ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,535,126, issued on Jan. 27, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).
"Drive unit including a concentric planetary gear system having dual helical gears" was invented by Goro Tamai (Bloomfield Hills, Mich.), Pete R. Garcia (North Branch, Mich.), Shawn H. Swales (Farmington, Mich.) and Dumitru Puiu (Sterling Heights, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A drive unit includes a housing, a shaft, and a planetary gear set connected to the shaft and the housing. The planetary gear set includes a sun gear including a first helical gear portion and a second helical gear portion, a carrier axially offset relative to the sun ...