Vortex induced vibration suppression device and method
OwnerWeldon Taquinoinventor
Life of this patent
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Abstract
A vortex induced vibration suppressor and method is disclosed. The apparatus includes a body that is a flexible member of a polymeric (eg. polyurethane) construction. A plurality of helical vanes on the body extend longitudinally along and helically about the body. A longitudinal slot enables the body to be spread apart for placing the body upon a riser, pipe or pipeline. Adhesive and/or bolted connections optionally enable the body to be secured to the pipe, pipeline or riser.
Claims10
A vortex induced vibration suppression apparatus comprising;
- a) an elongated one piece body of flexible polymeric material, the body having a wall surrounding a continuous, open ended bore;
- b) the one piece body including a plurality of helical vanes on the body extending along the length thereof each vane tracking a helical path;
- c) a riser pipe that carries the body, the riser pipe occupying the bore;
- d) a slot that extends through the wall;
- and
- e) wherein the slot does not transversely cut across one or more of the helical paths.
A vortex induced vibration suppression apparatus comprising;
- a) an elongated one piece body of flexible polymeric material, the body having a wall surrounding a continuous, open ended bore;
- b) a plurality of helical vanes on the body extending along the length thereof;
- and
- c) a riser pipe that carries the body, the riser pipe occupying the bore;
- d) a longitudinal slot that extends through the wall, enabling the body to be separated to afford access to the bore;
- and
- e) wherein the slot separates one of the vanes into first and second longitudinally extending vane sections.
A vortex induced vibration suppression apparatus comprising;
- a) an elongated body of flexible polymeric material, the body having a wall surrounding a continuous, open ended bore;
- b) a plurality of helical vanes on the body extending along the length thereof;
- c) a longitudinal slot that extends through the wall, enabling the body to be separated to afford access to the bore;
- and
- d) a spacer that is removably attachable to the body, the spacer including a rounded outer surface that enables the spacer and body to roll and the spacer having a bore shaped to fit the elongated body and its helical vanes.
Dependencies are inferred from the claim text.