公开(公告)号：US20240382053A1

公开(公告)日：2024-11-21

申请号：US18667140

申请日：2024-05-17

Applicant: LG ELECTRONICS INC.

Inventor： Dongrak CHOI ,  Geunbae HWANG ,  Sunghyun KI

IPC: A47L9/00

Abstract: A noise reduction device for cleaners includes: a first flow path having a first end communicating with an air outlet and a second end that is open, the first flow path extending in a first direction; and a second flow path having a first end connected between the first end and the second end of the first flow path and a second end that is closed, the second flow path extending in a second direction intersecting the first direction, wherein the first flow path is disposed to surround the second flow path.

公开(公告)号：US20240382054A1

公开(公告)日：2024-11-21

申请号：US18667210

申请日：2024-05-17

Applicant: LG ELECTRONICS INC.

Inventor： Dongrak CHOI ,  Geunbae HWANG ,  Goondong PARK

IPC: A47L9/00

Abstract: A noise reduction device according includes: a guide flow path guiding air discharged through an air outlet; a first flow path having a first end communicating with the guide flow path and a second end that is open, the first flow path extending in a first direction; and a second flow path having a first end connected between the first end and the second end of the first flow path and a second end that is closed, the second flow path extending in a second direction intersecting the first direction, wherein the guide flow path overlaps the second flow path in the first direction.