Insulation compaction device and method for forming an insulated structure for an appliance
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Solution Overview
Problem
Existing methods for installing insulation in appliances are inefficient in achieving a desired insulation density and often require separate insulative panels or components, which can complicate the manufacturing process.
Innovation Solution
An insulation compaction device that uses a piston and pump mechanism to create a selected cavity volume and pressure within an insulating structure, allowing for simultaneous positive and negative compressive forces to achieve a desired insulation density by modifying the insulating media within the cavity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If separate insulative panels or components are used, then insulation installation is simplified, but manufacturing process complexity increases
Solution Approach 1:
The patent combines the insulating media directly into the appliance structure by injecting it into a cavity defined by the appliance walls, eliminating the need for separate insulative panels or components. This merging approach simplifies the overall manufacturing process by integrating insulation installation into the appliance assembly process itself.
2Manufacturing precision
If insulating media is compressed to higher density, then insulation performance improves, but manufacturing process complexity increases
Solution Approach 1:
The patent uses a pump mechanism to inject insulating media into the cavity under controlled pressure, achieving the desired insulation density through fluid dynamics rather than mechanical compaction. This pneumatic approach simplifies the manufacturing process compared to traditional mechanical compression methods while maintaining precise control over insulation density.
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 device efficiently achieves a desired insulation density by compressing insulating media to a higher density than its pre-compaction state, eliminating the need for separate insulative panels and simplifying the manufacturing process by integrating the insulation directly into the appliance structure.
Implementation Method 1
The operable piston operates to define a selected cavity volume of the insulating cavity and a selected insulation density of the insulating media within the insulating cavity
Implementation Method 2
Selective operation of the pump mechanism places the valve in an active state to extract gas from the insulating cavity and define a cavity pressure of the insulating cavity. The cavity pressure is less than an equalized pressure.
Data Source
AI summary
An insulation compaction device includes an insulating structure of an appliance and has an insulating media disposed within an insulating cavity. An operable piston selectively engages the insulating structure and operates to define a selected cavity volume of the insulating cavity and a selected insulation density of the insulating media. A valve is attached to the insulating structure and in a passive state releases gas from the insulating cavity to the exterior during operation of the operable piston. Selective operation of a pump mechanism places the valve in an active state to extract gas from the insulating cavity and define a cavity pressure of the insulating cavity that is less than an equalized pressure. The operable piston and the pump mechanism are at least one of sequentially and simultaneously operable to define a selected piston chamber environment defined by the selected cavity volume and the cavity pressure.