A BRAZED PLATE HEAT EXCHANGER

A brazed plate heat exchanger (10) comprising a stack of heat exchanger plates (12a,12b) provided with a pattern comprising ridges (R) and grooves (G) to form plate interspaces (13a, 13b) for fluids to exchange heat. The heat exchanger plates are provided with port openings (O1-O4) forming inlet and...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Andersson, Sven, Dahlberg, Tomas
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A brazed plate heat exchanger (10) comprising a stack of heat exchanger plates (12a,12b) provided with a pattern comprising ridges (R) and grooves (G) to form plate interspaces (13a, 13b) for fluids to exchange heat. The heat exchanger plates are provided with port openings (O1-O4) forming inlet and outlet channels (14) for the first 5 and second fluids, wherein at least one of the first and second heat exchanger plates is arranged with a skirt to form a chamber (17) between the port opening and the plate interspaces. The chamber (17) is open to the channel (14) through a gap between at least a free end portion of the skirt and the adjacent heat exchanger plate, and the gap varies around the circumference of the channel (14) and/or a cross section area of the chamber 10 (17) varies around the circumference of the channel (14).