(19)
(11) EP 4 059 830 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
12.10.2022 Bulletin 2022/41

(43) Date of publication A2:
21.09.2022 Bulletin 2022/38

(21) Application number: 22159192.8

(22) Date of filing: 28.02.2022
(51) International Patent Classification (IPC): 
B63H 5/08(2006.01)
B63H 5/16(2006.01)
 B63H 5/14(2006.01)
(52) Cooperative Patent Classification (CPC):
B63H 5/14; B63H 5/16; B63H 5/08
(84) Designated Contracting States:
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 States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 15.03.2021 JP 2021041044

(71) Applicant: Mitsubishi Heavy Industries, Ltd.
Tokyo 1008332 (JP)

(72) Inventors:
  • YAMADA, Takuyoshi
    Tokyo, 1008332 (JP)
  • KAWABUCHI, Makoto
    Tokyo, 1008332 (JP)
  • HOSONO, Kazuki
    Tokyo, 1008332 (JP)
  • KUBOTA, Masaya
    Tokyo, 1008332 (JP)

(74) Representative: Studio Torta S.p.A. 
Via Viotti, 9
10121 Torino
10121 Torino (IT)

   


(54) MARINE PROPULSOR, MARINE VESSEL


(57) 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.







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Search report