Product heating with soluble container
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Consumer products, such as self-heating beverage cups, face challenges in quickly heating beverages to satisfy impatient users, as existing methods take too long to initiate and complete the heating process.
Innovation Solution
A self-heating container design featuring a granular substance in a soluble bag separated by a frangible membrane from a liquid substance, where the membrane is ruptured to initiate an exothermic reaction, allowing quick and thorough heating of contents, with a fusible material to control temperature and prevent overheating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If a self-heating container uses multiple reactants that mix to produce an exothermic reaction, then heating capability is achieved, but the heating process takes too long to initiate and complete
Solution Approach 1:
The reactants are segmented into separate compartments: a soluble container holding granular reactant material and a liquid reactant separated by a frangible membrane. This segmentation allows for rapid initiation of the exothermic reaction when the membrane is ruptured, while maintaining stability during storage. The granular reactant is contained in a soluble bag that dissolves quickly upon contact with the liquid reactant, enabling fast heating without premature reaction.
Solution Approach 2:
The granular reactant is pre-positioned in the soluble container above the liquid reactant in an upright configuration. The frangible membrane is pre-installed to separate the reactants. When activation occurs, gravity immediately causes the granular reactant to contact the liquid reactant through the dissolving membrane, initiating the exothermic reaction without delay. This preliminary arrangement ensures rapid heating initiation.
2Reliability
If reactants are stored in separate compartments for extended periods, then storage stability is improved, but the device complexity increases
Solution Approach 1:
The soluble container holding the granular reactant is nested within the larger container structure, positioned above the liquid reactant. The frangible membrane嵌套s between these components, creating a compact nested arrangement. This nesting approach maintains storage stability by keeping reactants separated yet ready for rapid mixing, while minimizing overall device complexity through space-efficient design.
Solution Approach 2:
The frangible membrane acts as an intermediary element between the granular reactant in the soluble container and the liquid reactant. It maintains physical separation during storage, ensuring stability, while being designed to rupture easily upon activation. This intermediary component simplifies the overall structure by providing a straightforward separation mechanism that requires minimal additional complexity.
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 enables rapid and consistent heating of food or beverages, allowing for quick activation and extended storage without reactant degradation, ensuring a safe and palatable product is delivered to the consumer.
Implementation Method 1
a granular first substance and a second liquid substance that are adapted to produce an exothermic reaction upon contact with each other
Implementation Method 2
the liquid second substance dissolves the soluble container when the liquid second substance comes into contact with the soluble container
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A self-heating container includes a first substance and a second substance that are adapted to produce an exothermic reaction upon contact with each other, a soluble material between the first substance and the second substance, a frangible membrane physically separating the second substance from the soluble material, and a means for rupturing the frangible membrane.