Patent ID: 7654212
Filing Date: 2010-02-02
Classification: B63B,Y02T

Abstract:
1. A frictional resistance reduction ship, comprising: ducts arranged along lateral sides of a hull of said ship, said ducts configured for supplying air to an outside surface of said hull and extending substantially perpendicularly from near an upper end of said hull to a bottom end of said hull; each duct divided into chambers, said chambers being independent along a longitudinal direction of said duct; piping for supplying air to each one of said chambers; an opening formed in each one of said chambers; a microbubble generator attached to each said opening; said microbubble generator consisting of a plate inserted in said opening and a wing for negative pressure generation attached to the plate, a window formed in the plate at a location opposite the wing on said plate, said window allowing passage of the air to the outside surface.