ALEXANDRIA, Va., July 15 -- United States Patent no. 12,662,941, issued on June 23.
"Radial cam engine" was invented by Duane Hunter (Garbutt, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "The radial cam engine described consists of a piston assembly arranged in a radial configuration. Within the engine, a piston moves back and forth within a cylinder during the internal combustion process. The piston is connected to a follower that is guided and interacts with a central cam. This central cam is responsible for turning a drive shaft. The radial cam incorporates three different cam profiles, each designed for a specific stage of the engine's operation. These profiles are specifically tailored for t...