Modular Lower Lobe Passenger Rest Cabins for Aircraft
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Solution Overview
Problem
Current passenger aircraft lack sufficient rest facilities for economy-class passengers on long-haul flights, and existing crew rest compartments are inaccessible to passengers and not scalable to meet passenger demand.
Innovation Solution
The development of modular lower lobe passenger rest cabins and overhead passenger rest cabins that are accessible from the main passenger cabin, incorporating safety features and amenities tailored for passenger use, while meeting regulatory requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If crew rest compartments are used to provide rest facilities, then rest capacity is provided, but accessibility to passengers is restricted
Solution Approach 1:
The rest cabin is divided into separate accessible and secure zones, with the accessible portion allowing passenger entry while the secure portion remains restricted. This segmentation enables partial accessibility without compromising security requirements.
Solution Approach 2:
A vestibule or transitional space serves as an intermediary zone between the main passenger cabin and the secure rest cabin areas. This mediator allows controlled access while maintaining security boundaries.
2Quantity of substance
If traditional CRC configurations are used, then security requirements are met, but capacity is limited to 6-8 bunks
Solution Approach 1:
The rest cabin utilizes the lower lobe space beneath the main passenger cabin, transitioning from traditional overhead or forward/aft locations. This dimensional change provides additional volume for increased bunk capacity without compromising security or accessibility.
Solution Approach 2:
The lower lobe space is adapted for dual use as both cargo area and passenger rest cabin, allowing the same physical space to serve multiple functions and thereby increase rest capacity without adding separate dedicated space.
3Adaptability or versatility
If rest facilities are added to meet passenger demand, then passenger comfort is improved, but disruption to interior space and seating occurs
Solution Approach 1:
The rest cabin is positioned in the lower lobe space beneath the main passenger cabin, utilizing previously unused vertical space. This dimensional relocation provides rest facilities without encroaching on the interior space or seating arrangements of the main cabin.
Solution Approach 2:
The aircraft interior is segmented into distinct functional zones: the main passenger cabin for seating and the lower lobe space for rest facilities. This segmentation allows both functions to coexist without mutual disruption.
4Ease of operation
If accessible rest cabins are created, then passenger accessibility is improved, but security control is reduced
Solution Approach 1:
The rest cabin is divided into accessible and secure zones, allowing passengers to enter the accessible portion while security-sensitive areas remain controlled. This segmentation enables partial accessibility without compromising security management.
Solution Approach 2:
A vestibule serves as an intermediary controlled zone that mediates between the accessible main cabin and the secure rest areas, allowing security management while facilitating passenger access to designated areas.
Data Source
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Figure 3A
AI summary
A modular lower lobe passenger rest cabin includes passenger rest compartments oriented longitudinally along the roll axis and laterally along the pitch axis. Partial passenger rest compartments are defined by the modular lower lobe passenger rest cabin such that when two modular lower lobe passenger rest cabins are installed in a cargo deck of an aircraft, the partial passenger rest compartments define a single passenger rest compartment or aisle from space that would otherwise be insufficient for the purpose.