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    • 4. 发明公开
    • 자동차 엔진의 가변 밸브 리프트 장치
    • 用于车辆的发动机可变阀门提升装置
    • KR1020090056606A
    • 2009-06-03
    • KR1020070123833
    • 2007-11-30
    • 현대자동차주식회사
    • 임정혁
    • F01L13/00F01L1/08F01L1/25
    • F01L1/18F01L1/053F01L1/08F01L13/0005F01L2105/00Y02T10/18
    • A variable valve lift apparatus of an engine for vehicles is provided to operate a CDA by equipping an adjusting unit capable of adjusting a lift by a left and right moving distance of a conical roller in a swing arm between a cam and a valve, and thus controlling each of cylinder individually. A variable valve lift apparatus of an engine for vehicles comprises a lift adjusting unit(8) controlling the drive height of a swing arm(6) depending on the rotation range of an engine. The lift adjusting unit consists of a pair of conical rollers(26,28) placed on the supportive shaft of the swing arm, rotating around and sliding along it; a central stopper limiting the closing distance of the conical rollers between them; a pair of expansion limiting stoppers restricting the separation distance of the conical rollers; a low speed hydraulic chamber separating the conical rollers with hydraulic pressure of the hydraulic pressure control device; and a high speed hydraulic chamber closely approaching the conical rollers from each other with hydraulic pressure from the hydraulic pressure control device.
    • 提供一种用于车辆的发动机的可变气门提升装置,用于通过装备能够通过在凸轮和阀之间的摆臂中的圆锥滚子的左右移动距离来调节升力的调节单元来操作CDA,因此 单独控制每个气缸。 用于车辆的发动机的可变气门提升装置包括根据发动机的旋转范围来控制摆臂(6)的驱动高度的升降调节单元(8)。 提升调节单元由放置在摆臂的支撑轴上的一对圆锥滚子(26,28)组成,围绕并沿其滑动; 限制圆锥滚子在它们之间的关闭距离的中心塞子; 限制圆锥滚子分离距离的一对扩张限制挡块; 低速液压室,用液压控制装置的液压压力分离圆锥滚子; 以及由液压控制装置的液压彼此紧密接近的圆锥滚子的高速液压室。
    • 6. 发明授权
    • 자동차 엔진의 가변 밸브 리프트 장치
    • 用于车辆的发动机可变阀门提升装置
    • KR101294041B1
    • 2013-08-08
    • KR1020070123833
    • 2007-11-30
    • 현대자동차주식회사
    • 임정혁
    • F01L13/00F01L1/08F01L1/25
    • 기통별 제어가 가능하여 CDA(기통 휴지) 작동이 가능하며, 스윙 아암에 캠과 접촉되는 원추형 롤러를 유압으로 제어함으로써, 작동시 소음 및 진동이 발생되지 않으며, 고 RPM 회전시 저항이 적어 응답성이 크게 향상될 수 있는 자동차 엔진의 가변 밸브 리프트 장치를 제공할 목적으로;
      크랭크 샤프트의 회전에 의하여 캠축의 회전하면서 캠을 회전시키면, 엔진의 회전 영역에 따라 상기 스윙 아암에 형성되어 있는 리프트 조절기구의 한쌍의 원추형 롤러가 좌, 이동하면서 캠과 접촉되어 밸브의 리프트를 조절할 수 있도록 한 자동차 엔진의 가변 밸브 리프트 장치를 제공한다.
      스윙 아암. 원추형 롤러
    • 提供一种用于车辆的发动机的可变气门提升装置,用于通过装备能够通过在凸轮和阀之间的摆臂中的圆锥滚子的左右移动距离来调节升力的调节单元来操作CDA,因此 单独控制每个气缸。 用于车辆的发动机的可变气门提升装置包括根据发动机的旋转范围来控制摆臂(6)的驱动高度的升降调节单元(8)。 提升调节单元由放置在摆臂的支撑轴上的一对圆锥滚子(26,28)组成,围绕并沿其滑动; 限制圆锥滚子在它们之间的关闭距离的中心塞子; 限制圆锥滚子分离距离的一对扩张限制挡块; 低速液压室,用液压控制装置的液压压力分离圆锥滚子; 以及由液压控制装置的液压彼此紧密接近的圆锥滚子的高速液压室。
    • 7. 发明授权
    • 폴리프로필렌 수지 조성물
    • 聚丙烯树脂组合物
    • KR101439152B1
    • 2014-09-11
    • KR1020130050404
    • 2013-05-06
    • 현대자동차주식회사기아자동차주식회사
    • 윤지용임정혁
    • C08L23/12C08K7/14C08L23/26C08L77/02
    • C08L23/12C08K7/14C08L23/16C08L51/06C08L77/02C08L2205/03C08L2205/035
    • The present invention relates to a polypropylene resin composition, based on the total weight of the overall composition, comprising: 1-30 wt% of homo polypropylene having a melt index of 2-6 g/10 min (230°C, 2.16 kg) and an isotacticity index of 97% or greater; 1-40 wt% of homo polypropylene having a melt index of 16-22 g/10 min (230°C, 2.16 kg) and an isotacticity index of 96% or greater; 20-40 wt% of a glass fiber having an excellent stiffness reinforcing effect as an inorganic filler for improving heat resistance and mechanical properties; and 1-10 wt% of denatured polypropylene included as a compatibilizing agent for maximizing the compatibility of the polypropylene resin and glass fiber. Accordingly, the polypropylene resin composition has excellent stiffness, short-term heat resistance, long-term heat resistance, and welding strength, and the weight thereof can be decreased. Moreover, production costs can be reduced.
    • 本发明涉及聚丙烯树脂组合物,基于整个组合物的总重量,包括:1-30wt%的熔体指数为2-6g / 10min的同质聚丙烯(230℃,2.16kg) 和全同立构指数为97%以上; 1-40重量%熔体指数为16-22克/ 10分钟(230℃,2.16千克)和全同立构指数为96%以上的均聚丙烯; 20-40重量%的具有优异的刚性增强效果的玻璃纤维作为用于改善耐热性和机械性能的无机填料; 和1-10重量%的变性聚丙烯作为增容聚丙烯树脂和玻璃纤维的相容性的相容剂。 因此,聚丙烯树脂组合物具有优异的刚度,短期耐热性,长期耐热性和焊接强度,并且其重量可以降低。 此外,生产成本可以降低。