US Patent Issued to GM Global Technology Operations on Nov. 11 for "Integrated noise attenuating volume for fuel cell system" (Michigan, Florida Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,469,866, issued on Nov. 11, was assigned to GM Global Technology Operations LLC (Detroit).

"Integrated noise attenuating volume for fuel cell system" was invented by Joseph Hahn (White Lake Township, Mich.) and Scott May (Daytona Beach, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-function fuel delivery system, a method of providing fuel delivery and a noise-attenuating and fuel injector housing device address a root cause of audible noise in a fuel delivery system by placing a sufficiently sized volume directly at the inlet of pulsed-type hydrogen injectors, thereby eliminating pressure pulsation and audible noise created by pressure pul...