Cyclonic separation device and application thereof
US12059120B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 1, 2019 |
| Grant date | Aug 13, 2024 |
| Priority date | — |
| Expiry date | Sep 10, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB04C2009/002
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A cyclonic separation device and a vacuum cleaner including the cyclonic separation device are disclosed. The cyclonic separation device includes a housing and a cyclonic separation device. The cyclonic separation device is provided in the housing to allow dirt in a dust-containing airflow to be separated. The cyclonic separation device includes a first-stage cyclone separator and second-stage cyclone separators located downstream of the first-stage cyclone separator in a flow direction of the airflow. The second-stage cyclone separators surround the first-stage cyclone separator. The first-stage cyclone separator includes an air guide channel and a first-stage cyclone channel surrounding a part of the air guide channel. The dust-containing airflow enters, from the air guide channel, the first-stage cyclone channel for cyclonic separation and then enters the second-stage cyclone separators again through the air guide channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.