606 results about "Tail rotor" patented technology

The invention discloses a composite type multi-mode multi-purpose aircraft, and belongs to the technical field of overall design of aviation flight vehicles. The aircraft comprises a body of a fixed wing aircraft, a driving/autorotation rotor wing system, an expelling aero-engine and a flying control system, wherein the driving/autorotation rotor wing system comprises paddle hubs and paddles; the paddles are hollow, and guide tubes B are communicated with the inner parts of the paddles; an H2O2 catalysis decomposition engine is mounted at the tail end of each paddle; the H2O2 catalysis decomposition engines are connected with the guide tubes; the guide tubes are communicated with guide tubes A; the guide tubes A are connected with an H2O2 storage box. The aircraft disclosed by the invention has the property of vertical/short-distance lifting and suspension, or even can achieve certain back flying and side flying, and can also fly forwards at a high speed; due to adoption of paddle tip air injection driving/autorotation wings, no reaction torque is generated in any mode, and thus a tail rotor as well as a speed reduction transmission and control mechanism of an ordinary helicopter are canceled; the differential thrust for thrusting an aero-engine is adopted to control to achieve steadiness and control in flying direction at a low speed, the waste weight and the energy consumption are reduced, the cost is lowered, the complexity is alleviated, and the flying security in a complex environment is effectively improved.