Aircraft Cabin Partition Couplings for Rapid Reconfiguration

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Solution Overview

Problem

Airlines require a flexible, rapid, non-permanent, and cost-effective way to reconfigure aircraft cabins to switch between passenger and cargo transport while meeting aviation guidelines and standards, without adding unnecessary weight, using existing components and quick-connect or quick-release components.

Innovation Solution

An aircraft cabin partition system utilizing existing seat rails and fuselage walls with adjustable, removable, and rearrangeable cargo bins and partitions, featuring quick-connect coupling assemblies that engage with flanges without fasteners, adhesives, or tools, and are fabricated from lightweight materials to meet weight-bearing requirements.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If permanent partition structures are installed to meet weight-bearing requirements, then structural strength is improved, but aircraft cabin flexibility and reconfiguration capability deteriorate

Engineering Contradiction:
Improveweight-bearing capabilityVSAvoidcabin reconfiguration flexibility
Core Design Contradiction:
StrengthVSAdaptability or versatility

Solution Approach 1:

The partition system is divided into modular components including separate wall sections, base assemblies, and coupling mechanisms that can be independently installed and removed. This segmentation allows the partition to provide structural strength where needed while maintaining overall flexibility for reconfiguration.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The partition system transitions from static permanent structures to dynamic removable components. The coupling assemblies enable the partition walls to be easily attached and detached, allowing the cabin configuration to change while maintaining structural integrity during each configuration state.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If rapid reconfiguration is implemented using removable partitions, then cabin flexibility is improved, but structural strength and weight-bearing capability deteriorate

Engineering Contradiction:
Improvereconfiguration speedVSAvoidweight-bearing capability
Core Design Contradiction:
Adaptability or versatilityVSStrength

Solution Approach 1:

The partition components are pre-designed and pre-assembled with integrated coupling mechanisms that engage with existing aircraft seat rails. This preliminary preparation allows rapid installation and removal while ensuring that structural requirements are met before the partition enters service.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

Coupling assemblies serve as intermediary components between the removable partition walls and the fixed seat rail structure. These intermediaries transfer and distribute loads effectively, enabling rapid reconfiguration while maintaining weight-bearing capability through the mediation of the coupling mechanism.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Weight of moving object

If existing seat rails and components are utilized to minimize weight, then weight is reduced, but device complexity increases due to integration requirements

Engineering Contradiction:
Improvepartition system weightVSAvoidintegration complexity
Core Design Contradiction:
Weight of moving objectVSDevice complexity

Solution Approach 1:

The partition system is designed to utilize existing aircraft seat rails for multiple purposes: original seat mounting and new partition attachment. This multi-functionality reduces the need for separate mounting structures, minimizing weight while the standardized coupling mechanism manages integration complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The coupling assemblies are designed with adjustable parameters that allow adaptation to different seat rail configurations without requiring custom components for each installation. This parameter adjustability reduces weight by avoiding redundant structural elements while managing integration complexity through standardized design variables.

Inventive Principle:
Principle #35Parameter changes

4Ease of operation

If quick-connect coupling assemblies are used without fasteners or adhesives, then ease of operation is improved, but reliability of connection deteriorates

Engineering Contradiction:
Improveinstallation simplicityVSAvoidconnection reliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The coupling mechanism incorporates curved or rounded geometric features that guide alignment and distribution of forces during connection. This geometric design enables tool-free operation while maintaining reliable connections through force distribution across the curved contact surfaces.

Inventive Principle:
Principle #14Spheroidality (Curvature)

Solution Approach 2:

Traditional fasteners and adhesives are replaced with a purely mechanical coupling system that uses leverage, friction, and geometric interlocking. This substitution maintains connection reliability through mechanical principles while dramatically improving ease of operation by eliminating tools and chemical materials.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentEP3907134B1Aircraft cabin partition system
Publication Date: 2023.11.15 BE AEROSPACE INC
  • EP3907134B1 patent drawingFigure 1A
  • EP3907134B1 patent drawingFigure 1B
  • EP3907134B1 patent drawingFigure 2A

AI summary

An aircraft cabin partition system may include at least a first partition (112) with a partition cut-out and a first flange (202) with a first flange cut-out. The aircraft cabin partition system may include a first coupling assembly (200) configured to be inserted within the first flange cut-out, configured to be inserted within an opening of a seat rail (106) within a floor of an aircraft cabin, and configured to couple the at least the first partition to the seat rail when engaged. The aircraft cabin partition system may include at least a second partition with a second flange with a second flange cut-out. The aircraft cabin partition system may include a second coupling assembly configured to be inserted within the partition cut-out, configured to be inserted within the second flange cut-out, and configured to couple the at least the second partition to the at least the first partition when engaged.