A plate fin heat exchanger is configured to receive hot flow from a hot source and cool flow from a cool source. The plate fin heat exchanger (10) includes a plurality of plates (18) arranged in parallel to define a plurality of flow passages (24, 26) there between, and a set of closure bars (20) arranged at a first side (30) of the plurality of plates (18) to seal a first set (26) of the flow passages (24, 26) against ingress of the hot flow, thereby directing the hot flow into a second set (24) of the flow passages (24, 26). Each respective closure bar (20, 22) includes an inner core (46) formed of a first material having a first coefficient of thermal expansion and an outer cladding (48) arranged about the inner core (46), the outer cladding (48) formed of a second material having a second coefficient of thermal expansion. The first coefficient of thermal expansion is less than the second coefficient of thermal expansion.


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    Title :

    Reduced thermal expansion closure bars for a heat exchanger


    Additional title:

    Verschlussstangen mit verminderter Wärmeausdehnung für einen Wärmetauscher
    Barres de fermeture d'expansion thermique réduites pour échangeur de chaleur


    Contributors:

    Publication date :

    2016-04-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F28F Einzelheiten von Wärmetauschern oder Wärmeübertragungsvorrichtungen für allgemeine Verwendung , DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / F28D Wärmetauscher, soweit in keiner anderen Unterklasse vorgesehen, in denen die Wärmetauschmittel nicht in direkte Berührung miteinander kommen , HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT



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