US Patent Issued to Saudi Arabian Oil on Oct. 21 for "System and method using rotating air gaps to control magnetic wheel adhesion" (Saudi Arabia Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,771, issued on Oct. 21, was assigned to Saudi Arabian Oil Co. (Dhahran, Saudi Arabia).

"System and method using rotating air gaps to control magnetic wheel adhesion" was invented by Fadl Abdellatif (Thuwal, Saudi Arabia) and Ahmed Al Brahim (Thuwal, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method control magnetic adhesion of a wheel to a surface using rotating air gaps. First and second discs have apertures. The first disc retains magnets in the apertures. When the apertures of the second disc are not align with the magnets, adhesion is increased. When the apertures of the second disc are aligned with the magnets, air...