Dust collector of vacuum cleaner
US7662202B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2006 |
| Grant date | Feb 16, 2010 |
| Priority date | — |
| Expiry date | Apr 15, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/03
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed is a dust collector of a vacuum cleaner. The dust collector comprises: a cyclone body forming a cyclone chamber and having a bottom wall and an air inlet, air being admitted into the cyclone chamber and rotating in the cyclone chamber; an outlet pipe extending upwardly from the bottom wall of the cyclone body; and a dust-bin body surrounding the cyclone body in such a manner that a dust collection space is formed between the dust-bin body and the cyclone body. The inner diameter of the cyclone body is increased as approaching a height near the top end of the outlet pipe from the bottom wall of the cyclone body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.