PROPULSION DEVICE FOR MULTI-SHAFT SHIP

An appendage 8 for reducing a hub vortex is arranged, through a support 7 extending from a hull 2, behind a propeller (wing propeller) 4 having no rudder behind the propeller. The appendage 8 is in the form of a spindle having a circular cross-section in a direction perpendicular to a central axis o...

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Bibliographic Details
Main Authors YAMAUCHI Yutaka, MASUDA Satoshi, FUJISAWA Takeharu
Format Patent
LanguageEnglish
French
German
Published 18.08.2021
Subjects
MARINE PROPULSION OR STEERING
PERFORMING OPERATIONS
RELATED EQUIPMENT
SHIPS OR OTHER WATERBORNE VESSELS
TRANSPORTING
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Abstract An appendage 8 for reducing a hub vortex is arranged, through a support 7 extending from a hull 2, behind a propeller (wing propeller) 4 having no rudder behind the propeller. The appendage 8 is in the form of a spindle having a circular cross-section in a direction perpendicular to a central axis of the spindle along a hull and having a rear portion with gradually reduced diameters toward a rear end. The appendage 8 has a maximum diameter and a length along a hull which are 10-40% inclusive and 40-70% inclusive of the diameter of the propeller (wing propeller) 4, respectively.
AbstractList An appendage 8 for reducing a hub vortex is arranged, through a support 7 extending from a hull 2, behind a propeller (wing propeller) 4 having no rudder behind the propeller. The appendage 8 is in the form of a spindle having a circular cross-section in a direction perpendicular to a central axis of the spindle along a hull and having a rear portion with gradually reduced diameters toward a rear end. The appendage 8 has a maximum diameter and a length along a hull which are 10-40% inclusive and 40-70% inclusive of the diameter of the propeller (wing propeller) 4, respectively.
Author MASUDA Satoshi
YAMAUCHI Yutaka
FUJISAWA Takeharu
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DocumentTitleAlternate ANTRIEBSVORRICHTUNG FÜR MEHRWELLENSCHIFF
DISPOSITIF DE PROPULSION DE NAVIRE À ARBRES MULTIPLES
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Snippet An appendage 8 for reducing a hub vortex is arranged, through a support 7 extending from a hull 2, behind a propeller (wing propeller) 4 having no rudder...
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SubjectTerms MARINE PROPULSION OR STEERING
PERFORMING OPERATIONS
RELATED EQUIPMENT
SHIPS OR OTHER WATERBORNE VESSELS
TRANSPORTING
Title PROPULSION DEVICE FOR MULTI-SHAFT SHIP
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