Segmented Liquid Pod Comfort Layer to Reduce Waterbed Motion Transfer
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Solution Overview
Problem
Conventional waterbeds require a large volume of water, which can cause damage if the bladder breaks, and they suffer from motion transfer issues, making them undesirable for some users.
Innovation Solution
A comfort layer for seating or bedding products featuring hydrogel pods enclosed in fabric pockets, which can be filled with liquids or phase change materials, providing a similar feel to a waterbed without the need for excessive liquid and minimizing motion transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a conventional waterbed is used to provide a cooling effect, then the cooling sensation is achieved, but the volume of water required is large and motion transfer occurs
Solution Approach 1:
The patent divides the waterbed system into multiple discrete gel pods distributed throughout the comfort layer. Each pod is a separate containment unit filled with gel, replacing the single large water bladder. This segmentation achieves the cooling effect through distributed thermal mass while eliminating the need for large volumes of water and reducing motion transfer between users.
2Temperature
If a conventional waterbed is used to provide a cooling effect, then the cooling sensation is achieved, but motion transfer between users occurs
Solution Approach 1:
By segmenting the waterbed into individual gel pods distributed throughout the comfort layer, the patent isolates motion in each pod. When one user moves, the motion is contained within their local area and does not transfer across the entire bed as it would in a conventional waterbed with a single large bladder.
3Temperature
If a large volume of water is used in a waterbed, then the cooling effect is achieved, but damage risk increases if the bladder breaks
Solution Approach 1:
The patent replaces the single large water bladder with multiple small gel pods distributed throughout the comfort layer. If one pod breaks or leaks, only a small amount of gel is released, eliminating the catastrophic damage risk associated with large waterbed bladders while maintaining the cooling effect through the collective thermal mass of all pods.
Solution Approach 2:
The gel pods are designed as small, contained units that can be individually replaced if needed. This approach treats each pod as a discrete, replaceable component rather than part of a large, irreplaceable waterbed system, reducing the harm from potential failures.
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
The comfort layer offers a cooling effect and reduced motion transfer, enhancing user comfort while eliminating the risks associated with large water volumes and motion transfer issues of traditional waterbeds.
Implementation Method 1
each of the liquid pods comprises a pouch surrounding a plurality of hydrogel beads
Implementation Method 2
Each pouch may be at least partially filled with a liquid or a hydrogel or a solid such as a phase change material
Data Source
AI summary
A comfort layer for a bedding or seating product has liquid pods sandwiched between plies of fabric. The plies of fabric are joined with seams thereby creating pockets, at least one liquid pod being inside each pocket. Each seam joining opposed plies of fabric around each of the liquid pods of the comfort layer may be segmented or solid, depending upon the fabric and type of seam.