Patent ID: 6998096

Claim:
A fuel reformer for solid-state polymer electrolyte fuel cells, comprising: a burner; a reforming portion surrounding the burner, the reforming portion having an inside portion, an outside portion arranged outside of the inside portion so as to be separated therefrom, a gas inlet provided to the outside portion at one end thereof in the axial direction and a gas exhaust provided to the inside portion at one end thereof in the axial direction, wherein the inside portion is communicated with the outside portion at the other end of the inside and outside portions; a heat exchanger having a higher temperature side connected directly with the exhaust of the reforming portion; a burner exhaust flow path associated with the burner, the burner gas exhaust flow path having an inner portion arranged inside of the inside portion of the reforming portion so as to be joined with the burner, an outer portion arranged outside of the outside portion of the reforming portion so as to be connected to the inner portion as well as to a burner exhaust gas exit.