US Patent Issued to Imam Abdulrahman Bin Faisal University on Sept. 23 for "PV cleaning system with rack and pinion wiper" (Saudi Arabia Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,942, issued on Sept. 23, was assigned to Imam Abdulrahman Bin Faisal University (Dammam, Saudi Arabia).

"PV cleaning system with rack and pinion wiper" was invented by Nasir Ghazi Hariri (Dammam, Saudi Arabia), Ibrahim Khalil Almadani (Khobar, Saudi Arabia) and Ibrahim Sufian Osman (Khobar, Saudi Arabia).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a thermomechanical actuator and a cleaning system implementing the thermomechanical actuator. The thermomechanical actuator includes a solar heat collector (SHC) housing shape memory alloy springs connected between a piston movably disposed therein and one end of the SHC....