Aircraft Light-Limiting Header Assembly with Triangular Anchoring
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Solution Overview
Problem
Existing light-blocking header assemblies for aircraft cabins are either flimsy and porous, or incapable of withstanding internal forces during flight, leading to light leakage and structural instability.
Innovation Solution
A robust header assembly with a solid, non-porous composite material main body, secured by three anchoring members forming a triangular pattern, which connects to inboard and outboard structures, and includes a curtain track channel for sealing and light limitation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a fabric header is used to limit light between sections, then the header is lightweight and easy to install, but the header is porous and allows substantial light to pass through
Solution Approach 1:
The header assembly uses a composite structure combining a rigid frame (aluminum or composite material) with a fabric panel. The rigid frame provides structural integrity and light-blocking capability, while the fabric fills gaps and seals edges. This composite approach resolves the contradiction by maintaining the lightweight advantage of fabric while adding the light-blocking reliability of rigid materials.
2Illumination intensity
If a solid linear panel header is used to block light, then light blocking is effective, but the header cannot withstand internal forces during flight and may dislodge or fall
Solution Approach 1:
The header assembly is segmented into a rigid frame structure with multiple anchoring points distributed along its length. This segmentation allows the header to withstand internal forces during flight by distributing loads across multiple attachment points, preventing dislodgment while maintaining effective light blocking through the rigid frame structure.
3Ease of manufacture
If a fabric header is used to limit light, then the header is flexible and easy to install, but the header is susceptible to deformation during flight
Solution Approach 1:
The header assembly combines a rigid frame (aluminum or composite material) with a fabric panel. The rigid frame provides structural stability during flight, preventing deformation, while the fabric panel maintains ease of installation. The composite structure resolves the contradiction by providing both installability and flight stability.
4Stability of the object's composition
If a solid header straddles onto curtain tracks, then the header is structurally stable, but the header is incapable of accommodating imprecise positioning or shifting locations of reciprocal structures
Solution Approach 1:
The anchoring members are designed with dynamic adjustment capabilities, allowing them to accommodate imprecise positioning and shifting locations of reciprocal structures during installation and operation. This dynamic design maintains structural stability while providing adaptability to positioning variations.
Data Source
AI summary
A header assembly is configured to be secured between an inboard structure and an outboard structure within an internal cabin of an aircraft. The header assembly includes a main body including a first panel connected to an opposed second panel by a base panel. The main body is configured to limit light from passing therethrough. At least three separate and distinct anchoring members are configured to securely connect the main body to at least three separate and distinct reciprocal structures of the inboard and outboard structures.