Aircraft Emergency Exit Door Integrated Guide Frame
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Solution Overview
Problem
Conventional emergency exit systems in aircraft lack simplicity and reliability, with complex mechanisms that may fail under emergency conditions, and existing solutions do not adequately address the need for a robust, easily maintainable system that ensures safe and efficient door operation.
Innovation Solution
A simplified emergency exit system featuring primary structure frames with integrated guide elements that serve both as load-bearing components and door guides, along with a releasable securing mechanism and optional lifting mechanisms, allowing the door to shift safely and reliably between closed and open positions, driven by gravity or a spring-based system, with features like damping and locking to prevent unintended movements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional emergency exit door mechanisms are used, then the door can be opened, but the system becomes complex and less reliable
Solution Approach 1:
The guide element is integrated directly into the primary structure frame, combining the load-bearing function of the frame with the door guiding function. This eliminates separate guide components and reduces overall system complexity while improving reliability through fewer potential failure points.
Solution Approach 2:
The primary structure frame serves multiple functions: it provides structural support, guides door movement, and integrates with the securing mechanism. This multi-functionality reduces the number of separate components needed, simplifying the overall system while maintaining reliability.
2Ease of operation
If separate guide elements are used, then door guidance is provided, but the number of components increases
Solution Approach 1:
The guide element is merged with the primary structure frame, creating a single integrated component that performs both structural support and door guidance functions. This eliminates the need for separate guide elements, reducing component count while maintaining effective door guidance.
3Productivity
If the door can be thrown out through the opening, then exit is enabled, but safety control is reduced
Solution Approach 1:
The primary structure frame serves multiple functions including guiding door movement along a controlled path and providing structural support. This integrated design ensures the door follows a predetermined safe trajectory during evacuation, maintaining both speed and safety control.
Solution Approach 2:
The guide element acts as an intermediary between the door and the primary structure frame, ensuring controlled door movement. It mediates the door's trajectory, allowing rapid evacuation while maintaining safety through predetermined movement paths.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system provides a reliable, easy-to-maintain emergency exit solution that ensures safe and efficient door operation, meeting safety regulations and reducing the risk of mechanical failure during emergencies, while also offering flexibility in design and operation.
Implementation Method 1
allowing the door to shift safely and reliably between closed and open positions, driven by gravity or a spring-based system
Implementation Method 2
with features like damping and locking to prevent unintended movements
Data Source
AI summary
An emergency exit system comprising a first primary structure frame, a second primary structure frame extending substantially parallel to the first primary structure frame, a door opening arranged between the first primary structure frame and the second primary structure frame, and a door shiftable substantially parallel to the first primary structure frame and the second primary structure frame between a closed position and an open position. In the closed position, the door closes the door opening. In the open position, the door opens up the door opening. At least one of the primary structure frames comprises a primary structure guide element for guiding the door when the door is shifted between the closed position and the open position.