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    • 21. 发明授权
    • Variable valve system for internal combustion engine
    • 内燃机可变阀门系统
    • US07757645B2
    • 2010-07-20
    • US11987329
    • 2007-11-29
    • Seinosuke HaraMakoto Nakamura
    • Seinosuke HaraMakoto Nakamura
    • F01L1/34
    • F01L13/0026F01L1/022F01L1/08F01L1/267F01L3/06F01L2009/0421F01L2013/0073F02D13/0223Y02T10/146Y02T10/18Y10T74/2107
    • A variable valve system for an internal combustion engine includes a drive shaft rotated by an engine crankshaft, a drive cam integrally mounted on the drive shaft, first and second swing cams mounted on first and second engine valves in each engine cylinder, a valve lift mechanism for converting a rotational movement of the drive cam into swing movements of the first and second swing cams to open and close the first and second engine valves, and a control mechanism for controlling the operating position of the valve lift mechanism to vary the valve lifts of the first and second engine valves according to engine operating conditions. The valve lifts of the first and second engine valves are different from each other when the control mechanism performs minimum lift control on the valve lift mechanism to control the valve lifts of the first and second engine valves to minimum lifts.
    • 用于内燃机的可变阀系统包括由发动机曲轴旋转的驱动轴,一体地安装在驱动轴上的驱动凸轮,安装在每个发动机气缸中的第一和第二发动机气门上的第一和第二摆动凸轮,气门升程机构 用于将所述驱动凸轮的旋转运动转换成所述第一和第二摆动凸轮的摆动运动以打开和关闭所述第一和第二发动机气门;以及控制机构,用于控制所述气门升程机构的操作位置, 第一和第二发动机气门根据发动机的运行条件。 当控制机构对气门升程机构执行最小升程控制以将第一和第二发动机气门的升程控制到最小升程时,第一和第二发动机气门的气门升程彼此不同。
    • 24. 发明申请
    • VARIABLE VALVE ACTUATING APPARATUS
    • 可变阀门执行装置
    • US20090235885A1
    • 2009-09-24
    • US12399243
    • 2009-03-06
    • Seinosuke HaraMakoto Nakamura
    • Seinosuke HaraMakoto Nakamura
    • F01L1/34
    • F01L13/0063F01L1/12F01L1/185F01L1/2405F01L2013/0073F01L2105/00F01L2820/032F02D13/023F02D13/0261F02M26/69
    • A variable valve actuating apparatus for an internal combustion engine includes a drive cam, a control shaft, a control cam, a rocker arm, and a swing cam. The drive cam is rotated by the internal combustion engine. The control shaft is supported for rotation about a rotation axis. The control cam is coupled to the control shaft, and is eccentric with respect to the rotation axis of the control shaft. The rocker arm is linked with the drive cam, and arranged to swing about the control cam in response to rotary motion of the drive cam. The rocker arm includes a recess slidably engaged with an outer radial periphery of the control cam. The swing cam is linked with the rocker arm, and arranged to swing in response to swinging motion of the rocker arm for opening and closing an engine valve of the internal combustion engine.
    • 用于内燃机的可变气门致动装置包括驱动凸轮,控制轴,控制凸轮,摇臂和摆动凸轮。 驱动凸轮由内燃机旋转。 控制轴被支撑以围绕旋转轴线旋转。 控制凸轮联接到控制轴,并且相对于控制轴的旋转轴线是偏心的。 摇臂与驱动凸轮连接,并且被布置为响应于驱动凸轮的旋转运动围绕控制凸轮摆动。 摇臂包括与控制凸轮的外径向周边可滑动地接合的凹部。 摆动凸轮与摇臂连接,并且响应于摇臂的摆动运动而布置成摆动以打开和关闭内燃机的发动机气门。
    • 25. 发明授权
    • Power generating device
    • 发电装置
    • US07589430B2
    • 2009-09-15
    • US12013165
    • 2008-01-11
    • Hajime NakamuraShoji YoshimuraMakoto Nakamura
    • Hajime NakamuraShoji YoshimuraMakoto Nakamura
    • F02D9/04
    • F01K13/02
    • A power generating device according to the present invention has a positive displacement steam expander for converting expansion of steam into a rotational force, a power generator connected to a rotational axis of the positive displacement steam expander, an inverter for setting an operational frequency of the power generator, a power detector for detecting generated electric power of the power generator, and control means for changing set frequency of the inverter in accordance with a deviation of the generated electric power detected by the power detector from a target value. According to such a configuration, it is possible to sustain high output of the power generator irrespective of a differential pressure between primary side steam and secondary side steam.
    • 根据本发明的发电装置具有用于将蒸汽膨胀转化成旋转力的正排量蒸汽膨胀器,连接到正排量蒸汽膨胀器的旋转轴的发电机,用于设定功率的工作频率的逆变器 发电机,用于检测发电机的发电电力的功率检测器,以及用于根据由功率检测器检测的发电电力与目标值的偏差来改变逆变器的设定频率的控制装置。 根据这样的结构,不管初级侧蒸汽和二次侧蒸汽之间的压差如何,都能够维持发电装置的高输出。