Patent ID: 11866140
Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHA
Field: Transport (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 7:
8. A marine propulsion system comprising:
a plurality of marine propulsion devices each including a propeller shaft, an engine, an electric motor, a power transmission, an electric circuit, and a controller, the power transmission to transmit mechanical power to the propeller shaft from at least one of the engine and the electric motor, the electric circuit being connected to the electric motor, and the controller being configured or programmed to control the engine; wherein
in each of the plurality of marine propulsion devices, the controller is configured or programmed to put a limitation on an output of the engine that is in a driving state when an engine in any other of the plurality of marine propulsion devices is not being driven.