US Patent Issued to GM Global Technology Operations on May 12 for "Integrated fuel cell injection unit using additive manufacturing" (Michigan Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,626,942, issued on May 12, was assigned to GM Global Technology Operations LLC (Detroit).

"Integrated fuel cell injection unit using additive manufacturing" was invented by Joseph Hahn (White Lake Township, Mich.) and Patrick J. Eding (Fremont, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Aspects of integrated hydrogen fuel cell injection units herein use additive manufacturing to form a single part. A space between a body and an ejector nozzle/venturi tube system forms an attenuation volume. The heat exchanger is integrated within the attenuation volume, saving space. The ejector nozzle/venturi tube, and the stack anode inlet to the fuel cell, a...