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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.:

US 5587251 B1

PDFFull Text
Date of Patent:
Dec. 24, 1996

Filed:

Dec. 17, 1993

Ceramic gas supply components for fuel cells comprising zirconium oxide

Applicant:
Inventors:

Richard Spaeh, Ueberlingen, DE;

Wolfgang Schaefer, Friedrichshafen, DE;

Detlef Stolten, Uhldingen, DE;

Marco Fandel, Immentaad, DE;

Assignee:

Dornier GmbH, Immenstaad, DE;

Attorney:

Evenson, McKeown, Edwards & Lenahan

Primary Examiner:

George Fourson

Assistant Examiner:

C Everhart

Int. Cl.
CPC ...
H01M / ; H01M / ;
U.S. Cl.
CPC ...
429 33 ; 429 34 ;
Abstract

Electrically insulating ceramic gas supply plenums for solid electrolyte fuel cells in which the plenums are formed from a mixture of ceramic components and the proportions of the components in the mixture are adjusted to match the coefficient of thermal expansion of the plenum to that of the solid electrolyte. A preferred ceramic is formed from a mixture of MgO and Al.sub.2 O.sub.3 having a MgO/Al.sub.2 O.sub.3 molar ratio of from 1:1 and 7:1.

Find Patent Forward Citations

Spaeh, Richard. (1996). Ceramic gas supply components for fuel cells comprising zirconium oxide (U.S. Patent No. 5587251). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5587251

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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