Patent ID: 7918107

Claim:
A heat exchanger comprising: a hollow main body having a cover plate and a bottom plate, wherein the cover plate and the bottom plate are substantially identical; an accumulator substantially concentrically disposed in the main body for transmitting a liquid refrigerant at low pressure, wherein the accumulator includes a suction tube and a deflecting device for separating liquid and vapor phases of the refrigerant, the suction tube having a vapor entrance and a vapor exit, wherein the vapor entrance is disposed below the deflecting device and the vapor exit is located outside the accumulator in a gap formed between the accumulator and the main body; and a finned tube for transmitting the refrigerant at high pressure, wherein the finned tube is coiled around the accumulator and disposed in the gap formed between the accumulator and the main body, wherein the cover plate and the bottom plate are disposed at opposing ends of the main body and together with the main body enclose an entirety of the accumulator, and wherein a first end of the firmed tube is sealed to the cover plate and a second end of the finned tube is sealed to the bottom plate.