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

Claim 0:
1. 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
the controllers in the plurality of marine propulsion devices are communicable with each other when in a communicable state; and
when the controller in each of the plurality of marine propulsion devices is in the communicable state, but one of the controllers is incommunicable with any other of the controllers, the controller that is being supplied with electric power is configured or programmed to put a limitation on an output of the engine controlled by the controller that is being supplied with electric power.