| 发明名称 | Vacuum cleaner with motor between separation stages | ||
| 摘要 | A vacuum cleaner that includes a first dirt-separation stage, a second dirt-separation stage, and a vacuum motor for moving air through the first dirt-separation stage and the second dirt-separation stage. The vacuum motor has a centrifugal impeller driven by an electric motor. The first dirt-separation stage is then located upstream of the impeller, the second dirt-separation stage is located downstream of the impeller, and the second dirt-separation stage has a plurality of cyclonic separators that are arranged around the vacuum motor. | ||
| 申请公布号 | US9532691(B2) | 申请公布日期 | 2017.01.03 |
| 申请号 | US201514919603 | 申请日期 | 2015.10.21 |
| 申请人 | Dyson Technologies Limited | 发明人 | Box Charles Geoffrey;Johnson Mark Andrew |
| 分类号 | A47L9/28;A47L5/22;A47L9/16;H02K9/06;A47L9/22 | 主分类号 | A47L9/28 |
| 代理机构 | Morrison & Foerster LLP | 代理人 | Morrison & Foerster LLP |
| 主权项 | 1. A vacuum cleaner comprising a first dirt-separation stage, a second dirt-separation stage, and a vacuum motor for moving air through the first dirt-separation stage and the second dirt-separation stage, wherein the vacuum motor comprises a centrifugal impeller driven by an electric motor, the first dirt-separation stage is located upstream of the impeller, the second dirt-separation stage is located downstream of the impeller, and the second dirt-separation stage comprises a plurality of cyclonic separators arranged around the vacuum motor. | ||
| 地址 | Malmesbury, Wiltshire GB | ||