Floor heating system including membranes that are configured to be joined together to house a heating cable, and flooring underlayment including such membranes
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Solution Overview
Problem
Current floor heating systems require a second layer of thinset to encapsulate the heating cable and form a flat surface for tile installation, which is time-consuming, costly, and labor-intensive, and also heavy, with challenges in repairing and replacing components.
Innovation Solution
A dual-membrane system comprising a base membrane and a cover membrane, where the cover membrane replaces the second layer of thinset to encapsulate the heating cable and provide a flat surface for tile installation, allowing for snap-fit assembly and reducing weight, installation time, and repair complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a second layer of thinset is used to encapsulate the heating cable and form a flat surface for tile installation, then the heating cable is properly encapsulated and a flat surface is formed, but the installation time, cost, and labor intensity increase significantly
Solution Approach 1:
The patent extracts the encapsulation function from the traditional thinset material and transfers it to a dedicated membrane structure. The membrane is pre-formed with channels that guide and encapsulate the heating cable, eliminating the need for time-consuming thinset application while maintaining proper cable encapsulation and flat surface formation for tile installation.
Solution Approach 2:
The membrane is prepared in advance with pre-formed channels and cavities that are designed to receive and encapsulate the heating cable. This preliminary structuring allows the heating cable to be installed directly into the pre-configured pathways without requiring subsequent encapsulation steps with thinset, significantly reducing installation time while ensuring proper cable protection.
2Stability of the object's composition
If a second layer of thinset is used to form a flat surface for tile installation, then a stable base is provided, but the system weight increases by approximately 30%
Solution Approach 1:
The patent replaces the heavy thinset material with a lightweight membrane film that provides the necessary structural support. The membrane's thin-film structure maintains the stability required for tile installation while dramatically reducing the overall system weight by approximately 30%, making the flooring system easier to handle and install.
3Reliability
If a second layer of thinset is used for encapsulation and surface formation, then the heating cable is secured, but the complexity of repairs and component replacement increases
Solution Approach 1:
The patent segments the flooring system into distinct modular components: the membrane with integrated heating cable channels, the heating cable itself, and the tile layer. This segmentation allows the heating cable and membrane to be independently accessed and replaced without disturbing the entire flooring system, significantly simplifying repair procedures compared to traditional thinset-based systems where all layers must be broken up for access.
4Reliability
If a second layer of thinset is used, then the heating cable is encapsulated, but the installation cost and labor intensity increase
Solution Approach 1:
The patent merges the encapsulation function, cable guidance function, and flat surface formation function into a single integrated membrane component. This consolidation eliminates the need for separate thinset application steps, reducing both material costs and labor requirements while maintaining reliable heating cable encapsulation and providing a ready-to-install flat surface for tiles.
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 dual-membrane system significantly reduces installation time, cost, and effort by eliminating the need for a second layer of thinset, decreases the overall system weight by approximately 30%, and simplifies repairs and tile replacement processes.
Implementation Method 1
The heating cable generates heat when electrical current is passed through the heating cable
Implementation Method 2
The plurality of studs on the cover membrane are configured to be secured within the pockets in the plurality of studs on the base membrane using a snap fit
Data Source
AI summary
A flooring underlayment includes a base membrane and a cover membrane. The base membrane is configured to be installed between a subfloor and floor tiles to allow movement of the floor tiles relative to the subfloor. The base membrane includes a base layer and studs projecting from the base layer. The studs have free ends that define pockets therein. The cover membrane is configured to be coupled to the base membrane to form a flat surface for supporting the floor tiles. The cover membrane includes a cover layer and studs projecting from the cover layer. The studs on the cover membrane are configured to fit within the pockets in the base membrane to couple the cover membrane to the base membrane.