SHIPBOARD STEERING DEVICE Russian patent published in 2016 - IPC B63H25/08 

FIELD: shipbuilding.

SUBSTANCE: shipboard steering device comprises rotary nose part, a shaped rudder blade, which consists of main part and rear part, and spindle. Spindle is equipped with aft turn drive. Rotary nose part is located in front of main part along ship and interconnected with it by means of hinge with vertical axis of rotation. Nose part turn drive consists of at least two horizontal links. Main part of rudder blade is equipped with a cavity, one end of each link is rigidly fixed on end surface of nose and aft parts respectively, while free ends are passed into cavity of main part of rudder blade via through holes. Free end of one of links is equipped with a vertical protrusion, which is configured to interface with a through hole of free end of other horizontal communication, for which connections are located with clearance relative to each other in vertical plane and their free ends overlapping in horizontal plane. Cross-section area of vertical protrusion is smaller than that of through hole.

EFFECT: higher efficiency of ship control.

3 cl, 3 dwg