B - Operations – Transporting – 63 – B
Patent
B - Operations, Transporting
63
B
B63B 59/04 (2006.01) B06B 1/02 (2006.01) G10K 11/34 (2006.01)
Patent
CA 2057050
2057050 9013474 PCTABS00002 A system and a method for counteracting marine fouling of e.g. a ship's hull (1) are provided, where electromechanical low frequency vibration transducers (2, 3) are arranged in pairs about fixed ("clamped") nodal lines (4) of the hull (1), and said transducers (2, 3) are driven in an opposite phase relationship in order to impart a movement to the water particles which is parallel to the hull (1) immediately outside said nodal lines (4), in addition to the relative water particle movements just outside the transducers (2, 3), which movements are substantially in a perpendicular direction to the hull. The present invention also comprises a combination of the above mechanical system and a special surface coating which counteracts fouling by other organisms than those affected by the water particle movement in the infra-frequency range.
Barrigar & Moss
Infrawave Technology A/s
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