To provide a vessel propulsion device for obtaining improvement in calmness and propulsion performance.SOLUTION: A vessel propulsion device includes a propeller boss 2 with a plurality of propeller blades 3 provided on an outer periphery surface and a cap 4 provided with a plurality of blades 5 and attached to a rear end part of the propeller boss 2. The planar shape of the blade 5 seen from the direction of a rotational shaft of the cap 4 is set to be an S shaped forward skew to the rotational shaft of the cap.SELECTED DRAWING: Figure 2
【課題】静穏性と推進性能の向上を図った船舶用推進装置を提供すること。【解決手段】複数のプロペラ羽根3が外周面に設けられるプロペラボス2と、複数の翼5が設けられ、該プロペラボス2の後端部に取り付けられるキャップ4と、を備えた船舶用推進装置であって、該キャップ4の回転軸方向に見た該翼5の平面形状は、該キャップの回転軸に対してS字型のフォワードスキューとなるように設定されていることを特徴とする。【選択図】図2
VESSEL PROPULSION DEVICE AND VESSEL PROVIDED WITH THE SAME
船舶用推進装置及びそれを備えた船舶
2024-10-10
Patent
Electronic Resource
Japanese
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
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