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Arrangement for buoy loading

  • US 5,651,708 A
  • Filed: 09/08/1995
  • Issued: 07/29/1997
  • Est. Priority Date: 02/12/1993
  • Status: Expired due to Fees
First Claim
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1. An arrangement for buoy loading of hydrocarbons at sea, comprising a buoy means which is anchored to the sea floor by means of mooring lines and is connected to at least one riser line and is arranged to be received in a seat in a vessel for rotation with respect to the vessel about a generally vertical axis, said riser line being in flow communication with a lower connector member which is arranged on the buoy means and fitting together with an upper connector member arranged in the vessel, a flow communication being arranged between the upper connector member and one side of a swivel means, the other side of which is being connected to a pipe system in the vessel, wherein said one side of the swivel means is arranged on a turning body arranged in the vessel spaced above said seat so as to be independently rotatable with respect to the buoy means, and wherein the flow communication between the upper connector member and the swivel means comprises a flexible conduit which is resiliently supported in tension in the turning body, and wherein means are arranged for turning the turning body in steps before the turning body and the buoy means exceed a predetermined mutual angular relationship when the vessel turns about the buoy means in order to assume the most favorable orientation for meeting waves, wind and current.

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