Patent ID: 7771881

Claim:
A fuel supply unit for a reformer for generating a reforming gas containing hydrogen from a fuel through a catalytic reaction using thermal energy supplied by a burner, comprising: a main fuel tank for storing the fuel; an auxiliary fuel tank connected between the main fuel tank and the reformer; and a heating unit in connection with the auxiliary fuel tank to heat the fuel stored in the auxiliary fuel tank, wherein the heating unit is around an outer circumferential surface of the auxiliary fuel tank in a coil shape; wherein the connection between the main fuel tank and the auxiliary fuel tank and the connection between the auxiliary fuel tank and the reformer are configured to open and close according to an internal pressure of the auxiliary fuel tank; and wherein the connection between the main fuel tank and the auxiliary fuel tank is configured to be open when the connection between the auxiliary fuel tank and the reformer is closed, and configured to be closed when the connection between the auxiliary fuel tank and the reformer is open.