ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,675, issued on June 17, was assigned to MITSUBISHI HEAVY INDUSTRIES LTD. (Tokyo).
"Opposed-piston engine" was invented by Shintaro Shuto (Tokyo), Kengo Tanaka (Tokyo) and Keita Suzuki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An opposed-piston engine includes: a cylinder having a scavenging port on one side in an axial direction and an exhaust port on another side in the axial direction, a scavenging-side piston disposed inside the cylinder on the one side in the axial direction, an exhaust-side piston disposed inside the cylinder on the other side in the axial direction; and at least one fuel injection device configured to inject fuel b...