Inclined Armored Window Pane for Vehicle Safety
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Solution Overview
Problem
Thick armored window panes in vehicles often protrude excessively, either outwardly impairing loading dimensions or inwardly restricting the vehicle interior and posing a risk of injury, while also obstructing the view due to thick window frames.
Innovation Solution
The window pane is inclined relative to its recess, with a thicker armored pane protruding more outwardly at the top and inwardly at the bottom, allowing for improved headroom and visibility without increasing the vehicle's exterior dimensions, and featuring a stepped edge for enhanced ballistic protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If thick armored window panes are used, then ballistic protection is improved, but the panes protrude excessively outwardly impairing loading dimensions
Solution Approach 1:
The window pane is installed at an inclination angle relative to the pane recess, creating an asymmetric configuration where the pane is not perpendicular to the wall surface. This asymmetric installation allows the thick pane to be positioned at an angle that reduces its external protrusion while maintaining the required thickness for ballistic protection
Solution Approach 2:
The solution moves from a conventional perpendicular installation (one-dimensional thickness measurement) to an inclined installation that utilizes angular orientation. By changing the dimensional approach from straight-out protrusion to angled positioning, the effective external dimension is reduced while the pane thickness for protection remains sufficient
2Reliability
If thick armored window panes are used, then ballistic protection is improved, but the panes protrude excessively inwardly restricting the vehicle interior and posing a risk of injury
Solution Approach 1:
The inclined installation creates asymmetric protrusion where the pane extends more toward the exterior than the interior. This asymmetric positioning ensures that the pane does not encroach significantly into the vehicle interior space, maintaining headroom and preventing injury risks while still providing the necessary thickness for ballistic protection
3Strength
If the window is guided in a window frame, then structural support is improved, but the view to the outside of the vehicle is impaired due to thick window frames
Solution Approach 1:
The window pane is extracted from the conventional frame-guided installation and positioned directly in the pane recess with minimal framing. This extraction of the pane from heavy frame constraints allows for a larger glass area and improved viewing while the pane recess and stop surface provide the necessary structural support
Data Source
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Figure 7
AI summary
Vehicle (1) with a window recess (5) for receiving a window pane (3), wherein the window pane (3) is inclined relative to the window recess (5).