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400 条记录 (耗时 0.014 秒)

    Passive roll stabilizers
    61.
    发明授权
    Passive roll stabilizers 失效
    被动滚子稳定器

    公开(公告)号：US3583353A

    公开(公告)日：1971-06-08

    申请号：US3583353D

    申请日：1969-02-26

    申请人： NAT RES DEV

    发明人： JACOB RICHARD JAMES

    IPC分类号： B63B39/03 ,  B63B43/06

    CPC分类号： B63B39/03

    摘要： The invention includes a passive roll stabilizer for floating bodies having a tendency to roll about a roll axis of the body, the stabilizer comprising an elongated tank lying across the roll axis of the body, internal end surfaces of the tank bounding volumes at either end of the tank for containing stabilizing fluid, restriction means arranged in the tank to control movement of fluid lengthwise of the tank between said volumes, at least one surface of said restriction means sloping transversly of the tank, and at least one other surface of the stabilizer extending lengthwise of the tank and cooperating with said sloping surface to define an upwardly widening flow passage in a central length of the tank, the restriction means and said volumes at the ends of the tank being substantially symmetrically arranged about a vertical plane containing the roll axis of the body when the stabilizer is in the static (horizontal) condition.