US 12,449,158 B2
Indoor unit of air conditioner
Kidong Kim, Seoul (KR); Seokho Choi, Seoul (KR); Sunghyun Nam, Seoul (KR); Hakjae Kim, Seoul (KR); and Pyo Sagong, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 18/008,806
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Jun. 9, 2021, PCT No. PCT/KR2021/007212
§ 371(c)(1), (2) Date Dec. 7, 2022,
PCT Pub. No. WO2021/251751, PCT Pub. Date Dec. 16, 2021.
Claims priority of application No. 10-2020-0071128 (KR), filed on Jun. 11, 2020.
Prior Publication US 2023/0204251 A1, Jun. 29, 2023
Int. Cl. F24F 13/14 (2006.01)
CPC F24F 13/1413 (2013.01) [F24F 13/1426 (2013.01); F24F 2013/1433 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An indoor unit of an air conditioner, the indoor unit comprising:
a case having an outlet elongated in one direction;
a first vane disposed at the outlet;
a second vane disposed at the outlet at a position behind the first vane;
a drive motor disposed on one side of the outlet and configured to provide a driving force to at least one of the first vane or the second vane;
a drive link coupled to a shaft of the drive motor, and having a first end connected to the first vane and a second end connected to the second vane; and
a first vane link having a first end connected to the case and a second end connected to an end portion in a longitudinal direction of the first vane, wherein the first vane has a first curvature formed on an upper surface or a lower surface in the longitudinal direction, and wherein the first vane further has a second curvature with a radius of curvature different from a radius of curvature of the first curvature.