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    • 1. 发明申请
    • METAL WINDOW WITH THERMAL SHIELD
    • WO2021037804A1
    • 2021-03-04
    • PCT/EP2020/073642
    • 2020-08-24
    • THE METAL WINDOW CO LTD (INCORPORATED IN THE UNITED KINGDOM)
    • DANIEL, Peter
    • E04D13/03E04D13/035
    • There is disclosed herein a window assembly comprising: a glazing unit including an inner pane arranged on an inner side of the glazing unit and an outer pane arranged on an outer side of the glazing unit; a frame for surrounding an opening in a wall or roof of a building for supporting the glazing unit; and a thermal shield locatable between the frame and the opening, wherein the thermal shield comprises a structural element configured to extend laterally into the opening from the frame and a sealing member to create a seal around the opening between the structural element and the inner pane of the glazing unit, wherein an inner lip of the structural element is arranged to extend laterally into the opening beyond the sealing member to define an air pocket between the inner lip and the inner pane of the glazing unit, and wherein, when the window assembly is installed in a building, the thermal shield thereby defines a thermal conduction path along the inner pane of the glazing unit, from the laterally inner edge of the air pocket to the laterally inner edge of the frame, that is the path of least thermal resistance between the opening and an exterior of the building. Further window assemblies, related thermal shields and methods of designing, manufacturing and installing the window assemblies are disclosed.