Galley shelf
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Solution Overview
Problem
Aircraft galleys have limited storage space and are typically fixed structures that cannot be easily adapted or reconfigured during flight, requiring tools for changes, which hinders efficient use of stowage space for different purposes.
Innovation Solution
An insertable galley unit with a rotatable shelf and retractable latch system that allows the shelf to be adjusted between stowed and deployed positions without tools, using a piano hinge for stability and minimal space usage, and retractable latches for secure engagement with the side wall.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the galley structure is made fixed and stable, then structural reliability is improved, but adaptability for different purposes during flight deteriorates
Solution Approach 1:
The shelf is designed to be dynamically reconfigurable between stowed and deployed positions using a hinge mechanism, allowing the galley structure to adapt to different purposes during flight while maintaining structural stability when locked in position
2Adaptability or versatility
If the shelf is made retractable and reconfigurable, then adaptability is improved, but device complexity deteriorates
Solution Approach 1:
The shelf assembly is segmented into modular components (shelf panel, hinge mechanism, latch system) that can independently function, allowing for easier maintenance and reduced overall system complexity while maintaining reconfigurability
Solution Approach 2:
The retractable shelf incorporates self-latching mechanisms that automatically secure the shelf in deployed or stowed positions without requiring additional fastening operations, reducing operational complexity
3Strength
If the shelf uses a piano hinge for stability, then structural strength is improved, but space requirement deteriorates
Solution Approach 1:
The piano hinge is positioned along the longitudinal edge of the shelf rather than the broad face, utilizing the thin dimensional profile of the shelf to accommodate the hinge mechanism without significantly increasing overall space requirements
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
Enables quick reconfiguration of galley compartments to optimize storage space and adapt to different uses during flight, providing stable and secure storage without the need for tools, enhancing passenger comfort and crew efficiency.
Implementation Method 1
a hinge (104) attached to the shelf (102); wherein the shelf (102) is rotatable about the hinge (104) between a stowed position and a deployed position
Implementation Method 2
wherein the shelf (102) comprises a retractable latch (210); and wherein the retractable latch (210) is arranged to engage with the side wall (421) to selectively hold the shelf (102) in the stowed position and the deployed position
Data Source
Figure 1a
Figure 1b
Figure 2
AI summary
An insertable galley unit for an aircraft galley, including a shelf (102), a hinge (104) attached to the shelf, and a side wall. The shelf is rotatable about the hinge between a stowed position and a deployed position. The shelf includes a retractable latch (210), arranged to engage with the side wall to selectively hold the shelf in the stowed position and the deployed position.