Patent ID: 8741497
Filing Date: 2014-06-03
Classification: H01M,Y02E

Abstract:
1. A fuel cell system comprising: a fuel cell; a fuel gas supply path which allows a fuel gas supplied upstream from a fuel supply source to flow downstream into the fuel cell; a variable gas supply device which regulates the gas pressure on the upstream side of the fuel gas supply path and which injects and supplies the fuel gas to the downstream side of the fuel gas supply path; and a surge tank which is provided in the fuel gas supply path on the upstream side from the variable gas supply device and which suppresses the fluctuation of the pressure of the gas in the fuel gas supply path, wherein the variable gas supply device is an electromagnetic driving type on-off valve which is detached from a valve seat when a valve disc is driven by an electromagnetic driving force at a predetermined driving period, wherein an inflow port of the fuel gas of the surge tank is provided in parallel with an outflow port of the fuel gas of the surge tank, wherein the inflow direction of the fuel gas into the inflow port is opposite to the outflow direction of the fuel gas through the outflow port; and wherein the inflow port is disposed on the upstream side of the outflow port.