Pivoting Air Diffusion Grille for Accessible Train Ventilation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional air ventilation systems in passenger transport vehicles, particularly in railway vehicles, are difficult to maintain due to the need to disassemble seats or parts to access the ventilation system, making maintenance costly and time-consuming.
Innovation Solution
An air ventilation system with a pivotable air diffusion grille that can be moved between closed, open, and unhooked positions, allowing for access to the ventilation ducts without dismantling seats, facilitated by a flexible joint and aluminum profile, enabling easier cleaning and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If ventilation ducts are positioned under passenger seats, then air circulation into the compartment is improved, but maintenance accessibility deteriorates requiring seat removal
Solution Approach 1:
The ventilation system is segmented into modular components: the ventilation duct remains fixed under the seat, while the air diffusion grille is separated and mounted on the seat backrest. This segmentation allows the grille to be independently accessed for maintenance without removing the seat, resolving the contradiction between maintaining air circulation efficiency and improving maintenance accessibility.
Solution Approach 2:
The air diffusion grille acts as an intermediary element between the ventilation duct and the passenger compartment. It is mounted on the seat backrest rather than being integrated into the seat structure itself, allowing it to serve as a accessible interface for air distribution while enabling maintenance personnel to reach the ventilation system without dismantling the seat.
2Reliability
If air diffusion grille is fixed in closed position, then air diffusion function is maintained, but maintenance access deteriorates
Solution Approach 1:
The air diffusion grille is designed with dynamic positioning capability, allowing it to pivot between a closed position (for normal air diffusion operation) and an open position (for maintenance access). The hinge mechanism enables the grille to move from its functional closed state to an accessible open state, resolving the contradiction between maintaining air diffusion reliability and enabling ventilation system maintenance.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The invention relates to a passenger vehicle compartment comprising an air ventilation system, said ventilation system comprising at least one air diffusion grille (30), the compartment further comprising passenger seats and a voussoir (20) positioned above said seats. The air diffusion grille (30) is mounted on a pivoting hinge (32), said hinge being fixed to said voussoir (20), the diffusion grille (30) being configured to be movable around said hinge between a closed position and an open position.