Submitting Campus

Daytona Beach

Department

Aerospace Engineering

Document Type

Patent

Publication/Presentation Date

3-2-2021

Abstract/Description

A system and method of noise mitigation for hybrid and electric aircraft, the aircraft having a controllable pitch propeller or rotor(s) with a plurality of blades. The propeller or rotor(s) are driven by a drive system to provide thrust for the aircraft, and the blades of the propeller or rotor(s) are further movable about pivot axis to vary a pitch thereof. A controller on-board the aircraft is operable to cause rotation or movement of the blades of the propeller or rotor(s) about their pivot axis to alter and/or focus at least one aspect of the propeller generated noise to reduce or mitigate such noise while maintaining a substantially constant thrust, altitude, and/or air speed of the aircraft.

Patent Number

US 10,933,977 B2

Assignee

Embry-Riddle Aeronautical University

Application Number

15/975,220

Date Filed

5-9-2018

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