US Patent Issued to DEERE & Co. on Feb. 17 for "Work vehicle power system with dynamic auto-ignition assistance compression ratios" (Iowa Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,395, issued on Feb. 17, was assigned to DEERE & COMPANY (Moline, Ill.).

"Work vehicle power system with dynamic auto-ignition assistance compression ratios" was invented by Kevin B. DeVries (Cedar Falls, Iowa), Craig W. Lohmann (Cedar Falls, Iowa) and Danan Dou (Cedar Falls, Iowa).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power system for a work vehicle includes a compression ignition engine with piston-cylinder set that defines a compression ratio. The engine further includes a piston actuation arrangement coupled to the piston of the first piston-cylinder set and configured to be repositioned to dynamically modify the compression ratio of th...