Aircraft Seat Partition Sliding Door for Emergency Manual Release
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Solution Overview
Problem
Existing aircraft cabin partitions with deployable doors pose safety risks during emergencies due to potential malfunction, blocking emergency exits, and require a solution that maintains simplicity, lightness, and compactness while ensuring passenger privacy and compliance with safety requirements.
Innovation Solution
A partition system with a sliding door mechanism assisted by a bistable gas spring and removable link, allowing manual operation in case of malfunction, featuring a mechanical assistance device with guide rails and bistable gas spring for controlled movement, and a removable connection for emergency access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a sliding door is provided in the partition to allow passage between rows, then passenger accessibility and convenience are improved, but the structural integrity and safety of the partition are compromised
Solution Approach 1:
The partition wall is segmented into multiple sections with telescopic portions that can extend and retract. The sliding door is integrated into these segmented sections, allowing the door to move independently while the partition maintains its structural integrity through the telescopic mechanism that compensates for the opening created by the door.
Solution Approach 2:
The partition incorporates telescopic portions that can dynamically extend and retract based on the position of the sliding door. When the door opens, the telescopic portion extends to maintain the partition's structural continuity; when the door closes, the telescopic portion retracts. This dynamic adjustment resolves the contradiction between door accessibility and structural integrity.
2Strength
If the partition is made rigid to ensure structural strength, then safety and stability are improved, but the ability to accommodate sliding door movement is reduced
Solution Approach 1:
The partition employs telescopic portions with movable sections that can extend and retract dynamically. These dynamic elements are integrated into the rigid partition structure, allowing the partition to maintain its overall strength while adapting to the movement of the sliding door through controlled extension and retraction of the telescopic sections.
Solution Approach 2:
The telescopic portions utilize a nested structure where one section is inserted within another, allowing compact storage when not in use and smooth extension when door movement is required. This nesting mechanism enables the rigid partition to accommodate door movement without compromising structural strength.
3Adaptability or versatility
If telescopic portions are added to accommodate door movement, then adaptability is improved, but device complexity increases
Solution Approach 1:
The partition is divided into modular segments with standardized telescopic mechanisms. Each segment contains integrated telescopic portions with guide rails and movable sections that can be independently installed and maintained. This segmentation reduces overall system complexity by breaking down the complex adaptation requirement into simpler, repeatable modular units.
Solution Approach 2:
The telescopic portions are designed as multi-functional elements that simultaneously provide structural support, accommodate door movement, and maintain partition continuity. This universal design reduces the need for additional specialized components, thereby reducing overall device complexity while maintaining adaptability.
Data Source
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AI summary
Disclosed is a partition (1) for an aircraft seat arrangement, the partition comprising a stationary portion (2) and a sliding door (3) capable of moving along a sliding axis between an open position, in which the door (3) is retracted into a recess (4) provided in the stationary portion (2), and a closed position in which the door (3) is extended from the recess (4), the partition (1) comprising a main device (8, 9) for sliding the door (3), comprising a sliding mount (8) supporting the door (3), the partition further comprising, between the door (3) and the mount (8), a removable connection that can be deactivated in the event of failure of the main sliding device.