ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,422,036, issued on Sept. 23, was assigned to Musashi Seimitsu Industry Co. Ltd. (Aichi, Japan).
"Breather structure in power unit" was invented by Naofumi Butta (Toyohashi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A breather structure in a power unit is provided. The power unit includes a motor and a transmission device. The transmission device includes a gear transmission mechanism and a transmission case. The transmission case and a motor case forms a unit case. The unit case includes an oil supply passage, an oil return passage, and a partition wall. One side face of the partition wall and a lid coupled to the one side face define a brea...