EP 4059830 A3 20221012 - MARINE PROPULSOR, MARINE VESSEL
Title (en)
MARINE PROPULSOR, MARINE VESSEL
Title (de)
SCHIFFSANTRIEB, WASSERFAHRZEUG
Title (fr)
PROPULSEUR MARIN, NAVIRE MARIN
Publication
Application
Priority
JP 2021041044 A 20210315
Abstract (en)
ObjectTo improve the propulsion efficiency of a marine propulsor including a duct and a propeller rotatably disposed within the duct.Solving MeansA marine propulsor for propelling a marine vessel includes: a plurality of ducts arranged below a hull of the marine vessel along a width direction of the hull; and a propeller rotatably disposed inside each of the plurality of ducts, wherein when at least one pair of ducts adjacent to each other in the width direction among the plurality of ducts includes a one-side duct located on one side in the width direction and an other-side duct located on the other side in the width direction, a side surface of the one-side duct on the other side in the width direction is in contact with a side surface of the other-side duct on the one side in the width direction.
IPC 8 full level
B63H 5/08 (2006.01); B63H 5/14 (2006.01); B63H 5/16 (2006.01)
CPC (source: EP)
B63H 5/08 (2013.01); B63H 5/14 (2013.01); B63H 5/16 (2013.01)
Citation (search report)
- [XYI] DE 2640077 A1 19780316 - STAEGE RUEDIGER
- [XY] DE 426521 C 19270128 - RUDOLF WAGNER DR
- [X] US 2014041571 A1 20140213 - IGARI SEIICHI [JP]
- [A] US 2012071046 A1 20120322 - MATSUMOTO DAISUKE [JP]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 4059830 A2 20220921; EP 4059830 A3 20221012; JP 2022140948 A 20220929
DOCDB simple family (application)
EP 22159192 A 20220228; JP 2021041044 A 20210315