Electrostatic dust filter
US11958059B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 11, 2021 |
| Grant date | Apr 16, 2024 |
| Priority date | — |
| Expiry date | Apr 9, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03C2201/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Provided is an electrostatic dust filter including a frame that is opened back and forth and forms a space through which air passes, a chemical absorbent that is accommodated in the space and absorbs harmful substance in the air, a mesh member that covers the front of the frame and has a plurality of pores through which the air passes, a ground electrode that covers the rear of the frame and has the plurality of pores through which the air passes, and is grounded, and a voltage electrode that is disposed to opposite to the ground electrode with respect to the mesh member and applied with a high voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.