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    • 1. 发明申请
    • Variable Valve Operating Apparatus
    • 变阀操作装置
    • US20100059006A1
    • 2010-03-11
    • US11988502
    • 2006-09-22
    • Toshiyuki Maehara
    • Toshiyuki Maehara
    • F01L1/34
    • F01L13/0021F01L1/053F01L1/185F01L1/2405F01L1/267
    • The present invention relates to a variable valve operating apparatus having a switching mechanism for switching between a dual valve variable control mode and a single valve variable control mode, and enhances the durability of the switching mechanism.In an idle state prevailing before a vehicle starts moving, the operating state of an internal combustion engine is in a single valve small lift region (point A). In this instance, the single valve variable control mode prevails. After the vehicle starts moving, the operating state changes from point A through point B to point C and switches to a dual valve great lift region. Subsequently, when an accelerator pedal is released with a clutch disengaged for upshifting, the operating state reverts to point A in the single valve small lift region. In the above situation, as the operating state remains in the dual valve great lift region for a short period of time, a switch to the dual valve variable control mode does not constitute a considerable advantage. Therefore, the switch to the dual valve variable control mode is prohibited when the operating state changes from point B to point C.
    • 本发明涉及一种具有切换机构的可变气门操作装置,用于在双阀可变控制模式和单阀可变控制模式之间切换,并提高切换机构的耐久性。 在车辆开始移动之前的空闲状态下,内燃机的运行状态为单个阀小升程区域(A点)。 在这种情况下,以单阀可变控制模式为准。 车辆开始移动后,运行状态从A点到B点变化到C点,并切换到双阀门大升程区域。 随后,当用离合器分离用于升档的情况下释放加速器踏板时,在单个阀小提升区域中的操作状态恢复到点A. 在上述情况下,随着操作状态在短时间内保持在双阀大升程区域中,切换到双阀可变控制模式不构成相当大的优点。 因此,当运行状态从点B变为点C时,禁止切换到双阀可变控制模式。
    • 4. 发明授权
    • Variable valve device
    • 可变阀装置
    • US09581052B2
    • 2017-02-28
    • US14654878
    • 2012-12-25
    • Toshiyuki Maehara
    • Toshiyuki Maehara
    • F01L1/34F01L1/344F01L13/00F01L1/08F01L1/356F01L1/047
    • F01L1/344F01L1/047F01L1/08F01L1/34413F01L1/356F01L13/0026F01L2001/0471F01L2001/0473
    • A variable valve device includes: a drive shaft member rotating synchronously with a crankshaft provided in an internal combustion engine; a cam shaft member including a cam lobe and rotatably provided about the drive shaft member; a drive arm portion provided in the drive shaft member and rotating together with the drive shaft member; a control sleeve provided with an eccentric hole into which the drive shaft member is inserted, and arranged to vary a position of a central axis of the eccentric hole; and a first rotary member including a first member connected to the drive arm portion and a second member connected to the cam shaft member, and rotating along an inner circumferential wall surface of the eccentric hole.
    • 可变阀装置包括:与设置在内燃机中的曲轴同步旋转的驱动轴构件; 凸轮轴构件,其包括凸轮凸角并围绕所述驱动轴构件可旋转地设置; 驱动臂部,其设置在所述驱动轴构件中并与所述驱动轴构件一起旋转; 设置有驱动轴构件插入其中的偏心孔的控制套筒,并且布置成改变偏心孔的中心轴线的位置; 以及第一旋转构件,其包括连接到所述驱动臂部的第一构件和与所述凸轮轴构件连接的第二构件,并且沿所述偏心孔的内周壁面旋转。