Cleaning appliance
US11344168B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 21, 2019 |
| Grant date | May 31, 2022 |
| Priority date | — |
| Expiry date | May 21, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/322
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A cleaning appliance comprises a first housing having a hollow cylinder shape; a second housing fixed to a circumferential surface of the first housing; a third housing provided on a circumferential surface of the first housing and having an exhaust hole; a first communication hole between the first and second housings; a fan for moving air from the second communication hole to the exhaust hole; a particle separator for separating particles from the air by centrifugal force; a battery housing protruded from a rear surface of the first housing, wherein the center of gravity of the fan is located between the center of gravity of the particle separator and the center of gravity of the battery, and a rotary shaft for the fan is parallel with a straight line passing through the center of gravity of the particle separator along a longitudinal direction of the first housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.