US Patent Issued to SAFRAN AIRCRAFT ENGINES on June 17 for "Electrohydraulic pitch setting with reversible pump" (French Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,769, issued on June 17, was assigned to SAFRAN AIRCRAFT ENGINES (Paris).

"Electrohydraulic pitch setting with reversible pump" was invented by Huguette De Wergifosse (Moissy-Cramayel, France) and Caroline Marie Frantz (Moissy-Cramayel, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a mechanism for changing the pitch of a propeller of a turbine engine, the mechanism comprising an electrohydraulic actuator that comprises: -an electric machine comprising a rotatable actuator shaft; -a pumping assembly comprising two hydraulic axial piston pumps, each comprising: o a barrel housed in a cavity filled with hydraulic...