US Patent Issued to Oshkosh on Nov. 18 for "Mixer drum drive with additional pump" (Wisconsin, Minnesota Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,661, issued on Nov. 18, was assigned to Oshkosh Corp. (Oshkosh, Wis.).

"Mixer drum drive with additional pump" was invented by Bryan Datema (Rochester, Minn.), David Ilgert (Oshkosh, Wis.), Robert Varao (Oshkosh, Wis.) and Yanming Hou (Oshkosh, Wis.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle includes an engine, an electric energy system, a drum configured to mix drum contents received therein, and a drum drive system coupled to the drum and the engine. The drum drive system includes a primary pump, an electric motor powered by the electric energy system, an auxiliary pump fluidly coupled to the mechanical pump and powered by the electr...