Offset Aisle Passenger Cabin Design for Space Utilization
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Solution Overview
Problem
Existing passenger cabin designs in vehicles face challenges in maximizing seat capacity due to space constraints, safety requirements, and fuselage diameter limitations, which restrict headroom and aisle accessibility for taller passengers.
Innovation Solution
A passenger cabin configuration with upper and lower decks featuring laterally offset aisles and regions at different vertical heights, interconnected by steps or curved surfaces, allowing for optimal utilization of space and ensuring upright standing and walking headroom, even in smaller fuselage diameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the fuselage diameter is reduced to accommodate more seats, then the number of passenger seats increases, but the headroom and aisle accessibility for taller passengers deteriorates
Solution Approach 1:
The patent applies dimensionality change by creating a multi-level passenger cabin with upper and lower decks at different vertical heights. The floor is divided into first and second regions at different levels, allowing aisles to be laterally offset. This vertical dimensionality enables taller passengers to stand upright in the aisles while maintaining high seat capacity in the reduced fuselage diameter.
Solution Approach 2:
The patent segments the passenger cabin into multiple decks (upper and lower) with distinct regional divisions. The floor is divided into first and second regions, and the passenger decks are further divided into multiple regions (e.g., first, second, third, fourth regions) that can be interconnected. This segmentation allows optimized space utilization while maintaining adequate headroom and aisle accessibility.
2Quantity of substance
If multiple passenger decks are arranged to maximize seat capacity, then the number of seats increases, but the complexity of the cabin structure increases
Solution Approach 1:
The patent merges the floor structure with the passenger deck configuration by making the floor comprise first and second regions that form the basis for the upper and lower passenger decks. The floor regions are interconnected and integrated with the seat arrangements, reducing the need for separate structural elements and simplifying the overall cabin design while maintaining multi-level capacity.
Solution Approach 2:
The floor structure serves multiple functions: it provides structural support, defines the boundaries of passenger regions, creates the basis for upper and lower decks, and enables lateral offsetting of aisles. This multi-functionality reduces the need for additional structural components and simplifies the overall cabin design.
3Productivity
If the floor is divided into regions at different vertical heights, then space utilization improves, but the difficulty of moving between regions increases
Solution Approach 1:
The patent provides preliminary action by pre-configuring the floor with interconnected first and second regions at different vertical heights, along with predetermined access paths and stairways. This preliminary arrangement of connectivity elements allows passengers to easily move between regions without encountering unexpected obstacles or complex navigation requirements.
Data Source
AI summary
A passenger cabin for a means of transport is provided, which comprises an upper passenger deck and a lower passenger deck. The floor of the upper passenger deck comprises a lower and an upper region arranged therebeside, which are interconnected via a step or a ramp. There is an aisle in the lower region. The floor of the lower passenger deck likewise comprises a lower and an upper region arranged therebeside, between which there is a lowered aisle which is arranged so as to be laterally offset from the aisle of the upper passenger deck. The available surfaces of the upper and the lower passenger deck are mirror-symmetrically arranged. In this way, the space available can be used very effectively in order to accommodate more passengers.