Insulation compaction device and method for forming an insulated structure for an appliance
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Solution Overview
Problem
Existing insulating structures for appliances lack an efficient method to compact insulating materials within their internal cavities to achieve desired thermal and acoustical insulation densities, often requiring separate insulating panels and complex installation processes.
Innovation Solution
The insulation compaction device employs a piston chamber and pump mechanism to apply simultaneous positive and negative compressive forces, adjusting the volume and pressure within the cavity to achieve the desired insulation density of insulating media, eliminating the need for separate panels and simplifying the installation process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If insulating materials are installed within appliance cavities using conventional methods, then the insulating structure can be formed, but the insulating materials cannot achieve the desired insulation density without separate compaction panels and complex installation processes
Solution Approach 1:
The patent combines the compaction mechanism directly into the installation device, merging the functions of material placement and density compaction into a single integrated system. This eliminates the need for separate compaction panels and multiple installation steps, resolving the contradiction between achieving desired insulation density and maintaining simple installation processes
Solution Approach 2:
The patent employs pneumatic or hydraulic mechanisms within the installation device to apply controlled compressive forces during material installation. This enables precise control of insulation density through fluid-powered compression, achieving manufacturing precision without requiring complex mechanical compaction panels or multi-step processes
2Reliability
If insulating materials are compacted to achieve desired insulation density, then thermal and acoustical performance is enhanced, but the installation process becomes more complex requiring separate panels and procedures
Solution Approach 1:
By integrating the compaction function directly into the installation device, the patent ensures that thermal and acoustical insulation performance is achieved during the single installation operation. The merging of installation and compaction functions eliminates the need for separate procedures, maintaining ease of operation while ensuring reliable insulation performance
Solution Approach 2:
The installation device performs preliminary compaction action during the material installation phase itself, rather than requiring subsequent separate compaction steps. This preliminary action ensures the insulating materials achieve the desired density and performance characteristics immediately upon installation, simplifying the overall operation while guaranteeing reliability
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 method allows for efficient compaction of insulating materials to achieve the desired insulation density within the appliance's internal cavity, enhancing thermal and acoustical performance while reducing manufacturing complexity and material costs.
Implementation Method 1
The pump mechanism is configured to remove gas from the piston chamber to create a low pressure environment
Implementation Method 2
The piston is configured to apply a compressive force to the insulating media
Data Source
Figure 1
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AI summary
A method for forming an insulative member includes forming a wrapper for an insulating structure, the wrapper defining an insulating cavity. A predetermined amount of an insulating media is disposed into the insulating cavity, the insulating media having a pre-compaction density. The insulating media is modified to define a desired insulation density by applying a positive compression to and generating a negative compression within the insulating media during a simultaneous compression phase. At least the simultaneous compression phase is operated until the insulating media reaches a desired insulation density, the desired insulation density being greater than the pre-compaction density. The insulating cavity is sealed to maintain the desired insulation density of the insulation media within the insulating cavity to form the insulating structure.