| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat exchanger and a method of manufacturing the heat exchanger capable of configuring a gateway portion, a flow channel converting portion and a heat exchanging portion with small kinds of components.SOLUTION: A heat exchanger 11 is provided with: base plates 13 for a heat exchanging portion, on which through-holes 25 are formed in two or more even-numbered rows, and three or more odd-numbered stages; base plates 15 for flow channel conversion, having connection holes 27 connecting at least two through-holes obliquely adjacent to each other in different stages and in different rows; a stacked heat exchanging portion 17 formed by stacking the base plates 13 for heat exchanging portion, and having a primary flow channel and a secondary flow channel; two sheets of base plates 19 for end portions having through-holes 25 bored according to a pair of through-holes 25 positioned at both ends in the diagonal direction, and disposed in a state of being horizontally inverted with the stacked heat exchanging portion 17 interposed therein; and a first flow channel converting portion 21 and a second flow channel converting portion 23 connecting the pair of through-holes 25 of the base plates 19 for end portions to the primary flow channel and the secondary flow channel by stacking the base plates 15 for converting flow channel disposed between each of the base plates 19 for end portions and the stacked heat exchanging portion 17. |
