US Patent Issued to Allison Transmission on Nov. 18 for "Three-speed transmission for an electric drive system" (Indiana Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,962, issued on Nov. 18, was assigned to Allison Transmission Inc. (Indianapolis).

"Three-speed transmission for an electric drive system" was invented by Isaac Mock (Martinsville, Ind.), Drew A. Crafton (Mooresville, Ind.) and Nayan V. Patel (Avon, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drive system for a vehicle that includes a transmission with three forward and three reverse gears. The transmission is optionally coupled to an electric motor as part of a fully electric or hybrid drive system. The transmission optionally includes a first and a second planetary gearset, a first and a second brake, and a clutch. The system may be confi...