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    • 8. 发明授权
    • Floating unit
    • 浮动单元
    • US08544403B2
    • 2013-10-01
    • US13019777
    • 2011-02-02
    • Daniel Åstrand
    • Daniel Åstrand
    • B63B21/00
    • B63B21/50B63B21/10B63H15/00B63H25/00
    • The present invention relates to a unit adapted to float in a body of water with a sea bed. The unit comprises a station-keeping system comprising a mooring line, the mooring line comprising a connection portion and a tail portion and when the unit is floating. The body of water reaches a still water line of the unit and the connection portion extends from the sea bed to a mooring line handling arrangement of the unit. The arrangement is adapted to actively alter the length of the connection portion. When the mooring line is in a permanent mooring position, at least a portion of the tail portion is located in the body of water.
    • 本发明涉及一种适于用海床漂浮在水体中的单元。 该单元包括一个包括系泊线的驻车保持系统,系泊线包括一个连接部分和一个尾部,当该单元是浮动的。 水体到达设备的静水线,连接部分从海床延伸到单元的系泊线处理装置。 该装置适于主动地改变连接部分的长度。 当系泊绳处于永久系泊位置时,尾部的至少一部分位于水体中。
    • 9. 发明授权
    • Bidirectional dredge apparatus
    • 双向挖泥装置
    • US6041527A
    • 2000-03-28
    • US55620
    • 1998-04-06
    • Craig L. Hostetler
    • Craig L. Hostetler
    • B63H15/00E02D17/16E02F3/18E02F9/06B63B21/50
    • B63H15/00E02F3/188E02F9/065E02D17/16
    • A bidirectional dredge provides active dredging on both forward and reverse passes across an area being dredged. The dredge includes a pivot turning mechanism that allows a turnaround of the dredge, allowing each pass to start at the terminating point of the previous pass. The dredge is driven by a winch attached to an overhead cable strung between the perimeter of the dredging area. The winch is mounted on a pivot mechanism which is operative to rotate the dredge at each end of a dredging pass. The pivot mechanism includes a pair of plates which rotate, a lower plate being attached to the dredge, and an upper plate attached to the winch. At the end of each pass, the pivot unit is activated and the dredge rotated. Following rotation, the dredge is now facing forward toward the distal end of the dredging area, and ready to effect an active dredging pass in the opposite direction, thereby utilizing every pass over the area for active dredging.
    • 双向疏浚在正在挖掘的一个区域上进行正向和反向传递。 挖泥船包括枢轴转动机构,其允许挖泥船的周转,允许每个通过在先前通过的终点处开始。 挖泥船由连接在疏浚区域周边之间的架空电缆的绞车驱动。 绞盘安装在枢轴机构上,该机构可操作以在疏通通道的每一端旋转挖泥船。 枢转机构包括一对旋转的板,下板连接到挖泥船,以及连接到绞盘的上板。 在每次通过结束时,枢轴单元被启动,挖泥船旋转。 在旋转之后,疏浚现在正朝着疏浚区域的远端前进,并准备在相反方向进行主动疏浚通道,从而利用该区域的每次通过用于主动疏浚。
    • 10. 发明授权
    • Method of towing large masses at sea
    • 拖曳海上大群众的方法
    • US4299184A
    • 1981-11-10
    • US96036
    • 1979-11-20
    • Georges L. Mougin
    • Georges L. Mougin
    • B63B21/56B63B38/00B63H15/00
    • B63B35/086B63H15/00
    • A large floating mass (10) such as an off-shore structure or an iceberg is towed using two sea anchors (20 & 30) alternately. The motive power for towing is derived from winch means (15 & 16) on the large floating mass or on a barge immediately in front of it. The cable by which the towing force is transmitted runs from one of the sea anchors to the other so that it is payed out to one while the other is being winched towards the mass. The sea anchors are arranged to offer little resistance to forward movement through the water, but to offer a large resistance to backward movement, thereby offering a purchase from which towing is effected. The advantage of using two sea anchors is that with an alternating succession of towing operations it is possible to keep a substantially continuous tractive effort acting on the mass.
    • 使用两个海锚(20和30)交替地拖动诸如离岸结构或冰山的大浮体(10)。 牵引力的动力来自于大型浮质或立即在其前方的驳船上的绞车装置(15和16)。 牵引力传递的电缆从其中一个锚固器延伸到另一个,使得它被支付到一个,而另一个正在向群体中绞。 海锚被安排为几乎没有阻力通过水向前移动,但是提供了大的向后运动阻力,从而提供了进行牵引的购买。 使用两个海锚的优点在于,通过交替连续的牵引操作,可以保持基本上连续的牵引作用在质量上。