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. 06, 2011
Filed:
Dec. 02, 2009
Applicants:
Warren R. Junker, Monroeville, PA (US);
John P. Lareau, Granby, CT (US);
Inventors:
Warren R. Junker, Monroeville, PA (US);
John P. Lareau, Granby, CT (US);
Assignee:
Westinghouse Electric Company LLC, Cranberry Township, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 29/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of examining a steam generator heat exchange tube from the outside surface employing ultrasonic nondestructive inspection techniques. An ultrasonic transducer contacts the outside surface of the tube and transmits a pseudo helical Lamb wave into the wall of the tube chosen to have a mode that does not significantly interact with water in the tube. The reflected waves are then analyzed for changes in modes to identify defects in the wall of the tube.