| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fuel cell system equipped with a four-way valve capable of adequately connecting a reforming part of a reformer and a combustion part according to an operation state. <P>SOLUTION: When a valve element is rotated to a first state, by a first communication groove and a second communication groove formed on the outer peripheral surface of the valve element, a reformed gas leading out port of the reformer and the combustion part, and an off gas leading out part of a fuel cell and a reformed gas introduction port are communicated respectively, and when the valve element is rotated to a second state, the reformed gas leading out port of the reformer and the reformed gas introduction port of the fuel cell, and the offgas leading out port and the combustion part are communicated respectively. <P>COPYRIGHT: (C)2008,JPO&INPIT |
