Patent ID: 6309266
Filing Date: 2001-10-30
Classification: B63B,B63H,Y02T

Abstract:
A propulsion and steering system for reducing water mounding along and under a bow and hull of a mono-hull ship thereby enhancing displacement of water by the hull and permitting increase of the beam to length ratio of the ship comprising:two or more thrust chambers, each of said thrust chambers passing lengthwise through said hull below a waterline of said ship, each of said thrust chambers having an open bow end and an open stern end;said bow of said ship configured to channel water into said bow ends of said thrust chambers, said bow configuration including, on either side of a central line of said hull,a substantially rectangular plate depending downward below said waterline, a lower end of said rectangular plate positioned substantially above a bow end of one of said thrust chambers;a substantially triangular plate depending downward below said waterline, an edge of said triangular plate positioned substantially along said waterline, a second edge of said triangular plate contiguous with a keel-ward edge of said rectangular plate; anda keel plate, said keel plate contiguous with (a) said central line of said hull, (b) a third edge of said triangular plate, and (c) a keel-ward edge of said thrust chamber;said rectangular plate, said triangular plate, and said keel plate together angled to direct water from said bow into said bow end of said thrust chamber.