Patent ID: 6953308
Filing Date: 2005-10-11
Classification: B63B,E21B

Abstract:
1. A strake for reducing vortex-induced vibrations acting on the hull of a floating offshore platform, the strake comprising a plurality of strake segments extending substantially radially outward from the hull and arranged in a spaced-apart, end-to-end relationship defining a discontinuous, generally helical band extending around the circumference of a lower portion of the hull, wherein each of the strake segments comprises: a pair of spaced-apart stanchions having inner ends attached to the hull and extending substantially radially outward from the hull; a frame supported radially on the stanchions, the frame comprising a plurality of elongated circumferential and radial members connected together to define a generally rectangular periphery; and a panel attached to the frame, the panel having a periphery generally corresponding to the periphery of the frame.