ).
- locking protrusions 34 may be formed on opposite sides of the main body 32 to be fixed to both sides of the damper connection part 8a.
- a fitting groove 8b may be formed in the damper connecting portion 8a at a position corresponding to the locking protrusion 34 so that the locking protrusion 34 is fitted.
- the locking protrusion 34 may be inserted into the fitting groove 8b to prevent the support clip 30 mounted to the damper connection part 8a from being separated from the damper connection part 8a.
- the support clip 30 configured as described above is heat-treated to reinforce durability and rigidity, and may be formed of a steel material having elasticity.
- the heat-treated support clip 30 increases durability by securing hardness and strength, so that when the torque converter is operated, the first and second elastic members 22 and 23 apply the pressing force. wear can be minimized.
- the support clip 30 is wrapped around the outer periphery of the damper connection part 8a protruding from the turbine shell 8, and the locking protrusion 34 is inserted into the fitting groove 8b. It can be stably mounted to the damper connection part 8a.
- the turbine shell 8 may further include an opening hole 8c formed by the damper connection part 8a, as shown in FIGS. 2, 5, and 6 . have.
- the opening hole 8c is a hole formed together while the damper connection part 8a is formed in the turbine shell 8, and has the same number as the number of the damper connection parts 8a in the circumferential direction of the turbine shell 8. may be formed at equal intervals along the
- the opening hole 8c has one side facing the impeller assembly 4 in the axial direction so that the axial load acting on the turbine shell 8 is reduced by the pressure of the fluid supplied to the inside of the torque converter.
- the fluid pressure difference may be reduced by communicating the other side facing the torsional damper 20 .
- the opening hole 8c is formed between the fluid pressure between the impeller assembly 4 and the turbine assembly 7 in the torque converter and between the turbine shell 8 and the torsional damper 20 .
- the damper connection part 8a integrally formed in the turbine shell 8 to perform both the function of the damper stopper and the function of the driven plate.
- the present invention can reduce the manufacturing cost and manufacturing man-hours by reducing the total number of parts by removing the conventional driven plate.
- the present invention improves the degree of freedom in design layout, enables the design of a compact torque converter, and reduces the weight of the torque converter.
- the opening holes 8c formed in the turbine shell 8 by the damper connection part 8a are provided with the hydraulic pressure difference between both sides in the axial direction inside the torque converter with respect to the turbine assembly 7 .
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Abstract
Description
Claims (13)
- 프론트 커버;상기 프론트 커버에 결합되어 함께 회전하는 임펠러 어셈블리;상기 임펠러 어셈블리와 마주하는 위치에 배치되는 터빈 어셈블리;상기 프론트 커버와 상기 터빈 어셈블리를 직접 연결하는 피스톤을 구비한 록업 클러치; 및상기 록업 클러치에 결합되어 회전 방향으로 작용하는 충격과 진동을 흡수하는 토셔널 댐퍼; 를 포함하되,상기 터빈 어셈블리에 구비된 터빈 쉘은상기 토셔널 댐퍼를 향하여 축 방향으로 돌출되어 상기 토셔널 댐퍼에 결합되도록 절곡 형성되는 적어도 하나의 댐퍼 연결부를 더 포함하는 것을 특징으로 하는 토크 컨버터.
- 제1항에 있어서,상기 댐퍼 연결부는상기 토셔널 댐퍼에 구비된 다수개의 탄성부재에 반력으로 작용하도록 다수개의 상기 탄성부재 중, 이웃하는 두 개의 상기 탄성부재에 양측이 각각 지지되는 것을 특징으로 하는 토크 컨버터.
- 제2항에 있어서,상기 댐퍼 연결부에는지지클립이 장착되는 것을 특징으로 하는 토크 컨버터.
- 제3항에 있어서,상기 지지클립은상기 탄성부재의 단부에 장착된 스프링 시트와 상기 댐퍼 연결부의 사이에서 이웃하는 두 개의 상기 탄성부재에 양측이 지지되는 것을 특징으로 하는 토크 컨버터.
- 제3항에 있어서,상기 지지클립은상기 터빈 쉘로부터 돌출된 상기 댐퍼 연결부의 외측 둘레를 감싸도록 중앙부분으로부터 양단부가 절곡되며, 절곡된 양단부의 외측이 상기 탄성부재에 지지되는 메인 바디; 및상기 댐퍼 연결부의 양측에 고정되도록 상기 메인 바디에서 대향하는 양측에 형성되는 걸림돌기;를 포함하는 것을 특징으로 하는 토크 컨버터.
- 제5항에 있어서,상기 댐퍼 연결부에는상기 걸림돌기가 끼워지도록 상기 걸림돌기에 대응하는 위치에 끼움홈이 형성되는 것을 특징으로 하는 토크 컨버터.
- 제6항에 있어서,상기 걸림돌기는상기 지지클립이 상기 댐퍼 연결부로부터 이탈되는 것을 방지하도록 상기 끼움홈에 삽입되는 것을 특징으로 하는 토크 컨버터.
- 제3항에 있어서,상기 지지클립은내구성 및 강성이 보강되도록 열 처리되며, 탄성력을 갖는 스틸소재로 형성되는 것을 특징으로 하는 토크 컨버터.
- 제1항에 있어서,상기 터빈 쉘은상기 댐퍼 연결부에 의해 형성되는 개구홀을 더 포함하는 것을 특징으로 하는 토크 컨버터.
- 제9항에 있어서,상기 개구홀은내부에 공급된 유체의 압력에 의해 상기 터빈 쉘에 작용하는 축 하중이 감소되도록 축 방향을 기준으로, 상기 임펠러 어셈블리를 향하는 일측과 상기 토셔널 댐퍼를 향하는 타측을 연통하여 유체 압력 차이를 저감시키는 것을 특징으로 하는 토크 컨버터.
- 제1항에 있어서,상기 댐퍼 연결부는상기 터빈 쉘의 일면에서 원주방향을 따라 설정각도 범위 내에서 등 간격으로 형성되는 것을 특징으로 하는 토크 컨버터.
- 제1항에 있어서,상기 토셔널 댐퍼는상기 피스톤에 결합되는 댐퍼 리테이닝 플레이트; 및상기 댐퍼 리테이닝 플레이트에 장착되며, 원주방향으로 탄성력이 작용하는 다수의 탄성부재;를 포함하는 것을 특징으로 하는 토크 컨버터.
- 제1항에 있어서,상기 임펠러 어셈블리와 상기 터빈 어셈블리 사이에 위치하여 상기 터빈으로부터 나오는 유체의 흐름을 상기 임펠러 측으로 바꾸는 리엑터;를 더 포함하는 것을 특징으로 하는 토크 컨버터.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112021006447.9T DE112021006447T5 (de) | 2020-12-14 | 2021-10-14 | Drehmomentwandler |
MX2023007031A MX2023007031A (es) | 2020-12-14 | 2021-10-14 | Convertidor de torsion. |
CN202180077888.7A CN116457594A (zh) | 2020-12-14 | 2021-10-14 | 转矩变换器 |
US18/253,804 US20240003414A1 (en) | 2020-12-14 | 2021-10-14 | Torque converter |
JP2023535951A JP2023553183A (ja) | 2020-12-14 | 2021-10-14 | トルクコンバータ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR10-2020-0173977 | 2020-12-14 | ||
KR1020200173977A KR102446911B1 (ko) | 2020-12-14 | 2020-12-14 | 토크 컨버터 |
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WO2022131507A1 true WO2022131507A1 (ko) | 2022-06-23 |
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PCT/KR2021/014277 WO2022131507A1 (ko) | 2020-12-14 | 2021-10-14 | 토크 컨버터 |
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Country | Link |
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US (1) | US20240003414A1 (ko) |
JP (1) | JP2023553183A (ko) |
KR (1) | KR102446911B1 (ko) |
CN (1) | CN116457594A (ko) |
DE (1) | DE112021006447T5 (ko) |
MX (1) | MX2023007031A (ko) |
WO (1) | WO2022131507A1 (ko) |
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JPH10318332A (ja) * | 1997-05-20 | 1998-12-04 | Exedy Corp | ダンパー組立体 |
JP2006064065A (ja) * | 2004-08-26 | 2006-03-09 | Exedy Corp | 流体式トルク伝達装置 |
JP2008038951A (ja) * | 2006-08-02 | 2008-02-21 | Valeo Unisia Transmission Kk | 流体式トルク伝達装置 |
US20140097055A1 (en) * | 2012-10-04 | 2014-04-10 | Schaeffler Technologies AG & Co. KG | Turbine piston thrust path |
KR20200068224A (ko) * | 2018-12-05 | 2020-06-15 | 현대 파워텍 주식회사 | 토크컨버터 |
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US2149887A (en) * | 1937-04-15 | 1939-03-07 | Hickman Pneumatic Seat Co Inc | Device for providing torsional resistance |
US4347717A (en) * | 1979-12-26 | 1982-09-07 | Borg-Warner Corporation | Two-stage torsional vibration damper |
JPS58193149U (ja) * | 1982-06-21 | 1983-12-22 | 本田技研工業株式会社 | トルクコンバ−タ用クラツチのダンパ装置 |
FR2641048B1 (ko) * | 1988-12-28 | 1991-03-08 | Valeo | |
FR2775747B1 (fr) * | 1998-03-03 | 2000-07-13 | Valeo | Appareil d'accouplement hydrocinetique, notamment pour vehicule automobile |
JP2000266158A (ja) * | 1999-03-17 | 2000-09-26 | Exedy Corp | トルクコンバータのロックアップ装置 |
DE102005019928A1 (de) * | 2005-04-27 | 2006-11-09 | Daimlerchrysler Ag | Hydrodynamischer Drehmomentwandler mit einer Überbrückungskupplung und einem Torsionsdämpfer |
DE102014211668A1 (de) * | 2013-07-16 | 2015-01-22 | Schaeffler Technologies Gmbh & Co. Kg | Antriebsbaugruppe mit am Turbinengehäuse befestigten Mitnehmerzungen und Herstellungsverfahren |
-
2020
- 2020-12-14 KR KR1020200173977A patent/KR102446911B1/ko active IP Right Grant
-
2021
- 2021-10-14 WO PCT/KR2021/014277 patent/WO2022131507A1/ko active Application Filing
- 2021-10-14 US US18/253,804 patent/US20240003414A1/en active Pending
- 2021-10-14 DE DE112021006447.9T patent/DE112021006447T5/de active Pending
- 2021-10-14 CN CN202180077888.7A patent/CN116457594A/zh active Pending
- 2021-10-14 JP JP2023535951A patent/JP2023553183A/ja active Pending
- 2021-10-14 MX MX2023007031A patent/MX2023007031A/es unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH10318332A (ja) * | 1997-05-20 | 1998-12-04 | Exedy Corp | ダンパー組立体 |
JP2006064065A (ja) * | 2004-08-26 | 2006-03-09 | Exedy Corp | 流体式トルク伝達装置 |
JP2008038951A (ja) * | 2006-08-02 | 2008-02-21 | Valeo Unisia Transmission Kk | 流体式トルク伝達装置 |
US20140097055A1 (en) * | 2012-10-04 | 2014-04-10 | Schaeffler Technologies AG & Co. KG | Turbine piston thrust path |
KR20200068224A (ko) * | 2018-12-05 | 2020-06-15 | 현대 파워텍 주식회사 | 토크컨버터 |
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Publication number | Publication date |
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JP2023553183A (ja) | 2023-12-20 |
DE112021006447T5 (de) | 2023-10-19 |
MX2023007031A (es) | 2023-06-28 |
CN116457594A (zh) | 2023-07-18 |
KR20220084483A (ko) | 2022-06-21 |
US20240003414A1 (en) | 2024-01-04 |
KR102446911B1 (ko) | 2022-09-22 |
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