Rotor structure and flying car with good noise reduction effect

Through the design of bionic protrusions and rotor holes, combined with springs and drive structures, the problem of unstable rotor noise under different working conditions is solved, the noise reduction effect at different speeds is achieved, the service life is extended and energy consumption is saved.

CN119460093BActive Publication Date: 2025-10-24JILIN UNIVERSITY
2 Cites 0 Cited by

Patent Information

Application Number
CN202411825086.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-10-24
Estimated Expiration
2044-12-12

AI Technical Summary

Technical Problem

The existing bionic noise reduction structures have unstable noise performance under different working conditions. Some structures may increase noise under specific working conditions. In addition, the rotor speed has a high correlation with noise, making it difficult to balance the noise reduction effect at different speeds.

Method used

The bionic protrusion and rotor hole design, combined with spring and drive structure, the bionic protrusion can automatically open and close according to the rotor speed. The inverted T-shaped rotor hole and rounded corner design ensure that the rotor surface is smooth, reducing eddy currents and noise.

Benefits of technology

It effectively reduces aerodynamic noise at different rotor speeds, ensures a smooth rotor surface, extends service life, saves energy, and achieves noise reduction effects across the full speed range.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The application relates to the field of rotors, in particular to a rotor structure with good noise reduction effect and a flying car. The rotor structure with good noise reduction effect comprises a bionic convex and a rotor body, the bionic convex comprises a rotating side and a round corner side, the rotating side is connected with a driving structure, and the round corner side is in contact with a spring, the bionic convexes are arranged in an array at the tail end of the rotor body, and the rotor body is also provided with rotor holes in an array for placing the bionic convexes and the springs. The bionic convexes can be extended at low speed, so that the rotor is subjected to noise reduction, and the bionic convexes can be retracted at high speed, so that the noise of the flying car can be reduced, sound pollution can be reduced, and the application prospect is wide.
Need to check novelty before this filing date? Find Prior Art