|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B64C-011/18 B64C-011/00 B64C-011/20|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 19|
Sounds are generated by an aerial vehicle during operation. For example, the motors and propellers of an aerial vehicle generate sounds during operation. Disclosed are systems, methods, and apparatus for actively adjusting the position of one or more propeller blade treatments of a propeller blade of an aerial vehicle during operation of the aerial vehicle. For example, the propeller blade may have one or more propeller blade treatments that may be adjusted between two or more positions. Based on the position of the propeller blade treatments, the airflo...
1. An aerial vehicle comprising: a first motor configured to rotate a propeller such that the propeller generates a lifting force;the propeller including: a hub that is coupled to the motor so that the motor can rotate the propeller;a propeller blade extending from the hub, the propeller blade including: a leading edge;a tip;a trailing edge; anda plurality of serrations protruding from the propeller blade along at least a portion of the leading edge of the propeller blade;a controller coupled to at least some of the plurality of serrations and configured...