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Force measuring valve assemblies, systems including such valve assemblies and related methods

United States Patent

8,156,822
April 17, 2012
View the Complete Patent at the US Patent & Trademark Office
Idaho National Laboratory - Visit the Technology Transfer and Commercialization Office Website
Methods of evaluating a fluid condition may include stroking a valve member and measuring a force acting on the valve member during the stroke. Methods of evaluating a fluid condition may include measuring a force acting on a valve member in the presence of fluid flow over a period of time and evaluating at least one of the frequency of changes in the measured force over the period of time and the magnitude of the changes in the measured force over the period of time to identify the presence of an anomaly in a fluid flow and, optionally, its estimated location. Methods of evaluating a valve condition may include directing a fluid flow through a valve while stroking a valve member, measuring a force acting on the valve member during the stroke, and comparing the measured force to a reference force. Valve assemblies and related systems are also disclosed.
DeWall; Kevin George (Pocatello, ID), Garcia; Humberto Enrique (Idaho Falls, ID), McKellar; Michael George (Idaho Falls, ID)
Bettelle Energy Alliance, LLC (Idaho Falls, ID)
12/ 628,267
December 1, 2009
GOVERNMENT RIGHTS This invention was made with government support under Contract Number DE-AC07-05ID14517 awarded by the United States Department of Energy. The government has certain rights in the invention.