US 12,422,426 B2
Electrically insulated block-on-rotating-ring test unit and method
Carlos J. Sanchez, San Antonio, TX (US); and Peter Mark Lee, Fair Oaks Ranch, TX (US)
Assigned to SOUTHWEST RESEARCH INSTITUTE, San Antonio, TX (US)
Filed by Southwest Research Institute, San Antonio, TX (US)
Filed on Sep. 22, 2023, as Appl. No. 18/472,599.
Claims priority of provisional application 63/376,782, filed on Sep. 23, 2022.
Prior Publication US 2024/0102985 A1, Mar. 28, 2024
Int. Cl. G01N 33/28 (2006.01); B32B 1/08 (2006.01); B32B 27/00 (2006.01); G01N 27/00 (2006.01); G01N 27/02 (2006.01)
CPC G01N 33/2888 (2013.01) [G01N 27/00 (2013.01); G01N 27/028 (2013.01); B32B 1/08 (2013.01); B32B 27/00 (2013.01); B32B 2597/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electrically insulated block-on-rotating ring test unit comprising:
an electrically isolated rotating ring;
an electrically isolated block configured to be mechanically loaded against said electrically isolated rotating ring;
a negative electrode in electrical communication with said electrically isolated block and a positive electrode in electrical communication with said electrically isolated rotating ring or a positive electrode in electrical communication with said electrically isolated block and a negative electrode in communication with said electrically isolated rotating ring, wherein said negative and positive electrodes are configured to supply an electrical potential between said electrically isolated rotating ring and said electrically isolated block.