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:
Apr. 28, 1992
Filed:
Aug. 01, 1990
Applicant:
Inventors:
William G Carlson, Murrysville, PA (US);
Roswell J Ruka, Churchill Boro, PA (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ; H01M / ;
U.S. Cl.
CPC ...
429 31 ; 424 40 ; 264 61 ; 428 345 ; 428 346 ;
Abstract
A self-supporting, gas-permeable air electrode tube (16) is made having a sintered structure of calcium-doped LaMnO.sub.3, a density of from 60% to 85% of theoretical density, and a Coefficient of Thermal Expansion of from 10.2.times.10.sup.-6 /.degree.C. to 10.8.times.10.sup.-6 /.degree.C., where one end is open and the other end is sealed with a plug (30).