US Patent Issued to IHI on Sept. 9 for "Fuel supply system and fuel supply method for aircraft gas turbine engine" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,791, issued on Sept. 9, was assigned to IHI Corp. (Tokyo).

"Fuel supply system and fuel supply method for aircraft gas turbine engine" was invented by Hirotaka Sugawara (Tokyo) and Naoki Seki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fuel supply system includes a gear pump, and a minimum pressurizing check valve including a cylinder and a piston that partitions the internal space of the cylinder into a first chamber that communicates with the metering section and a second chamber that communicates with a system inlet, the piston is spring-biased in a direction toward the first chamber, a side wall of the cylinder is provided with an o...