Self-Heating Fluid Connector With Phase-Change Heat Distribution

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing self-heating fluid containers face issues with uneven heat distribution due to inadequate mixing of liquid and solid reagents, leading to localized overheating and underheating, and require external power sources, making them non-portable.

Innovation Solution

A self-heating fluid connector with an exothermic phase change material and a manually operable initiator, where fluid conduits or channels are in thermal communication with the material, allowing controlled heat transfer to fluids as they flow, and optionally includes temperature control mechanisms and insulation for efficient heating.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If solid reagent and liquid reagent are used for exothermic reaction, then heating function is achieved, but uneven heat distribution and localized overheating occur due to inadequate mixing

Engineering Contradiction:
Improveheat distributionVSAvoidheating uniformity
Core Design Contradiction:
TemperatureVSReliability

Solution Approach 1:

The patent uses phase change material that transitions from solid to liquid state during the exothermic reaction. This phase transition enables the reagent to automatically mix with the liquid reagent, ensuring uniform heat distribution throughout the fluid without localized overheating.

Inventive Principle:
Principle #36Phase transitions

Solution Approach 2:

The invention changes the physical state parameter of the reagent from solid to liquid through phase transition. This parameter change facilitates automatic mixing and ensures uniform heat distribution, resolving the contradiction between achieving heating function and maintaining heating uniformity.

Inventive Principle:
Principle #35Parameter changes

2Ease of operation

If external power source is used for heating, then controlled heating is achieved, but portability is reduced

Engineering Contradiction:
ImproveportabilityVSAvoidpower source requirement
Core Design Contradiction:
Ease of operationVSUse of energy by moving object

Solution Approach 1:

The patent employs a self-heating mechanism where the container heats itself through an exothermic chemical reaction between reagents stored within the container. This eliminates the need for external power sources, making the device portable and easy to operate without electrical infrastructure.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The invention extracts the heating function from external power sources and relocates it into the container itself through integrated exothermic reagents. This extraction enables portability while maintaining controlled heating capability through the chemical reaction system.

Inventive Principle:
Principle #2Taking out (Extraction)

3Ease of operation

If exothermic chemical reaction is used for heating, then portability is improved, but control over heat generation becomes difficult

Engineering Contradiction:
ImproveportabilityVSAvoidheat control mechanism
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent utilizes phase change material that transitions from solid to liquid state to initiate and control the exothermic reaction. This phase transition provides a natural control mechanism for heat generation, making the device portable while maintaining controllable heating through the physical state change of the reagent.

Inventive Principle:
Principle #36Phase transitions

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 provides controlled, efficient, and portable heating of fluids by ensuring even heat distribution and reducing the need for external power, addressing the limitations of existing technologies.

Implementation Method 1

an exothermic phase change material within the housing; one or more fluid conduits extending between the first and second ends and being in thermal communication with the exothermic phase change material

Methodology Applied
Scientific EffectExothermic phase change: Phase Change

Implementation Method 2

heat is transferred to fluid caused to flow through the fluid conduits

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Data Source

PatentUS8319154B2Self-heating fluid container
Publication Date: 2012.11.27 YOOMI LTD
  • US8319154B2 patent drawing
  • US8319154B2 patent drawing
  • US8319154B2 patent drawing

AI summary

A self-heating fluid connector comprising a housing in which is provided exothermic phase change material and one or more fluid channels extending from one end of the housing to the other, in thermal communication with the exothermic phase change material, whereby fluid passing through the fluid conduits is heated by the exothermic phase change material. The self-heating connector is particularly suited for use with a fluid container and a fluid delivery port such as a baby's bottle and feeding teat.