Fuel cell system and method of driving the same
First Claim
1. A fuel cell system for supplying electricity to a load system, the fuel cell system comprising:
- a fuel cell unit generating electricity from air and fuel;
a power supply unit supplying the load system with electricity, the power supply unit being charged with the electricity generated from the fuel cell unit in a selective manner;
a control unit monitoring a charge condition of the power supply unit and operating the fuel cell unit in order to charge the power supply unit when the power supply unit is discharged to a first predetermined level or lower; and
an output unit supplying the electricity output from the power supply unit to the load system.
1 Assignment
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Accused Products
Abstract
A fuel cell system for supplying electricity to a load system, the fuel cell system comprising a fuel cell unit generating electricity from air and fuel, a power supply unit supplying the load system with electricity, the power supply unit being charged with the electricity generated from the fuel cell unit in a selective manner, a control unit monitoring a charge condition of the power supply unit and operating the fuel cell unit in order to charge the power supply unit when the power supply unit is discharged to a predetermined level or lower and an output unit supplying the electricity output from the power supply unit to the load system.
7 Citations
20 Claims
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1. A fuel cell system for supplying electricity to a load system, the fuel cell system comprising:
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a fuel cell unit generating electricity from air and fuel;
a power supply unit supplying the load system with electricity, the power supply unit being charged with the electricity generated from the fuel cell unit in a selective manner;
a control unit monitoring a charge condition of the power supply unit and operating the fuel cell unit in order to charge the power supply unit when the power supply unit is discharged to a first predetermined level or lower; and
an output unit supplying the electricity output from the power supply unit to the load system. - View Dependent Claims (2, 3, 4, 5)
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6. A fuel cell system for supplying electricity to a load system, the fuel cell system comprising:
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a power supply unit adapted to output electricity to said load system;
a fuel cell unit adapted to receive air and fuel, to generate electricity therefrom, and to output the generated electricity to the power supply unit;
a sensor adapted to determine a charge condition of the power supply unit; and
a control unit coupled to the sensor and adapted to control the generation of electricity from the fuel cell unit based on the determined charge condition. - View Dependent Claims (7, 8)
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9. A method of driving a fuel cell system for supplying a load system with electricity, the fuel cell system including a fuel cell unit and a power supply unit, the method comprising:
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supplying the load system with electricity from the power supply unit;
monitoring a charge condition of the power supply unit to determine whether or not the power supply unit is discharged below a first predetermined level; and
operating the fuel cell unit to generate electricity and charging the power supply unit with the generated electricity when it is determined that the power supply unit is discharged to below the first predetermined level. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A method of driving a fuel cell system for supplying a load system with electricity, the fuel cell system including a fuel cell unit and a power supply unit, the method comprising:
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supplying the load system with electricity from the power supply unit;
determining a charge level of the power supply unit; and
selectively supplying electricity from the fuel cell unit to the power supply unit based on the determined charge level. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification