ALEXANDRIA, Va., June 10 -- United States Patent no. 12,294,330, issued on May 6.
"Hybrid power generation system" was invented by Yoon Won Lee (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hybrid power generation system according to an embodiment of the present invention includes: a blade provided on a vertical shaft to reduce noise and vibration during rotation; a wind collecting duct increasing speed of wind and rotating the blade at a high speed to improve efficiency of wind energy; a wind collecting room provided in the blade to increase a rotational force and efficiency of wind energy; a photovoltaic module concentration device driving a wind inducing rotation motor provided in t...