US 12,292,228 B2
Refrigerator
Peng Lyu, Qingdao (CN); Jiaming Li, Qingdao (CN); Zhanpeng Cui, Qingdao (CN); and Hao Zhang, Qingdao (CN)
Assigned to QINGDAO HAIER REFRIGERATOR CO., LTD., Shandong (CN); and HAIER SMART HOME CO., LTD., Shandong (CN)
Appl. No. 18/245,366
Filed by QINGDAO HAIER REFRIGERATOR CO., LTD., Shandong (CN); and HAIER SMART HOME CO., LTD., Shandong (CN)
PCT Filed Sep. 7, 2021, PCT No. PCT/CN2021/116934
§ 371(c)(1), (2) Date Mar. 15, 2023,
PCT Pub. No. WO2022/057683, PCT Pub. Date Mar. 24, 2022.
Claims priority of application No. 202010970815.8 (CN), filed on Sep. 15, 2020.
Prior Publication US 2023/0332824 A1, Oct. 19, 2023
Int. Cl. F25D 23/02 (2006.01); F25D 23/12 (2006.01)
CPC F25D 23/028 (2013.01) [F25D 23/12 (2013.01); F25D 2323/023 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A refrigerator, comprising:
a refrigerator body having an open front side to define a first compartment;
a primary door mounted to the refrigerator body and used for opening/closing the first compartment, the primary door defining a second compartment having an open front side, the second compartment being formed in the primary door; and
a secondary door mounted to the primary door and used for opening/closing the second compartment, the secondary door comprising a state adjustable door panel, and the state adjustable door panel being configured to controllably change transparency such that the visibility of an internal structure of the second compartment is adjustable;
wherein a rear wall of the primary door is provided with an air supply port and a return air port which are communicated with the first compartment and the second compartment;
wherein the rear wall is hollow;
wherein a condensation removing air duct communicated with the first compartment is defined in the rear wall,
wherein a plurality of condensation removing holes directly communicated with the second compartment and the condensation removing air duct and directly facing the second compartment are formed in a front surface of the rear wall; and
wherein the refrigerator is configured to be:
in a cooling cycle mode where air in the first compartment enters the second compartment through the air supply port and then returns to the first compartment through the return air port, or
in a condensation removing mode where the air in the first compartment enters the condensation removing air duct, and then part of an air flow is allowed to flow from the condensation removing air duct to the front surface of the rear wall and the second compartment through the condensation removing holes to remove surface condensation of the rear wall.