| 摘要 |
<p>The connection of a pipe made of copper or its alloy with a pipe made of aluminium alloy in a heat exchanger cooling circuit, in particular, a joint of a copper connecting pipe with an aluminium alloy collecting pipe. The connection is made of a steel transition piece (2) connected to a copper connecting pipe (3) by a soldered joint (4) at one end and to an aluminium alloy collecting pipe (1) by a soldered joint (4) at the other. The length of the transition piece (2) is at the most 10 times the diameter of the larger of the connected pipes (1, 3). There is a steel transition piece (2) making an inner piece of the soldered joint (4) at the collecting pipe (1), or there is a steel transition piece (2) making an inner piece of the soldered joint (4) at the connecting pipe (1), or there is a steel transition piece (2) making an outer piece of the soldered joint (4) at the connecting pipe (1).</p> |
