Magnetic levitation bearing structure and magnetic levitation compressor structure

US11466731B2 · kind B2 · utility

Assignee

• GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI · CN

Inventors

• Penghui LIU · Zhuhai, CN
• Xiaobo ZHANG · Shanghai, CN
• Fang Zhang · Zhuhai, CN
• Gao Gong · Zhuhai, CN
• Chao Zhang · 安丰镇, CN
• Jiuzhan Su · Zhuhai, CN
• Xin Li · Beijing, CN
• Ruhao Dong · Zhuhai, CN
• Mingxing Deng · Longbeilingcun, CN
• Fei Wang · San Jose, US

Key dates

• Filing date: Sep 2, 2019
• Grant date: Oct 11, 2022
• Expiry date: Sep 2, 2039

Classification

• Technology area (CPC H): Electricity
• CPC primary: H02K2205/03
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

Magnetic levitation bearing structure includes a cylinder body, a rotating shaft, a motor stator, a motor rotor, an axial bearing, a radial bearing and a displacement sensing device; the displacement sensing device, the axial bearing stator, and the radial bearing stator are directly fixed on an inner wall of the cylinder body.