The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 17, 2018
Filed:
Jul. 09, 2012
Paul Eglin, Roquefort-la Bedoule, FR;
Paul Eglin, Roquefort-la Bedoule, FR;
Airbus Helicopters, Marignane, FR;
Abstract
An autopilot device () and method for automatically piloting a rotary wing aircraft (), having at least one propulsion propeller (), said rotary wing comprising at least one rotor () with a plurality of blades (), said device comprising a processor unit () co-operating with at least one collective control system () for controlling the collective pitch of said blades (). The device includes engagement means () connected to the processor unit () for engaging an assisted mode of piloting for maintaining an angle of attack, said processor unit () automatically controlling the collective pitch of the blades () when the assisted mode of piloting for maintaining an angle of attack is engaged by controlling said collective control system to maintain an aerodynamic angle of attack (α) of the aircraft at a reference angle of attack (α*).