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 while being easy to carry and resistant to liquid penetration.
Innovation Solution
A non-rigid insulating device with a waterproof closure, an outer shell, an inner liner, and a freely floating insulating layer, designed to keep contents cool or warm for extended periods, featuring a waterproof zipper assembly and reinforced construction for mobility and durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional coolers are made rigid to maintain structural integrity and insulation, then temperature maintenance is improved, but portability and ease of carrying deteriorate
Solution Approach 1:
The patent employs a flexible outer shell made of durable, water-resistant material that can be folded or compressed for easy transport. This flexible shell maintains structural integrity during use while allowing the cooler to be collapsed into a compact form for carrying, resolving the contradiction between rigidity for insulation and flexibility for portability.
Solution Approach 2:
The cooler is divided into modular components including a removable inner liner, separable lid, and foldable insulation layers. This segmentation allows users to disassemble parts for easier storage and transport while maintaining full insulation functionality when assembled, addressing both temperature maintenance and portability requirements.
2Ease of operation
If conventional coolers use standard closures, then ease of operation is improved, but waterproofing and liquid penetration resistance deteriorate
Solution Approach 1:
The closure system combines multiple materials and mechanisms including a waterproof zipper with coated teeth, sealed flaps made of water-resistant fabric, and gasket materials. This composite approach maintains ease of opening and closing while ensuring complete waterproofing, preventing liquid penetration even when the closure is frequently operated.
Solution Approach 2:
The patent merges multiple closure functions into a single integrated system where the zipper, flap, and seal work together simultaneously. The zipper provides primary closure, the flap adds a secondary waterproof barrier, and the gasket ensures liquid-tight sealing, combining ease of operation with reliable waterproofing in one unified closure mechanism.
3Manufacturing precision
If conventional coolers use fixed insulation layers, then manufacturing precision is improved, but adaptability to different configurations deteriorates
Solution Approach 1:
The insulation layers are designed to be dynamic rather than fixed, allowing them to shift, compress, or expand based on the contents and configuration of the cooler. The insulation material is contained in flexible pockets or channels that guide its positioning without requiring precise fixed installation, enabling adaptability to different loading scenarios while maintaining manufacturing simplicity.
Solution Approach 2:
The insulation system allows for parameter changes in density, thickness, and positioning based on operational needs. Users can compress insulation layers to fit smaller spaces or expand them for maximum insulation, and the material properties can be adjusted during manufacturing to provide different levels of insulation in different regions, achieving both precision and versatility.
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 maintains temperature and prevents liquid penetration, ensuring contents remain cool or warm for an extended duration while being portable and resistant to inversion and impact.
Implementation Method 1
an insulating layer floating freely in between the outer shell and the inner liner
Implementation Method 2
a waterproof closure... featuring a waterproof zipper assembly
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.