FUEL CELL VEHICLE AND METHOD FOR CONTROLLING OPERATION OF THE SAME

A fuel cell vehicle includes a stack that generates electrical energy by a fuel gas, a blower that blows air into the stack, an air cut-off valve that is mounted on an air supply line, a bypass line diverged between the air cut-off valve and the blower and having an end portion that is opened, a byp...

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Bibliographic Details
Main Authors PARK JEONG KYU, KIM HYUN JUN, YE CHANG HWAN
Format Patent
LanguageEnglish
Published 02.02.2012
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:A fuel cell vehicle includes a stack that generates electrical energy by a fuel gas, a blower that blows air into the stack, an air cut-off valve that is mounted on an air supply line, a bypass line diverged between the air cut-off valve and the blower and having an end portion that is opened, a bypass valve that is mounted on the bypass line, and a control portion that closes the air cut-off valve and opens the bypass valve upon detecting an off signal for idle engine stop or a signal for turning off the engine. Therefore, if the fuel cell vehicle is in an idle stop condition, the blower supplying the stack with air stops operating, and simultaneously the bypass line is opened and the air cut-off valve is closed such that the air supplied to the stack can be securely cut off.
Bibliography:Application Number: US20100959472