公开(公告)号：US20210402229A1

公开(公告)日：2021-12-30

申请号：US17178103

申请日：2021-02-17

Applicant: LG Electronics Inc.

Inventor： Chiyoung CHOI ,  Taeun HEO ,  Hojung KIM ,  Wansu YOUN ,  Sangkyun BAEK ,  Yeongcheol MUN ,  Keonwang LEE

IPC: A62B23/02 ,  A62B9/02 ,  A62B9/04 ,  A62B9/06

Abstract: A mask apparatus includes a mask body and a mask body cover coupled to the mask body. The mask body includes a front surface, a rear surface, and a pair of air ducts disposed at left and right sides of the front surface. The mask body is configured to mount a pair of fan modules at suction sides of the pair of air ducts. The mask body cover covers the pair of air ducts and the pair of fan modules. The mask body defines a cover coupling groove along an edge of the mask body, and the cover coupling groove is coupled to an edge of the mask body cover.

公开(公告)号：US20210378326A1

公开(公告)日：2021-12-09

申请号：US17170035

申请日：2021-02-08

Applicant: LG Electronics Inc.

Inventor： Chiyoung CHOI ,  Taeun HEO ,  Hojung KIM ,  Byeongwook KIM ,  Wansu YOUN ,  Sangkyun BAEK ,  Yeongcheol MUN

IPC: A41D13/11

Abstract: A mask apparatus includes a mask body, a pair of hook mounting portions at side ends of the mask body, a seal coupled to a rear surface of the mask body, and a pair of ear hook portions connected to the hook mounting portions. Each hook mounting portion includes an upper hook mounting portion, a lower hook mounting portion below the upper hook mounting portion, a hook pin at each of the upper hook mounting portion and the lower hook mounting portion, and a through-hole defined in each of the upper hook mounting portion and the lower hook mounting portion. Each ear hook portion includes a strap portion, a first hook portion connecting the strap portion to one of the upper and lower hook mounting portions, and a second hook portion connecting the strap portion to the other of the upper and lower hook mounting portions.

公开(公告)号：US20210402223A1

公开(公告)日：2021-12-30

申请号：US17174766

申请日：2021-02-12

Applicant: LG Electronics Inc.

Inventor： Chiyoung CHOI ,  Taeun HEO ,  Hojung KIM ,  Wansu YOUN ,  Sangkyun BAEK ,  Yeongcheol MUN ,  Keonwang LEE

IPC: A62B18/02 ,  A62B18/00 ,  A62B18/08

Abstract: A mask apparatus including a mask body that defines a communication hole, a sensor mounting portion that extends from a front surface of the mask body, that surrounds the communication hole, and that defines an installation space therein, a seal coupled to a rear surface of the mask body and configured to define a breathing space between the mask body and a user, a pressure sensor accommodated in the installation space and configured to sense air pressure inside the breathing space that is in communication with the communication hole, and a film disposed in the installation space and configured to restrict permeation of moisture from the breathing space into the installation space through the communication hole.

公开(公告)号：US20210378325A1

公开(公告)日：2021-12-09

申请号：US17121115

申请日：2020-12-14

Applicant: LG Electronics Inc.

Inventor： Yeongcheol MUN ,  Taeun HEO ,  Wansu YOUN ,  Sangkyun BAEK ,  Chiyoung CHOI

IPC: A41D13/11 ,  A62B18/02

Abstract: A mask apparatus includes a mask body including an air duct disposed at a front surface of the mask body, and a fan module mounting portion disposed at a suction-side of the air duct, a fan module disposed at the fan module mounting portion and configured to supply external air to the air duct, a mask body cover that is coupled to the front surface of the mask body and covers the fan module and the air duct, a seal coupled to a rear surface of the mask body and configured to contact a user's face and define a breathing space for the user, a sealing bracket that fixes a portion of the seal to the rear surface of the mask body, and a pad configured to be disposed inside the breathing space.