Deployable Bed Extensions for Contiguous Passenger Seat Rows
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Economy class passengers face challenges in achieving a comfortable sleeping position due to the steep angle of reclined backrests, fixed seat pans, lack of leg rests, and close proximity to other passengers, making long haul flights uncomfortable.
Innovation Solution
A passenger seat arrangement with deployable bed extensions in contiguous seat rows, where the bed extensions of a forward seat row deploy to form a bed with the seat pans of an aft seat row, increasing the bed surface area and providing a more comfortable sleeping option.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If economy class seats are designed with high density and limited backrest recline, then seat density is improved, but sleeping comfort deteriorates
Solution Approach 1:
The seat arrangement transitions from a static configuration to a dynamic one by introducing deployable bed extensions that can be selectively activated. When deployed, the bed extensions create a larger sleeping surface area and allow the backrest to achieve a flatter angle, transforming the seat from a fixed economy configuration to an adjustable bed configuration, thereby resolving the contradiction between density and comfort.
Solution Approach 2:
The seat system is divided into functional segments: the base seat structure maintained for passenger seating, and deployable bed extensions that can be independently activated. This segmentation allows the system to maintain high seat density in normal operation while providing enhanced sleeping comfort when needed by deploying only the necessary extension portions.
2Quantity of substance
If the backrest is reclined at a steep angle to maximize space, then seat density is improved, but the ability to assume a comfortable sleeping position deteriorates
Solution Approach 1:
The system dynamically adjusts the backrest angle and bed extension deployment based on operational mode. In passenger mode, the backrest remains at a steep angle for space efficiency. In bed mode, the bed extensions are deployed and the backrest angle is adjusted to a flatter position, enabling comfortable sleeping while maintaining space utilization through the extended bed configuration.
Solution Approach 2:
The solution moves from a two-dimensional seat surface to a three-dimensional bed configuration by deploying extensions that create additional spatial layers. The bed extensions project forward from the seat, creating a extended sleeping surface that allows the backrest to be positioned at a more favorable angle for sleeping while maintaining overall space efficiency.
3Device complexity
If the seat pan is fixed in position to simplify structure, then structural complexity is reduced, but sleeping comfort deteriorates due to inability to adjust leg position
Solution Approach 1:
The seat structure is segmented into the fixed seat pan base and the deployable bed extensions. This segmentation allows the majority of the seat structure to remain simple and fixed, while only the necessary extension portions are made movable and deployable, achieving enhanced sleeping comfort with minimal increase in overall structural complexity.
Solution Approach 2:
The system introduces dynamic elements only where necessary - the bed extensions can be deployed or retracted based on whether the passenger needs sleeping functionality. This selective dynamics allows the seat pan to remain fixed for simplicity in normal operation, while providing leg rest and comfort adjustments when in bed mode without requiring the entire seat structure to be complex.
4Ease of operation
If bed extensions are deployed to increase bed surface area, then sleeping comfort is improved, but device complexity increases
Solution Approach 1:
The bed extension system is divided into modular segments that can be independently deployed from each seat. Each seat row can independently activate its bed extensions, allowing the system to provide enhanced sleeping comfort in partial or full configurations, thereby managing complexity through modular, selective deployment rather than requiring the entire system to be complex.
Solution Approach 2:
The bed extensions serve multiple functions: they increase the bed surface area when deployed, provide structural support when in the extended position, and can be selectively activated based on passenger needs and cabin occupancy. This multi-functionality reduces the need for separate components, thereby managing system complexity while achieving enhanced sleeping comfort.
Data Source
AI summary
A passenger seating arrangement including contiguous rows configured to form a bed. Each passenger seat in the first row includes a deployable bed extension. In use, each deployed bed extension resides in a plane of a seat pan in an aft positioned row. At least one support deploys relative to its respective seat pan to support the deployed bed extension, for instance from below. In embodiments, a bifold cushion carried on the seat pan in the aft row unfolds to be positioned atop the deployed bed extension to form a bed. In embodiments, each of the contiguous rows includes at least three seats, wherein each seat is independently configured to form a portion of the bed.