Aircraft Movable Bin Rotational-Translational Guide
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Solution Overview
Problem
Current luggage storage systems in aircraft cabins face challenges in achieving a balance between optimal loading height and comfortable headroom, particularly in the central region, and require complex kinematics and high manual effort for operation.
Innovation Solution
A movable storage compartment with a combination of rotational and translational fixing elements, utilizing standard industry components, allows for easy integration into cabin design, reduced manual effort, and enables fully automated closure with an electrically driven spindle, which also functions as a generator and integrates a damper for smooth movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a stationary luggage bin with cover flap is used, then loading height can be optimized, but headroom becomes insufficient
Solution Approach 1:
The storage compartment is transformed from a stationary structure to a movable one that can dynamically adjust its position. The bin moves along guide rails between a forward position (providing headroom) and a rear position (providing loading height), allowing the cabin design to optimize both parameters as needed.
Solution Approach 2:
The solution introduces movement in the longitudinal dimension (front-to-back motion along guide rails) to resolve the conflict between loading height and headroom. This additional degree of freedom allows the system to achieve both optimal loading access and adequate passenger headroom.
2Ease of operation
If a pivotable luggage bin is used, then headroom is improved, but loading height becomes insufficient
Solution Approach 1:
Instead of a simple pivotable design, the system uses a dynamic sliding mechanism along guide rails that allows the bin to move forward and backward. This provides the ability to extend the loading height when needed while maintaining adequate headroom during normal operation.
Solution Approach 2:
The fixing structure is divided into multiple elements (guide rails, fixing elements, pivot points) that work together to enable controlled movement. This segmentation allows complex motion patterns to be achieved through simpler individual components.
3Adaptability or versatility
If complex kinematics are used for movable bins, then movement capability is improved, but device complexity increases
Solution Approach 1:
The fixing structure is divided into multiple elements (guide rails, fixing elements, pivot points) that work together to enable controlled movement. This segmentation allows complex motion patterns to be achieved through simpler individual components.
Solution Approach 2:
The patent replaces complex mechanical linkages with a simpler system using guide rails and standardized fixing elements. The movement is controlled through a combination of rotational and translational constraints rather than complex mechanical advantage systems.
4Ease of operation
If manual force is applied to move storage compartment, then operation is simple, but manual effort required increases
Solution Approach 1:
The system incorporates a motorized drive mechanism that automatically moves the storage compartment between forward and rear positions. This eliminates the need for high manual effort while maintaining simple operation through automated control.
Solution Approach 2:
The motorized drive compensates for the weight and friction forces that would otherwise require significant manual effort to move the storage compartment along the guide rails.
Data Source
AI summary
A movable storage compartment for a passenger cabin comprises a housing and fixing structures on the side walls of the housing, the housing being open on one side and being able to be moved back and forth between an open and a closed position, that is to say being able to be opened and closed. The fixing structures are formed in such a way that during a movement from the open position to the closed position the housing can be moved first predominantly rotationally and then predominantly translationally upwards.