US 12,442,543 B2
Ceiling type indoor unit of air conditioner
Miyoung Lee, Seoul (KR); Kidong Kim, Seoul (KR); Jaehyeon Kim, Seoul (KR); and Seokho Choi, Seoul (KR)
Assigned to LG ELECTRONICS INC., Seoul (KR)
Appl. No. 17/908,613
Filed by LG ELECTRONICS INC., Seoul (KR)
PCT Filed Mar. 2, 2021, PCT No. PCT/KR2021/002527
§ 371(c)(1), (2) Date Sep. 1, 2022,
PCT Pub. No. WO2021/177684, PCT Pub. Date Sep. 10, 2021.
Claims priority of application No. 10-2020-0026214 (KR), filed on Mar. 2, 2020.
Prior Publication US 2023/0124307 A1, Apr. 20, 2023
Int. Cl. F24F 1/0047 (2019.01)
CPC F24F 1/0047 (2019.02) 22 Claims
OG exemplary drawing
 
21. A ceiling-type indoor unit of an air conditioner, comprising:
a case in which a plurality of discharge holes is formed;
a first vane disposed at each of the plurality of discharge holes;
a vane motor that is coupled to the case and provides a drive force to the first vane;
a drive link that is rotatably coupled to the case and coupled with the vane motor and transmits the drive force of the vane motor to the first vane;
a first vane link rotatably coupled to the case and the first vane;
a support bracket coupled to the case and disposed at each of the plurality of discharge holes;
a support link disposed between a first end and a second end in a longitudinal direction of the first vane and rotatably coupled to the first vane and the support bracket; and
a support bar a first end of which is coupled to the first vane link and a second end of which is coupled to the support link, wherein the support bar extends in the longitudinal direction of the first vane.