Patent ID: 6435270
Filing Date: 2002-08-20
Classification: F28D

Abstract:
A lamina stack for a two-pass evaporator composed of laminae for converting two media mass streams from a liquid state into a gaseous state via an input flow of thermal energy, said lamina stack comprising:at least two media laminae disposed to receive energy from said flow of thermal energy; structures comprising recesses and raised regions formed on a first of said media lamina, forming a first media chamber to be traversed by a flow of one of the media mass streams; and structures comprising recesses and raised regions formed on a second of said media lamina, forming a second media chamber to be traversed by a flow of the other one of the media mass streams, wherein: both media laminae have comparable structures; at least a majority of the recesses in the first media lamina is disposed adjacently above or below the raised regions of the respective other media lamina.