FUEL CELL SYSTEM

A fuel cell system includes an evaporating portion, a reforming portion forming an anode fluid, a fuel cell generating an electric power, a tank, a water supply passage connecting the tank and the evaporating portion and allowing water in the tank to be supplied to the evaporating portion, a water s...

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Bibliographic Details
Main Authors NENDAI SHINJI, YABUTANI MOTOHIKO
Format Patent
LanguageEnglish
Published 26.07.2012
Subjects
BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS THEREOF
CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS
CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:A fuel cell system includes an evaporating portion, a reforming portion forming an anode fluid, a fuel cell generating an electric power, a tank, a water supply passage connecting the tank and the evaporating portion and allowing water in the tank to be supplied to the evaporating portion, a water supply source provided at the water supply passage to transmit the water in the tank to the evaporating portion, a stepping motor driving the water supply source, and a control portion driving the stepping motor to transmit the water in the tank to the evaporating portion. The control portion performs a harmful vibration restraining process to change a resonance frequency of the stepping motor by changing the number of steps per rotation of the stepping motor based on a volume of the water transmitted to the evaporating portion per time unit.
Bibliography:Application Number: US201213354872