JP6827034B2 - 船舶の推進装置 - Google Patents
船舶の推進装置 Download PDFInfo
- Publication number
- JP6827034B2 JP6827034B2 JP2018507869A JP2018507869A JP6827034B2 JP 6827034 B2 JP6827034 B2 JP 6827034B2 JP 2018507869 A JP2018507869 A JP 2018507869A JP 2018507869 A JP2018507869 A JP 2018507869A JP 6827034 B2 JP6827034 B2 JP 6827034B2
- Authority
- JP
- Japan
- Prior art keywords
- propeller
- pitch
- saving
- energy
- radius
- 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.)
- Active
Links
- 230000000694 effects Effects 0.000 description 7
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- 238000012790 confirmation Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
- B63H1/26—Blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
- B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
- B63H5/16—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in recesses; with stationary water-guiding elements; Means to prevent fouling of the propeller, e.g. guards, cages or screens
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Description
船尾部における伴流の前進速度が前記省エネ付加物の半径よりも内側で最小になる場合に、前記プロペラの翼のピッチが、前記省エネ付加物の半径よりも内側の半径方向位置で最小となる極小点をもつピッチ分布を有する。
本発明の船舶の推進装置において、前記省エネ付加物は円曲面を有する形状とすることができる。
3 翼
3a 翼端部
3b 翼根部
5 省エネ付加物
6 船尾ダクト(省エネ付加物)
7 実線(ピッチ分布)
O 軸心
r プロペラの半径
R 船尾ダクトの半径
S 極小点
Claims (4)
- プロペラの前方に、該プロペラの半径に対して50%以上80%以下の半径の曲面を有する省エネ付加物を備え、
船尾部における伴流の前進速度が前記省エネ付加物の半径よりも内側で最小になる場合に、前記プロペラの翼のピッチが、前記省エネ付加物の半径よりも内側の半径方向位置で最小となる極小点をもつピッチ分布を有する船舶の推進装置。 - 前記省エネ付加物は円曲面を有する、請求項1に記載の船舶の推進装置。
- 前記極小点は、前記プロペラの軸心から半径方向外側へ前記省エネ付加物の半径の50%以上100%以下離れた位置にある、請求項1または2に記載の船舶の推進装置。
- 前記極小点における前記プロペラの翼のピッチは、該プロペラの翼の翼端と翼根のピッチを直線補間して求められる値の80%以上100%未満である、請求項1〜3のいずれか一項に記載の船舶の推進装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2016/060054 WO2017168549A1 (ja) | 2016-03-29 | 2016-03-29 | 船舶の推進装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017168549A1 JPWO2017168549A1 (ja) | 2019-02-07 |
JP6827034B2 true JP6827034B2 (ja) | 2021-02-10 |
Family
ID=59963614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018507869A Active JP6827034B2 (ja) | 2016-03-29 | 2016-03-29 | 船舶の推進装置 |
Country Status (6)
Country | Link |
---|---|
JP (1) | JP6827034B2 (ja) |
KR (1) | KR20180128947A (ja) |
CN (1) | CN109070982A (ja) |
PH (1) | PH12018501768A1 (ja) |
SG (1) | SG11201806287WA (ja) |
WO (1) | WO2017168549A1 (ja) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57144188A (en) * | 1981-02-27 | 1982-09-06 | Nippon Kokan Kk <Nkk> | Manufacturing method of propeller for ship |
JP2555130Y2 (ja) * | 1989-02-27 | 1997-11-19 | 日立造船株式会社 | 船 舶 |
JPH10264890A (ja) * | 1997-03-28 | 1998-10-06 | Hitachi Zosen Corp | 船舶における推進装置 |
KR101917408B1 (ko) * | 2011-07-26 | 2018-11-09 | 고쿠리츠겐큐카이하츠호진 가이죠·고완·고쿠기쥬츠겐큐죠 | 소형 덕트가 달린 프로펠러 및 선박 |
CN202670083U (zh) * | 2012-06-18 | 2013-01-16 | 无锡市同创玻璃钢船艇厂 | 一种高效导管螺旋桨 |
CN204056274U (zh) * | 2014-06-24 | 2014-12-31 | 上海船舶运输科学研究所 | 船舶桨前节能附体结构 |
-
2016
- 2016-03-29 WO PCT/JP2016/060054 patent/WO2017168549A1/ja active Application Filing
- 2016-03-29 SG SG11201806287WA patent/SG11201806287WA/en unknown
- 2016-03-29 KR KR1020187030872A patent/KR20180128947A/ko not_active Application Discontinuation
- 2016-03-29 JP JP2018507869A patent/JP6827034B2/ja active Active
- 2016-03-29 CN CN201680084267.0A patent/CN109070982A/zh active Pending
-
2018
- 2018-08-17 PH PH12018501768A patent/PH12018501768A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
KR20180128947A (ko) | 2018-12-04 |
JPWO2017168549A1 (ja) | 2019-02-07 |
CN109070982A (zh) | 2018-12-21 |
WO2017168549A1 (ja) | 2017-10-05 |
PH12018501768A1 (en) | 2019-05-15 |
SG11201806287WA (en) | 2018-10-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6490595B2 (ja) | 船舶の推進装置 | |
KR101453210B1 (ko) | 익형 단면을 가지는 선미 장착 덕트 | |
JP7084053B2 (ja) | 小型ダクト付き船舶 | |
JP2006306304A (ja) | 推進装置及びその製造方法 | |
JP4382120B2 (ja) | ダクト付きタービンフィン | |
WO2015098665A1 (ja) | ダクト装置 | |
JP6827034B2 (ja) | 船舶の推進装置 | |
KR101066213B1 (ko) | 정체류 감소 및 전진력 발생 기능을 가지는 날개형 유동개선 장치 | |
KR102531811B1 (ko) | 선미 덕트를 가진 선미 형상 및 선박 | |
JP6444501B2 (ja) | 推進効率向上装置 | |
KR101523920B1 (ko) | 선박의 추진장치 | |
KR20150076705A (ko) | 선박용 덕트 | |
TWI508897B (zh) | 船舶之推進裝置及具備此裝置之船舶 | |
KR20120068250A (ko) | 선박용 덕트 구조체 | |
KR101589124B1 (ko) | 선박의 추진장치 | |
KR20160087005A (ko) | 선박의 빌지 볼텍스 억제용 날개장치 | |
JP6478228B2 (ja) | 船尾ダクトとフィンを有した船尾形状及び船舶 | |
KR100625849B1 (ko) | 리블렛 표면을 적용한 선박용 프로펠러 | |
KR102117384B1 (ko) | 선박용 덕트의 지지구조 | |
WO2013115658A1 (en) | Propeller | |
KR101475271B1 (ko) | 오픈 샤프트 선박의 유동제어장치 | |
JP6621911B2 (ja) | 揚力発生体 | |
US8042483B2 (en) | Apparatus for control of stator wakes | |
Ghassemi et al. | A New Implementation of Vortex Lattice Method Applied to the Hydrodynamic Performance of the Propeller-Rudder | |
KR20150076706A (ko) | 선박용 타원형 덕트의 지지구조 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20181228 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20191217 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200109 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200616 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200717 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20201222 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20210118 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6827034 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |