Patent ID: 7442101
Filing Date: 2008-10-28
Classification: B63B,B63H,B63J

Abstract:
1. A power supply system for a networking system of a boat having a plurality of engines, a plurality of devices disposed in an operator's area of a hull of a boat, a plurality of propulsion units, including at least a first propulsion unit, supported by the hull, a plurality of engines having engine controllers and being configured to power the respective propulsion units, a networking system comprising a communication network between the devices and the engine controllers, a plurality of batteries, including at least a first battery, corresponding to the plurality of engines and connected to the respective engines through a plurality of respective power switches, including at least a first power switch, the first power switch connecting the first battery to the first propulsion unit, the power supply system comprising a system power supply circuit configured to connect the first battery to the networking system, a plurality of switching circuits configured to connect the first battery to the networking system while bypassing the first power switch, and drive circuits configured to turning on and off the switching circuits as interlocked with power switches other than the first power switch.