Pressurizer with a mechanically attached surge nozzle thermal sleeve

Wepfer, Robert M

Title: Pressurizer with a mechanically attached surge nozzle thermal sleeve

Patent · Tue Mar 25 00:00:00 EDT 2014

OSTI ID:1128537

Wepfer, Robert M

A thermal sleeve is mechanically attached to the bore of a surge nozzle of a pressurizer for the primary circuit of a pressurized water reactor steam generating system. The thermal sleeve is attached with a series of keys and slots which maintain the thermal sleeve centered in the nozzle while permitting thermal growth and restricting flow between the sleeve and the interior wall of the nozzle.

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Research Organization:: Westinghouse Electric Company LLC, Cranberry Township, PA, USA

Sponsoring Organization:: USDOE

DOE Contract Number:: FC07-07ID14779

Assignee:: Westinghouse Electric Company LLC (Cranberry Township, PA)

Patent Number(s):: 8,681,922

Application Number:: 12/967,167

OSTI ID:: 1128537

Country of Publication:: United States

Language:: English

References (7)

Method of assembling a wiper blade assembly Loskill, Lawrence R. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/3999278 US Patent Document 3,999,278	patent	December 1976
Method of repairing a heating element in a pressurizer Loch, Emil P.; Mendolia, Frank J. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4255840 US Patent Document 4,255,840	patent	March 1981
Device for machining chamfers on a free of a pipe Martin, Alain J.; Maillard, Philippe https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/4840096 US Patent Document 4,840,096	patent	June 1989
Removable platform for working inside a casing of a pressurizer of a pressurized-water nuclear reactor Batistoni, Michel https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5183625 US Patent Document 5,183,625	patent	February 1993
Replacement and repair of nozzles for pressure vessels Sims, William A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/5918911 US Patent Document 5,918,911	patent	July 1999
Method of repairing a reactor coolant pump shaft and a reactor coolant pump repaired by such method Veronesi, Luciano; Drake, James A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/6358000 US Patent Document 6,358,000	patent	March 2002
Mechanical Stress Improvement Process Badlani, Manu; Beley, Brian Scott; Damico, Thomas A. https://doi.org/https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/20080110229 US Patent Application 11/559177; 20080110229	patent-application	May 2008

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