Patent ID: 6634419
Filing Date: 2003-10-21
Classification: F02B,F28D,F28F,Y02T,Y10S,Y10T

Abstract:
A multi-pass heat exchanger core comprising:at least one coolant plenum for containing flowing coolant; at least one first-pass plenum for containing a flowing heated fluid, said first-pass plenum adjacent to said at least one coolant plenum, and said first-pass plenum defining a first area-in-flow of the heated fluid; and at least one subsequent-pass plenum for containing the heated fluid, said subsequent-pass plenum adjacent to said at least one coolant plenum, and said subsequent-pass plenum defining a second area-in-flow of the heated fluid; wherein said first area-in-flow substantially exceeds said second area-in-flow, and the heated fluid flows past a coolant plenum at least twice.