ALEXANDRIA, Va., April 7 -- United States Patent no. 12,595,772, issued on April 7, was assigned to Cespira Canada LP (Vancouver, Canada).
"Apparatus and method for regulating gaseous fuel pressure and mitigating emissions in an internal combustion engine system" was invented by Jian Huang (Surrey, Canada) and Sandeep Munshi (Delta, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "An engine fueled with a gaseous fuel includes a storage vessel storing the gaseous fuel in the gas state. For an engine speed and engine load, a storage-pressure brake thermal efficiency (where an injection pressure equals the storage pressure) is compared to a second-pressure brake thermal efficiency (where the injection pres...