Inflatable Insulation Panel with Reflective Stripes
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Solution Overview
Problem
Conventional insulation methods for items like coolers, refrigerators, and buildings are inadequate in providing effective thermal performance and structural integrity, particularly in retaining gases and maintaining insulation over time.
Innovation Solution
An inflatable or gas-filled insulation panel with an aluminum laminate envelope and internal polymeric films featuring reflective stripes, sealed using heat and pressure to form channels for gas inflation, providing enhanced thermal performance and structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional insulation methods are used, then the structure is simple and easy to manufacture, but thermal resistance and structural integrity are inadequate
Solution Approach 1:
The patent implements nested structures by placing internal films with reflective stripes inside the envelope, and further nesting gas-filled chambers within the panel structure. This nested arrangement enhances structural integrity and thermal resistance without requiring a completely complex external design, as each nested layer provides additional functional benefits.
Solution Approach 2:
The patent uses composite materials by combining polymeric films with aluminum reflective stripes, sealing these within an envelope structure that contains gas chambers. This composite approach integrates multiple material properties (flexibility of polymers, reflectivity of aluminum, insulation of gas) to achieve superior thermal resistance and structural integrity compared to conventional single-material insulation methods.
2Reliability
If conventional insulation methods are used, then the manufacturing process is simple, but thermal performance is inadequate
Solution Approach 1:
The patent segments the insulation panel into distinct functional layers: outer envelope, internal films with reflective stripes, and gas-filled chambers. This segmentation allows each component to be manufactured and tested separately, then assembled into the final high-performance structure, making the complex thermal performance achievable through modular manufacturing processes.
Solution Approach 2:
The patent utilizes parameter changes by controlling the gas pressure and composition within the sealed chambers, and by adjusting the thickness and reflectivity of the aluminum stripes on the internal films. These parameter adjustments optimize thermal performance while maintaining manufacturing feasibility through controlled variation of key properties during the assembly process.
3Reliability
If gas is retained within the panel, then insulation efficiency increases, but maintaining gas retention over time becomes challenging
Solution Approach 1:
The patent ensures continuous gas retention by implementing hermetic sealing of the envelope and internal films, preventing gas leakage over time. The sealed structure maintains the gas-filled chambers in a continuous state of insulation effectiveness, ensuring that the useful insulation action continues without degradation throughout the product's service life.
Solution Approach 2:
The patent applies beforehand cushioning by incorporating multiple sealed barriers (envelope and internal films) that prevent gas escape before it can compromise insulation efficiency. This redundant sealing approach ensures that even if one seal degrades, the gas retention is maintained by the remaining seals, extending the duration of effective insulation.
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 solution achieves improved thermal resistance and structural integrity by retaining gases within the panel, offering increased insulation efficiency and durability, as demonstrated by the addition of thermal resistance values in both summer and winter conditions.
Implementation Method 1
at least one of the sheets has an outer reflective surface... the outer reflective surface(s) and reflective stripes are composed of an aluminum alloy
Implementation Method 2
Seals are formed along the gaps or areas between the reflective stripes on the films by application of heat and pressure
Implementation Method 3
Seals are formed along the gaps or areas between the reflective stripes on the films by application of heat and pressure
Implementation Method 4
a valve disposed at an end of the panel is in fluid communication with the channel for the injection of a fluid, such as an inert gas or air, to inflate panel
Data Source
AI summary
An inflatable or gas-filled insulation panel comprises an envelope having two outer sheets sealed together along edges of the sheets and at least one of the sheets has an outer reflective surface. The envelope encases a plurality of internal films that include a polymeric film having a plurality of reflective stripes disposed thereon and spaced apart on the films. Seals are formed along the gaps or areas between the reflective stripes on the films by application of heat and pressure, which causes the films to seal to each other and the outer sheets at spaced apart intervals. A channel is formed between the outer edges of the films and the outer sheets, and a valve, disposed at an end of the panel, is in fluid communication with the channel for the injection of a fluid, such as an inert gas or air, to inflate panel.