JPS6299497U - - Google Patents
Info
- Publication number
- JPS6299497U JPS6299497U JP19199985U JP19199985U JPS6299497U JP S6299497 U JPS6299497 U JP S6299497U JP 19199985 U JP19199985 U JP 19199985U JP 19199985 U JP19199985 U JP 19199985U JP S6299497 U JPS6299497 U JP S6299497U
- Authority
- JP
- Japan
- Prior art keywords
- propeller
- ship
- fin
- auxiliary
- fins
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Sliding-Contact Bearings (AREA)
- Toys (AREA)
Description
第１，２図は本考案の第１実施例としての推進
性能向上装置を有する船舶を示すもので、第１図
はその右舷側から見た船尾部側面図、第２図は第
１図の―矢視断面図であり、第３，４図は本
考案の第２実施例としての推進性能向上装置を有
する船舶を示すもので、第３図はその右舷側から
見た船尾部側面図、第４図は第３図の―矢視
断面図、第５，６図は従来の推進性能向上装置を
有する船舶を示すもので、第５図はその右舷側か
ら見た船尾部側面図、第６図は第５図の―矢
視断面図であり、第７図はある肥形船におけるフ
インの取付位置断面でのプロペラが作動していな
いときの流向分布を示す説明図である。
１……船体、１Ａ，１Ｂ……舷側部分、２……
スターンフレーム、３……フインボス、４……シ
ユーピース、５……プロペラ軸、６……プロペラ
、７ａ〜７ｆ……フイン、８ａ，８ｂ……第１の
補助フイン、９ａ，９ｂ……第２の補助フイン。
Figures 1 and 2 show a ship equipped with a propulsion performance improvement device as the first embodiment of the present invention. Figure 1 is a side view of the stern seen from the starboard side, and Figure 2 is the same as Figure 1. - A cross-sectional view taken in the direction of the arrows, and Figures 3 and 4 show a ship having a propulsion performance improvement device as a second embodiment of the present invention, and Figure 3 is a side view of the stern section as seen from the starboard side. Figure 4 is a sectional view taken along the - arrow in Figure 3, Figures 5 and 6 show a ship equipped with a conventional propulsion performance improvement device, Figure 5 is a side view of the stern seen from the starboard side; FIG. 6 is a sectional view taken along the - arrow in FIG. 5, and FIG. 7 is an explanatory diagram showing the flow direction distribution when the propeller is not operating in a cross section at the fin attachment position of a certain large ship. 1... Hull, 1A, 1B... Broadside part, 2...
Stern frame, 3...Fin boss, 4...Sew piece, 5...Propeller shaft, 6...Propeller, 7a-7f...Fin, 8a, 8b...First auxiliary fin, 9a, 9b...Second Auxiliary fin.
Claims (1)
、プロペラへ流入する水の流れを同プロペラの回
転方向と逆向きに曲げるように、突設された複数
のフインをそなえ、これらのフイン配設部よりも
前方の舷側部分のうち船体の前進時にプロペラ翼
が上昇する側に、水平方向および斜下方向へ突出
する複数の第１の補助フインが設けられるととも
に、上記舷側部分のうち船体の前進時にプロペラ
翼が下降する側に、斜上方向へ突出する第２の補
助フインが設けられていることを特徴とする、船
舶の推進性能向上装置。 The fin boss that rotatably surrounds the propeller shaft has a plurality of protruding fins so as to bend the flow of water flowing into the propeller in the direction opposite to the direction of rotation of the propeller. A plurality of first auxiliary fins protruding horizontally and diagonally downward are provided on the side of the side portion of the ship where the propeller blades rise when the ship moves forward. A propulsion performance improving device for a ship, characterized in that a second auxiliary fin that projects diagonally upward is provided on the descending side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19199985U JPH0513675Y2 (en) | 1985-12-12 | 1985-12-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19199985U JPH0513675Y2 (en) | 1985-12-12 | 1985-12-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6299497U true JPS6299497U (en) | 1987-06-24 |
| JPH0513675Y2 JPH0513675Y2 (en) | 1993-04-12 |
Family
ID=31146666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19199985U Expired - Lifetime JPH0513675Y2 (en) | 1985-12-12 | 1985-12-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0513675Y2 (en) |
-
1985
- 1985-12-12 JP JP19199985U patent/JPH0513675Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0513675Y2 (en) | 1993-04-12 |