To improve propulsion efficiency of a vessel propulsion device provided with a duct propeller as well as secure the steering property.SOLUTION: A vessel propulsion device for propelling a vessel includes a plurality of duct propellers each including a duct provided below a hull of a vessel and a propeller arranged to be rotatable inside the duct, the plurality of duct propellers each including at least one embedded-type duct propeller with the duct embedded in the hull and at least one oscillation-type duct propeller capable of oscillating the duct in the horizontal direction.SELECTED DRAWING: Figure 2
【課題】ダクトプロペラを備える船舶推進装置の推進効率を向上させつつ、操舵性を確保することができる。【解決手段】船舶を推進させる船舶推進装置は、船舶の船体の下方に設けられるダクトと、ダクトの内部に回転可能に配置されるプロペラと、を含むダクトプロペラを複数備え、複数のダクトプロペラは、ダクトが船体に埋め込まれている少なくとも1つの埋込式ダクトプロペラと、ダクトを水平方向に首振り可能な少なくとも1つの首振式ダクトプロペラとのそれぞれを含む。【選択図】図2
VESSEL PROPULSION DEVICE AND VESSEL
船舶推進装置、船舶
2022-10-06
Patent
Electronic Resource
Japanese
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
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