Device for controlling a propeller, having variable-pitch blades, of a turboprop engine
AssigneeSafran Helicopter Engines
InventorsAntoine Moutaux, Jean-Michel Presse
Life of this patent
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Abstract
A device for controlling a propeller, having variable-pitch blades, of a turboprop engine, has a first hydromechanical device for controlling the pitch of the blades of the propeller and a second hydromechanical device for controlling the speed of rotation of the propeller. The device includes a single electromechanical actuator with a movable actuator member mechanically connected both to the first hydromechanical device for controlling the pitch, in order to manage the pitch setpoint, and to the second hydromechanical device for controlling the speed, in order to manage the speed setpoint.
Claims9
A device for controlling a propeller, having variable-pitch blades, of an aircraft engine, the device comprising a first piece of hydromechanical equipment configured to slave the pitch of the blades of the propeller to a pitch setpoint, and a second piece of hydromechanical equipment configured to slave the rotational speed of the propeller to a speed setpoint,
- wherein the device comprises a single electromechanical actuator comprising a movable actuating member mechanically connected both to said first piece of hydromechanical equipment to control the pitch setpoint, and to said second piece of hydromechanical equipment to control the speed setpoint.
Dependencies are inferred from the claim text.