ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,785,470, issued on Nov. 3, was assigned to TOYOTA JIDOSHA K.K. (Toyota Aichi-ken, Japan).
"Motor cooling device" was invented by Hideaki Komada (Gotemba Shizuka-ken, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A motor cooling device includes: an oil passage, provided in a stator formed by laminating a plurality of steel plates, serving as a conduit for a cooling oil. Further, the oil passage is formed by a plurality of oil holes, which are formed in the steel plates and are overlapping with each other in a laminating direction of the steel plates, and the oil passage is formed by an offset collision wall formed by shifting the oil holes in a dir...