ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,421, issued on Jan. 20, was assigned to Caterpillar Inc. (Peoria, Ill.).
"Electric powertrain and method of calibration" was invented by Brian E. Lister (Edwards, Ill.) and Bernard M. Murphy (Dunlap, Ill.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric powertrain includes a transmission connected with a traction motor to receive motive power embodied as torque and speed. To adjust the torque and speed, the transmission has a plurality of gear sets that are selectively engaged by actuation of associated hydraulic clutches. For actuation, the hydraulic clutches receive hydraulic fluid from a hydraulic system. To calibrate actuation of the c...