F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
257/14
F28F 13/08 (2006.01) F28F 3/00 (2006.01) F28F 3/08 (2006.01)
Patent
CA 1301160
Abstract In a plate heat exchanger, the heat exchange plates of which have been provided by pressing with a corrugated pattern comprising ridges and valleys, the ridges and valleys of adjacent plates extend in parallel. In each plate interspace the ridges of adjacent plates abut against each other such that the opposing valleys form parallel flow passages in the plate interspace. The ridges of at least some of the heat exchange plates are provided with depressions, which form thresholds in the valleys formed on the opposite sides of the plates by the ridges. Thresholds of this kind can be formed in the heat exchange plates such that they create a substantially larger flow resistance in the plate interspace for one heat exchange medium than in the plate interspaces for the other heat exchange medium.
564557
Blomgren Ralf
Dahlgren Arthur
Alfa-Laval Thermal Ab
Borden Ladner Gervais Llp
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