US Patent Issued to Caterpillar on Dec. 2 for "Dual fuel system and method feeding same fuel at two pressures to fuel injector" (Illinois Inventor)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,810, issued on Dec. 2, was assigned to Caterpillar Inc. (Peoria, Ill.).

"Dual fuel system and method feeding same fuel at two pressures to fuel injector" was invented by Andrew O. Marrack (Peoria Heights, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel system includes a first fuel subsystem having a supply of a first fuel and at least one fuel pump to provide a high-pressure feed of a first fuel and a low-pressure feed of the first fuel. The fuel system also includes a second fuel subsystem having a supply of a second fuel, and a plurality of fuel injectors. Each fuel injector forms a high-pressure fuel inlet, a low-pressure fuel inlet, a ...