Patent ID: 8826971

Claim:
A micro-channel heat exchanger, comprising: a first header formed with an inlet; a second header spaced apart from the first header by a predetermined distance, in which one of the first and second headers is formed with an outlet; flat tubes, in which two ends of each flat tube are connected with the first and second headers respectively such that a plurality of micro-channels of each flat tube communicate with the first and second headers; fins, in which each fin is disposed between two adjacent flat tubes; and a return pipe, a first end of which is connected to the outlet formed in one of the first and second headers and a second end thereof is extended towards the other of the first and second headers; wherein the second end of the return pipe passes through the first or second header by by-passing the first or second header so that the return pipe is formed around a portion of the first or second header being by-passed and conforms to the shape thereof.