US Patent Issued to CUMMINS, HYDROGENICS on Dec. 16 for "Systems and methods to measure or control fuel cell stack excess hydrogen flow using ejector mixing state" (Canadian, American Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,253, issued on Dec. 16, was assigned to CUMMINS INC. (Columbus, Ind.) and HYDROGENICS Corp. (Mississauga, Canada).

"Systems and methods to measure or control fuel cell stack excess hydrogen flow using ejector mixing state" was invented by Richard J. Ancimer (Toronto), Paolo Forte (Maple, Canada) and Sumit Tripathi (Columbus, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure generally relates to systems and methods for determining, managing, and/or controlling excess hydrogen flow in a system comprising a fuel cell or fuel cell stack and ejector based on the internal state of the ejector."

The patent was filed on Aug. 29, 20...