Hybrid mattress
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Solution Overview
Problem
Existing mattresses often lack efficient support and breathability, particularly around the edges, and do not effectively manage heat buildup.
Innovation Solution
A hybrid mattress design incorporating a coiled spring perimeter, air chambers, and foam layers, with varying spring rates and configurations, to provide edge support and improve breathability and heat dissipation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a mattress uses traditional foam or spring construction, then it provides basic support, but it lacks effective edge support and breathability
Solution Approach 1:
The mattress is divided into distinct functional zones: a coiled spring perimeter layer for edge support, a foam core layer for body support, and a breathable membrane layer for heat management. Each layer is independently optimized for its specific function, allowing the mattress to provide superior edge support without requiring complete structural redesign.
Solution Approach 2:
Different regions of the mattress are assigned different material properties: the perimeter uses high-resilience coiled springs for edge support, while the central sleeping surface uses softer foam for comfort. The breathable membrane is selectively positioned in areas requiring heat dissipation, creating local optimization of support and breathability characteristics.
2Reliability
If a mattress uses dense foam material, then it provides body support, but it reduces breathability and increases heat buildup
Solution Approach 1:
The mattress combines foam material with a breathable membrane and coiled spring perimeter to create a composite structure. The foam provides body support while the breathable membrane with its permeable structure allows air circulation and heat dissipation. The coiled spring perimeter adds structural support and creates additional airflow channels, collectively solving the heat buildup issue without compromising support.
Solution Approach 2:
The breathable membrane incorporates a porous or perforated structure that allows air to pass through while maintaining the integrity of the support layer. This porous design enables heat and moisture to escape from the sleeping surface, preventing heat buildup while the foam core continues to provide necessary body support.
3Ease of manufacture
If a mattress uses lower-quality materials to reduce cost, then it decreases manufacturing cost, but it compromises support quality and breathability
Solution Approach 1:
The mattress structure is segmented into functional layers where each layer can be manufactured independently using cost-effective materials and processes. The coiled spring perimeter, foam core, and breathable membrane are separate components that can be produced through established manufacturing techniques, avoiding the need for expensive proprietary materials while maintaining overall support quality.
Solution Approach 2:
The breathable membrane acts as an intermediary layer between the foam core and the sleeping surface. This thin membrane provides the breathability function without requiring thick, expensive materials, as it simply needs to allow air passage. The coiled spring perimeter serves as an intermediary support structure that enhances edge support without requiring a complete replacement of the foam core.
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 hybrid mattress design offers enhanced support and breathability, allowing for improved comfort and heat management through the combination of coiled springs and foam layers, while optimizing material quality and reducing the need for lower-quality components.
Implementation Method 1
A coiled spring perimeter includes a first set of coiled springs surrounding the air chamber perimeter
Implementation Method 2
A coiled spring perimeter includes a first set of coiled springs surrounding the air chamber perimeter
Implementation Method 3
An air chamber has an air chamber perimeter
Implementation Method 4
The topper portion includes a layer of foam
Data Source
AI summary
A mattress has a mattress top, a mattress bottom, and a mattress perimeter. The mattress included the following features. An air chamber has an air chamber perimeter. A coiled spring perimeter includes a first set of coiled springs surrounding the air chamber perimeter. A topper portion has a support layer between the air chamber and the mattress top.