ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,893, issued on Aug. 5, was assigned to RTX Corp. (Farmington, Conn.).
"Buffer air assembly for an aircraft engine" was invented by Andrew E. Breault (Bolton, Conn.) and William K. Ackermann (East Hartford, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A buffer air assembly for an aircraft engine includes a low-pressure header, a high-pressure header, a low-pressure bleed air source, a high-pressure bleed air source, and an electric buffer compressor. The low-pressure header is connected to at least one low-pressure bearing compartment. The high-pressure header is connected to at least one high-pressure bearing compartment. The low-pressure ble...