公开(公告)号：US20230021198A1

公开(公告)日：2023-01-19

申请号：US17583704

申请日：2022-01-25

Applicant: LG Electronics Inc.

Inventor： Dongeun KIM ,  Dongkwon AN ,  Youngho JO ,  Yeongcheol MUN ,  Jihoon BAE

IPC: A62B18/00 ,  A62B7/10 ,  A62B23/02 ,  A62B18/08

Abstract: A mask apparatus includes: a mask body including a rear body and a front body coupled to a front surface of the rear body and providing an inlet and an outlet, a face guard coupled to the rear body, accommodating a portion for user's face, and defining a respiration space, an air cleaning module mounted on the rear body, purifying air introduced into the inlet, and supplying the purified air to the respiration space, a main control module mounted on the front surface of the rear body, and a battery mounted on the front surface of the rear body corresponding to a lower side of the main control module. The main control module includes: a main control substrate, a first electric part component mounted on a front surface of the main control substrate, and a second electric part component mounted on a rear surface of the main control substrate.

公开(公告)号：US20210048032A1

公开(公告)日：2021-02-18

申请号：US16977386

申请日：2019-04-02

Applicant: LG ELECTRONICS INC.

Inventor： Jihoon BAE ,  Atul DHIMAN ,  Shivendra SINGH ,  Anand ANAND ,  Seulki KIM ,  Yeongcheol MOON ,  Jeeman PARK

IPC: F04D27/00 ,  F04D29/52 ,  G08B5/36

Abstract: According to an embodiment of the present disclosure, a ceiling fan includes a shaft coupled to a ceiling or a wall surface, a housing cover provided at a central axis thereof with a shaft and receiving a motor assembly and an electronic unit, and a blade coupled to the housing cover. The electronic unit is provided in a multi-stage.