The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 1992
Filed:
Feb. 07, 1991
Hidenobu Misawa, Toyoake, JP;
Hirotake Yamada, Nagoya, JP;
NGK Insulators, Ltd., , JP;
Abstract
A solid oxide fuel cell including a bottomprovided cylindrical solid oxide fuel cell element including at least an air electrode, a solid electrolyte and a fuel electrode, a gas feed pipe inserted into a cylindrical space and having a gas feeding portion for feeding an oxidizing gas or a fuel gas into the cylindrical space of the solid oxide fuel cell element. The gas feeding portion is provided at least in a lateral face of the gas feed pipe. Instead of or in addition to the gas feeding portion being provided in the lateral face of the gas feed pipe, a permeating amount of the gas passing through that portion of the porous cylindrical support tube which faces an upstream side of a stream of the gas flowing through the cylindrical space is made smaller than that of the gas passing through that portion of the porous cylindrical support tube which faces a downstream side of the gas stream.