US Patent Issued to Rolls-Royce North American Technologies on March 25 for "Anti-ice system for gas turbine engine and inlet guide vane" (Indiana Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,874, issued on March 25, was assigned to Rolls-Royce North American Technologies Inc. (Indianapolis).

"Anti-ice system for gas turbine engine and inlet guide vane" was invented by Eric Engebretsen (Indianapolis), Aaron Weishaar (Indianapolis), Jonathan Acker (Indianapolis) and Brett Hartnagel (Indianapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas turbine engine includes: an inlet guide vane; an inlet channel extending from a location downstream of the inlet guide vane to a stem manifold; and an outlet channel extending to an outlet port, the outlet port configured to dump anti-ice air overboard, wherein the inlet guide vane includes an ...