Aircraft Cabin Floor Fixation Interface With Segmented Sealing

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Solution Overview

Problem

Existing aircraft cabin floor fixations are heavy and lack effective sealing, which can create obstacles for passengers and compromise the integrity of the cabin environment.

Innovation Solution

An adaptable fixation interface comprising connection studs with a mounting foot region and a connection head region, allowing for releasable connection to interface points in the floor arrangement, providing a lightweight and sealable fixation solution.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional seat rails are provided throughout the cabin space, then sealing capacity is improved, but weight increases

Engineering Contradiction:
Improvesealing capacityVSAvoidweight of fixation interface
Core Design Contradiction:
ReliabilityVSWeight of stationary object

Solution Approach 1:

The fixation interface is divided into discrete connection studs positioned at specific interface points along the floor support structure, rather than providing continuous rails throughout the cabin. This segmentation allows sealing to be provided only where equipment mounting is required, reducing overall weight while maintaining sealing capacity at critical locations.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The connection studs are strategically positioned at specific interface points where equipment mounting is needed, providing localized sealing and fixation capability. This local quality approach ensures sealing is present only where required rather than uniformly throughout the entire cabin length, optimizing the weight-sealing tradeoff.

Inventive Principle:
Principle #3Local quality

2Adaptability or versatility

If connection studs are positioned at multiple interface points, then adaptability for equipment mounting is improved, but device complexity increases

Engineering Contradiction:
Improvelayout flexibilityVSAvoidcomplexity of fixation interface
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The connection studs are designed with universal functionality to engage with equipment fittings at multiple interface points along the floor support structure. Each connection stud provides the same mounting capability, allowing flexible equipment placement without requiring different fixation components for different locations, thus maintaining simplicity while achieving adaptability.

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

Solution Approach 2:

The fixation interface allows dynamic configuration of equipment placement by positioning connection studs at multiple discrete interface points along the floor support structure. This enables the mounting system to adapt to different equipment layouts and cabin configurations while maintaining a simple standardized connection stud design at each point.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP4530481A1Adaptable fixation interface for an aircraft cabin floor
Publication Date: 2025.04.02 AIRBUS OPERATIONS GMBH
  • EP4530481A1 patent drawingFigure 1a~2
  • EP4530481A1 patent drawingFigure 3a~3b
  • EP4530481A1 patent drawingFigure 4~5

AI summary

The present invention relates to fixations in a floor area of an aircraft. In order to provide a light weight fixation interface with improved sealing, an adaptable fixation interface (10) for an aircraft cabin floor is provided. The interface comprises a plurality of connection studs (12) that comprise a mounting foot region (14) and a connection head region (16). The mounting foot region is configured to be inserted into one of a plurality of interface points in a floor arrangement. The connection head region is configured to be engaged by a fitting of an equipment to be fixed to the floor arrangement. The connection studs are configured to be releasably connected to adjacent interface points in a floor arrangement to provide a longitudinally extending fixation interface segment for mounting of equipment.