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.

Date of Patent:
Jul. 24, 2001

Filed:

Oct. 13, 1999
Applicant:
Inventors:

Raman G. Patel, Pittsburgh, PA (US);

Robert E. Meuschke, Monroeville, PA (US);

Moshe A. Mahlab, Pittsburgh, PA (US);

David E. Boyle, Pittsburgh, PA (US);

Assignee:

Westinghouse Electric Company LLC, Pittsburgh, PA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21C 1/902 ; G21C 1/920 ;
U.S. Cl.
CPC ...
G21C 1/902 ; G21C 1/920 ;
Abstract

An apparatus and method are provided for inverting the lower internal assembly of a nuclear reactor. The apparatus includes a frame which is sized to receive the lower internal assembly. The frame supports the lower internal assembly as it is being inverted. The apparatus also includes a spider assembly which fits within the lower internal assembly and provides support for a baffle assembly located therein. The method includes the steps of removing the lower internal assembly from a reactor vessel and rotating the lower internal assembly prior to performing maintenance.


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