EP3150482A4 - Combined propeller cap for reducing rotating flow and hub vortex and enhancing propulsion efficiency - Google Patents

Combined propeller cap for reducing rotating flow and hub vortex and enhancing propulsion efficiency Download PDF

Info

Publication number
EP3150482A4
EP3150482A4 EP15799494.8A EP15799494A EP3150482A4 EP 3150482 A4 EP3150482 A4 EP 3150482A4 EP 15799494 A EP15799494 A EP 15799494A EP 3150482 A4 EP3150482 A4 EP 3150482A4
Authority
EP
European Patent Office
Prior art keywords
rotating flow
propulsion efficiency
hub vortex
propeller cap
reducing rotating
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
EP15799494.8A
Other languages
German (de)
French (fr)
Other versions
EP3150482A1 (en
EP3150482B1 (en
Inventor
Han Shin Seol
Bu Geun Paik
Kyung Youl Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Korea Institute of Ocean Science and Technology KIOST
Original Assignee
Korea Institute of Ocean Science and Technology KIOST
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
Priority claimed from KR1020140064150A external-priority patent/KR101439134B1/en
Priority claimed from KR1020140121285A external-priority patent/KR101464570B1/en
Priority claimed from KR1020150030443A external-priority patent/KR20160107551A/en
Application filed by Korea Institute of Ocean Science and Technology KIOST filed Critical Korea Institute of Ocean Science and Technology KIOST
Publication of EP3150482A1 publication Critical patent/EP3150482A1/en
Publication of EP3150482A4 publication Critical patent/EP3150482A4/en
Application granted granted Critical
Publication of EP3150482B1 publication Critical patent/EP3150482B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B63H1/20—Hubs; Blade connections
    • 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
    • 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
    • B63H1/28—Other means for improving propeller efficiency

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)
  • Prevention Of Electric Corrosion (AREA)
EP15799494.8A 2014-05-28 2015-05-22 Combined propeller cap for reducing rotating flow and hub vortex and enhancing propulsion efficiency Active EP3150482B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020140064150A KR101439134B1 (en) 2014-05-28 2014-05-28 Propeller cap for minimizing hub vortex cavitation and improving propulsion efficiency
KR1020140121285A KR101464570B1 (en) 2014-09-12 2014-09-12 Propeller cap for minimizing hub vortex cavitation
KR1020150030443A KR20160107551A (en) 2015-03-04 2015-03-04 Multi-shape propeller cap with guide fins for minimizing rotational flow and hub vortex and improving propulsion efficiency
PCT/KR2015/005184 WO2015182931A1 (en) 2014-05-28 2015-05-22 Combined propeller cap for reducing rotating flow and hub vortex and enhancing propulsion efficiency

Publications (3)

Publication Number Publication Date
EP3150482A1 EP3150482A1 (en) 2017-04-05
EP3150482A4 true EP3150482A4 (en) 2018-01-17
EP3150482B1 EP3150482B1 (en) 2020-07-01

Family

ID=54699208

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15799494.8A Active EP3150482B1 (en) 2014-05-28 2015-05-22 Combined propeller cap for reducing rotating flow and hub vortex and enhancing propulsion efficiency

Country Status (4)

Country Link
EP (1) EP3150482B1 (en)
CN (1) CN105377692B (en)
SG (2) SG10201810020RA (en)
WO (1) WO2015182931A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6812057B2 (en) * 2017-06-21 2021-01-13 ナカシマプロペラ株式会社 Propulsion device for ships and ships equipped with it
CN108058785A (en) * 2017-12-14 2018-05-22 九江精密测试技术研究所 A kind of low noise propeller of ship propeller rudder system and its design method of attached body
CN110219130B (en) * 2018-03-02 2023-05-12 青岛海尔洗衣机有限公司 Pulsator and laundry treating apparatus including the same
CN109625222B (en) * 2018-12-27 2020-10-13 自然资源部第一海洋研究所 Scientific investigation ship with pod type electric propulsion system
CN113320671A (en) * 2021-06-30 2021-08-31 中国船舶科学研究中心 Energy-saving propeller hub cap with notch

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH032895U (en) * 1989-05-31 1991-01-11
DE19622829A1 (en) * 1995-08-16 1997-02-20 Schottel Werft Hub cap for propellers
KR20110138858A (en) * 2010-06-22 2011-12-28 주식회사 석진금속 Propeller hub cap with fin for ship decreasing hub voltex

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62162197U (en) * 1986-04-07 1987-10-15
JPH07121716B2 (en) * 1986-07-16 1995-12-25 大阪商船三井船舶株式会社 Propeller boss cap with fins
AU593670B2 (en) * 1986-07-31 1990-02-15 Mikado Propeller Co., Ltd. A screw propeller boss cap with fins
AU2006233263B2 (en) * 2006-10-02 2012-05-03 Aon Invent Llc Safety propeller
DE102011055515A1 (en) * 2011-11-18 2013-05-23 Becker Marine Systems Gmbh & Co. Kg Propeller arrangement, in particular for watercraft
CN103857589B (en) * 2012-09-13 2016-10-26 现代重工业株式会社 There is the propeller hub cap of fin
KR101403618B1 (en) * 2012-09-20 2014-06-05 대우조선해양 주식회사 Propeller system for vessel
KR101439134B1 (en) * 2014-05-28 2014-09-12 한국해양과학기술원 Propeller cap for minimizing hub vortex cavitation and improving propulsion efficiency
KR101464570B1 (en) * 2014-09-12 2014-11-24 한국해양과학기술원 Propeller cap for minimizing hub vortex cavitation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH032895U (en) * 1989-05-31 1991-01-11
DE19622829A1 (en) * 1995-08-16 1997-02-20 Schottel Werft Hub cap for propellers
KR20110138858A (en) * 2010-06-22 2011-12-28 주식회사 석진금속 Propeller hub cap with fin for ship decreasing hub voltex

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015182931A1 *

Also Published As

Publication number Publication date
CN105377692A (en) 2016-03-02
WO2015182931A1 (en) 2015-12-03
EP3150482A1 (en) 2017-04-05
SG11201609082YA (en) 2016-12-29
EP3150482B1 (en) 2020-07-01
CN105377692B (en) 2018-02-13
SG10201810020RA (en) 2018-12-28

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