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Single point mooring with suspension turret

  • US 20030154899A1
  • Filed: 02/19/2003
  • Published: 08/21/2003
  • Est. Priority Date: 02/19/2002
  • Status: Active Grant
First Claim
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13. A vessel which includes a large turret that is positioned in a moonpool in the middle portion of a vessel hull where the turret is anchored to a sea floor and includes couplings wherein the vessel is rotatably supported about a primarily vertical axis of said turret said coupling including an axial bearing arrangement characterized by, a circular rail positioned carried by said vessel in a horizontal plane which is perpendicular to said vertical axis, said rail having an upper facing surface, a plurality of bogie housings, each housing having downward facing surface and at least one Hillman roller assembly designed and arranged for rolling support between said upward facing surface of said housing, a first set of rocker beams pivotably connected to said bogie housings, a second set of rocker beams pivotably coupled to said turret, and suspension members connected between said first set of rocker beams and said second set of rocker beams.

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