JPS57158191A - Fin type device for improving propelling performance - Google Patents

Fin type device for improving propelling performance

Info

Publication number
JPS57158191A
JPS57158191A JP4449781A JP4449781A JPS57158191A JP S57158191 A JPS57158191 A JP S57158191A JP 4449781 A JP4449781 A JP 4449781A JP 4449781 A JP4449781 A JP 4449781A JP S57158191 A JPS57158191 A JP S57158191A
Authority
JP
Japan
Prior art keywords
ring strut
propelling performance
auxiliary blade
propeller
type device
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
JP4449781A
Other languages
Japanese (ja)
Other versions
JPS6216877B2 (en
Inventor
Shinya Tsuda
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP4449781A priority Critical patent/JPS57158191A/en
Publication of JPS57158191A publication Critical patent/JPS57158191A/en
Publication of JPS6216877B2 publication Critical patent/JPS6216877B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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)

Abstract

PURPOSE:To improve propelling performance and facilitate production of a propeller by providing an auxiliary blade near and along the lower front edge of a ring strut. CONSTITUTION:A fin type device 7 for improving propelling performance comprises a boss 8 surrounding a propeller shaft, a plurality of fin members 9 provided radially of the boss 8 and a ring strut 10 interconnecting the outer ends of the fin members 9 and having a stream line section. A pair of small brackets 12 are secured fixedly to the lower front edge of the ring strut 10 and an auxiliary blade 13 spans the pair of the small brackets. In this device, a substantial angle of incidence of the ring strut 10 in a portion on which the auxiliary blade 13 is mounted can be varied from theta0 to theta1 so that a propeller can adapt itself delicately to ascending flow 11 produced near the lower portion of the ring strut by the advance of a ship to provide a satisfactory propelling performance.
JP4449781A 1981-03-26 1981-03-26 Fin type device for improving propelling performance Granted JPS57158191A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4449781A JPS57158191A (en) 1981-03-26 1981-03-26 Fin type device for improving propelling performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4449781A JPS57158191A (en) 1981-03-26 1981-03-26 Fin type device for improving propelling performance

Publications (2)

Publication Number Publication Date
JPS57158191A true JPS57158191A (en) 1982-09-29
JPS6216877B2 JPS6216877B2 (en) 1987-04-15

Family

ID=12693185

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4449781A Granted JPS57158191A (en) 1981-03-26 1981-03-26 Fin type device for improving propelling performance

Country Status (1)

Country Link
JP (1) JPS57158191A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61105297U (en) * 1984-12-17 1986-07-04
EP2298640A1 (en) * 2009-09-17 2011-03-23 Daewoo Shipbuilding&Marine Engineering Co., Ltd. Ducted pre-swirl stator assembly
US8123578B2 (en) 2008-03-10 2012-02-28 Becker Marine Systems Gmbh & Co. Device for reducing the power demand for the propulsion of a ship
CN106043641A (en) * 2016-07-06 2016-10-26 中船重工（上海）节能技术发展有限公司 Annular flow guide gate for ship
AT525998A4 (en) * 2022-05-12 2023-10-15 Hydro Impulse Systems Gmbh Drive unit for a watercraft with water guiding elements

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61105297U (en) * 1984-12-17 1986-07-04
US8123578B2 (en) 2008-03-10 2012-02-28 Becker Marine Systems Gmbh & Co. Device for reducing the power demand for the propulsion of a ship
US8430703B2 (en) 2008-03-10 2013-04-30 Becker Marine Systems Gmbh & Co. Kg Device for reducing the drive power requirement of a ship
EP2298640A1 (en) * 2009-09-17 2011-03-23 Daewoo Shipbuilding&Marine Engineering Co., Ltd. Ducted pre-swirl stator assembly
JP2011063258A (en) * 2009-09-17 2011-03-31 Daewoo Shipbuilding & Marine Engineering Co Ltd Front flow fixed wing body with duct
CN102020011A (en) * 2009-09-17 2011-04-20 大宇造船海洋株式会社 Ducted pre-swirl stator assembly
CN106043641A (en) * 2016-07-06 2016-10-26 中船重工（上海）节能技术发展有限公司 Annular flow guide gate for ship
AT525998A4 (en) * 2022-05-12 2023-10-15 Hydro Impulse Systems Gmbh Drive unit for a watercraft with water guiding elements
AT525998B1 (en) * 2022-05-12 2023-10-15 Hydro Impulse Systems Gmbh Drive unit for a watercraft with water guiding elements
WO2023215921A1 (en) 2022-05-12 2023-11-16 Hydro Impulse Systems Gmbh Drive unit for a water craft with water guiding elements

Also Published As

Publication number Publication date
JPS6216877B2 (en) 1987-04-15

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