US Patent Issued to SUBARU, Japan Aerospace Exploration Agency on Aug. 26 for "Flight efficiency improving system for compound helicopter" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,910, issued on Aug. 26, was assigned to SUBARU Corp. (Tokyo) and Japan Aerospace Exploration Agency (Tokyo).

"Flight efficiency improving system for compound helicopter" was invented by Wataru Kobayashi (Tokyo), Hirotaka Hayashi (Tokyo), Mizuki Nakamura (Tokyo), Masafumi Sasaki (Tokyo), Yasutada Tanabe (Chofu, Japan) and Noboru Kobiki (Chofu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a flight efficiency improving system for a compound helicopter with a rotor and fixed wings. In forward flight of the compound helicopter, the flight efficiency improving system does not perform a cyclic pitch control of the rotor so as to allow a...