JPS626098U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１，２図は本考案の第１実施例としての船舶
の推進性能向上装置を示すもので、第１図は同装
置をそなえた船舶の船尾正面図、第２図は同船舶
の船尾側面図であり、第３，４図は本考案の第２
実施例としての船舶の推進性能向上装置を示すも
ので、第３図は同装置をそなえた船舶の船尾正面
図、第４図は同船舶の船尾側面図であり、第５，
６図は従来の船舶の船尾部を示すもので、第５図
はその正面図、第６図はその側面図である。 １…船体、２…船体平行部、３…ビルジ部、４
…船底側部、４ａ，４ｂ…船尾外板、５ａ，５ｂ
…渦、６ａ，６ｂ…補助スクリユープロペラ、７
ａ，７ｂ…プロペラシヤフト、８…主スクリユー
プロペラ、９…方向舵。 Figures 1 and 2 show a propulsion performance improvement device for a ship as a first embodiment of the present invention. Figure 1 is a stern front view of a ship equipped with the device, and Figure 2 is a stern side view of the ship. Figures 3 and 4 are the second diagram of the present invention.
This shows a propulsion performance improvement device for a ship as an example, and FIG. 3 is a front view of the stern of the ship equipped with the device, FIG. 4 is a side view of the stern of the ship, and FIG.
FIG. 6 shows the stern of a conventional ship, FIG. 5 is a front view thereof, and FIG. 6 is a side view thereof. 1... Hull, 2... Parallel hull section, 3... Bilge section, 4
...Bottom side, 4a, 4b...Stern shell, 5a, 5b
...Vortex, 6a, 6b...Auxiliary screw propeller, 7
a, 7b... propeller shaft, 8... main screw propeller, 9... rudder.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 船尾端の中央に主スクリユープロペラをそなえ
た船舶において、上記主スクリユープロペラより
もやや前方の船底側部に同主スクリユープロペラ
の回転方向と逆向きに回転する補助スクリユープ
ロペラが設けられたことを特徴とする、船舶の推
進性能向上装置。 In a ship equipped with a main screw propeller at the center of the stern end, an auxiliary screw propeller that rotates in the opposite direction to the rotational direction of the main screw propeller is installed on the bottom side of the ship slightly forward of the main screw propeller. A device for improving the propulsion performance of ships, which is characterized by: