Insulating device backpack
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Solution Overview
Problem
Conventional coolers lack an effective, portable, and waterproof solution for maintaining contents at desired temperatures, especially in non-rigid designs that prioritize portability and mobility.
Innovation Solution
A non-rigid, portable insulating device with a waterproof closure, an outer shell, an inner liner, and a freely floating insulating layer, designed to maintain temperature extremes by using materials like TPU-coated nylon and NBR/PVC foam, ensuring water resistance and structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional coolers are designed to be non-rigid and portable, then ease of transport is improved, but water resistance and structural integrity deteriorate
Solution Approach 1:
The patent implements a nested structure with an inner waterproof liner containing the contents, surrounded by an insulating layer, which is itself enclosed within an outer shell. This multi-layer nested configuration allows the cooler to maintain flexibility and portability while the inner liner provides waterproof protection and the complete structure maintains structural integrity during transport.
Solution Approach 2:
The patent employs composite material construction combining different materials for specific functions: the inner liner uses waterproof materials (such as TPU-coated nylon or PVC), the insulating layer uses thermal insulation materials (such as foam), and the outer shell uses durable flexible materials. This composite approach enables the cooler to achieve both portability and water resistance simultaneously.
2Ease of operation
If conventional coolers lack effective insulation, then portability is improved, but temperature maintenance deteriorates
Solution Approach 1:
The insulating layer is nested between the inner waterproof liner and the outer shell, creating a thermal barrier that surrounds the contents. This nested insulation configuration maintains temperature effectiveness while preserving the flexible, portable design of the cooler.
Solution Approach 2:
The patent applies insulation specifically in the regions where thermal protection is most needed, with the insulating layer positioned between the inner liner and outer shell. This localized quality approach ensures effective temperature maintenance without adding unnecessary weight or reducing portability.
3Ease of operation
If conventional coolers lack proper closure, then ease of access is improved, but waterproofing and temperature maintenance deteriorate
Solution Approach 1:
The closure mechanism is integrated into the nested structure, sealing the aperture through which access to contents is provided. The closure system works in conjunction with the inner waterproof liner to maintain both accessibility and waterproofing, allowing users to open the closure for access while the liner prevents water ingress.
4Ease of operation
If conventional coolers are inverted, then portability is maintained, but leakage occurs due to lack of waterproofing
Solution Approach 1:
The nested configuration with the inner waterproof liner provides a protective barrier that prevents leakage even when the cooler is inverted. The liner is sealed within the structure, and the closure mechanism seals the aperture, ensuring that contents cannot leak regardless of orientation, thus maintaining portability without the harmful effect of leakage.
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 effectively keeps contents cool or warm for extended periods, withstands inversion tests, and maintains water resistance, providing a portable and efficient cooling solution.
Implementation Method 1
an insulating layer floating freely in between the outer shell and the inner liner
Implementation Method 2
using materials like TPU-coated nylon and NBR/PVC foam, ensuring water resistance and structural integrity
Data Source
AI summary
An insulating device can include an aperture having a waterproof closure which allows access to the chamber within the insulating device. The closure can help prevent any fluid leakage into and out of the insulating device if the insulating device is overturned or in any configuration other than upright. The closure may also prevent any fluid from permeating into the chamber if the insulating device is exposed to precipitation, other fluid, or submersed under water. The insulating device may include a back panel support structure and shoulder straps allowing the device to be worn as a backpack. This construction results in an insulating chamber that is substantially impervious to water and other liquids when the closure is sealed.