AU7630187A - A screw propeller boss cap with fins - Google Patents

A screw propeller boss cap with fins

Info

Publication number
AU7630187A
AU7630187A AU76301/87A AU7630187A AU7630187A AU 7630187 A AU7630187 A AU 7630187A AU 76301/87 A AU76301/87 A AU 76301/87A AU 7630187 A AU7630187 A AU 7630187A AU 7630187 A AU7630187 A AU 7630187A
Authority
AU
Australia
Prior art keywords
fins
screw propeller
propeller boss
boss cap
cap
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
AU76301/87A
Other versions
AU593670B2 (en
Inventor
Yoshio Kohno
Hajime Koizuka
Michihito Ogura
Kazuyuki Ouchi
Takashi Shiotsu
Toshinori Takeshita
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.)
WEST JAPAN FLUID ENGINEERING LABORATORY Co Ltd
Mitsui OSK Lines Ltd
Mikado Propeller Co Ltd
Original Assignee
MIKADO PROPELLER
WEST JAPAN FLUID ENG
Mitsui OSK Lines Ltd
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 by MIKADO PROPELLER, WEST JAPAN FLUID ENG, Mitsui OSK Lines Ltd filed Critical MIKADO PROPELLER
Publication of AU7630187A publication Critical patent/AU7630187A/en
Application granted granted Critical
Publication of AU593670B2 publication Critical patent/AU593670B2/en
Anticipated expiration legal-status Critical
Expired legal-status Critical Current

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
    • B63H1/28—Other means for improving propeller efficiency
    • 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
    • B63H2001/283—Propeller hub caps with fins having a pitch different from pitch of propeller blades, or a helix hand opposed to the propellers' helix hand

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)
  • Mixers Of The Rotary Stirring Type (AREA)
AU76301/87A 1986-07-31 1987-07-30 A screw propeller boss cap with fins Expired AU593670B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP18157786 1986-07-31
JP18889886 1986-08-11
JP61-188898 1986-08-11
JP61-181577 1986-08-11

Publications (2)

Publication Number Publication Date
AU7630187A true AU7630187A (en) 1988-02-04
AU593670B2 AU593670B2 (en) 1990-02-15

Family

ID=26500707

Family Applications (1)

Application Number Title Priority Date Filing Date
AU76301/87A Expired AU593670B2 (en) 1986-07-31 1987-07-30 A screw propeller boss cap with fins

Country Status (7)

Country Link
EP (1) EP0255136A1 (en)
AU (1) AU593670B2 (en)
CA (1) CA1289821C (en)
FR (1) FR2619352A1 (en)
GB (1) GB2194295B (en)
HK (1) HK85092A (en)
SG (1) SG60592G (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0255136A1 (en) * 1986-07-31 1988-02-03 Mitsui O.S.K. Lines, Ltd. A screw propeller boss cap with fins
JP2947357B2 (en) * 1989-08-18 1999-09-13 日産自動車株式会社 Propeller structure of high-speed boat
US5096383A (en) * 1989-11-02 1992-03-17 Deutsche Forschungsanstalt Fur Luft- Und Raumfahrt E.V. Propeller blades
EP0758606A1 (en) * 1995-08-16 1997-02-19 Schottel-Werft Josef Becker GmbH & Co KG. Hub cap for ship propellers
DE10152977C1 (en) 2001-10-26 2003-05-08 Howaldtswerke Deutsche Werft Device for counteracting flow vortices generated in the hub area of propellers and / or propeller drives in the surrounding fluid
FI115210B (en) 2002-12-20 2005-03-31 Abb Oy Device in a propulsion system
RU2584038C2 (en) * 2010-07-12 2016-05-20 Роллс-Ройс Актиеболаг Sea vessel to operate in ice conditions
DE102011055515A1 (en) * 2011-11-18 2013-05-23 Becker Marine Systems Gmbh & Co. Kg Propeller arrangement, in particular for watercraft
CN103115021B (en) * 2013-02-01 2015-03-04 华中科技大学 Vane wheel device
SG10201810020RA (en) * 2014-05-28 2018-12-28 Korea Inst Ocean Sci & Tech Combined propeller cap for reducing rotating flow and hub vortex and enhancing propulsive efficiency
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
US11713101B2 (en) 2020-12-04 2023-08-01 Jeffrey L. HATHAWAY Propeller hubcap

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE606119C (en) * 1933-11-12 1934-11-24 Nicholas Wladimir Akimoff Device to increase the efficiency of a screw propeller
GB652441A (en) * 1948-05-19 1951-04-25 Edward Shellberg Air deflectors for airplane propellers
GB752765A (en) * 1953-09-17 1956-07-11 United Aircraft Corp Improvements in or relating to a spinner construction for an aeronautical propeller
US2755868A (en) * 1953-09-17 1956-07-24 United Aircraft Corp Spinner construction for an aeronautical propeller
US3606579A (en) * 1969-01-22 1971-09-20 Henry Mehus Propeller
BE789482A (en) * 1971-10-04 1973-01-15 Gen Electric CONSTRUCTION OF DE-ICING WHEEL FOR TURBOMACHINE
DE3037369A1 (en) * 1980-09-01 1982-03-11 Escher Wyss Gmbh, 7980 Ravensburg Low drive marine screw - has set of vanes around rear end of hub smoothing water flow
EP0255136A1 (en) * 1986-07-31 1988-02-03 Mitsui O.S.K. Lines, Ltd. A screw propeller boss cap with fins

Also Published As

Publication number Publication date
FR2619352A1 (en) 1989-02-17
AU593670B2 (en) 1990-02-15
SG60592G (en) 1992-09-04
EP0255136A1 (en) 1988-02-03
GB2194295A (en) 1988-03-02
GB2194295B (en) 1991-03-20
CA1289821C (en) 1991-10-01
GB8718165D0 (en) 1987-09-09
HK85092A (en) 1992-11-13

Similar Documents

Publication Publication Date Title
AU6987787A (en) A propeller guard
AU585158B2 (en) Dual function cap
AU7567287A (en) A stabilized ibuprofen syrup
AU584406B2 (en) Helmet
AU588852B2 (en) A light radiator
AU6268486A (en) Propeller combination for a boat propeller unit
AU2887784A (en) Radiator cap
GB8622911D0 (en) Propeller module
AU590765B2 (en) A sail
AU7630187A (en) A screw propeller boss cap with fins
AU6466686A (en) A sail
AU6482786A (en) Verge unit with frangible feature
GB2192620B (en) Screw cap construction
AU6552786A (en) A light radiator
AU2452988A (en) Sail
AU590661B2 (en) Watercraft
AU6731087A (en) Resilient deformable flashing
AU5694086A (en) Screw cap opener
AU6341586A (en) Cap with separate nozzle
AU6265986A (en) Fueling vent assembly
AU5341886A (en) Sail assist unit
AU589422B2 (en) A vent assembly
AU8014187A (en) Improved light fitting end cap
AU7633187A (en) Razor with inclined head assembly
AU6260886A (en) Windmill with contra-rotating fans