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:
Dec. 21, 2021
Filed:
Apr. 25, 2018
Airbus Helicopters, Marignane, FR;
Setareh Taheri, Aix en Provence, FR;
Nicolas Certain, Aix en Provence, FR;
Abstract
A regulator device for regulating a control setpoint for a speed of rotation, written NR, for at least one main rotor of a rotorcraft, the rotorcraft including at least one measurement member for taking measurements representative of a current vertical elevation of the rotorcraft relative to a reference level Ref; and measurement means serving to measure at least one vertical component of a travel speed of the rotorcraft relative to the air surrounding the rotorcraft, the regulator device for regulating the control setpoint of the speed including management means for automatically controlling the control setpoint for the speed in accordance with at least two predetermined control relationships that are distinct from each other.