US 12,188,685 B2
Hygiene management device for entrance hall
Taihong Kim, Seoul (KR); Hyunbyung Cha, Seoul (KR); Hyunsun Yoo, Seoul (KR); Joohyeon Oh, Seoul (KR); Byoungjoonphilip Han, Seoul (KR); Sang Yoon Lee, Seoul (KR); HyunJu Kim, Seoul (KR); and Chul Bae Lee, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Filed by LG ELECTRONICS INC., Seoul (KR)
Filed on Dec. 14, 2021, as Appl. No. 17/550,627.
Claims priority of application No. 10-2020-0174512 (KR), filed on Dec. 14, 2020; and application No. 10-2021-0015903 (KR), filed on Feb. 4, 2021.
Prior Publication US 2022/0186956 A1, Jun. 16, 2022
Int. Cl. F24F 9/00 (2006.01); F24F 11/79 (2018.01); F24F 13/072 (2006.01); F24F 120/12 (2018.01)
CPC F24F 9/00 (2013.01) [F24F 11/79 (2018.01); F24F 13/072 (2013.01); F24F 2009/007 (2013.01); F24F 2120/12 (2018.01)] 20 Claims
OG exemplary drawing
 
1. A hygiene management device, comprising:
a fan assembly configured to generate an air flow;
a duct connected to the fan assembly and configured to guide a flow of the air; and
an air discharger connected to the duct and configured to discharge the air guided from the duct to a person, the air discharger including:
a top plate located at an upper side of an entrance space;
a footrest located at a bottom side of the entrance space and facing the top plate; and
a plurality of pillar frames connecting the top plate with the footrest, each pillar frame having a discharge nozzle part which discharges air to the person,
wherein each pillar frame is positioned between the top plate and the footrest and is rotatable, and
wherein each pillar frame is disposed on an edge portion of the footrest.