ECS Pack Pallet for Multi-Directional Aircraft Maintenance Access
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Solution Overview
Problem
Conventional aircraft environmental control system (ECS) pack mount arrangements limit access to the ECS components from only one direction, making maintenance and servicing inefficient and labor-intensive.
Innovation Solution
A palletized arrangement where the ECS pack is mounted to a pallet that matches the aircraft's outer mold line, allowing for multiple access points and reduced installation time, with the pallet being attachable to spars and keel beams, eliminating the need for direct wing attachments and providing increased accessibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the ECS pack is mounted using conventional hinged access panels under the wing, then the pack is securely positioned and integrated into the aircraft structure, but access for maintenance and servicing is limited to only one direction (upward from beneath the wing)
Solution Approach 1:
The patent introduces a new dimensional aspect to ECS pack access by providing multiple access directions (front, rear, and lateral access through access panels on pallet sides and ends) rather than the conventional single upward access path. This multi-directional access capability fundamentally changes the accessibility dimension, allowing maintenance personnel to approach the ECS pack from various directions and perform servicing more efficiently.
2Productivity
If the ECS pack uses conventional mounting arrangements, then the installation is straightforward with direct wing attachments, but maintenance is labor-intensive and time-consuming due to limited access points
Solution Approach 1:
The patent segments the ECS pack into a modular palletized structure with the ECS components mounted on a removable pallet that can be accessed from multiple directions. This segmentation allows the pallet to be independently removed and serviced without requiring disassembly of the entire ECS system, significantly reducing maintenance time and labor requirements while improving productivity.
3Shape
If the pallet surface matches the aircraft outer mold line, then the aesthetic appearance and aerodynamic profile are maintained, but the structural integration and attachment requirements become more complex
Solution Approach 1:
The patent applies local quality by providing access panels on specific localized areas of the pallet (front, rear, and lateral sides) rather than requiring the entire pallet structure to be complex. The pallet surface matches the outer mold line in critical aerodynamic areas while incorporating strategically positioned access panels that minimize disruption to the overall shape, balancing aesthetic requirements with manufacturing feasibility.
Data Source
AI summary
An Environmental Control System (ECS) includes a pallet which supports at least one ECS component. The pallet defines a pallet surface that matches an aircraft outer mold line.