A PLATE HEAT EXCHANGER WITH VARYING FLANK INCLINATIONS

Patentradars sammanfattning

Swep International AB's invention relates to a brazed plate heat exchanger in which the pressed herringbone ridges and grooves on heat exchanger plates feature first and second flanks with deliberately differing inclination angles. The inclination of the first flank varies continuously along individual ridges and/or differs between adjacent ridges across the plate, enabling spatially controlled interplate channel volume and local pressure drop. This asymmetric geometry guides incoming fluid away from direct inlet-to-outlet paths, forcing it into less-accessible lateral regions of the flow channel and thereby improving overall thermal performance. The concept is applicable to both symmetric and asymmetric press-depth configurations and to plates serving two or more fluid streams.

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