ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,672, issued on June 17, was assigned to FCA US LLC (Auburn Hills, Mich.).
"Dual-acting valve enabled catalyst bypass" was invented by Jeff Brand (Highland, Mich.), Michael P Schmidt (Highland, Mich.), David A Scott (Holly, Mich.) and Philip J Insalaco (Fenton, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An internal combustion engine includes a cylinder head with an exhaust manifold configured to supply exhaust gas through a main exhaust outlet to a main exhaust aftertreatment system having a main catalytic converter, a bypass passage in fluid communication with the exhaust manifold via a bypass port, a bypass catalytic converter disposed wi...