ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,499, issued on June 10, was assigned to MOTH Co. LTD. (Daejeon, South Korea).
"System for reducing blade tip vortex cavitation by controlling mass flow" was invented by Jae Hyung Lee (Sejong, South Korea) and Yeong Ju Go (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a system for reducing blade tip vortex cavitation by controlling mass flow. The system reduces blade tip vortex cavitation that occurs around blades of a propulsive propeller of a ship when the propulsive propeller rotates to generate force required to propel the ship across the sea by forming a plurality of flow holes in the propeller blades and contr...