US Patent Issued to MEIDENSHA on Oct. 21 for "Rotary electric machine with stator and oil injection port" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,755, issued on Oct. 21, was assigned to MEIDENSHA Corp. (Tokyo).

"Rotary electric machine with stator and oil injection port" was invented by Taku Uematsu (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary electric machine includes: a rotor; a shaft that penetrates the rotor along a rotation axis and is pivotally supported by a bearing; a stator that has a cylindrical shape, accommodates the rotor inside, and has a coil wound around an inner peripheral side; a rotor cover attached to an axial end surface of the rotor; and a casing having a flow passage for supplying oil to the bearing. The rotor cover has an oil receiving portion that fo...