Air purification device and method for controlling same
US11739959B2 · kind B2 · utility
1Cited by
12References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 19, 2018 |
| Grant date | Aug 29, 2023 |
| Priority date | — |
| Expiry date | Feb 6, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B30/70
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An air purifier is provided. The air purifier includes a plurality of filters, a driving unit configured to individually move the plurality of filters, and a processor configured to control the driving unit so that at least one of the plurality of filters is disposed in an air passage in the air purifier according to an air state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.