| 摘要 |
PCT No. PCT/SE88/00276 Sec. 371 Date Dec. 28, 1988 Sec. 102(e) Date Dec. 28, 1988 PCT Filed May 25, 1988 PCT Pub. No. WO88/09473 PCT Pub. Date Dec. 1, 1988.The present invention refers to a plate heat exchanger comprising a package of heat exchange plates (2), each having a peripheral portion (17) and with this a heat exchanger portion (9) and several port portions with through-flow ports forming inlet and outlet channels through the package. Said heat exchange plates (2) are permanently joined to each other along their peripheral portions (17) and at a variety of places in their heat exchange portions (9) in such manner that they leave flow passages between adjacent heat exchange plates (2), and between an outer line (13) and an inner line (14) located closer to the inlet and outlet channel, respectively. According to the invention means (19) is arranged to keep the port portions of the heat exchange plates together along the inlet and outlet channels, said means (19) being placed between said outer line (13) and the inlet or outlet channel along each of the inlet and outlet channels in the plate interspace communicating with said inlet and outlet channel, respectively. |
