US Patent Issued to General Atomics Aeronautical Systems on Sept. 29 for "Multi-part piston construction for an opposed-piston engine" (California Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,713, issued on Sept. 29, was assigned to General Atomics Aeronautical Systems Inc. (San Diego).

"Multi-part piston construction for an opposed-piston engine" was invented by Ryan G. MacKenzie (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "A piston for an internal combustion opposed-piston engine includes a crown part, a skirt part, and an outer part. The crown part includes a first ring belt region for supporting compression rings and an end surface shaped to form a combustion chamber with an end surface of an opposing piston. The skirt part includes a sidewall and a wristpin bore with a first opening and a second opening formed in the s...