Robot cleaner system having robot cleaner and docking station
US7891045B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2008 |
| Grant date | Feb 22, 2011 |
| Priority date | — |
| Expiry date | Apr 25, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L2201/024
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Disclosed is a robot cleaner system having superior functions of sucking dust and exhausting dust to a docking station. The robot cleaner includes a dust suction port to suck dust, a dust collecting chamber to collect dust introduced through the dust suction port, a dust exhaust port to exhaust dust collected in the dust collecting chamber to the docking station, a connection path extending from the dust suction port to the dust exhaust port in adjacent to the dust collecting chamber, and a valve device provided between the connection path and the dust collecting chamber, an opening/closing of the valve device allowing the dust collecting chamber to selectively communicate with the dust suction port or the dust exhaust port according to a pressure difference between the dust collecting chamber and the connection path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.