US Patent Issued to VOLVO CONSTRUCTION EQUIPMENT on April 22 for "Hydraulic machine and method of controlling the same" (South Korean Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,661, issued on April 22, was assigned to VOLVO CONSTRUCTION EQUIPMENT AB (Eskilstuna, Sweden).

"Hydraulic machine and method of controlling the same" was invented by Younghun Kim (Gyeongsangnam-do, South Korea) and Sangkyu Joo (Gyeongsangnam-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic machine. A high pressure line allows working fluid to flow into a hydraulic motor. A low pressure line allows working fluid to flow out of the hydraulic motor. High pressure line valves open and close the high pressure line. Low pressure line valves open and close the low pressure line. An operator input device inputs a command to control ...