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    • 6. 发明授权
    • Phase controller and cam shaft phase controller for internal combustion engine
    • 内燃机相位控制器和凸轮轴相位控制器
    • US07424875B2
    • 2008-09-16
    • US11654523
    • 2007-01-18
    • Isao HayaseAtsushi WatanabeSeiji SugaMasahiko WatanabeYoshinori IchinosawaTakanori Sawada
    • Isao HayaseAtsushi WatanabeSeiji SugaMasahiko WatanabeYoshinori IchinosawaTakanori Sawada
    • F01L1/34
    • F01L1/3442F01L1/024F01L1/34409F01L2001/34453F01L2001/34463F01L2001/34483F01L2001/34496F01L2800/03
    • A parallel guide portion as an integral structure of a sprocket and a vane, as well as a slant guide portion, are arranged alternately on the same circumference, with circumferential gaps being formed between said guide portion and the parallel guide portion, said guide portion having a shape such that the circumferential gaps become smaller in one axial direction of a cam shaft. Wedge members are disposed in the circumferential gaps respectively and are moved in one axial direction to fill up the circumferential gaps, thereby fixing the phase between the sprocket and the vane into a locked state. The wedge angle of each wedge member is set sufficiently small and, by utilizing varying torques acting on the cam shaft, said members are each moved and locked in one axial direction with a spring. Said members are actuated in an opposite axial direction with oil pressure to release the locked state, thereby permitting a phase angle control. By utilizing a varying torque acting on the cam shaft, the phase of the cam shaft is returned for itself to an intermediate position and is locked without looseness.
    • 作为链轮和叶片的整体结构的平行导向部以及倾斜导向部交替地配置在同一圆周上,在所述引导部和平行导向部之间形成有周向间隙,所述引导部具有 使得周向间隙在凸轮轴的一个轴向上变小的形状。 楔形构件分别设置在周向间隙中并且在一个轴向方向上移动以填充周向间隙,从而将链轮和叶片之间的相位固定为锁定状态。 每个楔形构件的楔角被设定得足够小,并且通过利用作用在凸轮轴上的变化的扭矩,所述构件在弹簧上沿一个轴向方向移动和锁定。 所述构件在与油压相反的轴向方向上致动以释放锁定状态,从而允许相位角控制。 通过利用作用在凸轮轴上的变化的扭矩,凸轮轴的相位自身返回到中间位置,并且在没有松动的情况下被锁定。
    • 7. 发明申请
    • Phase controller and cam shaft phase controller for internal combustion engine
    • 内燃机相位控制器和凸轮轴相位控制器
    • US20070169732A1
    • 2007-07-26
    • US11654523
    • 2007-01-18
    • Isao HayaseAtsushi WatanabeSeiji SugaMasahiko WatanabeYoshinori IchinosawaTakanori Sawada
    • Isao HayaseAtsushi WatanabeSeiji SugaMasahiko WatanabeYoshinori IchinosawaTakanori Sawada
    • F01L1/34
    • F01L1/3442F01L1/024F01L1/34409F01L2001/34453F01L2001/34463F01L2001/34483F01L2001/34496F01L2800/03
    • A parallel guide portion as an integral structure of a sprocket and a vane, as well as a slant guide portion, are arranged alternately on the same circumference, with circumferential gaps being formed between said guide portion and the parallel guide portion, said guide portion having a shape such that the circumferential gaps become smaller in one axial direction of a cam shaft. Wedge members are disposed in the circumferential gaps respectively and are moved in one axial direction to fill up the circumferential gaps, thereby fixing the phase between the sprocket and the vane into a locked state. The wedge angle of each wedge member is set sufficiently small and, by utilizing varying torques acting on the cam shaft, said members are each moved and locked in one axial direction with a spring. Said members are actuated in an opposite axial direction with oil pressure to release the locked state, thereby permitting a phase angle control. By utilizing a varying torque acting on the cam shaft, the phase of the cam shaft is returned for itself to an intermediate position and is locked without looseness.
    • 作为链轮和叶片的整体结构的平行导向部以及倾斜导向部交替地配置在同一圆周上,在所述引导部和平行导向部之间形成有周向间隙,所述引导部具有 使得周向间隙在凸轮轴的一个轴向上变小的形状。 楔形构件分别设置在周向间隙中并且在一个轴向方向上移动以填充周向间隙,从而将链轮和叶片之间的相位固定为锁定状态。 每个楔形构件的楔角被设定得足够小,并且通过利用作用在凸轮轴上的变化的扭矩,所述构件在弹簧上沿一个轴向方向移动和锁定。 所述构件在与油压相反的轴向方向上致动以释放锁定状态,从而允许相位角控制。 通过利用作用在凸轮轴上的变化的扭矩,凸轮轴的相位自身返回到中间位置,并且在没有松动的情况下被锁定。