The invention provides a variable-diameter and variable-blade-angle propeller, the diameter of the propeller is increased during takeoff and landing, and the propeller is similar to a helicopter; the diameter of the propeller is reduced during level flight, and the aircraft is similar to a fixed-wing aircraft. The aircraft using the propeller has the advantages of a helicopter and a fixed-wing aircraft: vertical take-off and landing are realized, the field requirement is not high, and the lift force is large; the level flight speed is high, and the voyage is long. And blades of the propeller are mounted on the propeller shaft and can rotate around the arm shaft. Therefore, the variable diameter and variable blade angle of the propeller are realized.
本发明提供一种可变直径、变桨叶角的螺旋桨,在起飞和降落时螺旋桨直径变大,类似直升机;在平飞时螺旋桨直径变小,类似固定翼飞机。使用本发明螺旋桨的飞机兼具直升机和固定翼飞机的优点:垂直起降,对场地要求不高,升力大;平飞速度快、航程远。螺旋桨的桨叶安装在桨轴上,桨叶可绕臂轴转动。由此实现所述螺旋桨变直径、变桨叶角。
Propeller with variable diameter and variable blade angle
一种可变直径、变桨叶角的螺旋桨
2022-07-29
Patent
Electronic Resource
Chinese
IPC: | B64C AEROPLANES , Flugzeuge |