公开(公告)号：US11359651B2

公开(公告)日：2022-06-14

申请号：US16076117

申请日：2017-03-31

Applicant: AMOG Technologies Pty Ltd

Inventor： Andrew Elmhirst Potts ,  Hayden Marcollo

IPC: F16L55/02 ,  F15D1/00 ,  B63B22/00 ,  E02B17/00 ,  E21B17/01 ,  F15D1/12 ,  F16L1/12 ,  F16F15/023 ,  F16F7/14 ,  F16K47/00

Abstract: A flow modification device connectable to a generally cylindrical element adapted for immersion in a fluid medium is provided. The device comprises an elongate body having a length and a generally circular cross-section; a plurality of raised body portions disposed about and extending along the length of the elongate body, the raised body portions having a height between 2% and 10% of a diameter of the body; and an aperture extending through the length of the elongate body, the aperture being adapted to receive the generally cylindrical element such that the flow modification device is arranged about the cylindrical element. The plurality of raised body portions are helically arranged or twisted about a longitudinal axis of the elongate body and are adapted to reduce vortex-induced vibration and/or drag on the cylindrical element when the device is connected to the cylindrical element and the connected device and cylindrical element are immersed in the fluid medium and there is relative movement between the connected device and cylindrical element and the fluid medium.

公开(公告)号：US10323665B2

公开(公告)日：2019-06-18

申请号：US15738816

申请日：2016-06-27

Applicant: AMOG Technologies Pty Ltd

Inventor： Andrew Elmhirst Potts ,  Hayden Marcollo

IPC: E21B17/01 ,  F15D1/12 ,  F16L1/12 ,  F15D1/10 ,  B63B21/20 ,  B63B21/50 ,  B63B21/66

Abstract: A flow modification device connectable to a generally cylindrical element adapted for immersion in a fluid medium, the device comprising an elongate body having a length and a generally circular cross-section; a plurality of raised body portions disposed about and extending along the length of the elongate body, the raised body portions being arranged generally parallel to a longitudinal axis of the body and having a height between 2% and 10% of a diameter of the body; and an aperture extending through the length of the elongate body, the aperture being adapted to receive the generally cylindrical element such that the flow modification device is arranged about the cylindrical element. The plurality of raised body portions are adapted to reduce vortex-induced vibration and/or drag on the cylindrical element when the device is connected to the cylindrical element and the connected device and cylindrical element are immersed in the fluid medium and there is relative movement between the connected device and cylindrical element and the fluid medium.

公开(公告)号：US10648589B2

公开(公告)日：2020-05-12

申请号：US15738852

申请日：2016-06-27

Applicant: AMOG Technologies Pty Ltd

Inventor： Andrew Elmhirst Potts ,  Hayden Marcollo

IPC: F16L1/12 ,  E21B17/01 ,  B63B21/50

Abstract: A generally cylindrical element adapted for immersion in a fluid medium, the cylindrical element comprising an elongate body having a length and a generally circular cross-section, and a plurality of raised body portions disposed about and extending along the length of the elongate body, the raised body portions being arranged generally parallel to a longitudinal axis of the body and having a height between 2% and 10% of a diameter of the body. The plurality of raised body portions are adapted to reduce vortex-induced vibration and/or drag on the cylindrical element when the cylindrical element is immersed in the fluid medium and there is relative movement between the cylindrical element and the fluid medium.