US Patent Issued to HAMILTON SUNDSTRAND on April 14 for "Hybrid liquid and air cooling of high-power permanent magnet machine rotor" (Illinois Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,551, issued on April 14, was assigned to HAMILTON SUNDSTRAND Corp. (Charlotte, N.C.).

"Hybrid liquid and air cooling of high-power permanent magnet machine rotor" was invented by Ashutosh Joshi (Roscoe, Ill.), Debabrata Pal (Hoffman Estates, Ill.) and Andreas C. Koenig (Rockford, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric machine includes a housing, a stator positioned in the housing and including a stator winding, and a rotor positioned in the housing configured to rotate about a machine axis and electromagnetically interactive with the stator across an air gap between the rotor and the stator. The rotor includes a rotor core,...