Flow modification device having helical strakes and a system and method for modifying flow
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United States of America Patent
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Jun 14, 2022
Grant Date -
N/A
app pub date -
Mar 31, 2017
filing date -
Apr 1, 2016
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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.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- AMOG TECHNOLOGIES PTY LTD
International Classification(s)
- F16K:VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR....
- F16L:PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR ....
- F15D:FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENC....
- E02B:HYDRAULIC ENGINEERING
- F16F:SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRAT....
- B63B:SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR S....
- E21B:EARTH OR ROCK DRILLING
- [Classification Symbol]
- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Marcollo, Hayden | Box Hill North, AU | 5 | 6 |
Potts, Andrew Elmhirst | North Balwyn, AU | 4 | 53 |
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