US Patent Issued to Wisconsin Alumni Research Foundation on Jan. 28 for "Compression ignition engine with igniter and pilot injector" (Wisconsin Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,532, issued on Jan. 28, was assigned to Wisconsin Alumni Research Foundation (Madison, Wis.).

"Compression ignition engine with igniter and pilot injector" was invented by Harsh Darshan Sapra (Madison, Wis.), Sage Kokjohn (Oregon, Wis.), Randy Hessel (Madison, Wis.), Eri Amezcua Cuellar (Madison, Wis.) and David Rothamer (Madison, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compression ignition engine provides a main injector and a second pilot injector producing a spray passing over an igniter producing a pilot flame assisting in ignition of the main injector spray."

The patent was filed on March 1, 2023, under Application No. 18/176,787...