US Patent Issued to GM GLOBAL TECHNOLOGY OPERATIONS on July 29 for "Aluminum wheels and methods for casting aluminum wheels using high scrap aluminum content" (Chinese Inventors)

ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,827, issued on July 29, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Aluminum wheels and methods for casting aluminum wheels using high scrap aluminum content" was invented by Henry Zhan (Shanghai), Libing Liu (Shanghai), Jianfeng Wang (Shanghai) and Yunhu Zhang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for casting an aluminum wheel comprises preparing a melt having a predetermined chemistry and including silicon in a range from 8.5 to 10% mass and aluminum; degassing and refining the melt; adding a grain refiner including aluminum-titanium-vanadium-boron (Al-Ti-V-B) and a master alloy to the melt; and cast...