Patent · US Active

Electrostatic dust filter

US11958059B2 · kind B2 · utility

0Cited by
10References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 11, 2021
Grant dateApr 16, 2024
Priority date
Expiry dateApr 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.