Patent ID: 9463856
Filing Date: 2016-10-11
CPC Classification: B63H

Claim Text:
1. A ship comprising: a main propeller; a pod propulsion unit steered by a first steering mechanism; and a rudder plate steered by a second steering mechanism, wherein said main propeller, said pod propulsion unit and said rudder plate are arranged on a hull centerline, wherein said pod propulsion unit comprises: a casing; a propeller driving mechanism disposed in said casing; a pod propeller driven by said propeller driving mechanism; and a strut installed on said casing, wherein said pod propulsion unit is arranged behind said main propeller, wherein said rudder plate is arranged behind said strut, wherein said main propeller and said pod propeller configure a contrarotating propeller, and wherein, when rudder angles of said pod propulsion unit and said rudder plate are zero, at least a part of a front end of said rudder plate is in front of a rear end of said casing.