Patent ID: 9581391
Date: 2017-02-28
CPC Classifications: F24F,F25B,F28D,F28F

Claim:
1. An air conditioning apparatus comprising: an aluminum heat exchanger configured to perform heat exchange between air and a refrigerant, the aluminum heat exchanger being disposed upright; an aluminum gas pipe configured and arranged to channel gas refrigerant, the aluminum gas pipe extending from a side part of the aluminum heat exchanger; an aluminum liquid pipe configured and arranged to channel liquid refrigerant, the aluminum liquid pipe extending from an area below the aluminum gas pipe in the side part of the aluminum heat exchanger; a copper gas pipe configured and arranged to channel gas refrigerant; and a copper liquid pipe configured and arranged to channel liquid refrigerant, the aluminum gas pipe being connected in a connecting part to the copper gas pipe from above the copper gas pipe, the aluminum liquid pipe being disposed in an area outside of directly connecting part of the aluminum gas pipe and the copper gas pipe, the aluminum liquid pipe having a first turn-back part extending upward from the side part of the aluminum heat exchanger and then forming a U-turn to extend downward, and the copper liquid pipe being connected to an end of the first turn-back part from below.