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    • 5. 发明授权
    • Multi-terrain amphibious vehicle
    • 多地形两栖车
    • US5881831A
    • 1999-03-16
    • US857332
    • 1997-05-16
    • William B. Harvey
    • William B. Harvey
    • B60B19/00B62D11/02B62D57/00B63H1/04B62D57/02B62D61/10
    • B63H1/04B60B19/00B62D11/02B62D57/00B60B2360/50B60Y2200/20B60Y2200/42
    • A multi-terrain amphibious vehicle adapted for travel across surfaces of various type and attributes is provided. The vehicle includes a chassis assembly (10) which extends in a longitudinal direction; a plurality of propulsion members rotatably coupled to that chassis assembly for propelling the vehicle across a given surface; and, a control mechanism for controlling the rotational velocities and phases of the propulsion members. The propulsion members each rotate about an axis that extends in a direction substantially normal to the longitudinal direction. Each propulsion member includes, for engaging the given surface, at least a first perimeter segment and a second perimeter segment coaxially disposed in angularly offset manner about its rotation axis. The first perimeter segment has an arcuate contour and extends radially farther from the rotation axis than does the second perimeter segment. In operation, the propulsion members are cooperatively rotated to collectively impart a predetermined speed and direction of travel to the vehicle.
    • 提供了一种适用于各种类型和属性表面行驶的多地形水陆两用车辆。 车辆包括沿纵向方向延伸的底盘组件(10); 多个推动构件,其可旋转地联接到所述底盘组件,用于将车辆推动穿过给定的表面; 以及用于控制推进构件的旋转速度和相位的控制机构。 推进构件各自围绕在基本上垂直于纵向的方向上延伸的轴线旋转。 每个推进构件包括用于接合给定表面的至少第一周边段和第二周边段,该第一周边段和第二周边段围绕其旋转轴以角度偏移的方式共轴设置。 第一周边段具有弧形轮廓并且比第二周边段更远离旋转轴线延伸。 在操作中,推进构件协同地旋转以共同地赋予车辆的预定速度和行驶方向。
    • 9. 发明授权
    • Airplane wing and method of forming same
    • 飞机机翼及其形成方法
    • US3937425A
    • 1976-02-10
    • US462397
    • 1974-04-19
    • William B. Harvey
    • William B. Harvey
    • B64C3/26
    • B64C3/26Y10T156/1036
    • A method of forming an airplane wing and a resulting article of manufacture where a wing structural member is provided which is composed of a plastic foam layer sandwiched between opposing paper sheets. A substantial portion of one of the paper sheets is removed from the plastic foam through application of water to pulpify one of the paper sheets and then stripping such from the plastic foam layer. The resulting structural member is then formed into a predetermined contour after compression of the foam layer in the leading edge region of the wing. Rib elements may be secured to an internal surface of the wing and the trailing edges are tapered prior to securement of the trailing wing edges throughout the wing extended length.
    • 一种形成飞机机翼的方法以及由此产生的制品,其中设置有由夹在相对的纸张之间的塑料泡沫层构成的翼结构件。 其中一个纸张的大部分通过施加水从塑料泡沫中去除,以对纸张之一进行造纸,然后从塑料泡沫层剥离。 然后将所得到的结构构件在机翼的前缘区域中的泡沫层压缩之后形成预定的轮廓。 肋元件可以固定到机翼的内表面,并且在将后翼边缘固定在机翼延伸长度之前,后缘是锥形的。