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GB8718165D0 - Screw propeller boss cap - Google Patents

Screw propeller boss cap

Info

Publication number
GB8718165D0
GB8718165D0 GB878718165A GB8718165A GB8718165D0 GB 8718165 D0 GB8718165 D0 GB 8718165D0 GB 878718165 A GB878718165 A GB 878718165A GB 8718165 A GB8718165 A GB 8718165A GB 8718165 D0 GB8718165 D0 GB 8718165D0
Authority
GB
United Kingdom
Prior art keywords
screw propeller
propeller boss
boss cap
cap
screw
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
GB878718165A
Other versions
GB2194295B (en
GB2194295A (en
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.)
Mitsui OSK Lines Ltd
Original Assignee
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 Mitsui OSK Lines Ltd filed Critical Mitsui OSK Lines Ltd
Publication of GB8718165D0 publication Critical patent/GB8718165D0/en
Publication of GB2194295A publication Critical patent/GB2194295A/en
Application granted granted Critical
Publication of GB2194295B publication Critical patent/GB2194295B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H1/00Propulsive elements directly acting on water
    • B63H1/02Propulsive elements directly acting on water of rotary type
    • B63H1/12Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14Propellers
    • B63H1/28Other means for improving propeller efficiency
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H1/00Propulsive elements directly acting on water
    • B63H1/02Propulsive elements directly acting on water of rotary type
    • B63H1/12Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14Propellers
    • B63H1/28Other means for improving propeller efficiency
    • B63H2001/283Propeller 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)
GB8718165A 1986-07-31 1987-07-31 A screw propeller Expired - Lifetime GB2194295B (en)

Applications Claiming Priority (2)

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

Publications (3)

Publication Number Publication Date
GB8718165D0 true GB8718165D0 (en) 1987-09-09
GB2194295A GB2194295A (en) 1988-03-02
GB2194295B GB2194295B (en) 1991-03-20

Family

ID=26500707

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8718165A Expired - Lifetime GB2194295B (en) 1986-07-31 1987-07-31 A screw propeller

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
AU593670B2 (en) * 1986-07-31 1990-02-15 Mikado Propeller Co., 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
CN105377692B (en) * 2014-05-28 2018-02-13 韩国海洋科学技术院 Composite propeller hub cap for reducing rotational flow and hub vortex and improving propulsion 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
AU593670B2 (en) * 1986-07-31 1990-02-15 Mikado Propeller Co., Ltd. A screw propeller boss cap with fins

Also Published As

Publication number Publication date
GB2194295B (en) 1991-03-20
SG60592G (en) 1992-09-04
CA1289821C (en) 1991-10-01
HK85092A (en) 1992-11-13
AU593670B2 (en) 1990-02-15
GB2194295A (en) 1988-03-02
EP0255136A1 (en) 1988-02-03
AU7630187A (en) 1988-02-04
FR2619352A1 (en) 1989-02-17

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20070730