Ducted power device and aircraft
A power plant and duct technology, applied in the field of aircraft, can solve problems such as disturbance, low aerodynamic efficiency, and the inability of gas to flow into the duct evenly
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[0023] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0024] The first embodiment of the ducted power device
[0025] see Figure 1 to Figure 3 , the present embodiment includes a duct 1 with a circumferential wall, the duct 1 includes a lip 12 at the air inlet end, a main body portion 11 in which the rotor 3 is installed, and a tail portion 13 at the air outlet end. Wherein the outer diameter of the lip 12 and the tail 13 is greater than the outer diameter of the main body 11, the lip 12 is provided with a rotating sleeve 2 (the first rotating sleeve) that can rotate relative to the lip 12, and the inner wall of the lip 12 is in contact with the rotating sleeve. There may be a certain gap between the outer walls of the sleeve 2, but preferably the gap is small to prevent air flow from entering the duct from the gap, and in addition, the small gap also makes the ducted power device more compact. The inne...
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