Cyclone separation device and electric vacuum cleaner with same
US9661969B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 7, 2013 |
| Grant date | May 30, 2017 |
| Priority date | — |
| Expiry date | Jun 7, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB04C5/185
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A cyclone separation device includes: a swirl chamber that swirls air containing dust along a side wall therein, and separates dust from the air containing dust; a first dust collection chamber that communicates with an inside of the swirl chamber through a first opening formed in the side wall of the swirl chamber; a second dust collection chamber that communicates with the inside of the swirl chamber through a second opening formed on a downstream side of the first opening in the swirl chamber; a discharge pipe that communicates with a discharge port for discharging air in the swirl chamber; and a plurality of inlets that are provided on an upstream side of the first opening, and through which the air containing dust flows into the swirl chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.