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    • 1. 发明申请
    • REVERSING PROPULSION DEVICE FOR WATERCRAFT
    • 逆转推进器的推进装置
    • WO2014078111A2
    • 2014-05-22
    • PCT/US2013/068292
    • 2013-11-04
    • HOBIE CAT COMPANY, A MISSOURI CORPORATION
    • KETTERMAN, Gregory, ScottCZARNOWSKI, James, TaylorKARDAS, Jason ChristopherDOW, Philip, James
    • B63H1/36
    • B63H1/36B63H1/32B63H16/12B63H16/18B63H16/20B63H2016/202
    • A human propelled watercraft having a pair of flexible fins extending into the water each adapted to oscillate through an arcuate path in a generally transverse direction with respect to the central longitudinal dimension of said watercraft. Pedals are provided for applying input force whereby as input force is applied, the flexible fins can twist to form an angle of attack for providing forward thrust with respect to the longitudinal dimension of the watercraft while moving in both directions along the arcuate path. The user can pull a lever and cause the fins to rotate 180° and produce thrust in the reverse direction. The fins are able to pivot and swing aft to avoid damage if there is a collision with a submerged object. The fins are more efficient, durable, and adjustable. Simple plastic roller bearings have been adapted to reduce mechanical friction without the need for oil seals.
    • 具有一对延伸到水中的柔性翅片的人类推进水运工具,每个柔性翅片适于相对于所述水运工具的中央纵向尺寸沿大致横向方向通过弓形路径摆动。 提供用于施加输入力的踏板,由此当施加输入力时,柔性翅片可以扭转以形成迎角,以在沿着弓形路径在两个方向上移动时相对于水运工具的纵向尺寸提供前向推力。 用户可以拉动杠杆并使翅片旋转180°; 并产生相反方向的推力。 如果与淹没物体发生碰撞,鳍能够枢转并向后摆动以避免损坏。 翅片更高效,耐用,可调。 简单的塑料滚子轴承已经适应了减少机械摩擦而不需要油封。