US 11,913,658 B2
Air purifier
Euysung Chu, Suwon-si (KR); Byungghun Kim, Suwon-si (KR); Wooseog Song, Suwon-si (KR); Taeyong Lee, Suwon-si (KR); and Youngseok Lim, Suwon-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Dec. 28, 2020, as Appl. No. 17/134,882.
Claims priority of application No. 10-2019-0175829 (KR), filed on Dec. 27, 2019.
Prior Publication US 2021/0199323 A1, Jul. 1, 2021
Int. Cl. F24F 11/34 (2018.01); F24F 11/88 (2018.01); F24F 13/10 (2006.01); F24F 13/20 (2006.01); F24F 110/10 (2018.01); F24F 110/40 (2018.01); F24F 110/65 (2018.01); F24F 110/80 (2018.01)
CPC F24F 11/34 (2018.01) [F24F 11/88 (2018.01); F24F 13/10 (2013.01); F24F 13/20 (2013.01); F24F 2110/10 (2018.01); F24F 2110/40 (2018.01); F24F 2110/65 (2018.01); F24F 2110/80 (2018.01)] 19 Claims
OG exemplary drawing
 
1. An air purifier comprising:
a main body having an inlet; and
a discharge device mounted on the main body and configured to receive air introduced into the main body through the inlet and discharge the air from the air purifier,
wherein the discharge device includes:
a discharge opening;
a first case fixed to the main body and having a first discharge portion;
a second case disposed to cover the first case and having a second discharge portion disposed to be opposite to the first discharge portion to cover the first discharge portion;
an opening and closing member including a portion having a size and shape corresponding to the discharge opening, and configured to move out of the discharge opening and into the discharge opening in a vertical direction to open and close the discharge opening; and
the first discharge portion and the second discharge portion including a plurality of discharge holes, wherein each discharge hole of the plurality of discharge holes has a size smaller than a size of the discharge opening, and wherein at least one of the first discharge portion and the second discharge portion has an air discharging area that is variable,
wherein the second case is movable with respect to the first case in a vertical direction so that the second discharge portion is enabled to uncover a portion of the first discharge portion.