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    Method for opening, closing and rotating rigid marine sails
    1.
    发明公开
    Method for opening, closing and rotating rigid marine sails 失效
    开口的方法，关闭和旋转固体的帆船。

    公开(公告)号：EP0044724A1

    公开(公告)日：1982-01-27

    申请号：EP81303288.5

    申请日：1981-07-16

    申请人： NIPPON KOKAN KABUSHIKI KAISHA ,  JAPAN MARINE MACHINERY DEVELOPMENT ASSOCIATION

    发明人： Senoo, Akira ,  Nezu, Yuzo ,  Ito, Masanori ,  Nagano, Hironobu ,  Arie, Tatsuo

    IPC分类号： B63B49/00 ,  B63H9/06 ,  G01P13/02

    CPC分类号： B63B49/00 ,  B63H9/0607

    摘要： A rigid marine sail comprises sail portions (6B) pivotably movable between an open and a closed position about an axis forward of a rotatable mast (1). Signals representative of the wind velocity at predetermined time intervals and signals representative of the wind direction at said intervals are each smoothed (16) and, on the basis of the smoothed signals, a determination is made whether the sail portions are to be open or closed, and the sail is operated accordingly (11,17,18,19). An optimum sail angle is determined for maximum propulsive effect when open and minimum said wind resistance when closed, and the mast and sail is rotated (5,20,21,22) as a whole in accordance with the optimum angle. This permits automatic and effective utilization of the wind force when of a suitable velocity in a suitable direction.

    摘要翻译： 刚性海洋帆包括帆部分（6B）的开放和大约到可旋转的基座桅杆（1）的轴线向前关闭位置之间可枢转地可移动的。 信号代表的风速在预定的时间间隔和有代表性的，在所述间隔的风向的信号分别平滑化（16），并且在平滑信号的基础上，判定是否帆部分要被打开或关闭 ，和帆相应（11,17,18,19）操作。 最佳帆角度确定性开采最大推进作用时打开和最小风阻说，当关闭时，与桅杆和风帆旋转（5,20,21,22）作为一个整体在雅舞的最佳角度。 这允许在合适的方向上具有合适的速度时的风力的自动和有效利用。

    Rigid marine sail and method of folding said sail
    3.
    发明公开
    Rigid marine sail and method of folding said sail 失效
    Starres SegelfürSegelboote和Verfahren zum Falten死亡Segels。

    公开(公告)号：EP0064107A1

    公开(公告)日：1982-11-10

    申请号：EP81302002.1

    申请日：1981-05-06

    申请人： NIPPON KOKAN KABUSHIKI KAISHA ,  JAPAN MARINE MACHINERY DEVELOPMENT ASSOCIATION

    发明人： Yoshimi, Kazuhiko ,  Shimizu, Kazuyuki ,  Watari, Takashi ,  Kusumoto, Katsunori

    IPC分类号： B63H9/06

    CPC分类号： B63H9/0607

    摘要： A marine sail comprising a right-hand and left-hand sail portion (7A, 7B) pivoted to a common vertical axle (14) spaced forward of a mast (6) of a ship. The sail portions are arranged to substantially surround the mast to present a substantially streamlined cross-sectional shape when in the folded position, whereby to reduce wind resistance when the sail is not deployed. The mast can be allowed to rotate freely and is nearer the leading than the trailing edge of the folded sail, whereby the folded streamlined sail tends to align itself with the wind direction.

    摘要翻译： 一种海洋帆，包括右侧和左侧的风扇部分（7A，7B），枢转到与船舶的桅杆（6）间隔开的公共垂直轴（14）。 当处于折叠位置时，帆形部分布置成基本上围绕桅杆以呈现基本上流线型的横截面形状，从而当帆未展开时降低风阻力。 可以允许桅杆自由旋转，并且比折叠的帆的后缘更靠近导线，由此折叠的流线型的帆趋向于与风向对齐。