Vacuum cleaner with motor cooling
US10016111B2 · kind B2 · utility
0Cited by
17References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 2015 |
| Grant date | Jul 10, 2018 |
| Priority date | — |
| Expiry date | Oct 21, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/28
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner having a dirt-separation stage and a vacuum motor for moving air through the dirt-separation stage. The vacuum motor includes an impeller driven by an electric motor. The impeller is then located upstream of the dirt-separation stage, the electric motor is located downstream of the dirt-separation stage, and at least part of the air discharged from the dirt-separation stage is used to cool the electric motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.