US 12,253,294 B2
Refrigerator
Zhanpeng Cui, Shandong (CN); Jiaming Li, Shandong (CN); Peng Lyu, Shandong (CN); and Lisheng Ji, Shandong (CN)
Assigned to SHENYANG HAIER REFRIGERATOR CO., LTD., Liaoning (CN); QINGDAO HAIER REFRIGERATOR CO., LTD., Shandong (CN); and HAIER SMART HOME CO., LTD., Shandong (CN)
Appl. No. 18/025,432
Filed by SHENYANG HAIER REFRIGERATOR CO., LTD., Liaoning (CN); QINGDAO HAIER REFRIGERATOR CO., LTD., Shandong (CN); and HAIER SMART HOME CO., LTD., Shandong (CN)
PCT Filed Aug. 31, 2021, PCT No. PCT/CN2021/115640
§ 371(c)(1), (2) Date Mar. 9, 2023,
PCT Pub. No. WO2022/057616, PCT Pub. Date Mar. 24, 2022.
Claims priority of application No. 202010968834.7 (CN), filed on Sep. 15, 2020.
Prior Publication US 2023/0324101 A1, Oct. 12, 2023
Int. Cl. F25D 17/08 (2006.01); F25D 17/06 (2006.01); F25D 23/02 (2006.01)
CPC F25D 17/062 (2013.01) [F25D 17/08 (2013.01); F25D 23/028 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A refrigerator, comprising a refrigerator body and a door body, wherein a front side of the refrigerator body is open to define a first chamber; the door body comprises a main door and a secondary door, the main door is used for opening and closing the first chamber and defining a second chamber, and the secondary door is used for opening and closing the second chamber, wherein
a rear wall of the main door is of a hollow structure to define an air duct between a front surface and a rear surface of the rear wall, the air duct extending vertically to run through the rear wall in an up and down direction, and a plurality of air diffusion micro-holes communicated with the second chamber and the air duct and directly facing the second chamber are backwards formed in the front surface of the rear wall; and
the refrigerator is configured such that cold air produced by the refrigerator is introduced into the air duct, and then is allowed to enter the second chamber from the air duct through the plurality of air diffusion micro-holes.