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:
Oct. 13, 2020

Filed:

Apr. 09, 2018
Applicant:

The Boeing Company, Chicago, IL (US);

Inventors:

Gary E. Georgeson, Tacoma, WA (US);

Kenneth H. Griess, Kent, WA (US);

Russell L. Keller, Maple Valley, WA (US);

Assignee:

The Boeing Company, Chicago, IL (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 11/16 (2006.01); G01M 5/00 (2006.01); G01L 1/24 (2006.01);
U.S. Cl.
CPC ...
G01B 11/16 (2013.01); G01B 11/165 (2013.01); G01L 1/246 (2013.01); G01M 5/0016 (2013.01); G01M 5/0091 (2013.01);
Abstract

Systems and methods for assessing strain in structural components are disclosed. Structural component may have geometric patterns of grooves, with the grooves in the geometric pattern each having a groove width. The method may include illuminating the geometric pattern of grooves with a first light at a first wavelength that corresponds to the groove width to create diffraction when the first light hits the geometric pattern of grooves and corresponding changes in the wavelength of the light reflected from the geometric pattern of grooves indicating changes in the groove widths due to strain caused when the structural component is exposed to environmental conditions, detecting the wavelength of the light reflected from the geometric pattern of grooves, and correlating the detected wavelength of the light reflected from the geometric pattern of grooves to the strain in the structural components.


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