HYDRAULIC ACTUATOR FOR A COMPRESSED AIR ENERGY STORAGE SYSTEM
    1.
    发明申请
    HYDRAULIC ACTUATOR FOR A COMPRESSED AIR ENERGY STORAGE SYSTEM 审中-公开
    压缩空气能量储存系统的液压执行器

    公开(公告)号:WO2014144057A3

    公开(公告)日:2014-12-24

    申请号:PCT/US2014028306

    申请日:2014-03-14

    Abstract: A hydraulic actuator (200) adapted to be coupled to one or more pistons of a compressed air energy storage (CAES) system includes a housing (205) forming a plurality of aligned bores (220a-220c), with a shaft (250) disposed therein for reciprocating movement. For a three bore configuration, the shaft has three pistons (250 230a-230c) subdividing the three bores into six pressure chambers (260a-260f). Four valves (270a-270d) fluidically connected to the six chambers selectively provide pressurized hydraulic fluid, permitting three levels of hydraulic shaft force for each direction of shaft motion.

    Abstract translation: 适于联接到压缩空气能量存储(CAES)系统的一个或多个活塞的液压致动器(200)包括形成多个对准的孔(220a-220c)的壳体(205),其中设置有轴(250) 其中往复运动。 对于三孔结构,轴具有三个活塞(250 230a-230c),将三个孔分成六个压力室(260a-260f)。 流体连接到六个腔室的四个阀(270a-270d)选择性地提供加压液压流体,允许轴运动的每个方向的三个液压轴力。

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