US 11,703,234 B2
Window air conditioner
Junhua Zhou, Guangdong (CN)
Assigned to GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD., Guangdong (CN); and MIDEA GROUP CO., LTD., Guangdong (CN)
Filed by GD MIDEA AIR-CONDITIONING EQUIPMENT CO., LTD., Guangdong (CN); and MIDEA GROUP CO., LTD., Guangdong (CN)
Filed on Jun. 2, 2020, as Appl. No. 16/890,014.
Application 16/890,014 is a continuation of application No. PCT/CN2020/072909, filed on Jan. 19, 2020.
Claims priority of application No. 201911196277.5 (CN), filed on Nov. 28, 2019; and application No. 201922096576.3 (CN), filed on Nov. 28, 2019.
Prior Publication US 2021/0164668 A1, Jun. 3, 2021
Int. Cl. F24F 1/0358 (2019.01); F24F 1/027 (2019.01); F24F 1/028 (2019.01); F24F 1/031 (2019.01); F24F 1/0323 (2019.01); F24F 13/20 (2006.01); F24F 13/30 (2006.01); F24F 13/06 (2006.01)
CPC F24F 1/0358 (2019.02) [F24F 1/027 (2013.01); F24F 1/028 (2019.02); F24F 1/031 (2019.02); F24F 1/0323 (2019.02); F24F 13/06 (2013.01); F24F 13/20 (2013.01); F24F 13/30 (2013.01); F24F 2013/202 (2013.01); F24F 2013/205 (2013.01); F24F 2221/20 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A window air conditioner comprising:
a casing defining an indoor air duct;
an indoor heat exchanger, provided inside the casing and comprising:
a first indoor heat exchanger; and
a second indoor heat exchanger;
wherein:
the first indoor heat exchanger and the second indoor heat exchanger are configured to be stacked in an air inlet direction of the indoor air duct; and
in a constant temperature dehumidification mode, one of the first indoor heat exchanger and the second indoor heat exchanger is configured to be in a heating mode, and the other one of the first indoor heat exchanger and the second indoor heat exchanger is configured to be in a cooling mode;
an indoor fan provided inside the indoor air duct; and
a fresh air device, configured to deliver fresh air to the indoor air duct and comprising:
a fresh air inlet, communicating with outdoor air;
a fresh air outlet, communicating with the indoor air duct; and
a fresh air duct, communicating the fresh air inlet and the fresh air outlet,
wherein the casing comprises an indoor casing, where:
the indoor casing defines the indoor air duct;
the fresh air outlet is defined on a rear side wall surface of the indoor casing;
an indoor air inlet is defined on a front side wall surface of the indoor casing; and
the indoor casing defines an indoor air outlet, communicating with the indoor air duct and located above the indoor air inlet, and
wherein the fresh air outlet and the indoor air inlet defined by the indoor casing are located at an air inlet side of the indoor fan, and
wherein the fresh air outlet is arranged relative to the indoor fan and the indoor heat exchanger such that the fresh air directly delivered out of the fresh air outlet is firstly blown out from the indoor air outlet by the indoor fan, the fresh air blown out from the indoor air outlet and mixed with indoor air, and afterwards, the mixed air introduced from the indoor air inlet by the indoor fan is sequentially passed through the first indoor heat exchanger and the second indoor heat exchanger and blown out through the indoor air outlet by the indoor fan.