[Problem] There is provided an exhaust system capable of sufficiently exhausting a fuel leakage gas leaked from a marine internal combustion engine without diffusing the fuel leakage gas into an engine room.[Solution] An exhaust system according to an aspe...

The electrical accumulator (1) has positive and negative poles (3,4) that are provided in conductive connection with accumulator element (2). An electric motor is connected to the positive and negative poles, and water sensor (5) is provided for determinin...