ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,899, issued on Oct. 28, was assigned to NIDEC Corp. (Kyoto, Japan).
"Drive apparatus" was invented by Yui Watanabe (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drive apparatus includes: a motor having a motor shaft rotatable about a motor axis; a power transmission connected to the motor shaft from one side in an axial direction; a housing having a motor housing portion accommodating the motor and a gear accommodation portion accommodating the power transmission; a channel through which a refrigerant circulates; a cooler; and a pump. The channel includes a first passage connecting a refrigerant pool in the housing and a suction por...