VIV suppression strake assembly
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United States of America Patent
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Sep 15, 2020
Grant Date -
May 7, 2020
app pub date -
Jun 15, 2018
filing date -
Jun 15, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
Vortex Induced Vibration (VIV) suppression strakes, in particular VIV suppression strakes are arranged on subsea pipelines. A VIV suppression strake assembly includes a strake fin support shell that is configured to be arranged against the outer surface of a section of pipe and at least one strake fin having a fin tip and a fin base. The strake fin support shell includes an aperture that is configured for inserting the fin therein, and the fin is provided at the fin base with an anchor, which anchor is configured for engaging the fin support shell on the pipe side of the aperture. The aperture is a slot dimensioned to allow the fin to be inserted in the slot from the pipe side of the slot with the fin tip leading until the fin base engages the shell.
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