KR19980016976U - Suspension device for level keeping of vehicle - Google Patents
Suspension device for level keeping of vehicle Download PDFInfo
- Publication number
- KR19980016976U KR19980016976U KR2019960030327U KR19960030327U KR19980016976U KR 19980016976 U KR19980016976 U KR 19980016976U KR 2019960030327 U KR2019960030327 U KR 2019960030327U KR 19960030327 U KR19960030327 U KR 19960030327U KR 19980016976 U KR19980016976 U KR 19980016976U
- Authority
- KR
- South Korea
- Prior art keywords
- vehicle
- suspension device
- shock absorber
- sensor
- vehicle body
- Prior art date
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 34
- 230000035939 shock Effects 0.000 claims abstract description 31
- 239000006096 absorbing agent Substances 0.000 claims abstract description 30
- 239000003921 oil Substances 0.000 claims abstract description 18
- 238000012423 maintenance Methods 0.000 claims abstract description 11
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient 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
- B60G17/015—Resilient 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
- B60G17/019—Resilient 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 type of sensor or the arrangement thereof
- B60G17/01908—Acceleration or inclination sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
- B60G13/06—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type
- B60G13/08—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type hydraulic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient 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
- B60G17/015—Resilient 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
- B60G17/018—Resilient 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
- B60G17/0182—Resilient 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 involving parameter estimation, e.g. observer, Kalman filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/40—Type of actuator
- B60G2202/41—Fluid actuator
- B60G2202/416—Fluid actuator using a pump, e.g. in the line connecting the lower chamber to the upper chamber of the actuator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/20—Mounting of accessories, e.g. pump, compressor
- B60G2204/201—Mounting of accessories, e.g. pump, compressor of fluid lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/05—Attitude
- B60G2400/051—Angle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/10—Damping action or damper
- B60G2500/11—Damping valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/30—Height or ground clearance
- B60G2500/302—Height or ground clearance using distributor valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
본 고안은 차량의 수평유지용 현가장치에 관한 것으로, 차량의 기울어짐을 감지하도록 차체의 센터라인에 설치된 센서(1)와, 이 센서(1)의 신호를 인가받아 유압펌프(2)로부터 토출되는 압유의 유로를 제어하는 제어부(3) 및, 상기 제어부(3)에 의해 제어된 압유를 공급받아 작동되는 쇽업소버(4)로 구성되어, 차량의 기울기를 감지하는 센서의 작동에 따라 오일을 각 현가장치에 압송함으로써 차체를 항상 수평으로 유지하여 승차감 향상은 물론 현가장치의 수명을 연장할 수 있는 효과가 있다.The present invention relates to a suspension device for horizontal maintenance of a vehicle, and the sensor (1) installed in the centerline of the vehicle body to detect the inclination of the vehicle, and is discharged from the hydraulic pump (2) by receiving the signal of the sensor (1) The controller 3 is configured to control the flow path of the hydraulic oil, and the shock absorber 4 is operated by receiving the hydraulic oil controlled by the control unit 3, and the oil is changed according to the operation of the sensor for detecting the inclination of the vehicle. By pressing the suspension device, the vehicle body is always kept horizontal, thereby improving the riding comfort and extending the life of the suspension device.
Description
본 고안은 자동차 수평유지용 현가장치에 관한 것으로서, 특히 자동차의 기울어짐을 감지하여 기울어진 쪽의 현가장치에 압유를 공급함으로써, 코너링 등의 경우에도 차체를 항상 수평으로 유지할 수 있도록 된 자동차 수평유지용 현가장치에 관한 것이다.The present invention relates to a suspension device for maintaining the vehicle level, in particular, by supplying pressure oil to the suspension of the inclined side by detecting the inclination of the car, for the vehicle level maintenance to ensure that the vehicle body is always horizontal even in cornering It is about a suspension device.
일반적으로 차량의 현가장치는 차축과 차체 사이에 설치되어, 주행할 때에 차축이 노면에서 받은 진동이나 충격을 차체에 직접 전달하지 않도록 하여 차체나 화물의 손상을 방지하고 승차감을 좋게 하는 장치로서, 노면에서 받는 충격을 완화하는 섀시 스프링과, 섀시 스프링의 자유진동을 억제하여 승차감을 좋게 하는 쇽 업소버 등으로 구성되어 있다.In general, the suspension device of the vehicle is installed between the axle and the body to prevent the axle from directly transmitting vibrations or shocks received from the road surface to prevent the damage to the body or cargo and improve ride comfort. It is composed of a chassis spring to alleviate the shock received by the shock absorber, and a shock absorber that suppresses the free vibration of the chassis spring to improve ride comfort.
이러한 현가 장치는 통상 화물차 등과 같은 상용차에 사용되는 차축 현가 장치와, 승차감과 조종성을 중시하는 승용차에 사용되는 독립 현가 장치로 구분되는 바, 일례로써 상기한 독립 현가 장치를 살펴보면 도 3에 도시된 바와 같이 휠(101)의 조향너클(102)과 차체 사이에 쇽업소버(103)가 구비된 스트럿(104)이 스프링(105)을 매개로 설치된 구조로 되어 있다.Such a suspension device is classified into an axle suspension device commonly used in a commercial vehicle such as a van and an independent suspension device used in a passenger car that emphasizes ride comfort and maneuverability. As an example, the suspension device described above is illustrated in FIG. Similarly, the strut 104 provided with the shock absorber 103 between the steering knuckle 102 of the wheel 101 and the vehicle body has a structure provided via the spring 105.
그러나, 상기한 현가장치은 차체와 휠이 장착되는 차축 사이에 설치되어 지면과 차체의 가압에 의해 일정한 행정을 갖고 동작하기 때문에 노면으로부터 자동차에 충격이 가해졌을 때 충격을 흡수하여 감소시킬 수는 있지만 차량이 코너링 주행할 때 기울어지는 것을 감지하여 차량을 적극적으로 수평상태로 유지시켜 줄수는 없었다.However, the suspension is installed between the vehicle body and the axle on which the wheel is mounted, and operates with a certain stroke by pressurization of the ground and the vehicle body. However, the suspension device can absorb and reduce the impact when the vehicle is impacted from the road surface. It was not possible to actively keep the vehicle horizontally by detecting the inclination when driving this cornering.
즉, 차량의 선회시 관성력에 의해 차량이 기울어지는 경우나 차량의 일측에 무거운 짐을 싣는 등과 같이 하중이 일측에만 가해져 차량이 기울어진 상태로 운행하게 되면 운전자나 탑승자 또한 기울어진 채로 운행해야 하므로 승차감이 나빠짐은 물론 상기와 같이 기울어진 채로 장시간 운행시에는 현가장치의 수명을 단축시킨다는 문제점이 있었던 것이다.That is, when the vehicle is inclined due to inertial force or when the vehicle is inclined due to inertia force when the vehicle is inclined due to the inertia force, the driver or the passenger must also be inclined. As well as worsening, there was a problem that shorten the life of the suspension device when running for a long time as inclined as described above.
따라서, 본 고안의 목적은 상기한 문제점을 해결하기 위한 것으로서, 차체의 기울어짐을 감지하여 기울어진 쪽의 현가장치에 압유를 적극적으로 공급하여, 차체를 항상 수평으로 유지하여 승차감을 향상시킬 수 있도록 된 자동차의 수평유지용 현가장치를 제공함에 그 목적이 있다.Therefore, an object of the present invention is to solve the above problems, by detecting the inclination of the vehicle body and actively supplying the oil pressure to the inclined suspension device, it is possible to improve the riding comfort by always keeping the vehicle body horizontal It is an object of the present invention to provide a suspension device for leveling a vehicle.
상기한 목적을 실현하기 위하여 본 고안은 차량의 기울어짐을 감지하도록 차체의 센터라인에 설치된 센서와, 이 센서의 신호를 인가받아 유압펌프로부터 토출되는 압유의 유로를 제어하는 제어부 및, 상기 제어부에 의해 제어된 압유를 공급받아 작동되는 쇽업소버로 구성되어 있다.In order to achieve the above object, the present invention provides a sensor installed at the center line of the vehicle body to detect the inclination of the vehicle, a control unit for controlling the flow path of the hydraulic oil discharged from the hydraulic pump by receiving the signal of the sensor, and by the control unit It is composed of a shock absorber that is operated by receiving a controlled pressure oil.
여기서, 상기 제어부는 센서의 신호에 따라 유로의 방향을 바꿔주는 컨트롤러와 이 컨트롤러에 의해 제어되는 제어벨브 및 이 제어밸브를 매개로 유압펌프와 쇽업소버에 연결된 유압라인으로 구성되어 있다.Here, the control unit is composed of a controller for changing the direction of the flow path in accordance with the signal of the sensor, a control valve controlled by the controller and a hydraulic line connected to the hydraulic pump and the shock absorber via the control valve.
이에 따라 센서에 의해 차량의 기울어짐이 감지되면 제어부가 유압 펌프로부터 토출되는 압유를 제어하여 현가장치의 쇽업소버에 압유를 공급 또는 배출시킴으로써, 항상 차체의 수평을 유지할 수 있게 되는 것이다.Accordingly, when the inclination of the vehicle is detected by the sensor, the control unit controls the pressure oil discharged from the hydraulic pump to supply or discharge the pressure oil to the shock absorber of the suspension device, thereby always maintaining the level of the vehicle body.
도 1은 본 고안에 따른 차량의 수평유지용 현가장치가 설치된 상태를 도시한 개략도,1 is a schematic view showing a state in which a suspension device for horizontal maintenance of a vehicle according to the present invention is installed;
도 2는 본 고안에 따른 차량의 수평유지용 현가장치의 구성도,2 is a block diagram of a suspension device for horizontal maintenance of the vehicle according to the present invention,
도 3은 종래의 자동차에 설치되어 있는 현가장치을 도시한 개략도이다.3 is a schematic diagram showing a suspension device installed in a conventional vehicle.
*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *
1 : 센서 2 : 유압펌프1: sensor 2: hydraulic pump
3 : 제어부 4 : 쇽업소버3: control unit 4: shock absorber
4a: 좌측챔버 4b: 우측챔버4a: left chamber 4b: right chamber
4c: 로드 5 : 컨트롤러4c: load 5: controller
6 : 제어밸브 7a: 유압라인6: control valve 7a: hydraulic line
7b: 유압라인7b: hydraulic line
이하, 첨부 도면을 참조하여 본 고안을 자세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
도 1은 본 고안에 따른 차량의 수평유지용 현가장치가 설치된 상태를 도시한 개략도이고, 도 2는 본 고안에 따른 차량의 수평유지용 현가장치의 구성도인 바, 즉 차량의 기울어짐을 감지하도록 차체의 센터라인에 설치된 센서(1)와, 이 센서(1)의 신호를 인가받아 유압펌프(2)로부터 토출되는 압유의 유로를 제어하는 제어부(3) 및, 상기 제어부(3)에 의해 제어된 압유를 공급받아 작동되는 쇽업소버(4)로 구성되어 있다.1 is a schematic view showing a state in which the suspension device for horizontal maintenance of the vehicle according to the present invention is installed, and FIG. 2 is a configuration diagram of the suspension device for horizontal maintenance of the vehicle according to the present invention, that is, to detect the inclination of the vehicle. The controller 1 installed in the center line of the vehicle body, the control unit 3 for controlling the flow path of the hydraulic oil discharged from the hydraulic pump 2 in response to the signal of the sensor 1, and controlled by the control unit 3 It is composed of a shock absorber (4) that is operated by receiving the supplied pressure oil.
여기서 상기 제어부(3)는 센서(1)의 신호에 따라 차체의 기울어진 정도를 연산하는 컨트롤러(5)와 이 컨트롤러(5)에 의해 제어되는 제어벨브(6) 및 이 제어밸브(6)를 매개로 유압펌프(2)와 쇽업소버(4)에 연결된 유압라인(7a,7b)으로 구성되어 있다.In this case, the controller 3 controls the controller 5 for calculating the degree of inclination of the vehicle body according to the signal of the sensor 1, the control valve 6 controlled by the controller 5, and the control valve 6. It consists of hydraulic lines 7a and 7b connected to the hydraulic pump 2 and the shock absorber 4 by the medium.
또한 상기 제어밸브(6)가 4포트 절환밸브로 되어, 유압펌프(2)로부터 상기 제어밸브(6)에 연결된 유압라인(7a,7b)이 쇽업소버(4)의 좌,우측챔버(4a,4b)에 각각 연결된 구조로 되어 있다.In addition, the control valve 6 is a four-port switching valve, the hydraulic line (7a, 7b) connected from the hydraulic pump (2) to the control valve (6) is the left and right chamber (4a) of the shock absorber (4) Each structure is connected to 4b).
이에 따라 센서(1)에 의해 차량의 기울어짐이 감지되면 제어부(3)의 제어밸브(6)를 통해 유압 펌프(2)로부터 토출되는 압유를 제어하여 현가장치의 쇽업소버(4)에 압유를 공급 또는 배출시킴으로써, 항상 차체의 수평을 유지할 수 있게 되는 것이다.Accordingly, when the inclination of the vehicle is detected by the sensor 1, the oil pressure discharged from the hydraulic pump 2 is controlled through the control valve 6 of the controller 3 to supply the oil pressure to the shock absorber 4 of the suspension system. By supplying or discharging, it is possible to always maintain the level of the vehicle body.
이하 본 고안에 따른 차량의 수평유지용 현가장치에 대한 작용 및 효과에 대해 설명하면 다음과 같다.Hereinafter will be described the operation and effect on the horizontal suspension of the vehicle according to the present invention.
차량의 운행시 선회 등에 의해 차체가 기울어지는 경우에는 기울어진 상태가 상기 센서(1)에 의해 감지가 되고, 이와 같이 감지된 신호는 제어부(3)의 컨트롤러(5)에 인가가 되게 된다.When the vehicle body is inclined due to the turning of the vehicle, the inclined state is detected by the sensor 1, and the detected signal is applied to the controller 5 of the controller 3.
상기 신호를 인가받은 컨트롤러(5)는 차체의 기울어진 정도를 연산하여 제어밸브(6)를 조절함으로써, 유압펌프(2)로부터 토출되는 압유를 쇽업소버(4)에 적절히 공급,배출함하여 차체의 수평을 유지시키게 된다.The controller 5 receiving the signal calculates the degree of inclination of the vehicle body and adjusts the control valve 6 to supply and discharge the hydraulic oil discharged from the hydraulic pump 2 to the shock absorber 4 appropriately. Keeps the horizontal.
여기서 상기 유압펌프(2)와 쇽업소버(4)는 제어밸브(6)를 매개로 유압라인(7a,7b)으로 연결되되, 이 유압라인(7a,7b)은 각각 쇽업소버(4)의 피스톤헤드(도시되지 않음)의 좌,우측챔버(4a,4b)에 연결되어 있고, 상기 제어밸브(6)는 4포트 절환밸브로 이루어져 있어서, 이 제어밸브(6)가 컨트롤러(5)에 의해 조절되어 유로의 방향을 바꿈에 따라 유압펌프(2)로부터 토출되는 압유가 쇽업소버(4)내부 피스톤 해드의 좌측챔버(4a)에 공급되고 우측챔버(4b)의 압유는 배출되거나, 우측챔버(4b)에 공급되고 좌측챔버(4a)의 압유는 배출되게 된다.Here, the hydraulic pump 2 and the shock absorber 4 are connected to the hydraulic lines 7a and 7b through the control valve 6, and the hydraulic lines 7a and 7b are pistons of the shock absorber 4, respectively. It is connected to the left and right chambers 4a and 4b of the head (not shown), and the control valve 6 consists of a four-port switching valve so that the control valve 6 is regulated by the controller 5. And the oil pressure discharged from the hydraulic pump 2 is supplied to the left chamber 4a of the piston head inside the shock absorber 4 as the direction of the flow path is changed, and the pressure oil of the right chamber 4b is discharged or the right chamber 4b is discharged. ) And the pressurized oil of the left chamber 4a is discharged.
따라서 상기와 같이 차체가 기울어진 경우에는 기울어진 쪽의 현가장치에 설치된 쇽압소버(4)에 압유를 공급하게 되는 데, 이때 제어밸브(6)는 압유의 공급라인(7a)을 쇽업소버(4)의 캡측, 즉 좌측챔버(4a)로 하고 배출라인(7b)은 우측챔버(4b)인 헤드측이 되도록 포트의 방향을 바꾸게 된다.Therefore, when the vehicle body is inclined as described above, the hydraulic oil is supplied to the shock absorber 4 installed in the suspension device on the inclined side. In this case, the control valve 6 switches the pressure supply line 7a of the shock absorber ( The direction of the port is changed so that the cap side of 4), that is, the left chamber 4a, and the discharge line 7b become the head side, which is the right chamber 4b.
이렇게 쇽업소버(4)의 좌측챔버(4a)로 공급된 압유는 쇽압소버(4)의 로드(4c)를 밀어올리게 되고, 우측챔버(4b)의 압유는 유압펌프(2)로 배출됨으로써, 전체적으로 쇽업소버(4)의 길이가 신장되어 차체의 높이를 높일 수 있게 되는 것이다.Thus, the pressure oil supplied to the left chamber 4a of the shock absorber 4 pushes up the rod 4c of the shock absorber 4, and the pressure oil of the right chamber 4b is discharged to the hydraulic pump 2, As a whole, the length of the shock absorber 4 is extended so that the height of the vehicle body can be increased.
이와 같이 기울어진 쪽의 차체를 높임으로써, 차량이 수평을 유지하게 되어 편안한 승차감을 얻을 수 있는 것이다.In this way, by raising the inclined side of the body, the vehicle is kept horizontal, so that a comfortable ride can be obtained.
한편, 차체가 높은 쪽의 쇽압소버(4)에는 상기와 반대로 제어부(3)의 컨트롤러(5)에 의해 제어밸브(6)의 방향이 절환되게 되는 바, 이때는 유압펌프(2)의 공급라인(7a)이 쇽업소버(4)의 우측챔버(4b)에 연결되고, 배출라인(7b)은 좌측챔버(4a)와 연결되어, 우측챔버(4b)에 공급되는 압유가 쇽업소버(4)의 로드(4c)를 밀어 내리게 됨으로써, 쇽업소버(4)의 전체 길이가 줄어들게 되어 쇽업소버(4)와 연결되어 있는 차체의 높이를 낮출 수 있게 되는 것이다.On the other hand, the hydraulic pressure absorber (4) of the vehicle body is higher, the direction of the control valve (6) is switched by the controller (5) of the control unit 3, in contrast to the above, in this case, the supply line of the hydraulic pump (2) (7a) is connected to the right chamber (4b) of the shock absorber 4, the discharge line (7b) is connected to the left chamber (4a), the pressure oil supplied to the right chamber (4b) of the shock absorber (4) By pushing down the rod 4c, the overall length of the shock absorber 4 is reduced, so that the height of the vehicle body connected to the shock absorber 4 can be lowered.
이상과 같이 상기의 차량 수평유지용 현가장치는 센서(1)에 의해 차량의 기울어짐이 감지되면 유압펌프(2)로부터 토출되는 압유를 현가장치의 쇽업소버(4)에 공급 또는 배출시켜 차량의 높이를 높이거나 낮추어 수평을 유지할 수 있는 것이다.As described above, when the vehicle 1 is detected by the sensor 1, the suspension device for horizontal maintenance of the vehicle supplies or discharges the pressure oil discharged from the hydraulic pump 2 to the shock absorber 4 of the suspension device. You can level it up by raising or lowering it.
이상 설명한 바와 같이 본 고안에 따른 차량의 수평유지용 현가장치에 의하면, 차량의 기울기를 감지하는 센서의 작동에 따라 압유를 각 현가장치에 압송함으로써 차체를 항상 수평으로 유지하여 승차감 향상은 물론 현가장치의 수명을 연장할 수 있는 효과가 있다.As described above, according to the suspension device for horizontal maintenance of the vehicle according to the present invention, by supplying the pressure oil to each suspension device in accordance with the operation of the sensor for detecting the inclination of the vehicle, the vehicle body is always kept horizontal to improve the ride comfort as well as the suspension device It has the effect of extending the life of the.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960030327U KR19980016976U (en) | 1996-09-20 | 1996-09-20 | Suspension device for level keeping of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960030327U KR19980016976U (en) | 1996-09-20 | 1996-09-20 | Suspension device for level keeping of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR19980016976U true KR19980016976U (en) | 1998-06-25 |
Family
ID=53976693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019960030327U KR19980016976U (en) | 1996-09-20 | 1996-09-20 | Suspension device for level keeping of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR19980016976U (en) |
-
1996
- 1996-09-20 KR KR2019960030327U patent/KR19980016976U/en not_active Application Discontinuation
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