| 发明名称 | Centrifugal pump | ||
| 摘要 | A centrifugal pump has an electric motor, an impeller driven by the motor and a spiral volute. The impeller has an annular base plate and a plurality of vanes arranged on the base plate. The spiral volute has an inlet, an outlet and an impeller chamber in which the impeller is disposed. The inlet extends outwardly from a top wall of the volute. The outlet extends outwardly from a side wall of the volute in the spiral direction of the volute. The spiral volute has a wrap angle between 360 to 460 degrees. A washing apparatus incorporating the centrifugal pump is also provided. | ||
| 申请公布号 | US9101256(B2) | 申请公布日期 | 2015.08.11 |
| 申请号 | US201213352571 | 申请日期 | 2012.01.18 |
| 申请人 | Johnson Electric S.A. | 发明人 | Guo Chuan Jiang;Fang Chuan Hui |
| 分类号 | F04D29/42;A47L15/42;F04D29/44;D06F39/08 | 主分类号 | F04D29/42 |
| 代理机构 | Muncy, Geissler, Olds & Lowe, P.C. | 代理人 | Muncy, Geissler, Olds & Lowe, P.C. |
| 主权项 | 1. A centrifugal pump comprising: an electric motor with a shaft; an impeller driven by the shaft, the impeller having an annular base plate and a plurality of vanes arranged on the base plate; and a spiral volute with an inlet, an outlet and an impeller chamber for receiving the impeller, the inlet extending outwardly from a top wall of the volute, the outlet extending outwardly from a side wall of the volute in a spiral direction of the volute, wherein the spiral volute has a wrap angle δ between 360 to 460 degrees. | ||
| 地址 | Murten CH | ||