| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an aluminum accumulator welding structure and a heat exchanger high in mass productivity and reliability. <P>SOLUTION: This aluminum accumulator welding structure includes an aluminum pipe 4, the aluminum accumulator 5 formed by drawing both ends of an aluminum tube, and a metallic pipe 6 having a shrunk section 3c, the shrunk section 3c of the metallic pipe 6 is inserted into and fixed to the aluminum pipe 4, then the aluminum pipe 4 is inserted into the aluminum accumulator 5, and the aluminum pipe 4 is brazed with aluminum at a connecting section 7 of the aluminum accumulator 5. <P>COPYRIGHT: (C)2013,JPO&INPIT |
