Non-Metallic Humidifier with External Water Level Sensor

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Solution Overview

Problem

Traditional respiratory humidification systems rely on metallic heating elements, which pose safety risks, increase manufacturing costs, and require complex multi-step processes, while also necessitating frequent replacement of expensive components and manual water handling.

Innovation Solution

A non-metallic humidification component using electromagnetic radiation for heat transfer, eliminating the need for metallic components and simplifying the design, with a fluted heater wire to manage condensation and external sensors for automatic water level maintenance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Power

If metallic heating elements are used in humidification systems, then heating efficiency is improved, but safety risks and manufacturing costs increase

Engineering Contradiction:

Improveheating efficiencyVSAvoidsafety risks

Core Design Contradiction:

PowerVSObject-affected harmful factors

Solution Approach 1:

The patent removes metallic heating elements from the humidification chamber entirely, extracting the harmful metallic component while maintaining heating function through alternative means (electromagnetic radiation heating)

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The patent introduces an intermediary heating mechanism using electromagnetic radiation (microwave or infrared) that heats water without direct metallic contact, eliminating safety risks while maintaining heating efficiency

Inventive Principle:

Principle #24Intermediary (Mediator)

2Power

If metallic heating elements are used, then heating performance is maintained, but manufacturing costs and process complexity increase

Engineering Contradiction:

Improveheating performanceVSAvoidmanufacturing costs

Core Design Contradiction:

PowerVSEase of manufacture

Solution Approach 1:

The patent eliminates metallic components from the humidification chamber, simplifying manufacturing by removing expensive materials and complex assembly steps required for metallic heating elements

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The patent employs a disposable humidification chamber design that can be manufactured inexpensively without metallic components, reducing overall system cost even if the chamber is single-use

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

3Temperature

If traditional humidification components are used, then water heating is achieved, but device complexity and maintenance requirements increase

Engineering Contradiction:

Improvewater heatingVSAvoidcomponent complexity

Core Design Contradiction:

TemperatureVSDevice complexity

Solution Approach 1:

The patent integrates the heating function directly into the humidification chamber design using electromagnetic radiation, merging multiple functions into a single simplified component structure

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The patent employs automatic water level sensors and control systems that self-regulate water addition, eliminating the need for manual intervention and reducing maintenance complexity

Inventive Principle:

Principle #25Self-service

4Device complexity

If manual water handling is required, then system simplicity is maintained, but operational efficiency and labor time increase

Engineering Contradiction:

Improvesystem simplicityVSAvoidoperational efficiency

Core Design Contradiction:

Device complexityVSProductivity

Solution Approach 1:

The patent incorporates water level sensors that provide feedback to the control system, enabling automatic detection of water levels and triggering appropriate water addition actions

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The system automatically monitors and maintains water levels without manual intervention, with sensors and control mechanisms working together to self-regulate water addition based on actual water level conditions

Inventive Principle:

Principle #25Self-service

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 a safer, cost-effective, and more efficient humidification system with reduced manufacturing complexity, automatic water level management, and effective condensation removal, enhancing patient care and operational efficiency.

Implementation Method 1

a heating element configured for converting received electrical energy to electromagnetic radiation, wherein the electromagnetic radiation is transferred to the water volume, thereby heating the water volume

Methodology Applied

Scientific EffectElectromagnetic radiation: Electromagnetic Induction

Implementation Method 2

a fluted heater wire to manage condensation

Methodology Applied

Scientific EffectCapillary action: Capillary Action

Implementation Method 3

effective condensation removal

Methodology Applied

Scientific EffectEvaporation: Evaporation

Data Source

PatentUS9212673B2Maintaining a water level in a humidification component

Publication Date: 2015.12.15 SUNMED GROUP HOLDINGS LLC

AI summary

A device for maintaining a water level in a respiratory humidification system, said device comprising: at least one sensor positioned external to a humidification component, the at least one sensor configured for sensing water related information in the humidification component and providing the water related information to a water control module, the water related information comprising data configured for being used to control an operation of the water control module.