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US 7,890,222 B1Granted
Mechanical flight control auxiliary power assist system
AssigneeTextron Innovations Inc.
InventorsPeter M. Shultz, Carlos A. Fenny, Todd Walker, Sam Arjunan
Life of this patent
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Abstract
A mechanical flight control system for a rotary-wing aircraft is disclosed. The flight control system comprises an upstream portion, a downstream portion, and an assembly for connecting the upstream portion to the downstream portion. The assembly may comprise dual concentric valve actuators and/or a variety of system load limiting features.
Claims11
An aircraft, comprising:
- a fuselage;
- a power plant connected to the fuselage;
- a mast for transferring power from the power plant to a plurality of rotor blades;
- a swash plate connected to the rotor blades for providing cyclic control of the physical orientation of the rotor blades;
- and
- a cyclic control system for manipulating the swash plate, the cyclic control system having a boosting means for connecting an upstream portion of the cyclic control system to a downstream portion of the cyclic control system;
- wherein a cyclic control system freeplay movement is limited by a hydraulic supply pressure sensitive mechanism.
4 more elements
An aircraft, comprising:
- a fuselage;
- a power plant connected to the fuselage;
- a mast for transferring power from the power plant to a plurality of rotor blades;
- a swash plate connected to the rotor blades for providing cyclic control of the physical orientation of the rotor blades;
- and
- a cyclic control system for manipulating the swash plate, the cyclic control system having a boosting means for connecting an upstream portion of the cyclic control system to a downstream portion of the cyclic control system;
- wherein the cyclic control system further comprises an auto-pilot system for controlling a cyclic output.
4 more elements
Dependencies are inferred from the claim text.