JPS6172499U - - Google Patents
Info
- Publication number
- JPS6172499U JPS6172499U JP15725584U JP15725584U JPS6172499U JP S6172499 U JPS6172499 U JP S6172499U JP 15725584 U JP15725584 U JP 15725584U JP 15725584 U JP15725584 U JP 15725584U JP S6172499 U JPS6172499 U JP S6172499U
- Authority
- JP
- Japan
- Prior art keywords
- surface side
- blade
- propeller
- pressure
- propeller blade
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims description 3
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図は本考案の好適一実施例のプロペラ翼の
負圧面側を示す正面図、第２図はそのプロペラ翼
の圧力面側を示す背面図、第３図は第１図におけ
る−線矢視断面図、第４図はプロペラ翼の取
付状態を示す船尾部の側面図、第５図は第２図に
おける−線矢視断面図、第６図は第２図にお
ける−線矢視断面図、第７図はプロペラ翼径
外方の翼表面（０．７Ｒ付近）の圧力状態につい
て従来と本考案とを比較したグラフ図、第８図は
プロペラ翼の翼根部の翼素面（０．３Ｒ付近）の
圧力状態について従来と本考案とを比較したグラ
フ図、第９図はプロペラ翼素の循環Γ（γ）につ
いて従来と本考案とを比較したグラフ図である。
図中、４はプロペラ翼、４ａはその圧力面、４
ｂはその負圧面、８は流体通孔である。
FIG. 1 is a front view showing the suction side of a propeller blade according to a preferred embodiment of the present invention, FIG. 2 is a rear view showing the pressure side of the propeller blade, and FIG. 3 is an arrow indicated by the - line in FIG. 4 is a side view of the stern section showing how the propeller blades are attached; FIG. 5 is a sectional view taken along the - line in FIG. 2; and FIG. 6 is a sectional view taken along the - line in FIG. 2. , Fig. 7 is a graph comparing the pressure state of the conventional blade surface (near 0.7R) with the pressure state of the present invention, and Fig. 8 is a graph comparing the pressure state of the blade surface (near 0.7R) at the outer diameter of the propeller blade. FIG. 9 is a graph comparing the conventional and the present invention with respect to the pressure state of the propeller blade (near), and FIG. 9 is a graph comparing the conventional and the present invention with respect to the circulation Γ(γ) of the propeller blade element. In the figure, 4 is a propeller blade, 4a is its pressure surface, 4
b is its negative pressure surface, and 8 is a fluid passage.
Claims (1)
ラ翼径外方の負圧面側との間に、これら圧力面側
と負圧面側との圧力差によつて流体流れを生成さ
せるための流体通孔を形成したことを特徴とする
舶用プロペラ。 A fluid hole between the pressure surface side of the blade root of the propeller blade and the suction surface side radially outward of the propeller blade to generate a fluid flow due to the pressure difference between the pressure surface side and the suction surface side. A marine propeller characterized by the following:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15725584U JPS6172499U (en) | 1984-10-19 | 1984-10-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15725584U JPS6172499U (en) | 1984-10-19 | 1984-10-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6172499U true JPS6172499U (en) | 1986-05-16 |
Family
ID=30715253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15725584U Pending JPS6172499U (en) | 1984-10-19 | 1984-10-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6172499U (en) |
-
1984
- 1984-10-19 JP JP15725584U patent/JPS6172499U/ja active Pending