ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,738,788, issued on Sept. 15, was assigned to BorgWarner US Technologies LLC (Wilmington, Del.).
"Systems and methods for direct winding heat exchanger in motor" was invented by Eric Bourniche (Preutin-Higny, France) and Pascal David (Luxembourg).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a rotor core; a rotor stack extending circumferentially from the rotor core, the rotor stack including: a first end; a second end opposite to the first end; and a first slot in the rotor stack, the first slot extending from the first end to the second end; and a hairpin cooling pipe in the first slot of the rotor stack."
The patent was filed on Fe...