ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,857, issued on Dec. 30, was assigned to Caterpillar Inc. (Peoria, Ill.).
"Energy recovery prevention for a hydraulic system" was invented by Christopher M. Ruemelin (Morton, Ill.), Adam M. Nackers (Washington, Ill.), Matthew Mason (Peoria, Ill.) and Cole Hunt (Washington, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic system may include an electric motor and a power source electrically coupled to the electric motor. During operation of the hydraulic system in an energy recovery mode, a net negative torque may be applied to the electric motor causing the electric motor to convert a mechanical power output to an electrical input and p...