Patents Represented by Law Firm Parkhurt, Wendel & Rossi
  • Patent number: 5185219
    Abstract: A solid oxide fuel cell comprises a plate-like electrode body of porous ceramic having a plurality of gas flowing passages therein, a dense interconnector formed on the plate-like electrode body, a dense solid electrolyte film formed on the plate-like electrode body, an electrode film formed on the dense solid electrolyte film, a gas supply chamber, a dense partition member separating the gas supply chamber from an exhaust gas combustion chamber, and a partition member separating the exhaust gas combustion chamber from a power generation chamber. In this case, the oxidizing gas or fuel gas passing through the gas flowing passages is turned around an end portion of the fuel cell unit at the side of the power generation chamber and transferred toward the gas supply chamber and then discharged to the exhaust gas combustion chamber through a gas discharge port formed in the respective gas flowing passage.
    Type: Grant
    Filed: February 4, 1991
    Date of Patent: February 9, 1993
    Assignee: NGK Insulators, Ltd.
    Inventors: Takeshi Ishihara, Hidenobu Misawa