US Patent Issued to RTX on July 15 for "Oil circulation system for hybrid electric engine" (Connecticut Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,616, issued on July 15, was assigned to RTX Corp. (Farmington, Conn.).

"Oil circulation system for hybrid electric engine" was invented by Michael Winter (New Haven, Conn.), Denman H. James (West Hartford, Conn.) and Richard W. Monahan (Farmington, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hybrid electric propulsion system including: a gas turbine engine comprising a low speed spool, a high speed spool, and a combustor; a lubrication circuit comprising a bearing compartment, a supply pump, and a scavenger pump; an electric motor configured to augment rotational power of the low speed spool or the high speed spool; and a controller opera...