Aircraft Rail Arrangement for Flexible Fitting Securing
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Solution Overview
Problem
Existing aircraft interior fitting securing systems require significant modifications to the floor structure to accommodate different-sized and shaped monuments, limiting flexibility and increasing equipment time and cost.
Innovation Solution
A rail arrangement with first rails for passenger seats and second rails for securing fittings, allowing flexible positioning and adaptation along the aircraft's longitudinal axis, decoupling securing from rigid locations, enabling rapid and cost-effective equipment of aircraft interiors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If dedicated individual securing locations are provided for monuments in conical fuselage regions, then fittings can be securely installed at different positions, but the floor structure requires significant modifications including individual reinforcements, carrier displacements, or additional carriers
Solution Approach 1:
The patent applies universality by using standardized seat rails with a specific profile that can serve multiple functions: they provide securing locations for passenger seats in cylindrical fuselage regions and simultaneously provide securing locations for monuments in conical fuselage regions. The rails are designed with a profile that enables correspondingly shaped securing elements to be received and locked, making them adaptable to different fitting types and positions without requiring dedicated individual securing locations for each monument.
Solution Approach 2:
The patent segments the floor structure into modular rail components that can be independently positioned and configured. Instead of modifying the entire floor structure for each monument, the rails are divided into separable sections that can be individually adjusted to accommodate different monument sizes and positions, reducing the need for extensive floor reinforcements and carrier modifications.
2Reliability
If dedicated individual securing locations are provided for monuments, then fittings can be securely installed, but the equipment process becomes more time-consuming and costly
Solution Approach 1:
The standardized seat rails serve multiple purposes across different aircraft regions and fitting types, enabling a uniform installation process for both passenger seats and monuments. This universality allows the same rail system and securing mechanism to be used throughout, significantly reducing equipment time and cost compared to creating dedicated securing locations for each monument.
Solution Approach 2:
The rail system with its specific profile enables self-service installation where the securing elements are automatically received and locked into the rail profile without requiring complex floor structure modifications or specialized installation procedures for each monument type.
Data Source
AI summary
A rail arrangement for an inner space of an aircraft has a first portion having first rails for receiving passenger seats and having second rails which extend transversely relative to the first rails for receiving fittings. The rails are secured to a floor structure which is arranged in the inner space. The securing of the fittings is consequently decoupled from the floor structure.