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    • 2. 发明授权
    • Variable valve lift internal combustion engine
    • 可变气门升程内燃机
    • US07669564B2
    • 2010-03-02
    • US11902406
    • 2007-09-21
    • Hirokazu TochikiMitsuru SugimotoKiminori KomuraFumihisa Takemoto
    • Hirokazu TochikiMitsuru SugimotoKiminori KomuraFumihisa Takemoto
    • F01L1/34
    • F01L13/0063F01L2001/0476F01L2105/00Y10T74/2107
    • Provided is a variable valve lift internal combustion engine including a control shaft pivotally supported by a cylinder head via a pivot arm pivotally supported by the cylinder head so as to able to move angularly around a rotational center line extending in parallel with an axial line of the control shaft, a power transmitting member supported by the control shaft, an actuator for causing an angular movement of the control shaft around the rotational center line via the power transmitting member and a control arm having a base end pivotally supported by the control shaft and a free end interposed between a cam lobe of an engine camshaft and a part of a rocker arm. The lift of the engine valve can be varied by angularly moving the control shaft around the rotational center line and moving the base end of the control arm.
    • 提供一种可变气门升程内燃机,其包括控制轴,所述控制轴通过由所述气缸盖枢转地支撑的枢转臂枢转地支撑在气缸盖上,以便能够围绕与所述气缸盖的轴线平行延伸的旋转中心线成角度地移动 控制轴,由控制轴支撑的动力传递部件,用于经由动力传递部件使控制轴绕旋转中心线的角度运动的致动器,以及具有由控制轴可枢转地支撑的基端的控制臂, 自由端置于发动机凸轮轴的凸轮凸缘和摇臂的一部分之间。 发动机气门的升程可以通过围绕旋转中心线的角度地移动控制轴并且移动控制臂的基端来改变。
    • 9. 发明申请
    • Variable valve lift internal combustion engine
    • 可变气门升程内燃机
    • US20080072854A1
    • 2008-03-27
    • US11902406
    • 2007-09-21
    • Hirokazu TochikiMitsuru SugimotoKiminori KomuraFumihisa Takemoto
    • Hirokazu TochikiMitsuru SugimotoKiminori KomuraFumihisa Takemoto
    • F01L1/047
    • F01L13/0063F01L2001/0476F01L2105/00Y10T74/2107
    • Provided is a variable valve lift internal combustion engine including a control shaft pivotally supported by a cylinder head via a pivot arm pivotally supported by the cylinder head so as to able to move angularly around a rotational center line extending in parallel with an axial line of the control shaft, a power transmitting member supported by the control shaft, an actuator for causing an angular movement of the control shaft around the rotational center line via the power transmitting member and a control arm having a base end pivotally supported by the control shaft and a free end interposed between a cam lobe of an engine camshaft and a part of a rocker arm. The lift of the engine valve can be varied by angularly moving the control shaft around the rotational center line and moving the base end of the control arm.
    • 提供一种可变气门升程内燃机,其包括控制轴,所述控制轴通过由所述气缸盖枢转地支撑的枢转臂枢转地支撑在气缸盖上,以便能够围绕与所述气缸盖的轴线平行延伸的旋转中心线成角度地移动 控制轴,由控制轴支撑的动力传递部件,用于经由动力传递部件使控制轴绕旋转中心线的角度运动的致动器,以及具有由控制轴可枢转地支撑的基端的控制臂, 自由端置于发动机凸轮轴的凸轮凸缘和摇臂的一部分之间。 发动机气门的升程可以通过围绕旋转中心线的角度地移动控制轴并且移动控制臂的基端来改变。
    • 10. 发明申请
    • VARIABLE VALVE OPENING PROPERTY INTERNAL COMBUSTION ENGINE
    • 可变阀门开启物业内燃机
    • US20090090323A1
    • 2009-04-09
    • US12203563
    • 2008-09-03
    • Fumihisa TAKEMOTOMitsuru SugimotoKiminori KomuraTakeo KobayashiHirokazu Tochiki
    • Fumihisa TAKEMOTOMitsuru SugimotoKiminori KomuraTakeo KobayashiHirokazu Tochiki
    • F01L1/34
    • F01L13/0021
    • In a variable valve opening property internal combustion engine, a control shaft (20) is supported by a control link (21) which is in turn is pivotally supported by a cylinder head (1), and a roller link (22) is pivotally supported by the control shaft. The roller link is provided with a cam roller (31) that engages a cam (3) of a camshaft (4) and a roller shaft (32) that engages a slipper surface (33) of a rocker arm (6). The arcuate movement of the cam roller centered around the control shaft varies the swing of the rocker arm and hence the valve lift in dependence on the position of the control shaft. A compression coil spring (41) is interposed between a part of the cylinder head and a side of the cam roller facing away from the cam. The coil spring is oriented such that a direction of a spring force (Fspg) substantially coincides with a direction of a guided movement of the cam roller, preferably in a low valve lift condition.
    • 在可变开阀特性内燃机中,控制轴(20)由控制连杆(21)支撑,控制连杆(21)又由气缸盖(1)可枢转地支撑,并且滚动连杆(22)枢转地支撑 由控制轴。 滚子连杆设置有与凸轮轴(4)的凸轮(3)接合的凸轮滚子(31)和与摇臂(6)的拖鞋表面(33)接合的滚子轴(32)。 以控制轴为中心的凸轮的圆弧运动根据控制轴的位置改变摇臂的摆动,从而改变气门升程。 压缩螺旋弹簧(41)插入在气缸盖的一部分和凸轮辊背离凸轮的一侧之间。 螺旋弹簧被定向成使得弹簧力(Fspg)的方向基本上与凸轮辊的引导运动的方向重合,优选地在低气门升程条件下。