ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,530, issued on June 2, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).
"Low emission engine braking for vehicles" was invented by John Michael Ellenberger (Huntington Woods, Mich.), Vijay A. Ramappan (Novi, Mich.), Michael J. Lucido (Milford, Mich.) and Paul A. Battiston (Shelby Township, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for utilizing engine braking to decelerate a vehicle including initiating a preheat in an electrically heated catalyst (EHC). Subsequent to initiating the preheat, the method allows an internal combustion engine (ICE) to spin by one of: engaging a clutch, converting rotation of the ICE to e...