Roof Window Top Sash Module for Larger Pane Area
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Solution Overview
Problem
Existing roof windows have top sash modules that restrict the space available for the window pane, limiting the amount of light that can enter a building.
Innovation Solution
A roof window design where the top sash module is positioned outside the sash plane, allowing for a larger pane area by incorporating a top sash module with ventilation openings and a ventilation flap that does not interfere with the pane space, utilizing a pivot hinge system and secure attachment mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the top sash module is positioned within the sash plane, then ventilation functionality is provided, but the pane area is reduced and light admitting capability is limited
Solution Approach 1:
The top sash module is repositioned from the traditional in-plane configuration to an out-of-plane position, extending beyond the sash plane at the top of the window. This dimensional relocation allows the module to perform ventilation functions without occupying space within the sash plane, thereby maximizing the pane area while maintaining operational functionality.
2Area of stationary object
If the top sash module is positioned outside the sash plane, then pane area is maximized, but structural complexity increases
Solution Approach 1:
The top sash module is designed to nest within the frame structure when not in use, and can be positioned outside the sash plane when ventilation is required. This nesting capability allows the system to maintain a compact form factor while providing the option for out-of-plane positioning, thereby maximizing pane area without permanently increasing structural complexity.
3Loss of substance
If the top sash module is repositioned to increase light admitting area, then material usage is reduced, but manufacturing precision requirements increase
Solution Approach 1:
The window assembly is segmented into distinct functional modules: the frame, the sash, and the top sash module. This segmentation allows each component to be manufactured and positioned independently, with the top sash module specifically designed to be positioned outside the sash plane. The modular approach reduces overall material usage while managing manufacturing precision requirements through standardized connection interfaces.
Data Source
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AI summary
The roof window (1) has a frame (2) defining a frame plane, and a sash (3) having a top member (9), a bottom member (10) and two side members (11, 2) defining a sash plane. The sash (3) has an opening for a pane (4) and an outer surface opposite said opening, the window (1) further comprising in connection with said sash top member (9) a top sash module (411) with a first side (412), a second side (415) opposite to and extending substantially parallel with said first side (411), a third side (413) and a fourth side (414) 10 opposite to and extending substantially parallel with said third side (413), said third and fourth sides (413, 414) extending substantially perpendicular to and connecting said first and second sides (412, 415), wherein said top sash module (411) is connected to said top sash member (9) and/or said side sash members (11, 12) in such a way that said top sash module (411) is arranged at the outer surface of said sash (3).