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    • 12. 发明申请
    • VALVE TRAIN DEVICE FOR AN ENGINE
    • 用于发动机的阀门火车装置
    • US20050229882A1
    • 2005-10-20
    • US10990619
    • 2004-11-17
    • Hideo FujitaKoichi Hatamura
    • Hideo FujitaKoichi Hatamura
    • F01L1/14F01L1/18F01L1/26F01L13/00F01L1/34F01L1/00
    • F01L1/18F01L1/143F01L1/267F01L13/0021F01L13/0026F01L13/0063F01L2013/0068F01L2105/00
    • A valve train device for an engine is adapted to pivot a rocker arm supported on a rocker arm support shaft to drive a valve which opens and closes a valve opening formed in a combustion chamber. The device comprises a valve drive device and a swing member pivotally supported on a swing member support shaft and driven to pivot about the swing member support shaft by the valve drive device. An intermediate rocker member is pivotally supported on the rocker arm support shaft. The intermediate rocker member is provided between a swing cam surface formed on the swing member and a rocker face formed on the rocker arm, for transmitting the movement of the swing cam surface generated by the valve drive device to the rocker face. An intermediate rocker moving mechanism is configured to rotate the rocker arm support shaft and thereby move a first contact point between the intermediate rocker member and the swing cam surface and a second contact point between the intermediate rocker member and the rocker face to continuously vary at least one of the valve opening duration and the amount of valve lift.
    • 用于发动机的气门机构适于枢转支撑在摇臂支撑轴上的摇臂,以驱动打开和关闭形成在燃烧室中的阀开口的阀。 该装置包括阀驱动装置和摆动构件,摆动构件枢转地支撑在摆动构件支撑轴上并被驱动以通过阀驱动装置围绕摆动构件支撑轴枢转。 中间摇摆构件枢转地支撑在摇臂支撑轴上。 中间摇摆构件设置在形成在摆动构件上的摆动凸轮表面和形成在摇臂上的摇杆面之间,用于将由阀驱动装置产生的摆动凸轮表面的运动传递到摇杆面。 中间摇杆移动机构构造成使摇臂支撑轴旋转,从而移动中间摇摆构件和摆动凸轮表面之间的第一接触点,并且中间摇杆构件和摇杆面之间的第二接触点至少连续变化 阀门打开持续时间和阀门升程量之一。
    • 16. 发明申请
    • VARIABLE VALVE DRIVE SYSTEM FOR ENGINE
    • 用于发动机的可变阀驱动系统
    • US20080173266A1
    • 2008-07-24
    • US11961814
    • 2007-12-20
    • Hideo FujitaKoichi Hatamura
    • Hideo FujitaKoichi Hatamura
    • F01L1/34
    • F01L13/0026F01L13/0063
    • A valve drive device for an engine include a valve for opening or closing an opening of a port to a combustion chamber, a valve drive member for opening or closing the valve and a drive shaft for driving the valve drive member. The device also includes a variable valve timing mechanism for continuously changing a working angle of the valve corresponding to an operation state of the engine by changing a state of drive force transmission from the drive shaft to the valve drive member. A variable valve clearance mechanism is configured such that a valve clearance that is defined as a gap between the valve and the valve drive member can be set at a first value during a first condition in which the working angle of the valve is large to a second different value during a second condition in which the working angle of the valve is small.
    • 用于发动机的阀驱动装置包括用于打开或关闭到燃烧室的端口的开口的阀,用于打开或关闭阀的阀驱动构件以及用于驱动阀驱动构件的驱动轴。 该装置还包括可变气门正时机构,用于通过改变从驱动轴向阀驱动构件的驱动力传递的状态来连续地改变与发动机的操作状态相对应的阀的工作角度。 可变阀间隙机构被构造成使得在阀和阀驱动构件之间的间隙被限定的阀间隙可以在阀的工作角大到第二个的第一状态期间被设定为第一值 在阀的工作角度小的第二状态下的不同值。