Patent ID: 11958059
Assignee: LG ELECTRONICS INC.
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 0:
1. An electrostatic dust filter, comprising:
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 a harmful substance in the air;
a mesh member that covers a front of the frame and has a plurality of pores through which the air passes;
a ground electrode that covers a rear of the frame, has a plurality of pores through which the air passes, and is grounded; and
a voltage electrode that is disposed opposite to the ground electrode with respect to the mesh member and is applied with a high voltage,
wherein:
the frame is formed in a cylindrical shape, and the space is arranged in a circumferential direction,
the voltage electrode has a ring shape extending in the circumferential direction along a circumference of the frame,

the ground electrode covers an inner circumferential surface of the frame, and
the mesh member covers an outer circumferential surface of the frame.