Trapezoidal Insulation Modules for Cantilevered System Floor Retrofit

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Solution Overview

Problem

Existing methods for post-insulating cantilevered system floors, such as ribbed or PS insulation floors, with thermal insulation material in the form of isosceles trapezoidal spaces are inefficient, as insulating foils can tear, leak, and are difficult to apply reliably, especially in limited spaces like crawl spaces, failing to achieve desired insulation results and meet stringent energy-saving requirements.

Innovation Solution

The method involves attaching form-retaining insulating insert modules with a trapezoidal contour to the underside of the system floor, which are designed to fill or partially fill the trapezoidal free spaces, creating closed air-filled chambers with high insulation values, using materials like cured plastic foam with low thermal conductivity, and can be easily cut and fitted to match the floor's dimensions for effective insulation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If insulating foil is applied between the legs of the trapezoidal space, then insulation is provided, but the foil can tear, leak, and is difficult to apply reliably

Engineering Contradiction:
Improveinsulation reliabilityVSAvoidease of applying insulation
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The patent replaces the flexible insulating foil with rigid or semi-rigid insulating insert modules that have a trapezoidal cross-section matching the trapezoidal free space. These modules are inserted between the legs of the trapezoidal space and retained by the geometry of the space, eliminating the need for adhesive or sealing operations while providing reliable, leak-proof insulation.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The patent changes the physical state of the insulation material from flexible foil to rigid/semi-rigid modules with specific geometric parameters (trapezoidal cross-section). This parameter change allows the insulation to maintain its shape and sealing function without requiring additional fastening or sealing operations.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If insulating foil is hung tightly on the existing system floor, then insulation is provided, but the working space is limited and application is difficult

Engineering Contradiction:
Improveinsulation effectivenessVSAvoidcomplexity of insulation application
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces the flexible insulating foil that requires tight hanging and sealing operations with rigid/semi-rigid insulating insert modules. These modules are simply inserted into the trapezoidal free space and retained by the geometry of the space, eliminating the need for adhesive or sealing operations.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The insulating insert modules are self-retaining through the geometric fit with the trapezoidal free space. The modules automatically stay in place without requiring external fastening, sealing, or adhesive operations, making the insulation application self-service and significantly simpler.

Inventive Principle:
Principle #25Self-service

3Reliability

If insulating foil is used to create a closed air-filled chamber, then insulation is provided, but the chamber can leak and lose insulating capacity

Engineering Contradiction:
Improveinsulation performanceVSAvoidleakage
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent replaces the flexible insulating foil that forms the chamber walls with rigid/semi-rigid insulating insert modules. These modules maintain their shape and sealing function inherently, eliminating the risk of tearing, leaking, or losing insulating capacity that plagues foil-based solutions.

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The insulating insert modules are designed with a trapezoidal cross-section that anticipates and prevents potential leakage issues. The geometric fit between the modules and the trapezoidal free space provides built-in sealing and structural support, cushioning against future degradation or failure.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

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 approach provides a simple and reliable method for enhancing insulation, reducing the risk of leakage, and achieving higher insulation values, even in constrained spaces, thereby improving energy efficiency and meeting current insulation standards.

Implementation Method 1

providing plate-shaped insert modules made of insulating material with an insulation value of less than 1.0 W/mK, preferably less than 0.5 or less than 0.1 W/mK, and even more preferably less than 0.07 or 0.05 W/mK

Methodology Applied
Scientific EffectThermal insulation: Thermal Insulation

Data Source

PatentEP4446511A1Method and application module for post-insulating a building with a cantilevered system floor and a post-insulated cantilevered system floor
Publication Date: 2024.10.16 S NOOIJENS BEHEER BV
  • EP4446511A1 patent drawingFigure 1a~1c
  • EP4446511A1 patent drawingFigure 2~4
  • EP4446511A1 patent drawingFigure 3a~3c

AI summary

The present invention relates to a method for post-insulating a cantilevered, already insulated system floor with pre-formed insulation elements on the underside with a trapezoidal free space formed by a top side as a small base, two legs extending from the top side, each with the small base subtending an angle greater than or equal to 90 degrees, each leg terminating in a free end, and an imaginary underside as the large base, the method comprising the step of attaching a multiple insert modules in and/or under the free space, wherein the free space is completely closed off by the insert modules of insulation modules and/or is partially or at least substantially completely filled. The invention further relates to such an insert module and a system floor post-insulated according to the method.