| 摘要 |
PROBLEM TO BE SOLVED: To obtain a heat exchanger, in particular an evaporator, reducing the number of turns of a refrigerant flow, achieving uniform heat exchange with wind and improving temperature distribution. SOLUTION: In particular, the evaporator is used as an evaporator where a refrigerant sucked to an ejector of an ejector cycle is made to flow. A partition part 4 extended in the direction orthogonal to a wind flow shown in the arrow 3 is provided within an upper rank of the evaporator so as to abut on the end faces of tubes 2. Blocked by the partition part 4, the refrigerant makes a U-turn within the tubes 2 and in the lower tank shown in the arrows 5, 6, and is made to flow in the forward/backward direction of the wind flow as a countercurrent. Thus, this prevents cold and warm temperature distribution in the lateral direction orthogonal to the wind flow and reduces pressure loss. COPYRIGHT: (C)2010,JPO&INPIT
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