A ship is configured to obtain propelling force by driving a designed propeller with a main engine. A vertical tunnel is formed at a bow portion to pass through a ship bottom. A lateral tunnel is formed in communication with the vertical tunnel. An additional propeller device has an additional propeller and a driving unit for the propeller. The additional propeller device is configured such that the additional propeller can turn around a vertical center line of the vertical tunnel. The additional propeller is configured to be capable of vertically movable from below the ship bottom to a height position of the lateral tunnel. When the additional propeller is at the height position of the lateral tunnel, the additional propeller is configured to follow the lateral tunnel.
Ship Equipped with Additional Propeller
2018-02-15
Patent
Electronic Resource
English
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
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