Patent ID: 8113034
Filing Date: 2012-02-14
Classification: G01N,H01M,Y02E,Y02T

Abstract:
1. A fuel cell system, comprising: a fuel cell configured to generate electricity with a fuel gas and an oxidant gas supplied thereto, a fuel gas container configured to contain a fuel gas therein, an electric power device configured to perform a power control of the fuel cell system and encased in a sealed container having a vent hole, a fuel gas holding portion configured to surround an upper portion of the fuel gas container, a gas sensor configured to detect a specific gas which is a subject for detection and comprising a gas sensing part having a downward opening, configured to be installed in the fuel gas holding portion and to detect a fuel gas staying in the fuel gas holding portion, first piping configured to lead an inspection gas to the gas sensor and to spray the inspection gas onto the gas sensing part from an end portion of the first piping, and second piping which comprises a channel communicating with the sealed container and extending from the vent hole, wherein at least a portion of the first piping connected to the second piping serves as ventilating piping for the electric power device.