US Patent Issued to SAUDI ARABIAN OIL on Oct. 7 for "Active hydrocarbon trap for reduction of emissions from internal combustion engines using a three-valve configuration" (Michigan Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,655, issued on Oct. 7, was assigned to SAUDI ARABIAN OIL COMPANY (Dhahran, Saudi Arabia).

"Active hydrocarbon trap for reduction of emissions from internal combustion engines using a three-valve configuration" was invented by Alexander Voice (Detroit), Kaustav Bhadra (Ann Arbor, Mich.), Esam Hamad (Brighton, Mich.) and Praveen Kumar (New Hudson, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for reducing emissions from an internal combustion engine having a close-coupled catalyst including an underbody catalyst and a hydrocarbon trap disposed downstream of the close-coupled catalyst. The device includes a heat exchanger and a liquid wa...