Aircraft Passenger Suite Bed Deployment for Flat Sleeping Comfort
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Solution Overview
Problem
Conventional aircraft passenger suite beds are uncomfortable for sleeping due to hardness, have gaps, and require manual preparation by flight attendants, failing to provide a suitable firmness and pre-covered sleeping surface.
Innovation Solution
A separate, flexible bed with a predetermined mattress dimension that deploys into a flat surface, driven by a mechanism, allowing for stowage with bed linens and conversion into an ergonomic chair configuration for dining and working, with integrated mechanisms for efficient space use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a conventional aircraft seat is reclined to form a bed, then space utilization is improved, but sleeping comfort deteriorates due to hardness and gaps
Solution Approach 1:
The bed is divided into multiple segments including a head portion, intermediate portion, and foot portion that can be independently configured. This segmentation allows each segment to be optimized for comfort while maintaining compact storage, resolving the contradiction between space utilization and sleeping comfort.
Solution Approach 2:
The bed is pre-covered with a sheet or bed covering that can be prepared during aircraft servicing before flight. This preliminary action eliminates the need for manual making up by flight attendants and ensures the bed is ready for immediate use, improving both comfort and operational efficiency.
2Ease of manufacture
If a separate bed structure is introduced, then sleeping comfort is improved, but device complexity increases
Solution Approach 1:
The bed structure is merged with the seat structure through shared components and integrated deployment mechanisms. The bed portions are connected to the seat in a manner that allows automatic deployment and configuration, reducing overall system complexity while maintaining separate functional optimization for both seat and bed modes.
Solution Approach 2:
The seat and bed share common structural elements and control systems, allowing the same physical structure to serve multiple functions. The head portion can serve as both a seat back and a bed head, and the intermediate portion can function as both seating and sleeping surfaces, reducing the need for separate dedicated components.
3Ease of operation
If the bed is pre-covered with linens, then ease of operation is improved, but loss of time during servicing increases
Solution Approach 1:
The bed is pre-covered with sheets or bed coverings during aircraft servicing in preparation for flight. This preliminary action allows the bed to be ready for immediate use upon deployment, eliminating the need for manual making up by flight attendants and improving operational efficiency.
4Ease of manufacture
If the seat and bed are separate structures, then sleeping comfort is improved, but space efficiency deteriorates
Solution Approach 1:
The bed portions are nested within or adjacent to the seat structure when not in use. The head portion, intermediate portion, and foot portion can be stored in compact configurations that utilize the vertical and lateral space around the seat, allowing separate bed and seat structures to coexist efficiently within the limited aircraft cabin space.
Data Source
AI summary
A premium class passenger suite that includes a main seat positioned in the suite together with separate bed. The bed has a flexible mattress of predetermined dimensions and is movable between a stowed position to one side of the main seat and a deployed position above and separate from the main seat. A drive apparatus is provided for driving the bed between the stowed and deployed positions. The main seat is configured to be movable between a seating position when the bed is stowed, and a stowed position with a lowered seat back when the bed is deployed for use.