ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,540, issued on April 15, was assigned to Honda Motor Co. Ltd. (Tokyo).
"Cooling structure of vertical motor" was invented by Satoshi Yamada (Saitama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vertical motor with a cooling structure for an electrical operation machine is provided. The vertical motor includes a driving shaft, having a rotational axis and arranged along a vertical direction; a rotor, rotating with the driving shaft; a stator, arranged around the rotor; a winding, arranged around the stator; a housing, having a wall portion and a bottom portion and accommodating the driving shaft, the rotor and the stator; and an oil sump, p...