Patent ID: 7368197

Claim:
A fuel cell vehicle, driven by electrical power obtained by causing an electrochemical reaction between fuel gas and reactant gas, comprising a fuel cylinder for holding the fuel gas, a fuel cell stack structure including a fuel gas passage, a reactant gas passage and a cooling gas passage, a cooling gas supply passage for supplying cooling gas to the cooling gas passage, a reactant gas supply passage for supplying reactant gas to the reactant gas passage, a blowing passage branched at the cooling gas supply passage and the reactant gas supply passage, and air supply means for sucking in external air and pressure feeding to the blowing passage, said cooling gas supply passage being separate from said reactant gas supply passage, said fuel cell vehicle further including a bypass valve for controlling the external air so as to provide a supply of reactant gas to the reactant gas supply passage and for supplying a portion of the external air as cooling gas to the cooling gas supply passage.