To provide a marine propulsion device and a ship equipped with the same capable of improving propulsion performance while securing silence characteristics at the navigating time.SOLUTION: A screw propeller (1) comprises: a propeller boss (2) having a plurality of blades (3) formed on an outer peripheral surface; and a cap (4) provided with a plurality of fins (44) and installed on a rear end of the propeller boss (2). The screw propeller has a configuration in which the plurality of fins (44) are provided so as to be extended toward the rear side from the cap (4).SELECTED DRAWING: Figure 2
【課題】航行時における静穏性を確保しながら、推進性能を向上することができる船舶用推進装置及びそれを備えた船舶を提供すること。【解決手段】複数のブレード(3)が外周面に設けられるプロペラボス(2)と、複数のフィン(44)が設けられ、プロペラボス(2)の後端部に取り付けられるキャップ(4)とを備えたスクリュープロペラ(1)において、複数のフィン(44)をキャップ(4)から後方側に延出して設ける構成とした。【選択図】図2
MARINE PROPULSION DEVICE AND SHIP EQUIPPED WITH THE SAME
船舶用推進装置及びそれを備えた船舶
2019-01-17
Patent
Elektronische Ressource
Japanisch
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
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