US Patent Issued to SHANGHAI SANY HEAVY MACHINERY on March 25 for "Automatic weighing calibration method, system and excavator" (Chinese Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,259,271, issued on March 25, was assigned to SHANGHAI SANY HEAVY MACHINERY Co. LTD (Shanghai).

"Automatic weighing calibration method, system and excavator" was invented by Xuefeng Ji (Shanghai) and Chuangshuo Zeng (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "An automatic weighting calibration method for an excavator includes: firstly, obtaining a reference data set of the excavator under no-load working state; the reference data set includes a plurality of reference data groups, and each reference data group includes geometry data of the excavator, pressure data of an oil cylinder, dynamic data and no-load weighing data; and then, calibrat...