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    • 2. 发明授权
    • Catamaran boat
    • 双体船
    • US5188049A
    • 1993-02-23
    • US820991
    • 1992-01-14
    • Lawrence J. Graf
    • Lawrence J. Graf
    • B63B1/12
    • B63B1/12
    • A powered catamaran boat having displacement hulls (10) that provide stable boat performance. The two hulls (10) are joined by a deck structure (12), forming a tunnel (16) between the two hulls. Each of the hulls is symmetric and has a half entry angle (.theta.) less than 10.degree. at and below the water line, and a length-to-maximum beam ratio at the water line from approximately 9.88:1.0 to 10.92:1.0. The rear portion of each keel extends rearwardly and upwardly from the horizonal at an angle between approximately .80.degree. and 1.4.degree.. The ratio between the minimum vertical distance from the water line to the deck structure and the minimum width of the tunnel (16) is between 1.0:2.0 and 1.0:2.5. Additionally, each hull (10) includes a chine (50) that extends laterally outwardly from the hull a distance from approximately 3% to 6% of the maximum beam (24) of the hull at the water line.
    • 具有提供稳定船舶性能的排水船(10)的动力双体船。 两个船体(10)通过甲板结构(12)连接,在两个船体之间形成隧道(16)。 每个船体是对称的,并且在水线之下和之下具有小于10°的入口角(θ),水线处的长度与最大波束比约为9.88:1.0至10.92:1.0。 每个龙骨的后部从水平面向后和向上延伸约为.80°和1.4°之间的角度。 从水线到甲板结构的最小垂直距离和隧道(16)的最小宽度之间的比率在1.0:2.0和1.0:2.5之间。 另外,每个船体(10)包括一个从船体横向向外延伸的距离为在水线处的船体的最大波束(24)的大约3%到6%的距离的河流(50)。