发明名称 AUTOMATIC REVERSING-REPOSITION ROCKER ARM
摘要 An automatic reversing-reposition rocker arm includes a rocker arm body, and the rocker arm body is a steel box beam. A rocker arm pivoting shaft is attached on a middle of the body. The rocker arm body has a ballast tank, a water inlet, and a water outlet. The ballast tank is located in a back end of the rocker arm body. The water inlet is located in an upper edge of the ballast tank. The water outlet is located in a lower edge of the ballast tank. A left side and a right side of a lengthwise forth end of the rocker arm pivoting shaft match each other, and a plurality of connecting devices are attached on the forth end of the rocker arm body. A plurality of gas-liquid buffers connects with the rocker arm body via the connecting devices.
申请公布号 US2011094434(A1) 申请公布日期 2011.04.28
申请号 US20090605356 申请日期 2009.10.25
申请人 CHINA NATIONAL OFFSHORE OIL CORP;CHINA OFFSHORE OIL ENGINEERING CO.,LTD 发明人 FAN ZHI XIA;YUAN RU HUA;XU HUI;GENG TAO;LI HUAI LIANG;LI YONG LI;SHEN QING REN
分类号 B63B17/00 主分类号 B63B17/00
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