Power supply system for watercraft
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorMasaaki Mashimo
Life of this patent
Estimating the term…
Abstract
In a power supply system for a watercraft, a controller in a first state connects a first electric circuit to a third electric circuit to supply electric power from a first engine battery to an electric device, and disconnects a second electric circuit from the third electric circuit to charge a second engine battery by a second generator. In a second state, the controller connects the second electric circuit to the third electric circuit to supply the electric power from the second engine battery to the electric device, and disconnects the first electric circuit from the third electric circuit to charge the first engine battery by a first generator.
Claims20
A power supply system for a watercraft including a first outboard motor including a first engine and a first generator driven by the first engine, a second outboard motor including a second engine and a second generator driven by the second engine, and an electric device, the power supply system comprising:
- a first engine battery to supply an electric power to the first engine and to be charged by the first generator;
- a second engine battery to supply an electric power to the second engine and to be charged by the second generator;
- a power supply battery to supply an electric power to the electric device;
- a first electric circuit to connect the first engine battery and the first outboard motor;
- a second electric circuit to connect the second engine battery and the second outboard motor;
- a third electric circuit to connect the power supply battery and the electric device;
- at least one switch to switch a connection state between the first electric circuit, the second electric circuit, and the third electric circuit;
- and
- a controller configured or programmed to:
- control the at least one switch to switch the connection state to a plurality of states including at least one of a first state and a second state;
- in the first state, connect the first electric circuit to the third electric circuit to supply the electric power from the first engine battery to the electric device, and disconnect the second electric circuit from the third electric circuit to charge the second engine battery by the second generator;
- and
- in the second state, connect the second electric circuit to the third electric circuit to supply the electric power from the second engine battery to the electric device, and disconnect the first electric circuit from the third electric circuit to charge the first engine battery by the first generator.
A power supply system for a watercraft including a first marine propulsion device including a first engine and a first generator driven by the first engine, a second marine propulsion device including a second engine and a second generator driven by the second engine, and an electric device, the power supply system comprising:
- a first engine battery to supply an electric power to the first engine and to be charged by the first generator;
- a second engine battery to supply an electric power to the second engine and to be charged by the second generator;
- a power supply battery to supply an electric power to the electric device;
- a first electric circuit to connect the first engine battery and the first marine propulsion device;
- a second electric circuit to connect the second engine battery and the second marine propulsion device;
- a third electric circuit to connect the power supply battery and the electric device;
- at least one switch to switch a connection state between the first electric circuit, the second electric circuit, and the third electric circuit;
- and
- a controller configured or programmed to:
- control the at least one switch to switch the connection state to a plurality of states including at least one of a first state and a second state;
- in the first state, connect the first electric circuit to the third electric circuit to supply the electric power from the first engine battery to the electric device, and disconnect the second electric circuit from the third electric circuit to charge the second engine battery by the second generator;
- and
- in the second state, connect the second electric circuit to the third electric circuit to supply the electric power from the second engine battery to the electric device, and disconnect the first electric circuit from the third electric circuit to charge the first engine battery by the first generator.
Dependencies are inferred from the claim text.