(19)
(11) EP 4 755 788 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.07.2026 Bulletin 2026/28

(43) Date of publication A2:
10.06.2026 Bulletin 2026/24

(21) Application number: 25199349.9

(22) Date of filing: 01.09.2025
(51) International Patent Classification (IPC): 
B63H 21/17(2006.01)
 B63H 25/02(2006.01)
(52) Cooperative Patent Classification (CPC):
B63H 21/17; B63H 2025/026; B63H 25/02; B63H 2021/216; B63H 2020/003; B63H 21/213; B63H 2025/028; B63H 21/21; B63H 20/12; B63H 20/007; B63H 25/42; B63H 21/22
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH LA MA MD TN

(30) Priority: 06.12.2024 JP 2024212982

(71) Applicant: Yamaha Hatsudoki Kabushiki Kaisha
Iwata-shi, Shizuoka 438-8501 (JP)

(72) Inventor:
  • Anai, Masato
    Iwata-shi, Shizuoka, 4388501 (JP)

(74) Representative: Grünecker Patent- und Rechtsanwälte PartG mbB 
Leopoldstraße 4
80802 München
80802 München (DE)

   


(54) BOAT CONTROL SYSTEM AND BOAT


(57) A boat control system controls a boat. The boat control system includes a boat propulsion device and a specific device. The boat propulsion device includes an electric motor and a first controller that controls the drive of the electric motor. The specific device is communicatively connected to the first controller. The first controller performs a specific process other than the drive control of the electric motor based on information transmitted from the specific device.







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