US Patent 11066155 Unmanned aerial vehicle

An unmanned aerial vehicle includes a housing assembly having a receiving space, a power assembly received in the receiving space, and a controlling assembly received in the receiving space and configured to control the power assembly. The housing assembly is provided with a flow passage penetrating an inside of the housing assembly, and the power assembly partially forms the flow passage. In the UAV, since the power assembly is mounted in the housing assembly, the propeller of the power assembly will not hurt person during the flight, thereby improving the safety performance while flying near the ground.