Patent ID: 9416993
Filing Date: 2016-08-16
CPC Classification: F25B

Claim Text:
1. An air conditioner, comprising: at least one indoor device; and an outdoor device connected to the at least one indoor device, wherein the outdoor device comprises: an outdoor heat exchanger comprising a plurality of heat exchange parts; a plurality of outdoor expansion parts corresponding to the plurality of heat exchange parts, respectively; a pass variable tube configured to vary refrigerant flow in the outdoor heat exchanger; a pass variable valve provided in or on the pass variable tube, wherein the plurality of heat exchange parts comprises first and second heat exchange parts and the plurality of outdoor expansion parts comprises first and second outdoor expansion parts, wherein the first heat exchange part is connected to a manifold that distributes refrigerant flow in a heating operation, wherein the manifold is connected to capillaries connected to the first outdoor expansion part, and wherein the pass variable tube is connected to the manifold, a first connection tube in which refrigerant discharged from the first heat exchange part flows in the heating operation; and a second connection tube in which refrigerant discharged from the second heat exchange part flows in the heating operation, wherein the pass variable tube is connected to the second connection tube, wherein a check valve is provided in or on the second connection tube that allows the refrigerant to flow only in one direction, and the pass variable tube is connected to the second connection tube between the check valve and the second heat exchange part.