Centrifugal compressor and air conditioning equipment

US11608833B2 · kind B2 · utility

Assignee

• GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI · CN

Inventors

• Hua Liu · Longbeilingcun, CN
• Zhiping Zhang · Longbeilingcun, CN
• Hongbo Li · Nanjing, CN
• Ruixing Zhong · Zhuhai, CN
• Yuhui Chen · Tangxia, CN
• Wenteng Ye · Longbeilingcun, CN
• Jingli Qi · Longbeilingcun, CN
• Sheng Liu · Taichung, TW

Key dates

• Filing date: Oct 24, 2019
• Grant date: Mar 21, 2023
• Expiry date: Oct 24, 2039

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F04D29/624
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

The present disclosure relates to a centrifugal compressor and air conditioning equipment. The centrifugal compressor includes: a main shaft; a diffuser, provided with a first thrust bearing at one end away from a diffusion surface; a supporting assembly, provided with a second thrust bearing at one end facing towards the diffuser; and a thrust disk, configured to rotate together with the main shaft, located between the diffuser and the supporting assembly along an axial direction and provided with a thrust portion, a clearance between one side of the thrust portion and the first thrust bearing and a clearance between the other side of the thrust portion and the second thrust bearing being limited through mutual abutting of the diffuser and the supporting assembly.