US Patent Issued to SAUDI ARABIAN OIL on March 3 for "Spray guided stratification for fueling a passive pre-chamber" (Michigan Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,849, issued on March 3, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Spray guided stratification for fueling a passive pre-chamber" was invented by Xin Yu (New Hudson, Mich.), Anqi Zhang (Canton, Mich.), Andrew Baur (Whitmore Lake, Mich.) and Nayan Engineer (Canton, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An engine includes an engine block having a cylinder, a piston movably disposed in a main chamber of the cylinder, a prechamber adjacent to and in fluid communication with the main chamber via a prechamber nozzle, and a fuel injector in fluid communication with the main chamber, wherein the fuel injector has spra...