Patent ID: 6866091

Claim:
A device for vaporizing and/or superheating a liquid fuel for a gas generation system of a fuel cell system having a fuel cell, the fuel cell or gas generation system producing exhaust gases, the device comprising: a heat exchanger having a first region and a second region, the first and the second region being separated from each other and being in heat-conductive contact with each other, and a liquid fuel being vaporized and/or superheated in the first region, the second region containing a catalyst for catalytic combustion; a line for supplying the exhaust gases to the second region; a line element for supplying additional liquid fuel to the line; and a connection element for supplying oxygen-containing gas to the line; the line, upstream of the heat exchanger in a flow direction of the exhaust gases having a narrowing in a region of the line element, and the narrowing being downstream of the connection element.