ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,883, issued on April 7.
"Photovoltaic tracking system on roofs" was invented by Qiyuan Xiong (North Bethesda, Md.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A photovoltaic tracking system on roof, includes a photovoltaic panel group having photovoltaic panels connected together by their sides in a linear direction using connecting frames, a tilting system, a gear rack, and a stepper motor. The tilting system includes a rod, a wheel, and a rail. The rod has a first end connected to the wheel and a second end connected to the photovoltaic group. The wheel is disposed on the rail and configured to move linearly along the rail. The tiling system is ...