公开(公告)号：US20210040953A1

公开(公告)日：2021-02-11

申请号：US16981928

申请日：2019-04-02

Applicant: LG ELECTRONICS INC.

Inventor： Taejun KIM ,  Atul DHIMAN ,  Shivendra SINGH ,  Jeeman PARK ,  Yeongcheol MUN ,  Wonsuk PARK ,  Slyoung OH ,  Seokho CHOI

IPC: F04D25/08 ,  F04D29/38

Abstract: According to an embodiment of the present disclosure, a ceiling fan may include a shaft coupled to a ceiling, a cover to surround the shaft, a main blade having a blade hole which is a space open inward, and a sub-blade positioned in the blade hole. The ceiling fan may resolve the red zone of the air flow and may improve air volume and the flow rate due to the dual blades.