SHIP-circle rudder propellers for the movement and maneuverability in ice conditions

摘要

1. Ship propeller-steering for movement and maneuvering under ice conditions, comprising a streamlined strut and a pod containing drive elements and a propeller shaft, cantilever projecting from opposite ends of the nacelle and attached to it with feed and the nose end aft respectively and bow propellers, characterized in that the propeller shaft is configured in two parts with the possibility of providing independent driving the rotation of the respective propeller, a streamlined I Front and nacelle equipped with elements of the second drive mechanism for providing a counter-rotating one of the propellers with respect to the other, wherein the drive mechanisms propellers propeller-steering column configured to provide rotation of one of the propellers with a frequency different from the frequency of rotation of the other propeller, the diameter of the nose of the propeller diameter is 0.5-0.95 aft propeller vinta.2. Ship propeller-steering column according to claim 1, characterized in that it comprises a guide nozzle covering aft propeller.