Method is for producing heat exchanger acting as solar collector with layered structure and involves at least two superimposed plates and at least one throughflow channel

摘要

The method is for producing heat exchanger (1) acting as solar collector with a layered structure and involves at least two superimposed plates (2,3) and at least one throughflow channel (5). At least one main surface (4) of a first plate is at least partly provided with a solder layer. At least one recess (5) is formed in at least one of the first and second plates. The superimposed plates are subejcted to heat treatment and are placed in a vacuum oven for connection to each other by vacuum soldering. The throughflow channel is formed as a cavity in relation to the main surface of at least one of the first and second plates. It is produced by a milling process.