▎ 摘　　要

NOVELTY - The structure has a magnetic suspension support formed between a radial magnetic bearing (3) and a rotor magnetic yoke (4) to meet the requirements of high-speed rotation of the rotor for aeronautical shaft less rim electric propulsion to reduce loss and noise. A ring rotor (1) has a short axial length and a small thrust disc, which increases the critical speed of the ring rotor under the action of the magnetic suspension bearing. The rotor magnetic yoke is made of high-strength amorphous alloy material, which avoids the use of a rotor protective sleeve and achieves the goal of further weight reduction. The ring rotor and a fan assembly (6) are integrally designed. The fan assembly is disassembled and installed by adopting a locking ring structure (5). USE - Magnetic suspension ring rotor structure for electric propulsion of aircraft coreless wheel. ADVANTAGE - The ring rotor main body adopts graphene composite reinforced aluminum base material, effectively reducing the ring rotor structure weight, reducing the design difficulty of the radial magnetic bearing. The quality and speed characteristics of the non-shaft flange electric propulsion high-speed rotor is improved, and the reliability of the electric propulsion system of the aircraft shaft-less flange is improved. The axial length of ring rotor is short, the thrust plate is small, it can improve the critical speed under the action of magnetic suspension bearing. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic diagram of the magnetic suspension ring rotor structure for aviation core less wheel rim electric propulsion. 1Ring rotor 2Axial magnetic bearing 3Radial magnetic bearing 4Rotor magnetic yoke 5Locking ring structure 6Fan assembly