Sounds are generated by an aerial vehicle during operation. For example, the motors and propellers of an aerial vehicle generate sounds during operation. Described are sound dampening materials and other propeller blade treatments that may be included in a propeller blade to alter and/or reduce the sound generated by the propeller blade as it rotates.
PROPELLER TREATMENTS FOR SOUND DAMPENING
2017-06-22
Patent
Electronic Resource
English
IPC: | B64C AEROPLANES , Flugzeuge |