ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,177, issued on March 18.
"Coaxial valve system" was invented by Uri Kaniel (Netanya, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "An interposed coaxial valve system designed for internal combustion engines. The system comprises a single main valve integrating two coaxial valves: an interior valve and an exterior valve. The interior valve may move independently from the exterior valve during engine operation. The system minimizes spatial occupancy for internal combustion engine valves. By interposing the interior valve within the exterior valve, the system achieves a compact and efficient design. The system may also comprise adjacent intake...