JPH0317996U - - Google Patents

Info

Publication number
JPH0317996U
JPH0317996U JP2018090U JP2018090U JPH0317996U JP H0317996 U JPH0317996 U JP H0317996U JP 2018090 U JP2018090 U JP 2018090U JP 2018090 U JP2018090 U JP 2018090U JP H0317996 U JPH0317996 U JP H0317996U
Authority
JP
Japan
Prior art keywords
propeller
diameter
nozzle
rear end
hull
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
Application number
JP2018090U
Other languages
Japanese (ja)
Other versions
JP2555130Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990020180U priority Critical patent/JP2555130Y2/en
Priority to KR2019910000418U priority patent/KR960005115Y1/en
Publication of JPH0317996U publication Critical patent/JPH0317996U/ja
Application granted granted Critical
Publication of JP2555130Y2 publication Critical patent/JP2555130Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Description

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

図面は本考案の一実施例を示すもので、第１図
は船尾部分の側面図、第２図はノズルの作用を説
明する概略断面図、第３図ａ，ｂ，ｃはプロペラ
半径方向位置と流速分布との関係を示すグラフ、
第４図はプロペラ直径に対するノズル後端部直径
比と流速比との関係を示すグラフ、第５図はプロ
ペラ直径に対するノズル後端面とプロペラ外周先
端部との水平距離の比と、変動圧力比および所要
動力比との関係を示すグラフである。 １……船舶、２……船体、３……プロペラ、４
……ノズル。 The drawings show one embodiment of the present invention; Fig. 1 is a side view of the stern section, Fig. 2 is a schematic cross-sectional view explaining the action of the nozzle, and Fig. 3 a, b, and c show the propeller radial position. A graph showing the relationship between and flow velocity distribution,
Fig. 4 is a graph showing the relationship between the nozzle rear end diameter ratio and flow velocity ratio with respect to the propeller diameter, and Fig. 5 is a graph showing the relationship between the horizontal distance between the nozzle rear end face and the propeller outer circumference tip with respect to the propeller diameter, and the fluctuation pressure ratio and It is a graph showing the relationship with the required power ratio. 1... Ship, 2... Hull, 3... Propeller, 4
……nozzle.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 船体の船尾部とプロペラとの間に、側面視形状
がほぼ逆三角形状のリング状ノズルを設け、かつ
このノズル後端部の直径がプロペラ直径の５０〜
８０％の大きさとなるようにするとともに、ノズ
ル後端面とプロペラ外周先端部との水平距離がプ
ロペラ直径の１０〜３０％となるようにしたこと
を特徴とする船舶。 A ring-shaped nozzle having an approximately inverted triangular shape in side view is provided between the stern of the hull and the propeller, and the diameter of the rear end of this nozzle is 50 to 50 mm larger than the propeller diameter.
80% of the diameter of the propeller, and the horizontal distance between the rear end face of the nozzle and the tip of the outer periphery of the propeller is 10 to 30% of the diameter of the propeller.
JP1990020180U 1989-02-27 1990-02-27 Ship Expired - Lifetime JP2555130Y2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1990020180U JP2555130Y2 (en) 1989-02-27 1990-02-27 Ship
KR2019910000418U KR960005115Y1 (en) 1990-02-27 1991-01-14 Nozzle of stern for ship

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2294989 1989-02-27
JP1-22949 1989-02-27
JP1990020180U JP2555130Y2 (en) 1989-02-27 1990-02-27 Ship

Publications (2)

Publication Number Publication Date
JPH0317996U true JPH0317996U (en) 1991-02-21
JP2555130Y2 JP2555130Y2 (en) 1997-11-19

Family

ID=31717438

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990020180U Expired - Lifetime JP2555130Y2 (en) 1989-02-27 1990-02-27 Ship

Country Status (1)

Country Link
JP (1) JP2555130Y2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008137462A (en) * 2006-11-30 2008-06-19 Ihi Marine United Inc Duct device for ship
JP2011025734A (en) * 2009-07-22 2011-02-10 Universal Shipbuilding Corp Compound energy-saving propulsion system for ship, and single-screw twin-rudder ship
JP2011042204A (en) * 2009-08-20 2011-03-03 Universal Shipbuilding Corp Complex type energy-saving propulsion device for vessel and single-screw twin-rudder vessel
JP2011042201A (en) * 2009-08-20 2011-03-03 Universal Shipbuilding Corp Stern duct with small blades and vessel
WO2013014938A1 (en) 2011-07-26 2013-01-31 独立行政法人海上技術安全研究所 Propeller with small duct, and ship
WO2017168549A1 (en) * 2016-03-29 2017-10-05 ジャパンマリンユナイテッド株式会社 Ship propulsion device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54115892A (en) * 1978-02-27 1979-09-08 Hitachi Zosen Corp Ship
JPS58149292U (en) * 1982-03-31 1983-10-06 日立造船株式会社 stern nozzle
JPS58194691A (en) * 1982-05-04 1983-11-12 ヘルベルト・シユネ−クル−ト Water-current inducing surface of stern of screw propeller ship

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54115892A (en) * 1978-02-27 1979-09-08 Hitachi Zosen Corp Ship
JPS58149292U (en) * 1982-03-31 1983-10-06 日立造船株式会社 stern nozzle
JPS58194691A (en) * 1982-05-04 1983-11-12 ヘルベルト・シユネ−クル−ト Water-current inducing surface of stern of screw propeller ship

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008137462A (en) * 2006-11-30 2008-06-19 Ihi Marine United Inc Duct device for ship
JP2011025734A (en) * 2009-07-22 2011-02-10 Universal Shipbuilding Corp Compound energy-saving propulsion system for ship, and single-screw twin-rudder ship
JP2011042204A (en) * 2009-08-20 2011-03-03 Universal Shipbuilding Corp Complex type energy-saving propulsion device for vessel and single-screw twin-rudder vessel
JP2011042201A (en) * 2009-08-20 2011-03-03 Universal Shipbuilding Corp Stern duct with small blades and vessel
WO2013014938A1 (en) 2011-07-26 2013-01-31 独立行政法人海上技術安全研究所 Propeller with small duct, and ship
EP3495257A1 (en) 2011-07-26 2019-06-12 National Institute of Maritime, Port and Aviation Technology Propeller setting small duct, and ship
WO2017168549A1 (en) * 2016-03-29 2017-10-05 ジャパンマリンユナイテッド株式会社 Ship propulsion device
CN109070982A (en) * 2016-03-29 2018-12-21 日本日联海洋株式会社 The propulsion device of ship

Also Published As

Publication number Publication date
JP2555130Y2 (en) 1997-11-19

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term