Inflatable Garment Pneumatic Insulation and Pump
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Solution Overview
Problem
Conventional thermally-insulating materials are bulky, static, and environmentally harmful, failing to adapt to changing environmental conditions and posing health risks due to toxic byproducts and loose fibers.
Innovation Solution
Development of inflatable garments with interconnected air channels and a soft, lightweight air pump system that allows users to adjust insulation by inflating or deflating sections using a compressible and expandable interior material, reducing bulk and weight while minimizing environmental impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If fiber-based or foam-based insulation is used to achieve sufficient thermal insulation, then thermal insulation effectiveness is improved, but the garment becomes bulky and heavy
Solution Approach 1:
The patent uses pneumatic insulation chambers filled with air or other gases to provide thermal insulation. The inflatable chambers create trapped gas volumes that resist heat transfer through conduction and convection, achieving insulation without the bulk and weight of traditional fiber or foam materials.
Solution Approach 2:
The insulation system is made dynamic and adjustable through inflatable chambers that can be inflated or deflated as needed. This allows the user to adjust the level of insulation dynamically, providing warmth when inflated and reducing bulk when deflated, unlike static traditional insulators.
2Temperature
If fiber-based or foam-based insulation is used to achieve sufficient thermal insulation, then thermal insulation effectiveness is improved, but the garment bulk increases
Solution Approach 1:
The patent employs pneumatic chambers that can be inflated to provide insulation only when needed. When deflated, the chambers occupy minimal space, dramatically reducing garment bulk while maintaining the ability to provide full insulation when inflated.
Solution Approach 2:
The insulation bulk is made dynamic through the inflatable/deflatable chamber system. The garment transitions from a compact, low-bulk state when deflated to an expanded, high-insulation state when inflated, allowing the user to adjust bulk according to environmental conditions.
3Temperature
If traditional thermal insulators are used, then insulation is provided, but the amount of insulation cannot be adjusted as environmental conditions or user activity change
Solution Approach 1:
The patent implements a dynamic insulation system with inflatable chambers that can be adjusted in real-time. Users can inflate chambers to increase insulation in cold conditions or deflate them when warmer, providing continuous adaptability to changing environmental conditions and activity levels.
Solution Approach 2:
The insulation system is divided into multiple independent inflatable chambers that can be individually adjusted. This segmentation allows selective insulation of different body regions based on specific thermal needs, enhancing overall adaptability.
4Temperature
If conventional thermal insulators like fiberglass or polyester fiber fill are used, then insulation is provided, but toxic chemicals are emitted and loose fibers pose health risks
Solution Approach 1:
The patent replaces harmful solid insulators with pneumatic insulation chambers filled with inert gases like air. This eliminates the problems of toxic chemical emissions from foams and loose harmful fibers from fiberglass or polyester fills, providing a clean and safe insulation solution.
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 inflatable garment system provides adjustable thermal insulation, reducing bulk and weight while minimizing environmental harm and health risks, allowing users to adapt to changing conditions without the drawbacks of traditional insulators.
Implementation Method 1
a soft, lightweight air pump system that allows users to adjust insulation by inflating or deflating sections using a compressible and expandable interior material
Implementation Method 2
The primary function of any thermal insulator is to reduce heat loss (that is, heat transfer from a heat source to a cold sink). Heat transfer can occur by convection, conduction, and radiation.
Implementation Method 3
Heat loss through convective mixing of gases is caused by the tendency of a gas to form a rotational mixing pattern between a warmer (less dense) region and a cooler (more dense) region. In a convection cycle, warmer gas is constantly being exchanged for cooler gas. One of the primary ways thermal insulators work is by suppressing such convection by trapping or confining a volume of a gas within thermally-insulating material.
Implementation Method 4
Conduction involves heat flow through a material from hot to cold in the form of direct interaction of atoms and molecules.
Data Source
AI summary
An inflatable cold-weather upper-body garment. The garment includes first and second pluralities of interconnected gas flow chambers, each plurality enclosed by gas-impermeable material; a fluid-flow channel connecting the first and second pluralities of gas flow chambers; and a hand-operable air pump in fluid communication with one of the gas flow chambers.