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公开(公告)号：KR100559313B1
公开(公告)日：2006-03-15
申请号：KR1020020034262
申请日：2002-06-19
Applicant: 현대자동차주식회사
Inventor： 김효식
IPC: B62D31/02
Abstract: 개시되는 버스의 루프 진동 저감장치는, 버스의 루프 및 플로어에 설치되어 상기 버스의 상기 루프로부터 받는 하중으로 인한 변형을 방지하기 위한 버스의 루프 진동 저감장치에 있어서, 상기 루프와 플로어를 수직으로 연결하며 고정 설치된 지지바와; 상기 지지바 내의 상부 일측에 설치되어 상기 지지바 내로 공급되는 공압에 의해 작동되는 피스톤 장치와; 상기 피스톤 장치의 하부의 상기 지지바 내에 설치되어 상기 루프의 하중에 따른 진동을 감지하는 전자식의 루프변위 감지장치와; 상기 피스톤 장치와 상기 루프변위 감지장치를 연결하여 상기 피스톤 장치와 상기 루프변위 감지장치가 연동되도록 하는 연결부재와; 상기 지지바와 연결 설치되어 상기 지지바에 공압을 공급하는 공압제어밸브;를 포함하는 것을 그 특징으로 한다. 본 발명에 따르면, 중공의 지지바에 간단한 구성으로 된 피스톤 장치 및 루프변위 감지장치를 설치함으로써 상기한 지지바가 액츄에이터 역할을 하게 됨으로 루프의 진동변위 제어기능을 향상시킬 수 있고, 장치의 구성 또는 구조가 단순하여 장치의 유지보수가 용이하고, 장치의 무게가 감소하며, 장치의 제조 및 장착에 따른 코스트가 절감될 수 있는 이점이 있다.
루프, 연료전지 버스, 액츄에이터, 공압제어밸브, 피스톤 장치-
公开(公告)号：KR100444456B1
公开(公告)日：2004-08-16
申请号：KR1020010085597
申请日：2001-12-27
Applicant: 현대자동차주식회사
Inventor： 김효식
IPC: B60G17/052
Abstract: PURPOSE: A leveling system of a vehicle having an air suspension is provided to improve freedom of design for the suspension, to be installed easily and to be used for all vehicle types by minimizing interference of peripheral parts with packaged devices to control a leveling valve. CONSTITUTION: A leveling valve(50) operated by a pneumatic signal is installed to a lower bracket(13) of an air spring(10). An operation control device(60) is installed to an upper bracket(12) to generate the pneumatic signal to the leveling valve. The operation control device is arranged to a middle portion of a cylinder housing normally by a string(61) and a tension spring connected to both sides of a piston respectively. The operation control device generates a lowering signal of a frame(20) or a rising signal of the frame with a movement by compressing air when a ride height is lowered or raised. Lowering or rising signal is transmitted to the leveling valve through a hose(70,71) to operate the leveling valve. Therefore, a stable pose of a vehicle by supplying and exhausting air from the air spring according to the ride height.
Abstract translation: 目的：提供一种具有空气悬架的车辆的调平系统，以提高悬架的设计自由度，易于安装，并通过最小化外围部件与包装装置之间的干涉来控制调平阀，以用于所有类型的车辆。 组成：由气动信号操作的升降阀（50）安装在空气弹簧（10）的下托架（13）上。 操作控制装置（60）安装到上部支架（12）以产生到平衡阀的气动信号。 操作控制装置通常通过分别连接到活塞两侧的绳索（61）和拉伸弹簧布置到气缸壳体的中间部分。 当行驶高度降低或升高时，操作控制装置通过压缩空气来产生框架（20）的下降信号或框架的上升信号。 降低或上升的信号通过软管（70,71）传输到调平阀以操作调平阀。 因此，根据行驶高度，通过从空气弹簧供应和排出空气来获得稳定的车辆姿态。
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Patent Agency Ranking
公开(公告)号：KR1020030083517A
公开(公告)日：2003-10-30
申请号：KR1020020022228
申请日：2002-04-23
Applicant: 현대자동차주식회사
Inventor： 김효식
IPC: B60G17/052
CPC classification number: B60G17/0155 , B60G17/052 , B60G2202/152 , B60G2202/43 , B60G2204/126 , B60G2204/42 , B60G2204/421 , B60G2400/252 , B60G2800/912
Abstract: PURPOSE: A level control device for an air suspension vehicle is provided to control the level of the vehicle automatically by controlling the distance between the vehicle body and the wheelbase with bellows according to contraction and expansion of the air spring. CONSTITUTION: A level control device of an air suspension vehicle is composed of bellows(1) arranged in series with an air spring between a vehicle body and an axle; a cam(9) turned and installed in the bellows to vary the length of the bellows according to turning; a pulley(3) turned and installed in the air spring; a detecting chain(5) fixed to the end of the air spring and fitted to the pulley; an expansion member(7) connected to the detecting chain in series and fastened to the end of the air spring fixing the detecting chain; and a turning synchronizing unit transmitting rotation of the cam and the pulley mutually.
Abstract translation: 目的：提供一种用于空气悬架车辆的液位控制装置，通过根据空气弹簧的收缩和膨胀来控制车体与轴套之间的距离来自动控制车辆的水平。 构成：空气悬架车辆的液位控制装置由与车体和车轴之间的空气弹簧串联布置的波纹管（1）组成; 凸轮（9）转动并安装在波纹管中，以根据转动改变波纹管的长度; 转动并安装在空气弹簧中的滑轮3; 检测链（5），其固定到所述空气弹簧的端部并且安装到所述滑轮; 一个与检测链串联连接并紧固到固定检测链的空气弹簧的端部的膨胀件（7）; 以及转动同步单元，其相互地传递凸轮和滑轮的旋转。
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公开(公告)号：KR1020030073528A
公开(公告)日：2003-09-19
申请号：KR1020020013146
申请日：2002-03-12
Applicant: 현대자동차주식회사
Inventor： 김효식
IPC: B62D47/02
Abstract: PURPOSE: A device for reducing transformation and vibration of a roof of a bus body is provided to reduce transformation of the vehicle body and noise due to an excessive weight on the roof of the bus by using pneumatic pressure. CONSTITUTION: A device for reducing transformation and vibration of a roof of a bus body includes a damping device(30), a support device(40), a displacement detecting device(60), a pneumatic control valve(70) and a pneumatic supply device(90). The damping device supports an excessive weight with pneumatic pressure in a carrier bow(10) and reduces vibration of a vehicle body as well as prevents the roof from transforming. The support device supports the damping device vertically. The displacement detecting device exhausts pneumatic pressure by changing a port according to displacement of the damping device. The displacement detecting device is combined to a lower end of the support device in a floor member of a lower end of the vehicle body. The pneumatic control valve supplies pneumatic pressure for the damping device or exhausts pneumatic pressure by changing a position of the valve with pneumatic pressure exhausted from the displacement detecting device. The pneumatic supply device supplies pneumatic pressure for the displacement detecting device and the pneumatic control valve. Therein, transformation of the vehicle body and noise due to the excessive weight are reduced by using pneumatic pressure after detecting transformation and noise of the roof with the displacement detecting device.
Abstract translation: 目的：提供一种用于减少总线车体屋顶变形和振动的装置，通过使用气动压力，减轻了车体的重量变化和噪音。 构成：用于减少总线主体的屋顶的变形和振动的装置包括阻尼装置（30），支撑装置（40），位移检测装置（60），气动控制阀（70）和气动供给装置 装置（90）。 阻尼装置在载体弓（10）中支撑具有气动压力的过大的重量，并且减少车身的振动，并且防止屋顶变形。 支撑装置垂直支撑阻尼装置。 位移检测装置根据阻尼装置的位移改变端口而排出气压。 位移检测装置在车身下端的地板部件中与支撑装置的下端组合。 气动控制阀为阻尼装置提供气压或通过从位移检测装置排出的气压改变阀的位置来排出气压。 气动供给装置为位移检测装置和气动控制阀提供气压。 其中，通过使用位移检测装置检测到屋顶的变形和噪声之后，通过使用气动压力来减少由于重量而导致的车身和噪音的过度变化。
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公开(公告)号：KR1020030055583A
公开(公告)日：2003-07-04
申请号：KR1020010085598
申请日：2001-12-27
Applicant: 현대자동차주식회사
Inventor： 김효식
IPC: B60G17/052
Abstract: PURPOSE: A leveling system of a vehicle having an air suspension is provided to improve freedom of design for the suspension, to be installed easily and to be used for all types of vehicle by minimizing interference of peripheral parts with packaged devices to control a leveling valve. CONSTITUTION: A leveling system of a vehicle having an air suspension includes a leveling valve(50) and an operation control device(60). The leveling valve is operated by a pneumatic signal from the operating control device as a three-way valve. The leveling valve is installed to the inside of a lower bracket(13). The leveling valve has an inlet pipe(51) connected to an air tank, a supply pipe(52) and an outlet pipe(53). The supply pipe and the outlet pipe are communicated with the inside and the outside of an airbag(11) by penetrating the lower bracket respectively. The operation control device is installed to the inside of the airbag in the middle of an air spring(10). The operation control device transmits pneumatic pressure generated from a piston(62) to the leveling valve through a hose(70,71). The piston is lifted up and down according to change of a distance between a frame(20) and an axle(30). Thereby, an installing space is secured easily by installing the leveling valve and the operation control device inside the air spring.
Abstract translation: 目的：提供一种具有空气悬架的车辆的调平系统，以提高悬挂设计的自由度，易于安装并用于所有类型的车辆，通过最小化外围部件与包装装置的干扰来控制调平阀 。 构成：具有空气悬架的车辆的调平系统包括调平阀（50）和操作控制装置（60）。 调平阀由作为三通阀的操作控制装置的气动信号操作。 调平阀安装在下支架（13）的内侧。 调平阀具有连接到空气罐的入口管（51），供应管（52）和出口管（53）。 供气管和出水管分别穿过下支架与气囊（11）的内部和外部连通。 操作控制装置安装在气囊内部的空气弹簧（10）的中间。 操作控制装置通过软管（70,71）将从活塞（62）产生的气压传递到调平阀。 活塞根据框架（20）和轴（30）之间的距离的变化而上下升降。 因此，通过将调平阀和操作控制装置安装在空气弹簧内部容易地固定安装空间。
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公开(公告)号：KR1020010066654A
公开(公告)日：2001-07-11
申请号：KR1019990068533
申请日：1999-12-31
Applicant: 현대자동차주식회사
Inventor： 김효식
IPC: B60K17/24
Abstract: PURPOSE: A propeller shaft center bearing is provided to enhance stillness of a car by reducing torsional vibration thereof generated from a propeller shaft. CONSTITUTION: A center bearing comprises an elastic member(7), a bearing(10) and a mounting bracket(11). The elastic member axially connected with a propeller shaft(2) isolates vibration by being deformed against vibration. The bearing is engaged with the round of the elastic member, an inner wheel(10a) of which is integrally rotated with the propeller shaft and an outer wheel(10c) of which is fixed. The mounting bracket engaged with the round of the bearing fixes the position of the bearing by being fixed to a car body frame by one end thereof. The elastic member repeats transformation thereof against torsion vibration generated in a propeller shaft and absorbs vibration by changing torsion vibration energy to heat energy.
Abstract translation: 目的：提供一种传动轴中心轴承，通过减少由螺旋桨轴产生的扭转振动来提高汽车的静音。 构成：中心轴承包括弹性构件（7），轴承（10）和安装支架（11）。 与传动轴（2）轴向连接的弹性构件通过变形抵抗振动而隔离振动。 轴承与弹性构件的圆周接合，内轮（10a）与传动轴一体旋转，外轮（10c）固定。 与轴承圆周接合的安装支架通过其一端固定在车体框架上来固定轴承的位置。 弹性部件重复对抗螺旋桨轴产生的扭转振动的变换，通过将扭转振动能量变换为热能来吸收振动。
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公开(公告)号：KR1020010010575A
公开(公告)日：2001-02-15
申请号：KR1019990029547
申请日：1999-07-21
Applicant: 현대자동차주식회사
Inventor： 김효식
IPC: G01M13/00
Abstract: PURPOSE: A method for estimating a fatigue life of a leaf spring of a vehicle is provided to improve the complicated preparation of a sample to test and reduce time and cost required for the test of durability. CONSTITUTION: A method for estimating a fatigue life of a leaf spring of a vehicle includes the steps of manufacturing a leaf spring to test with a finite element model(30), computing a dynamic load with relation to the manufactured leaf spring(40), analyzing the finite element model with relation to the manufactured leaf spring and computing a stress of a unit loading table(50), computing a dynamic stress of the leaf spring with relation to the computed dynamic load and the unit displacement(60), and estimating a fatigue life of the damage due to the computed dynamic stress by a miner's rule(70).
Abstract translation: 目的：提供一种用于估计车辆的板簧的疲劳寿命的方法，以改进样品的复杂制备以测试并减少耐久性测试所需的时间和成本。 构成：用于估计车辆的板簧的疲劳寿命的方法包括以下步骤：制造板簧以用有限元模型（30）进行测试，计算与制造的板簧（40）相关的动态载荷， 分析与制造的板簧相关的有限元模型，并计算单元载荷台（50）的应力，计算板簧相对于计算的动载荷和单位位移的动应力（60），估计 由矿工规则计算的动态应力引起的损伤的疲劳寿命（70）。
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