ATBECHDEDKESFRGBGRITLILUNLSEMCPTIESILTLVFIROMKCYALTRBGCZEEHUPLSKBAHRIS..MTNORSMESMMAKHTNMD..........JBDM Ver 2.0.16 (1th of February 2022) - 1620000/04059830EUROPEAN PATENT APPLICATIONA320221012EP22159192.820220228enenen202104104420210315JP2022101220224120220921202238B63H 5/08 20060101AFI20220902BHEP B63H 5/14 20060101ALI20220902BHEP B63H 5/16 20060101ALI20220902BHEP B63H 5/14 20130101 FI20220816BHEP B63H 5/16 20130101 LI20220816BHEP B63H 5/08 20130101 LI20220816BHEP deSCHIFFSANTRIEB, WASSERFAHRZEUGenMARINE PROPULSOR, MARINE VESSELfrPROPULSEUR MARIN, NAVIRE MARIN2Mitsubishi Heavy Industries, Ltd.101828513W9063/22-EP2-3, Marunouchi 3-chome, Chiyoda-ku,Tokyo 1008332JPYAMADA, TakuyoshiTokyo, 1008332JPKAWABUCHI, MakotoTokyo, 1008332JPHOSONO, KazukiTokyo, 1008332JPKUBOTA, MasayaTokyo, 1008332JPStudio Torta S.p.A.101577269Via Viotti, 910121 TorinoITALATBEBGCHCYCZDEDKEEESFIFRGBGRHRHUIEISITLILTLULVMCMKMTNLNOPLPTRORSSESISKSMTRBAMEKHMAMDTN20221012202241

Object

To improve the propulsion efficiency of a marine propulsor including a duct and a propeller rotatably disposed within the duct.

Solving Means

A 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.

W9063/22-EPEP22159192.8Mitsubishi Heavy Industries, Ltd.2DH20220908B63HDE2640077A1STAEGE RUEDIGER19780316X1-5,7-11Y6* figures *DE426521CRUDOLF WAGNER DR19270128X1Y6* figures *US2014041571A1IGARI SEIICHI [JP]20140213X1* paragraph [0062]; figure 6 *US2012071046A1MATSUMOTO DAISUKE [JP]20120322A5* figure 1 *Balzer, RalfThe Hague20220824DE2640077A119780316NONEDE426521C19270128NONEUS2014041571A120140213NONEUS2012071046A120120322CN102448811A20120509EP2500260A120120919JP5582761B220140903JP2011098678A20110519KR20120011066A20120206US2012071046A120120322WO2011055557A120110512