| 摘要 |
A heat exchanger has a tubular inlet header and a tubular outlet header, each formed in its peripheral wall with a slot extending axially thereof, and a zigzag tube comprising a plurality of straight tube portions arranged in parallel to one another and bent portions each interconnecting the immediately adjacent straight tube portions at their upper or lower ends. The tube portions at opposite ends of the flat tube are joined to the respective headers with the unconnected end of each tube portion inserted in the slot. An extension of the center line of the flat tube portion inserted in the outlet header does not intersect the center line of the outlet header.
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