Hydration Reservoir Insulation and Baffle Design for Cold Weather
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Solution Overview
Problem
Current fluid storage systems for outdoor activities, such as hiking and mountain climbing, face issues with freezing liquids in cold environments, leading to obstruction of fluid flow through tubes and potential complete freezing of the fluid within the reservoir.
Innovation Solution
A hydration system with a fluid reservoir and tube configuration that includes insulation layers, heat transfer capabilities, and baffles to maintain fluid flow and prevent freezing, utilizing external and internal tube portions and heat transfer from the user's body to the fluid reservoir.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If fluid is stored in a reservoir with a tube for delivery in cold environments, then the system provides convenient fluid access, but the fluid freezes and obstructs flow through the tube
Solution Approach 1:
An insulation layer is introduced as an intermediary between the cold external environment and the fluid reservoir, preventing direct heat transfer that would cause freezing. This mediator protects the fluid while maintaining convenient access through the tube system.
Solution Approach 2:
The system changes the thermal parameters of the reservoir by adding insulation, thereby altering the temperature conditions within the reservoir to prevent freezing while maintaining operational convenience.
2Duration of action of moving object
If the reservoir is exposed to cold environment for extended periods, then the system enables outdoor activities like mountain climbing, but the fluid within the reservoir completely freezes
Solution Approach 1:
The insulation layer acts as a thermal intermediary that extends the duration the system can operate in cold environments by preventing the fluid temperature from dropping to freezing point, enabling extended outdoor activities.
Solution Approach 2:
The insulation provides more than sufficient thermal protection to prevent freezing during extended exposure, ensuring the fluid remains liquid even beyond the minimum required protection period.
3Reliability
If insulation is added to prevent freezing, then fluid delivery is maintained, but the device complexity increases
Solution Approach 1:
The insulation is implemented as a flexible layer that can be integrated into the reservoir structure without requiring complex rigid components, maintaining simplicity while ensuring reliable fluid delivery in cold conditions.
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 system effectively prevents freezing of fluids within the reservoir and tube, ensuring continuous fluid delivery in cold conditions by using insulation and heat transfer mechanisms, allowing for extended use without fluid obstruction.
Implementation Method 1
At least one insulation layer can be disposed about the exterior of the first wall of the fluid reservoir
Implementation Method 2
A second wall of the fluid reservoir can be configured to transfer heat to or from the internal volume
Data Source
AI summary
An apparatus and method for storing and delivering fluid to a person comprises, in at least one specific embodiment, a fluid reservoir having an internal volume therein with an opening disposed through a first wall or a second wall of the fluid reservoir and located toward a first end of the fluid reservoir. A first portion of a tube can be exterior to the fluid reservoir and a second portion of the tube can be disposed through the opening and within the internal volume. At least one insulation layer can be disposed about the exterior of the first wall of the fluid reservoir. The second wall of the fluid reservoir can be configured for transferring heat from or to the internal volume or from the person. At least one baffle is disposed within the internal volume and connected to the first wall and the second wall of the fluid reservoir.