JPS62179897U - - Google Patents
Info
- Publication number
- JPS62179897U JPS62179897U JP6910186U JP6910186U JPS62179897U JP S62179897 U JPS62179897 U JP S62179897U JP 6910186 U JP6910186 U JP 6910186U JP 6910186 U JP6910186 U JP 6910186U JP S62179897 U JPS62179897 U JP S62179897U
- Authority
- JP
- Japan
- Prior art keywords
- propeller
- idling
- blade
- screw propeller
- screw
- 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
Description
第1,2図は本考案の一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図はその正
面図、第2図は本装置を装備した船舶の船尾部を
模式的に示す縦断面図であり、第3〜7図は従来
の船舶の推進性能向上装置を示すもので、第3図
は同装置を装備した船舶の船尾部を模式的に示す
縦断面図、第4図は同装置の正面図、第5図は同
装置に用いられるスクリユープロペラの作用を示
すための模式的な翼断面図、第6図は同装置に用
いられる遊転プロペラのタービン部の作用を示す
ための模式的な翼断面図、第7図は同装置に用い
られる遊転プロペラのプロペラ部の作用を示すた
めの模式的な翼断面図である。
1…船体、2…主機、3…プロペラ軸、4…ス
クリユープロペラ、4a…スクリユープロペラの
プロペラボス、5…スクリユープロペラのプロペ
ラ翼、6…遊転プロペラ、6a…遊転プロペラの
プロペラボス、7…遊転プロペラのプロペラ翼、
7a…遊転プロペラのタービン部、7b…遊転プ
ロペラのプロペラ部、8…ボツシング、9…スク
リユープロペラにより発生する後流、10…舵、
11…スタンフレーム、D,DT,Dp…抗力、
F,FT,Fp…周方向分力、L,LT,Lp…
揚力、R,RT,Rp…合力、T…スクリユープ
ロペラにおいて発生する前方向への推力、Tp…
遊転プロペラのプロペラ部において発生する前方
向への推力、TT…遊転プロペラのタービン部に
おいて発生する抗力、Ta…本考案の船舶の推進
性能向上装置を装備した船舶全体の推力、W,W
T,Wp…プロペラに流入する流れの速度。
Figures 1 and 2 show a propulsion performance improvement device for ships as an embodiment of the present invention. Figure 1 is a front view of the device, and Figure 2 is a schematic view of the stern of a ship equipped with this device. 3 to 7 show a conventional propulsion performance improvement device for ships; FIG. 3 is a longitudinal sectional view schematically showing the stern of a ship equipped with the same device; FIG. The figure is a front view of the device, Figure 5 is a schematic cross-sectional view of the blade to show the action of the screw propeller used in the device, and Figure 6 is the action of the turbine section of the idling propeller used in the device. FIG. 7 is a schematic sectional view of a blade to show the action of the propeller part of an idling propeller used in the device. DESCRIPTION OF SYMBOLS 1...Hull, 2...Main engine, 3...Propeller shaft, 4...Screw propeller, 4a...Propeller boss of the screw propeller, 5...Propeller blade of the screw propeller, 6...Idle propeller, 6a...Propeller of the idle propeller Boss, 7...propeller blade of the free-rotating propeller,
7a...Turbine part of an idling propeller, 7b...Propeller part of an idling propeller, 8...Bossing, 9...Swaft generated by a screw propeller, 10...Rudder,
11... Stun frame, D, DT, D p ... Drag force,
F, FT, F p ... Circumferential component force, L, LT, L p ...
Lift force, R, RT, R p ...Resultant force, T...Forward thrust generated in the screw propeller, T p ...
Forward thrust generated in the propeller section of the idling propeller, TT...Drag force generated in the turbine section of the idling propeller, Ta...Thrust of the entire ship equipped with the ship propulsion performance improvement device of the present invention, W, W
T, W p ...Velocity of the flow flowing into the propeller.
Claims (1)
ープロペラと同一の軸心線のまわりに自由に回転
しうる遊転プロペラをそなえて、同遊転プロペラ
の各翼の回転中心寄りに上記スクリユープロペラ
の後流で回転駆動されるタービン部をそなえると
ともに、同タービン部に接続されたプロペラ部を
そなえ、上記スクリユープロペラの各翼が、その
回転方向と逆向きにスキユーを形成され、上記遊
転プロペラの各翼のタービン部が、その回転方向
と同じ向きにスキユーを形成されていることを特
徴とする、船舶の推進性能向上装置。 An idling propeller that can freely rotate around the same axis as the screw propeller is provided behind the screw propeller of the ship, and a idling propeller is provided near the center of rotation of each blade of the idling propeller. The screw propeller includes a turbine section that is rotationally driven by the wake, and a propeller section that is connected to the turbine section, each blade of the screw propeller forming a skew in the opposite direction to the rotation direction of the screw propeller. A propulsion performance improving device for a ship, characterized in that a turbine section of each blade is formed with a skew in the same direction as its rotation direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6910186U JPH053434Y2 (en) | 1986-05-07 | 1986-05-07 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6910186U JPH053434Y2 (en) | 1986-05-07 | 1986-05-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS62179897U true JPS62179897U (en) | 1987-11-14 |
JPH053434Y2 JPH053434Y2 (en) | 1993-01-27 |
Family
ID=30909514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6910186U Expired - Lifetime JPH053434Y2 (en) | 1986-05-07 | 1986-05-07 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH053434Y2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0811786A (en) * | 1994-06-27 | 1996-01-16 | Mitsubishi Heavy Ind Ltd | Skewed propeller |
KR100394485B1 (en) * | 2000-12-01 | 2003-08-09 | 현대중공업 주식회사 | Multi-purposed stator |
-
1986
- 1986-05-07 JP JP6910186U patent/JPH053434Y2/ja not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0811786A (en) * | 1994-06-27 | 1996-01-16 | Mitsubishi Heavy Ind Ltd | Skewed propeller |
KR100394485B1 (en) * | 2000-12-01 | 2003-08-09 | 현대중공업 주식회사 | Multi-purposed stator |
Also Published As
Publication number | Publication date |
---|---|
JPH053434Y2 (en) | 1993-01-27 |
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