Oxygen Breathing Hose Airflow and Cooling for Prolonged Use
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Solution Overview
Problem
Conventional oxygen breathing apparatuses are cumbersome, expensive, and uncomfortable due to increased temperature and humidity during prolonged use, limiting their usability in emergency situations.
Innovation Solution
An oxygen breathing apparatus with a hose, fan, exhalation bag, oxygen supply device, and controller that adjusts pressure and includes a cooling unit to manage temperature and humidity, featuring a thermally conductive cooling member and phase change material to maintain comfortable breathing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional oxygen breathing apparatuses are used, then oxygen supply function is provided, but the heavy weight of the oxygen tank reduces mobility and portability
Solution Approach 1:
The patent extracts the heavy oxygen tank from the system and replaces it with a lightweight oxygen generation device that produces oxygen on-demand from ambient air. This extraction of the heavy component resolves the contradiction by maintaining oxygen supply functionality while dramatically reducing weight and improving portability.
Solution Approach 2:
The apparatus generates its own oxygen supply through a chemical reaction between potassium superoxide and carbon dioxide from the user's breath, eliminating the need for external oxygen tanks. This self-service mechanism provides continuous oxygen supply without the weight penalty of stored oxygen containers.
2Reliability
If conventional oxygen breathing apparatuses are used, then oxygen supply function is provided, but the need to manipulate the valve of the oxygen tank reduces ease of operation
Solution Approach 1:
The system automatically regulates oxygen flow based on the user's breathing pattern without requiring manual valve manipulation. The oxygen generation device responds autonomously to the user's respiratory needs, eliminating complex manual operations while maintaining reliable oxygen supply.
Solution Approach 2:
The patent replaces the mechanical valve manipulation system with an automated control mechanism that senses breathing and regulates oxygen flow electronically, thereby eliminating the need for users to manually operate valves while maintaining oxygen supply reliability.
3Weight of moving object
If self-contained oxygen respirators are used to generate oxygen from the wearer's breathing, then portability is improved, but temperature and humidity increase with prolonged wear
Solution Approach 1:
The patent introduces a cooling unit that actively manages the temperature parameter inside the apparatus by applying cooling to the housing and internal components. This parameter control prevents excessive temperature rise during prolonged wear while maintaining the portable design.
Solution Approach 2:
The cooling unit acts as an intermediary between the heat-generating components (oxygen generation device, fan) and the user's face, transferring heat away from the breathing path to maintain comfortable temperature levels during extended use.
4Weight of moving object
If self-contained oxygen respirators are used to generate oxygen from the wearer's breathing, then portability is improved, but the wearer's discomfort index increases
Solution Approach 1:
The cooling unit serves as an intermediary that actively manages the thermal environment between the oxygen generation components and the user's face, reducing thermal discomfort during prolonged wear while preserving portability.
Solution Approach 2:
The system actively controls temperature and humidity parameters within the breathing path using cooling and ventilation mechanisms, thereby maintaining comfortable wearing conditions while keeping the apparatus portable and lightweight.
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 apparatus provides a comfortable and efficient breathing experience by circulating air, maintaining optimal temperature and humidity levels, enhancing usability and safety in emergency situations.
Implementation Method 1
a cooling member connected at one side to the exhalation bag and another side to the other end portion of the hose, and configured to provide a passage through which air supplied from the exhalation bag flows, the cooling member being formed from a thermally conductive material
Implementation Method 2
featuring a thermally conductive cooling member and phase change material to maintain comfortable breathing
Data Source
AI summary
The present disclosure provides an oxygen breathing apparatus. The present disclosure provides an oxygen breathing apparatus including a hose including one end portion, another end portion opposite the one end portion, and a connector provided between the one end portion and the other end portion and configured to allow a mouthpiece to be mounted thereon; a fan connected to the one end portion of the hose; an exhalation bag connected at one side to the fan, and fluidly connected at another side to the other end portion of the hose; an oxygen supply device configured to store oxygen, and connected to the exhalation bag; and a controller configured to control driving of the fan so that the fan forms a unidirectional air flow within the hose.