KR100700375B1 - 선박용 물분사 추진장치를 위한 임펠러 - Google Patents
선박용 물분사 추진장치를 위한 임펠러 Download PDFInfo
- Publication number
- KR100700375B1 KR100700375B1 KR1020000061964A KR20000061964A KR100700375B1 KR 100700375 B1 KR100700375 B1 KR 100700375B1 KR 1020000061964 A KR1020000061964 A KR 1020000061964A KR 20000061964 A KR20000061964 A KR 20000061964A KR 100700375 B1 KR100700375 B1 KR 100700375B1
- Authority
- KR
- South Korea
- Prior art keywords
- blade
- impeller
- tip
- skew
- leading edge
- Prior art date
Links
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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
- B63H1/18—Propellers with means for diminishing cavitation, e.g. supercavitation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
- B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
- B63H11/08—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2277—Rotors specially for centrifugal pumps with special measures for increasing NPSH or dealing with liquids near boiling-point
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H11/00—Marine propulsion by water jets
- B63H11/02—Marine propulsion by water jets the propulsive medium being ambient water
- B63H11/04—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps
- B63H11/08—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type
- B63H2011/081—Marine propulsion by water jets the propulsive medium being ambient water by means of pumps of rotary type with axial flow, i.e. the axis of rotation being parallel to the flow direction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Hydraulic Turbines (AREA)
- Paper (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Automatic Cycles, And Cycles In General (AREA)
Abstract
Description
Claims (10)
- 각각 전연부를 갖는 복수의 블레이드(44)를 구비하는 선박용 물분사 추진장치를 위한 임펠러에 있어서,상기 각 블레이드의 전연부는 상기 블레이드(44)의 전연(52)의 스팬의 70% 이상을 따라 바깥쪽 팁(56)으로부터 안쪽으로 연장되는 전방으로 스큐된 영역을 갖는 것을 특징으로 하는 선박용 물분사 추진장치를 위한 임펠러.
- 제 1항에 있어서,각 블레이드(44)의 전방으로 스큐된 영역의 스큐는 바깥쪽 팁(56)에서 가장 크며, 35°이상의 스큐를 갖는 것을 특징으로 하는 선박용 물분사 추진장치를 위한 임펠러.
- 제 1항에 있어서,각 블레이드(44)의 전방으로 스큐된 영역의 스큐는 바깥쪽 팁(56)에서 가장 크며, 50°이상의 스큐를 갖는 것을 특징으로 하는 선박용 물분사 추진장치를 위한 임펠러.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,각 블레이드(44)의 현 길이는 전방으로 스큐된 영역에 대응하는 스팬의 일부에서 루트로부터 팁으로 향하는 방향으로 점진적으로 증가하며, 상기 블레이드(44) 섹션은 전연 스큐를 수용하도록 연장된 것을 특징으로 하는 선박용 물분사 추진장치를 위한 임펠러.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,투영 블레이드 면적 비율이 1.5 이상인 것을 특징으로 하는 선박용 물분사 추진장치를 위한 임펠러.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,상기 블레이드 섹션의 최대 두께 및 각 블레이드의 상기 전연의 반경은 모두 전방으로 스큐된 영역에 대응하는 스팬의 일부에서 루트로부터 팁으로 향하는 방향으로 점진적으로 증가하는 것을 특징으로 하는 선박용 물분사 추진장치를 위한 임펠러.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,각 블레이드의 상기 블레이드 섹션의 최대 두께 및 각 블레이드의 상기 전연의 반경은 모두 루트로부터 팁으로 향하는 방향으로 스팬의 외부 70% 이상을 따라 점진적으로 증가하는 것을 특징으로 하는 선박용 물분사 추진장치를 위한 임펠러.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,외주 팁 밴드가 상기 블레이드의 팁의 적어도 일부분에 부착되는 것을 특징으로 하는 선박용 물분사 추진장치를 위한 임펠러.
- 제 8항에 있어서,상기 팁 밴드는 블레이드의 축방향 연장부의 일부만을 따라 뻗어있는 것을 특징으로 하는 선박용 물분사 추진장치를 위한 임펠러.
- 제 8항에 있어서,상기 팁 밴드는 블레이드의 축방향 연장부의 전체를 따라 뻗어있는 것을 특징으로 하는 선박용 물분사 추진장치를 위한 임펠러.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/425,824 | 1999-10-22 | ||
US09/425,824 US6135831A (en) | 1999-10-22 | 1999-10-22 | Impeller for marine waterjet propulsion apparatus |
US9/425,824 | 1999-10-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010051173A KR20010051173A (ko) | 2001-06-25 |
KR100700375B1 true KR100700375B1 (ko) | 2007-03-27 |
Family
ID=23688182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000061964A KR100700375B1 (ko) | 1999-10-22 | 2000-10-20 | 선박용 물분사 추진장치를 위한 임펠러 |
Country Status (10)
Country | Link |
---|---|
US (1) | US6135831A (ko) |
EP (1) | EP1093999B1 (ko) |
JP (1) | JP4636668B2 (ko) |
KR (1) | KR100700375B1 (ko) |
AT (1) | ATE285356T1 (ko) |
AU (1) | AU775582B2 (ko) |
DE (1) | DE60016873T2 (ko) |
DK (1) | DK1093999T3 (ko) |
ES (1) | ES2234500T3 (ko) |
PT (1) | PT1093999E (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109278967A (zh) * | 2018-09-19 | 2019-01-29 | 中国舰船研究设计中心 | 开孔导流器以及基于开孔导流法的泵喷推进器 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6135831A (en) * | 1999-10-22 | 2000-10-24 | Bird-Johnson Company | Impeller for marine waterjet propulsion apparatus |
US20040258531A1 (en) * | 2000-04-21 | 2004-12-23 | Ling-Zhong Zeng | Fan blade |
US6814545B2 (en) * | 2000-04-21 | 2004-11-09 | Revcor, Inc. | Fan blade |
US6712584B2 (en) * | 2000-04-21 | 2004-03-30 | Revcor, Inc. | Fan blade |
TW587044B (en) * | 2001-11-01 | 2004-05-11 | Ishigaki Mech Ind | Water jet propelling device of yacht |
US6991499B2 (en) * | 2003-09-16 | 2006-01-31 | Honeywell International, Inc. | Waterjet propulsion apparatus |
US9153960B2 (en) | 2004-01-15 | 2015-10-06 | Comarco Wireless Technologies, Inc. | Power supply equipment utilizing interchangeable tips to provide power and a data signal to electronic devices |
KR100768128B1 (ko) * | 2004-10-05 | 2007-10-23 | (주)백산기계 | 선박용 스쿠루 프로펠러 |
DE102008046474B4 (de) * | 2008-09-09 | 2012-07-05 | Torsten Luther | Strömungsaggregat für Aquarien und Aquakulturen |
US8213204B2 (en) | 2009-04-01 | 2012-07-03 | Comarco Wireless Technologies, Inc. | Modular power adapter |
US8354760B2 (en) | 2009-10-28 | 2013-01-15 | Comarco Wireless Technologies, Inc. | Power supply equipment to simultaneously power multiple electronic device |
AU2012289899B2 (en) * | 2011-08-04 | 2017-05-18 | Hugh B. Nicholson | Aeration system |
US9758226B1 (en) | 2016-11-17 | 2017-09-12 | Birdon (Uk) Limited | Watercraft propulsion system |
CN106886630B (zh) * | 2017-01-16 | 2020-10-02 | 中国人民解放军海军工程大学 | 一种带分流短叶片的泵喷推进器水力模型和设计方法 |
CN106762807B (zh) * | 2017-02-28 | 2022-10-21 | 杭州大路实业有限公司 | 一种低比转速离心复合叶轮及其设计方法 |
PT3604117T (pt) * | 2018-08-03 | 2020-08-27 | Sealence S R L | Dispositivo de propulsão com jacto de popa para veículos náuticos |
CN110329478A (zh) * | 2019-06-18 | 2019-10-15 | 珠海超弦智能科技有限公司 | 一种用于船舶推进器的增压导流喷口 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3972646A (en) * | 1974-04-12 | 1976-08-03 | Bolt Beranek And Newman, Inc. | Propeller blade structures and methods particularly adapted for marine ducted reversible thrusters and the like for minimizing cavitation and related noise |
GB2007175A (en) * | 1977-10-11 | 1979-05-16 | Spijkstra S | Propellers |
US4789306A (en) * | 1985-11-15 | 1988-12-06 | Attwood Corporation | Marine propeller |
US5226804A (en) * | 1990-07-09 | 1993-07-13 | General Electric Canada Inc. | Propeller blade configuration |
JPH07196084A (ja) * | 1994-01-07 | 1995-08-01 | Ishikawajima Harima Heavy Ind Co Ltd | 舶用プロペラ |
KR960037512A (ko) * | 1995-04-29 | 1996-11-19 | 경주현 | 반류적합 선박용 프로펠러 |
US6135831A (en) * | 1999-10-22 | 2000-10-24 | Bird-Johnson Company | Impeller for marine waterjet propulsion apparatus |
Family Cites Families (4)
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AT276595B (de) * | 1967-08-12 | 1969-11-25 | Hoechst Ag | Verfahren zur Herstellung von neuen, wasserlöslichen Farbstoffen |
WO1983000125A1 (en) * | 1981-06-25 | 1983-01-20 | George Branko Skrinjar | Hydrojet |
US5123867A (en) * | 1990-05-10 | 1992-06-23 | Stefan Broinowski | Marine jet propulsion unit |
RU2127208C1 (ru) * | 1996-03-26 | 1999-03-10 | Балтийская машиностроительная компания Акционерное общество открытого типа "Балтийский завод" | Лопасть гидравлического движителя |
-
1999
- 1999-10-22 US US09/425,824 patent/US6135831A/en not_active Expired - Lifetime
-
2000
- 2000-10-11 AU AU65449/00A patent/AU775582B2/en not_active Expired
- 2000-10-19 AT AT00122786T patent/ATE285356T1/de active
- 2000-10-19 ES ES00122786T patent/ES2234500T3/es not_active Expired - Lifetime
- 2000-10-19 DK DK00122786T patent/DK1093999T3/da active
- 2000-10-19 DE DE60016873T patent/DE60016873T2/de not_active Expired - Lifetime
- 2000-10-19 EP EP00122786A patent/EP1093999B1/en not_active Expired - Lifetime
- 2000-10-19 PT PT00122786T patent/PT1093999E/pt unknown
- 2000-10-20 KR KR1020000061964A patent/KR100700375B1/ko active IP Right Grant
- 2000-10-23 JP JP2000323000A patent/JP4636668B2/ja not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3972646A (en) * | 1974-04-12 | 1976-08-03 | Bolt Beranek And Newman, Inc. | Propeller blade structures and methods particularly adapted for marine ducted reversible thrusters and the like for minimizing cavitation and related noise |
GB2007175A (en) * | 1977-10-11 | 1979-05-16 | Spijkstra S | Propellers |
US4789306A (en) * | 1985-11-15 | 1988-12-06 | Attwood Corporation | Marine propeller |
US5226804A (en) * | 1990-07-09 | 1993-07-13 | General Electric Canada Inc. | Propeller blade configuration |
JPH07196084A (ja) * | 1994-01-07 | 1995-08-01 | Ishikawajima Harima Heavy Ind Co Ltd | 舶用プロペラ |
KR960037512A (ko) * | 1995-04-29 | 1996-11-19 | 경주현 | 반류적합 선박용 프로펠러 |
US6135831A (en) * | 1999-10-22 | 2000-10-24 | Bird-Johnson Company | Impeller for marine waterjet propulsion apparatus |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109278967A (zh) * | 2018-09-19 | 2019-01-29 | 中国舰船研究设计中心 | 开孔导流器以及基于开孔导流法的泵喷推进器 |
CN109278967B (zh) * | 2018-09-19 | 2020-04-21 | 中国舰船研究设计中心 | 开孔导流器以及基于开孔导流法的泵喷推进器 |
Also Published As
Publication number | Publication date |
---|---|
AU775582B2 (en) | 2004-08-05 |
ES2234500T3 (es) | 2005-07-01 |
PT1093999E (pt) | 2005-04-29 |
DK1093999T3 (da) | 2005-01-24 |
DE60016873D1 (de) | 2005-01-27 |
EP1093999A2 (en) | 2001-04-25 |
ATE285356T1 (de) | 2005-01-15 |
EP1093999B1 (en) | 2004-12-22 |
AU6544900A (en) | 2001-04-26 |
JP4636668B2 (ja) | 2011-02-23 |
DE60016873T2 (de) | 2005-05-25 |
EP1093999A3 (en) | 2002-12-11 |
JP2001158396A (ja) | 2001-06-12 |
US6135831A (en) | 2000-10-24 |
KR20010051173A (ko) | 2001-06-25 |
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