Patent ID: 7281480
Filing Date: 2007-10-16
Classification: B63B,Y02T

Abstract:
1. A hull for a marine vessel, the hull having a water line, a bow end and an aft end, the hull having a first opening below the water line and a second opening below the water line, the first opening being closer than the second opening to the bow end, a first conduit extending from the first opening to the second opening, whereby water flows into the first conduit through the first opening and passes through the first conduit from the first opening towards the second opening, exiting at the second opening, the first conduit having a periphery and a chamber around a portion of the periphery, the portion of the periphery of the first conduit within the chamber having a third opening and a fourth opening, a second conduit extending from the third opening to the fourth opening within the chamber, whereby water flows into the second conduit from the first conduit through the third opening and passes through the second conduit from the third opening towards the fourth opening, exiting at the fourth opening into the first conduit, the second conduit having a fifth opening between the third and fourth openings, a third conduit extending from the fifth opening of the second conduit to within the chamber, the chamber having an outer periphery, the outer periphery of the chamber having a sixth opening, a fourth conduit extending from a supply of fluid to the sixth opening, fluid being drawn from the supply of fluid into the chamber via the fourth conduit, fluid being drawn from within the chamber into the second conduit via the third conduit and exiting at the fourth opening.