In a fluid leakage detection apparatus, hydrogen is supplied from a hydrogen tank to an FC stack of a fuel cell via first and second pipes. An inlet valve is provided between the hydrogen tank and the first pipe, and an outlet valve is provided between the first pipe and the second pipe. A controller...http://www.google.de/patents/US6851298?utm_source=gb-gplus-sharePatent US6851298 - Fluid leakage detection apparatus and fluid leakage detection method
