Vacuum cleaner with removable dust collector, and methods of operating the same
US8544143B2 · kind B2 · utility
28Cited by
46References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2009 |
| Grant date | Oct 1, 2013 |
| Priority date | — |
| Expiry date | Mar 15, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/108
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner includes a dust collector that compresses dust stored inside a dust container to minimize the volume of the dust. The dust collector would include one or more pressing plates that are used to compress the dust stored in dust collector. Various methods are used to control movements of the movable pressing plates to facilitate the compression operations. Also, various methods are used to determine when the dust collector is full and needs to be emptied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.