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    • 6. 发明授权
    • Gas turbine blade
    • 燃气轮机叶片
    • US06257830B1
    • 2001-07-10
    • US09230983
    • 1999-06-02
    • Masaaki MatsuuraKiyoshi SuenagaSunao AokiKazuo UematsuHiroki FukunoYasuoki Tomita
    • Masaaki MatsuuraKiyoshi SuenagaSunao AokiKazuo UematsuHiroki FukunoYasuoki Tomita
    • F01D518
    • F01D5/147F01D5/187F05D2260/2322
    • In a steam cooling system proposed heretofore, high-pressure steam is supplied into an internal space of a blade for effecting cooling thereof with the high-pressure steam to thereby recover heat energy. This system however suffers from problems concerning the strength of the blade and the like. The present invention solves these problems and provides a gas-turbine blade which does not suffer from problems concerning the strength thereof nor problems concerning the flow of high-pressure steam. To this end, a coolant flow passage is formed within the blade extending in the longitudinal direction of the blade, and reinforcing ribs which interconnects a dorsal wall and a ventral wall of the blade is disposed within the coolant flow passage so as to extend in the flow direction of the coolant. Hence, the strength of the blade can be ensured without any obstacle to the flow of the coolant.
    • 在迄今为止提出的蒸汽冷却系统中,将高压蒸汽供应到叶片的内部空间中,以利用高压蒸汽冷却,从而回收热能。 然而,该系统存在关于叶片等的强度的问题。 本发明解决了这些问题,提供了一种不存在与强度相关的问题的燃气轮机叶片,也不会涉及高压蒸汽的流动问题。 为此,在刀片的纵向延伸的叶片内形成冷却剂流动通道,并且将与叶片的背壁和腹壁相互连接的加强筋设置在冷却剂流动通道内,以便在 冷却液的流动方向。 因此,可以确保叶片的强度,而不会妨碍冷却剂的流动。
    • 10. 发明授权
    • Valve actuating mechanism having stopping function for internal
combustion engines
    • 具有内燃机停机功能的阀门致动机构
    • US4537165A
    • 1985-08-27
    • US591145
    • 1984-03-19
    • Shoichi HondaYoshikatsu NakanoMakoto HiranoMasaaki Matsuura
    • Shoichi HondaYoshikatsu NakanoMakoto HiranoMasaaki Matsuura
    • F01L1/26F01L13/00F01L1/34
    • F01L1/267F01L13/0005
    • Herein disclosed is a valve actuating mechanism having a stopping function for use in an internal combustion engine of the type, in which at least one pair of intake or exhaust valves having an identical function and disposed adjacent to each other are arranged for one cylinder. First and second rocker arms respectively having arms abutting against the upper ends of the paired intake or exhaust valves are rockingly supported on a common support shaft which is fixed on the engine body while having an axis perpendicular to the operating directions of the valves. The first rocker arm is formed with a cylinder bore which is opened toward the second rocker arm to bear a plunger therein whereas the second rocker arm is formed with a guide bore which is opened toward the first rocker arm to fit the plunger therein. A hydraulic actuation chamber defined between the bottom portion of the cylinder bore and the rear end of the plunger is connected with an oil-pressure source through a hydraulic change-over valve for changing the supply and stop of the oil pressure to the actuation chamber. Either of the first or second rocker arm is formed with a cam slipper for sliding contact with a cam which is adapted to rotate in accordance with the run of the engine.
    • 这里公开了一种具有用于这种类型的内燃机的停止功能的阀致动机构,其中具有相同功能并彼此相邻设置的至少一对进气门或排气门被布置用于一个气缸。 分别具有抵靠成对的进气门或排气门的上端的臂的第一和第二摇臂被摇摆地支撑在固定在发动机本体上的公共支撑轴上,同时具有垂直于阀的操作方向的轴线。 第一摇臂形成有朝向第二摇臂打开的气缸孔,以在其中承载柱塞,而第二摇臂形成有朝向第一摇臂打开以将柱塞装配到其中的导向孔。 限定在气缸孔的底部和柱塞的后端之间的液压致动室通过液压转换阀与油压源连接,用于改变向致动室供油和停止油压。 第一或第二摇臂中的任一个形成有用于与适于根据发动机的行程旋转的凸轮滑动接触的凸轮拖鞋。