| 摘要 |
A heat exchanger (15) comprising a plurality of generally parallel passages through which air is to pass in a first direction through a first set of passages (16) and in an opposite direction to said first direction through a second set of said passages (22), the passages of said first set (16) being located adjacent the passages of said second set (22). The heat exchanger (15) further comprising sheet material that separates the first set (16) from the second set (22), and provides for the transfer of heat between said first set (16) and said second set of passages (22). |
