US Patent Issued to Subaru on Oct. 20 for "Motor-cooling structure" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,771,210, issued on Oct. 20, was assigned to Subaru Corp. (Tokyo).

"Motor-cooling structure" was invented by Tatsuya Ishii (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A motor-cooling structure is configured to cool a motor by using cooling oil. The motor is housed in a motor case. The motor-cooling structure includes a supply-port operator and a discharge-port operator. The supply-port operator is capable of opening and closing a cooling-oil supply port provided in a first wall of the motor case. The supply-port operator is configured to make an opening ratio of the cooling-oil supply port greater when a rotary shaft of the motor is stationary ...