US 11,988,400 B2
Air-outlet duct structure, air-outlet panel and patio type air conditioner indoor unit
Jianguo Xiong, Guangdong (CN); Bochun Liu, Guangdong (CN); Junyong Wang, Guangdong (CN); Zhiyao Hu, Guangdong (CN); Jinguo Zeng, Guangdong (CN); and Lixuan Gong, Guangdong (CN)
Assigned to Gree Electric Appliances, Inc. of Zhuhai, Guangdong (CN)
Appl. No. 17/258,858
Filed by Gree Electric Appliances, Inc. of Zhuhai, Guangdong (CN)
PCT Filed May 17, 2019, PCT No. PCT/CN2019/087353
§ 371(c)(1), (2) Date Jan. 8, 2021,
PCT Pub. No. WO2020/052264, PCT Pub. Date Mar. 19, 2020.
Claims priority of application No. 201811076214.1 (CN), filed on Sep. 14, 2018.
Prior Publication US 2021/0285660 A1, Sep. 16, 2021
Int. Cl. F24F 1/0014 (2019.01); F24F 1/0047 (2019.01); F24F 13/08 (2006.01)
CPC F24F 1/0014 (2013.01) [F24F 1/0047 (2019.02); F24F 13/081 (2013.01)] 11 Claims
OG exemplary drawing
 
1. An air outlet panel, comprising a panel body and a corner cover plate disposed at a corner of the panel body, wherein the corner cover plate and the panel body constitute an air outlet duct structure, the air outlet duct structure comprises a first air duct wall and a second air duct wall arranged oppositely, an air outlet passage is formed between the first air duct wall and the second air duct wall, the first air duct wall comprises a plurality of concave curved surfaces connected along an airflow direction, and a plurality of curvature radii of the plurality of concave curved surfaces decrease sequentially along the airflow direction, a part of a lateral surface of the panel body constitutes the first air duct wall, and a part of a lateral surface of the corner cover plate constitutes the second air duct wall, and a corner air outlet of the air outlet panel is formed between the corner cover plate and the panel body; a flow guide structure is provided between the corner cover plate and the panel body, the flow guide structure comprises a plurality of flow guide plates arranged along an airflow direction, each of the plurality of flow guide plates comprises a raised structure comprising a plurality of strip-like protrusions having a length extending along a length of a respective flow guide plate.