JPS62179898U - - Google Patents
Info
- Publication number
- JPS62179898U JPS62179898U JP1986069342U JP6934286U JPS62179898U JP S62179898 U JPS62179898 U JP S62179898U JP 1986069342 U JP1986069342 U JP 1986069342U JP 6934286 U JP6934286 U JP 6934286U JP S62179898 U JPS62179898 U JP S62179898U
- Authority
- JP
- Japan
- Prior art keywords
- propeller
- propulsion performance
- discharge section
- bubble discharge
- screw propeller
- 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 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図〜第４図は、本考案の推進性能向上装置
の一実施例であり、第１図は、本考案の船〓〓
〓部側面図、第２図は、第１図の―線矢視図
、第３図は、第２図の―線断面図、第４図は
、本考案の作用を説明する模式図である。第５図
及び第６図は、従来の推進性能向上装置の例であ
り、第５図は、船〓〓 〓部側面図、第６図は、
第５図の―線矢視図を示す。
２…スクリユープロペラ、３…プロペラ軸、７
…リアクシヨンフイン、８…多孔性部材。
Figures 1 to 4 show an embodiment of the propulsion performance improvement device of the present invention, and Figure 1 shows the ship of the present invention.
Fig. 2 is a side view of the lower part, Fig. 2 is a view taken along the line - - of Fig. 1, Fig. 3 is a cross-sectional view taken along - - of Fig. 2, and Fig. 4 is a schematic diagram illustrating the operation of the present invention. . Figures 5 and 6 are examples of conventional propulsion performance improvement devices, with Figure 5 being a side view of the ship's bottom section, and Figure 6 being
A view taken along the - line in FIG. 5 is shown. 2...screw propeller, 3...propeller shaft, 7
...Reaction fin, 8...Porous member.
Claims (1)
プロペラ回転方向と逆方向の回転流を発生させる
ために、スクリユープロペラの上流側にプロペラ
軸線を中心としてほぼ放射状に複数個のリアクシ
ヨンフインを備えた推進性能向上装置において、
上記リアクシヨンフインの前縁部に微小気泡吐出
部を形成すると共に、この気泡吐出部に放出流体
送給手段を接続したことを特徴とする推進性能向
上装置。 In order to generate a rotating flow in the direction opposite to the direction of propeller rotation in the flow flowing into the screw propeller at the stern, a plurality of reaction fins are provided on the upstream side of the screw propeller in a nearly radial manner around the propeller axis. In the propulsion performance improvement device,
A propulsion performance improving device characterized in that a micro bubble discharge section is formed at the front edge of the reaction fin, and a discharge fluid feeding means is connected to the bubble discharge section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986069342U JPS62179898U (en) | 1986-05-08 | 1986-05-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986069342U JPS62179898U (en) | 1986-05-08 | 1986-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62179898U true JPS62179898U (en) | 1987-11-14 |
Family
ID=30909990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986069342U Pending JPS62179898U (en) | 1986-05-08 | 1986-05-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62179898U (en) |
-
1986
- 1986-05-08 JP JP1986069342U patent/JPS62179898U/ja active Pending
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