KR20070102133A - Short/long arm wishbone type suspension system for vehicle - Google Patents

Short/long arm wishbone type suspension system for vehicle Download PDF

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Publication number
KR20070102133A
KR20070102133A KR1020060033884A KR20060033884A KR20070102133A KR 20070102133 A KR20070102133 A KR 20070102133A KR 1020060033884 A KR1020060033884 A KR 1020060033884A KR 20060033884 A KR20060033884 A KR 20060033884A KR 20070102133 A KR20070102133 A KR 20070102133A
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South Korea
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knuckle
vehicle
suspension system
actuator
spindle
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KR1020060033884A
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Korean (ko)
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김태우
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현대자동차주식회사
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Priority to KR1020060033884A priority Critical patent/KR20070102133A/en
Publication of KR20070102133A publication Critical patent/KR20070102133A/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00Resilient suspensions for a single wheel
    • B60G3/18Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
    • B60G3/20Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G7/00Pivoted suspension arms; Accessories thereof
    • B60G7/005Ball joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/0152Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit
    • B60G17/0157Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit non-fluid unit, e.g. electric motor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/018Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the use of a specific signal treatment or control method
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00Indexing codes relating to suspension types
    • B60G2200/10Independent suspensions
    • B60G2200/14Independent suspensions with lateral arms
    • B60G2200/144Independent suspensions with lateral arms with two lateral arms forming a parallelogram
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00Indexing codes relating to suspension types
    • B60G2200/40Indexing codes relating to the wheels in the suspensions
    • B60G2200/46Indexing codes relating to the wheels in the suspensions camber angle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40Type of actuator
    • B60G2202/41Fluid actuator
    • B60G2202/413Hydraulic actuator
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40Type of actuator
    • B60G2202/44Axial actuator, e.g. telescopic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/419Gears
    • B60G2204/4192Gears rack and pinion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/43Fittings, brackets or knuckles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/80Manufacturing procedures
    • B60G2206/82Joining
    • B60G2206/8207Joining by screwing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/05Attitude
    • B60G2400/051Angle
    • B60G2400/0514Wheel angle detection
    • B60G2400/05142Wheel camber
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2400/00Indexing codes relating to detected, measured or calculated conditions or factors
    • B60G2400/40Steering conditions
    • B60G2400/41Steering angle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D17/00Means on vehicles for adjusting camber, castor, or toe-in

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

A wishbone type suspension system for a vehicle is provided to keep cornering stability in all cornering conditions by increasing cornering power and friction force between the tire and road surface. A wishbone type suspension system for a vehicle includes a knuckle(10) provided with a spindle(11) at a lower part, upper and lower control arms(13a,13b) whose one ends are connected to upper and lower ends the knuckle by ball joints(12a,12b) and upper parts are shorter than lower parts, a shock absorber(14) provided between the upper and lower control arms, where the upper part of the spindle of the knuckle is divided into first and second knuckles(20a,20b) whose opposing outsides are connected by a hinge(21), and brackets(22a,22b) are respectively formed at the inside of the upper end of the first knuckle and at the inside of the lower end of the second knuckle, and an actuator(23) is provided between the brackets and the actuator is extended when the vehicle is bumped, thereby rotating the first knuckle clockwise and the second knuckle counterclockwise.

Description

차량용 위시본식 현가장치 {SHORT/LONG ARM WISHBONE TYPE SUSPENSION SYSTEM FOR VEHICLE}Wishbone suspension system for vehicle {SHORT / LONG ARM WISHBONE TYPE SUSPENSION SYSTEM FOR VEHICLE}

도 1은 본 발명의 실시예의 측면도1 is a side view of an embodiment of the present invention

도 2는 본 발명의 실시예의 요부 측면도2 is a side view of main parts of an embodiment of the present invention;

도 3은 본 발명의 실시예의 작용 상태도3 is an operational state diagram of an embodiment of the present invention

< 도면의 주요부분에 대한 부호설명 >         <Explanation of Signs of Major Parts of Drawings>

10 : 너클 13aㆍ13b : 상ㆍ하 콘트롤 암10: Knuckle 13a, 13b: Up and down control arm

20aㆍ20b : 제 1 및 제 2 너클 21 : 힌지20a and 20b: first and second knuckles 21 hinge

22aㆍ22b : 브라켓 23 : 액츄에이터22a22b Bracket 23 Actuator

본 발명은 차량용 SLA 위시본식 현가장치에 관한 것이며, 상세하게는 차량용 SLA(short/long arm) 위시본식 현가장치에 있어서 차량의 선회시의 부(-)의 캠버값과 휠 트레드의 증대구조에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle SLA wishbone suspension system and, more particularly, to a negative camber value and an increase structure of a wheel tread during a vehicle turning in a vehicle short / long arm wishbone suspension system. will be.

현가장치는 차축과 프레임을 연결하여 주행중 노면에서 받은 진동이나 충격을 흡수하여 승차감과 안전성을 향상시키는 장치이며, 상기 현가장치는 상ㆍ하방향 이 유연하여 노면에서 받는 충격을 양호하게 완화하고, 수평방향의 연결이 견고하여 바퀴에 생기는 구동력, 제동력 선회시의 원심력을 이겨내야 한다.Suspension system is a device that connects the axle and the frame to absorb vibrations or shocks received from the road surface while driving to improve riding comfort and safety. The connection in the direction is strong so that the driving force and braking force generated on the wheel must be overcome.

현가장치는 일체식 차축 현가장치와, 독립현가장치로 대별되며, 독립현가장치는 스프링 아래 질량이 크기 때문에 승차감이 좋고, 바퀴에 옆방향으로 요동하는 진동(shimmy)이 잘 일어나지 않고, 타이어와 노면의 접지성(接地性, road holding)이 우수하며, 스프링 상수가 작은 스프링을 사용할 수 있는 장점을 가지고 있는 반면에, 연결부분이 많아 구조가 복잡하게 되고, 이들의 마모에 의하여 휠 얼라인먼트(wheel alignment)가 변하기 쉬우며, 주행시 바퀴가 상하로 움직임으로 휠 트레드와 휠 얼라인먼트가 변하기 쉽기 때문에 타이어가 쉽게 마모되는 단점도 있으나 승차감이나 조종성을 중요시하는 승용차에 많이 사용하고 있다.Suspensions are classified into integrated axle suspensions and independent suspensions.Independent suspensions have a high mass under the spring, which provides a comfortable ride. It has excellent road holding and has the advantage of using a spring with a small spring constant, while the connection part is complicated and the structure becomes complicated, and the wheel alignment is caused by their wear. It is easy to change, and the wheel tread and wheel alignment change easily when driving, so the tires are easily worn, but it is used in passenger cars that emphasizes riding comfort or maneuverability.

한편 차량이 선회할 때 일측 바퀴는 리바운드(rebound)를, 타측 바퀴는 범프(bump)를 하게 됨으로 현가장치 설계자들은 안정된 선회(코너링, cornering)을 하기 위하여서 범프를 하는 바퀴는 부(-)의 캠버각을 가지도록 하여 휠 트레드를 증가시킴으로써 선회력을 증가할 수 있게 설계하고 있다.On the other hand, when the vehicle turns, one wheel rebounds and the other wheels bump, so the suspension designers use a negative camber to bump the wheels for stable turning. It is designed to increase turning force by increasing wheel tread with angle.

상기 독립현가장치 중 위시본식 현가장치는 평행사변형과 SLA형(short/long arm type)으로 대별되며, 평행사변형은 캠버값은 변화가 없음으로 커브 주행중에 안전성이 요구되는 경주용 자동차에 국한 사용되고, SLA형은 캠버값과 휠 트레드가 변화함으로 선회성능이 향상됨으로써 일반 승용차에 주로 사용하고 있다.Wishbone suspension system of the independent suspension device is roughly divided into parallelogram and SLA (short / long arm type), the parallelogram is used only in a racing car that requires safety while driving the curve because the camber value does not change, SLA type is mainly used in general passenger cars by improving turning performance by changing camber value and wheel tread.

상기 SLA형 현가장치는 하방부에 스핀들이 설치되는 너클과; 상기 너클의 상ㆍ하단에 일단을 볼 조인트로 결합하고 상부 암이 하부 암보다 그 길이가 짧은 상 ㆍ하 콘트롤 암과; 상기 상ㆍ하 콘트롤 암 사이에 설치하는 쇽업쇼바로 구성한 것이다.The SLA-type suspension includes a knuckle having a spindle installed below; An upper and lower control arm coupled at one end to a ball joint at the upper and lower ends of the knuckle, and having an upper arm shorter in length than a lower arm; The shock absorber is disposed between the upper and lower control arms.

상기한 SLA형 현가장치에 있어서, 설계자들이 채용할 수 있는 설계변수는 너클의 형상, 상ㆍ하 콘트롤 암의 길이 또는 그 경사의 기하학적 배치에 의하여 캠버, 토우, 캐스터 등의 차륜정렬요소를 정하고 있는바, 상기와 같은 설계변수는 단순하고, 또한 상기 차륜정렬요소 중 캠버값과 휠 트레드는 고정값을 가짐으로 통상의 선회상황에서는 안정된 선회를 할 수 있는 부의 캠버값과 휠 트레드의 증대를 달성할 수 있으나, 도로상황, 적재중량 등을 감안한 모든 선회상황조건에서 항상 만족할 수 있는 캠버값과 휠 트레드 증대를 이룩할 수 없게 되어 이경우 선회력이 감소되기 때문에 항상 양호한 선회안정성의 실현이 곤란한 문제점이 있는 것이다.In the above-described SLA type suspension system, the design variables that designers can adopt are the wheel alignment elements such as camber, toe, caster, etc. determined by the shape of the knuckle, the length of the upper and lower control arms, or the geometric arrangement of the inclination thereof. The above design parameters are simple, and the camber value and wheel tread of the wheel alignment elements have a fixed value, so that the negative camber value and wheel tread can be increased to enable stable turning in a normal turning situation. However, it is difficult to achieve the camber value and wheel tread increase that can always be satisfied in all turning conditions considering the road situation, loading weight, etc. In this case, the turning force is reduced, so it is difficult to realize good turning stability at all times.

본 발명은 상기한 문제점을 시정하여, 모든 선회상황조건에서 선회안전성을 유지할 수 있는 차량용 SLA 위시본식 현가장치를 제공하는 것을 목적으로 한다.SUMMARY OF THE INVENTION The present invention aims to provide a vehicle SLA wish suspension system for correcting the above problems, which can maintain turning safety in all turning conditions.

상기한 목적을 달성하기 위하여, 본 발명은 하방부에 스핀들이 설치되는 너클과; 상기 너클의 상ㆍ하단에 일단을 볼 조인트로 결합하고 상부측을 하부측보다 그 길이를 짧게 형성한 상ㆍ하 콘트롤 암과; 상기 상ㆍ하 콘트롤 암 사이에 설치하는 쇽업쇼바를 구비한 것에 있어서, 상기 너클의 스핀들 상부 부분을 제 1 너클과 제 2 너클로 구분하여 그 대향 외측을 힌지로 결합하고, 상기 제 1 너클의 상단과 제 2 너클의 하단 내측에 브라켓을 각각 형성하여 그 사이에 액츄에이터를 설치하여서 차량의 범프시에 신장되어 제 1 너클은 반시계방향으로 제 2 너클은 시계방향 으로 회전시키도록 한 것이다.In order to achieve the above object, the present invention and the knuckle is installed in the lower portion; Upper and lower control arms having one end connected to the upper and lower ends of the knuckle by a ball joint and the upper side of the knuckle being shorter than the lower side; With a shock absorber provided between the upper and lower control arms, the spindle upper portion of the knuckle is divided into a first knuckle and a second knuckle, and the opposite outer sides thereof are joined by a hinge, and an upper end of the first knuckle is provided. Brackets are formed inside the lower ends of the and second knuckles, respectively, and actuators are installed therebetween so that the first knuckles rotate counterclockwise and the second knuckles rotate clockwise.

본 발명은 도 1 및 도 2에 도시한 바와 같이, 하방부에 스핀들(11)이 설치되는 너클(10)과; 상기 너클(10)의 상ㆍ하단에 일단을 볼 조인트(12a)(12b)로 결합하고 상부측을 하부측보다 그 길이를 짧게 형성한 상ㆍ하 콘트롤 암(13a)(13b)과; 상기 상ㆍ하 콘트롤 암(13a)(13b) 사이에 설치하는 쇽업쇼바(14)를 구비한 것에 있어서, 상기 너클(10)의 스핀들(11) 상부 부분을 제 1 너클(20a)과 제 2 너클(20b)로 구분하여 그 대향 외측을 힌지(21)로 결합하고, 상기 제 1 너클(20a)의 상단과 제 2 너클(20b)의 하단 내측에 브라켓(22a)(22b)을 일체로 각각 형성하여 그 사이에 액츄에이터(23)를 설치하여서 차량의 범프시에 신장되어 제 1 너클(20a)은 반시계방향으로 제 2 너클(20b)은 시계방향으로 회전시키도록 한 것이다.1 and 2, the knuckle 10 is provided with a spindle 11 in the lower portion; Upper and lower control arms (13a) (13b) having one end coupled to the upper and lower ends of the knuckle (10) by ball joints (12a) (12b), and the upper side of which is shorter than the lower side; In the case having a shock absorber 14 provided between the upper and lower control arms 13a and 13b, the upper portion of the spindle 11 of the knuckle 10 is provided with the first knuckle 20a and the second knuckle. (20b) and the opposite outer side is coupled to the hinge 21, the upper end of the first knuckle (20a) and the lower end of the second knuckle (20b), respectively, integrally formed bracket (22a, 22b) The actuator 23 is interposed therebetween so that the first knuckle 20a rotates counterclockwise and the second knuckle 20b rotates clockwise.

상기 액츄에이터(23)는 유압실린더로 구성하여 상기 쇽업쇼바(14)에 도관(24)으로 연결하여 범프시 쇽업쇼바(14)가 수축될 때 그 유압을 공급받거나, 브라켓(22a)(22b) 중의 어느 하나에 모터를 설치하고 상기 모터와 액츄에이터(23)의 일단에 랙피니온기구 또는 나사연결기구 등을 설치하여 조향각 센서의 출력신호를 제어기에 입력하여 제어기의 출력전류에 의하여 모터를 회전하여 범프시에 액츄에이터(23)를 신장시킬 수 있다.The actuator 23 is configured as a hydraulic cylinder and connected to the shock absorber 14 with a conduit 24 to receive hydraulic pressure when the shock absorber 14 is contracted when bumped, or in the brackets 22a and 22b. Install a motor to any one of the rack and the pinion mechanism or screw connection mechanism to one end of the actuator 23, input the output signal of the steering angle sensor to the controller to rotate the motor by the output current of the controller to bump The actuator 23 can be extended at the time.

이상과 같은 본 발명은 선회시에 기존의 방법에 의하여 부의 캠버값과 휠 트레드를 증가함과 동시에 액츄에이터(23)를 신장시켜 제 1 너클(20a)은 반시계방향으로 제 2 너클(20b)은 시계방향으로 회전시킴으로써 도로상황, 적재중량 등을 감 안한 모든 선회상황에서 부의 캠버값과 휠 트레드를 양호하게 증가(변화)시킬 수 있는 것이다.As described above, the present invention increases the negative camber value and the wheel tread by the conventional method during turning, and simultaneously extends the actuator 23 so that the first knuckle 20a is counterclockwise and the second knuckle 20b is By turning clockwise, the negative camber value and wheel tread can be increased (changed) well in all turning conditions under consideration of road conditions and load weights.

이상과 같이 본 발명은 SLA 위시본식 현가장치의 너클을 제 1 및 제 2 너클로 구분하여 그 대향 외측을 힌지 결합하고, 또한 상기 제 1 및 제 2 너클의 대향 내측에 브라켓을 형성하여 브라켓 사이에 액츄에이터를 설치하여서, 차량의 모든 선회상황에서 부의 캠버값과 휠 트레드를 증가시킬 수 있도록 하였음으로 선회시 선회력을 증가함과 동시에 타이어와 노면의 접착력을 증대시킴으로써 선회안정성을 양호하게 유지할 수 있고, 타이어의 마모를 줄일 수 있는 것이다.As described above, the present invention divides the knuckle of the SLA wishbone suspension system into the first and second knuckles and hinges the opposite outer sides thereof, and also forms the brackets on the opposite inner sides of the first and second knuckles between the brackets. By installing an actuator, it is possible to increase negative camber value and wheel tread in all turning situations of the vehicle, thereby increasing turning power and turning adhesive force between the tire and the road surface while maintaining turning stability. To reduce wear.

Claims (3)

하방부에 스핀들이 설치되는 너클과; 상기 너클의 상ㆍ하단에 일단을 볼 조인트로 결합하고 상부측을 하부측보다 그 길이를 짧게 형성한 상ㆍ하 콘트롤 암과; 상기 상ㆍ하 콘트롤 암 사이에 설치하는 쇽업쇼바를 구비한 것에 있어서, 상기 너클의 스핀들 상부 부분을 제 1 너클과 제 2 너클로 구분하여 그 대향 외측을 힌지로 결합하고, 상기 제 1 너클의 상단과 제 2 너클의 하단 내측에 브라켓을 각각 형성하여 그 사이에 액츄에이터를 설치하여서 차량의 범프시에 신장되어 제 1 너클은 반시계방향으로 제 2 너클은 시계방향으로 회전시키도록 한 차량용 위시본식 현가장치.A knuckle having a spindle installed at a lower portion thereof; Upper and lower control arms having one end connected to the upper and lower ends of the knuckle by a ball joint and the upper side of the knuckle being shorter than the lower side; With a shock absorber provided between the upper and lower control arms, the spindle upper portion of the knuckle is divided into a first knuckle and a second knuckle, and the opposite outer sides thereof are joined by a hinge, and an upper end of the first knuckle is provided. A vehicle wishbone suspension is formed in each of the lower ends of the second and second knuckles, and an actuator is installed therebetween to extend the bump during the vehicle so that the first knuckle rotates counterclockwise and the second knuckle rotates clockwise. Device. 제 1 항에 있어서, 액츄에이터는 유압실린더로 구성하여 상기 쇽업쇼바에 도관으로 연결한 차량용 위시본식 현가장치.The vehicle wishbone suspension system according to claim 1, wherein the actuator comprises a hydraulic cylinder and is connected to the shock absorber by a conduit. 제 1 항에 있어서, 브라켓 중의 어느 하나에 모터를 설치하고, 상기 모터와 액츄에이터의 일단에 랙피니온기구 또는 나사연결기구 중 어느 하나를 설치하여 상기 모터를 조향각센서의 출력신호를 입력받는 제어기에 의하여 제어하는 차량용 위시본식 현가장치.The controller of claim 1, wherein the motor is installed at one of the brackets, and either the rack pinion mechanism or the screw connection mechanism is installed at one end of the motor and the actuator to connect the motor to the controller receiving the output signal of the steering angle sensor. Wishbone suspension system for vehicles controlled by.
KR1020060033884A 2006-04-14 2006-04-14 Short/long arm wishbone type suspension system for vehicle KR20070102133A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101417126B1 (en) * 2008-12-03 2014-07-08 현대자동차주식회사 Device for reducing operating effort of steering handle
KR20200008405A (en) * 2018-07-16 2020-01-28 현대자동차주식회사 Macpherson strut type suspension with improved camber characteristics

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101417126B1 (en) * 2008-12-03 2014-07-08 현대자동차주식회사 Device for reducing operating effort of steering handle
KR20200008405A (en) * 2018-07-16 2020-01-28 현대자동차주식회사 Macpherson strut type suspension with improved camber characteristics

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