ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,544, issued on Jan. 28, was assigned to Eaton Intelligent Power Ltd. (Dublin).
"Engine braking in hydrogen internal combustion engines" was invented by James E. McCarthy Jr. (Kalamazoo, Mich.), Mihai Dorobantu (Mission Viejo, Calif.) and Kevin Snyder (Tekonsha, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of operating a system including a hydrogen internal combustion engine and a supercharger between a normal operating mode and an engine braking mode. In the normal operating mode, the supercharger operates at a first rotational speed to deliver air to an intake manifold of the engine. In the engine braking mode, the supercharger ope...