Inflatable Support Bladder with Integrated Air Duct Tunnel
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Solution Overview
Problem
Current seating technologies primarily focus on supporting the lumbar region, leading to increased low back pain in computer-using desk workers, as they fail to adequately support the thoracic region of the spine, which can reduce fatigue and discomfort by distributing upper body mass more evenly.
Innovation Solution
An inflatable support system with adjustable air bladders is integrated into the seat back frame, providing support from the thoracic region (T1 to T12 vertebrae) through a network of bladders with air duct tunnels that supply climate-controlled air to the seating surface, allowing for adjustable pressure and ergonomic support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If air ducts are integrated through inflatable bladders, then climate control functionality is added, but structural complexity increases
Solution Approach 1:
The inflatable bladders serve multiple functions simultaneously: they provide ergonomic spinal support through selective inflation while also serving as integrated pathways for climate control air ducts. This multi-functionality eliminates the need for separate climate control channels, reducing overall system complexity despite adding climate control capability.
Solution Approach 2:
The air ducts are nested within the inflatable bladders, with tunnels formed through the bladder walls. This nesting arrangement allows the climate control system to be embedded within the support structure, utilizing the existing bladder volume and space rather than requiring additional external ducting pathways.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design reduces fatigue and discomfort by distributing upper body mass more evenly, transferring load from the lumbar to the thoracic region, thereby decreasing lower back pain and improving overall comfort and support for a wide range of users.
Implementation Method 1
An inflatable support system having at least one inflatable bladder is mounted adjacent the seat frame
Implementation Method 2
An air duct tunnel is formed through the at least one inflatable bladder and extends from the rear surface to the support surface. The tunnel cooperates with the air duct to supply air to a cushion surface.
Data Source
AI summary
A vehicle seat with an inflatable bladder having a rear surface and a support surface opposite the rear surface is provided. The subassembly includes a seat climate control system having an air duct. An air duct tunnel is formed in the inflatable bladder and extends from the rear surface to the support surface. The air duct tunnel cooperates with the air duct to supply climate control air to a seating surface.