Dust collection unit of vacuum cleaner
US7488363B2 · kind B2 · utility
88Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 2005 |
| Grant date | Feb 10, 2009 |
| Priority date | — |
| Expiry date | Mar 28, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/03
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A dust collecting unit of a vacuum cleaner is provided. The dust collecting unit includes: a plurality of storing chambers and a plurality of filtering chambers provided in the inside of a multi-cyclone dust collecting unit. To improve reliability of the product, the storing chambers and the filtering chambers are integrally formed as one body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.