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:
Sep. 15, 1987
Filed:
Jul. 02, 1984
Applicant:
Inventors:
Stephen N Tower, Washington Township, Westmoreland County, PA (US);
Howard E Braun, Pittsburgh, PA (US);
David E Boyle, Kiski Township, Armstrong County, PA (US);
Robert B Salton, Plum Boro, PA (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G21C / ; G21C / ;
U.S. Cl.
CPC ...
376209 ; 376203 ; 376221 ; 376328 ; 376346 ; 376368 ; 376456 ;
Abstract
A method and apparatus for extending the life of a core of a water moderated nuclear reactor by spectral shift comprising the displacement of a portion of the moderator in the core by a gas having a low neutron cross-section during the initial stage of the life of the core and displacing the gas and replacing it with moderator during the latter part of the life of the core.