Abstract

A method to assess light water reactor fuel integrity is presented having the steps of granting access in a nuclear reactor fuel pool to at least one of a discharged fuel rod and a nuclear fuel assembly, calculating an operating flux for the fuel rod, measuring a thickness of CRUD on the fuel rod, measuring …

Legal parties

Party
Inventors (applicants): Mihai G. M. Pop, Brian Glenn Lockamon
Assignees (initial): AREVA Inc. (Lynchburg, US)
Agents: Davidson, Davidson & Kappel, LLC (attorney)

The application was examined by Johannes P Mondt (USPTO dept. 2894)

Claims

  • 1. A method to assess light water reactor fuel integrity after a given time of operation …
  • 2. The method according to claim 1 , wherein the fuel condition index is calculated …
  • 3. The method according to claim 2 , wherein the index constant A has a value …

Cited documents

Patents

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Drawings

Brief Description of the Drawings

FIG. 1 is a Venn diagram of contributing factors to Light Water Reactor fuel failures. FIG. 2 is a flow chart of a method for prediction of fuel rod failure …

Description

Field of the Invention

The present invention relates to Light Water Reactor (LWR) fuel assemblies. More specifically, the present invention provides a methodology to assess through an index the condition of nuclear reactor fuel …

Detailed Description

Referring to FIG. 1 , a Venn diagram describing the factors that affect overall fuel integrity of a LWR plant is provided. Three different interrelated factors are used in the methodology …

More details about Method for Prediction of Light Water Reactor Fuel Defects Using a Fuel Condition Index

Miscellaneous patent data

The patent grant was extended by 1668 days, the patent particularly claims a method to assess light water reactor fuel integrity after a given time…, the protection scope is defined by 6 claims, invented by Brian Glenn Lockamon et al., explained by 2 figures, the assignee classification - a United States company, similar patents are classified under Sealing-plugs, Shielding structurally associated with the reactor, external lubricating or absorbing material, fissile or breeder material in fluid form within a non-active casing, Seal Arrangements, Particular materials, Apparatus for removing radioactive objects or materials from the reactor discharge area, e.g. to a storage place, Apparatus for handling radioactive objects or materials within a storage place or removing them therefrom, Doping of semiconductors, reaction product treatment, Measuring reactor flux, the grant publication date is May. 27, 2014, the invention is named Method for Prediction of Light Water Reactor Fuel Defects Using a Fuel Condition Index, the claim 1 is exemplary as chosen by the examiner, the examination was conducted by Johannes P Mondt (2894 USPTO department), the exemplary patent drawings are Method for Prediction of Light, Flow chart of a method, Venn diagram of contributing factors, the recorded inventor's name is Pop Mihai G. M., the inventor's city is Lynchburg, state - VA, the application number is 11/490,959 (U.S.), the invention description is illustrated by 2 drawings, located in Lynchburg (US), the assignee company is AREVA Inc., the grant number is 08737557 (publication number), the recorded applicant's name is Mihai G. M. Pop, the applicant's city - Lynchburg, state - VA, categorized under Fuel element leak detection as a primary classification, the known agent's company name - Davidson, Davidson & Kappel, LLC, the application publication date is Jul. 21, 2006.

Invention classification information

The invention is classified under Leak testing, Fuel element leak detection, Vessel monitoring or inspection. The designated search classifications include Vessel monitoring or inspection.

Patent details
Publication number 08737557
Publication date May. 27, 2014
Kind code B2
Application number 11/490,959
Application date Jul. 21, 2006
Application type U
Application series code 11
Extension term 1668
National classification 376/251
Total number of claims 6
Exemplary claims 1
Number of drawings 2
Number of figures 2
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