Fuel cell system and method of computing fuel level

Details Fuel cell system and method of computing fuel level Fuel cell system and method of computing fuel level

2008-06-16

2010-11-23

Crepeau, Jonathan (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Fuel cell, subcombination thereof, or method of making or...

Process or means for control of operation

C429S506000, C429S512000, C429S515000

Reexamination Certificate

active

07838162

ABSTRACT:
The present embodiments relate to a fuel cell system having a cartridge stored with liquid fuel and a method of computing a fuel level remained in the cartridge. A fuel cell system of the present embodiments includes: a fuel cartridge for storing fuel; a fuel cell stack for generating power by means of the electrochemical reaction of fuel and oxygen; a fuel pump for sucking fuel stored in the fuel cartridge; a pressure sensor positioned in a fuel channel between a coupling unit of the fuel cartridge and the fuel pump; and a fuel level computing unit for computing a time point when the fuel in the fuel cartridge is almost exhausted. With the present embodiments, the fuel exhaustion in the cartridge can previously sensed at a low cost so that the damage of MEA in the fuel cell can be prevented and the inconvenience or the unexpected damage to a user can be prevented.

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