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:
Aug. 19, 2025
Filed:
Nov. 04, 2019
Applicant:
Mts Systems Corporation, Eden Prairie, MN (US);
Inventors:
Byron John Saari, Minneapolis, MN (US);
Scott Gale Johnson, Waconia, MN (US);
Assignee:
MTS SYSTEMS CORPORATION, Eden Prairie, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
G01N 3/36 (2006.01); G01N 3/38 (2006.01); H02N 2/04 (2006.01); H02N 2/18 (2006.01);
U.S. Cl.
CPC ...
H02N 2/04 (2013.01); G01N 3/36 (2013.01); G01N 3/38 (2013.01); H02N 2/183 (2013.01); G01N 2203/0048 (2013.01); G01N 2203/0051 (2013.01); G01N 2203/0623 (2013.01);
Abstract
A test system includes a frame. A hydraulic actuator is mounted to the frame and is configured to support a test specimen. A piezoelectric actuator is configured to apply a force to the test specimen. A controller is configured to excite the piezoelectric actuator and provide an indication of force generated by the piezoelectric actuator by measurement of current or charge provided to the piezoelectric actuator.